Abstract: [en] an induction heating assembly for a vapour generating device includes an induction coil and a heating compartment arranged to receive an induction heatable cartridge. a first electromagnetic shield layer is arranged outward of the induction coil and a second electromagnetic shield layer is arranged outward of the first electromagnetic shield layer. the first and second electromagnetic shield layers differ in one or both of their electrical conductivity and their magnetic permeability.

[en] 1. an induction heating assembly for a vapour generating device, the induction heating assembly comprising: an induction coil;a heating compartment arranged to receive an induction heatable cartridge;a first electromagnetic shield layer arranged outward of the induction coil; anda second electromagnetic shield layer arranged outward of the first electromagnetic shield layer;wherein the first and second electromagnetic shield layers differ in one or both of electrical conductivity and magnetic permeability.
2. the induction heating assembly according to claim 1, wherein: one of the electromagnetic shield layers comprises a ferrimagnetic, non-electrically conductive material; andthe other of the electromagnetic shield layers comprises an electrically conductive material.
3. the induction heating assembly according to claim 1, wherein: the first electromagnetic shield layer comprises a ferrimagnetic, non-electrically conductive material; andthe second electromagnetic shield layer comprises an electrically conductive material.
4. the induction heating assembly according to claim 1, wherein there is no electrically conductive material between the induction coil and the first electromagnetic shield layer.
5. the induction heating assembly according to claim 1, further comprising: a first insulating layer positioned between the induction coil and the first electromagnetic shield layer, wherein the first insulating layer is substantially non-electrically conductive and has a relative magnetic permeability substantially equal to 1.
6. the induction heating assembly according to claim 5, further comprising: an air passage from an air inlet to the heating compartment, wherein the air passage forms at least part of the first insulating layer.
7. the induction heating assembly according to claim 1, further comprising a housing, wherein the housing comprises the second electromagnetic shield layer.
8. the induction heating assembly according to claim 1, wherein one or both of the first and second electromagnetic shield layers are arranged circumferentially around the induction coil and at both first and second axial ends of the induction coil so as to substantially surround the induction coil.
9. the induction heating assembly according to claim 8, further comprising: an inhalation passage extending between the heating compartment and an air outlet at a first axial end of the induction heating assembly; whereina portion of the inhalation passage extends in a direction substantially perpendicular to an axial direction between the heating compartment and the air outlet; andone or both of the first and second electromagnetic shield layers runs adjacent to said portion of the inhalation passage such that the first axial end of the induction coil is substantially covered by the one or both of the electromagnetic shield layers.
10. the induction heating assembly according to claim 1, further comprising a shielding coil positioned within the first or second electromagnetic shield layers at one or both of first and second axial ends of the induction coil.
11. the induction heating assembly according to claim 1, further comprising an outer housing layer surrounding the first and second electromagnetic shield layers.
12. an induction heating assembly for a vapour generating device, the induction heating assembly comprising: an induction coil;a heating compartment arranged to receive an induction heatable cartridge;an electromagnetic shield layer arranged outward of the induction coil, the electromagnetic shield layer comprising a ferrimagnetic, non-electrically conductive material; anda first insulating layer positioned between the induction coil and the electromagnetic shield layer, the first insulating layer comprising a material which is substantially non-electrically conductive and has a relative magnetic permeability substantially equal to 1.
13. the induction heating assembly according to claim 12, further comprising: a second insulating layer which is substantially non-electrically conductive and has a relative magnetic permeability less than, or substantially equal to, 1.
14. the induction heating assembly according to claim 13, wherein a part of the second insulating layer lies, in use, between the induction coil and a vaporisable substance inside the induction heatable cartridge.
15. a vapour generating device comprising: the induction heating assembly according to claim 12;an air inlet arranged to provide air to the heating compartment; andan air outlet in communication with the heating compartment.
16. the induction heating assembly according to claim 5, wherein the first insulating layer comprises air.
17. the induction heating assembly according to claim 13, wherein the second insulating layer comprises a plastics material.
18. a vapour generating device comprising: the induction heating assembly according to claim 1;an air inlet arranged to provide air to the heating compartment; andan air outlet in communication with the heating compartment.


Abstract: [en] a method of constructing a heating chamber for an aerosol generation device includes providing a side wall of the heating chamber, providing a heater, and arranging the heater to be in thermal contact with the side wall of the heating chamber. the method may also include attaching a heat shrink layer to the outward facing side of the heater, and heating the heat shrink layer to a temperature such that the heat shrink layer contracts to compress the heater against the side wall. the heating chamber for the aerosol generation device includes a side wall defining an interior volume of the heating chamber, and a heater in thermal contact with the side wall, as well as a heat shrink layer under tension, compressing the heater against an outwardly facing surface of the side wall.

[en] 1. a method of constructing a heating chamber for an aerosol generation device comprising the steps of: providing a side wall of the heating chamber;providing a heater;arranging the heater to be in thermal contact with the side wall of the heating chamber;attaching a heat shrink layer to the outward facing side of the heater;heating the heat shrink layer to a temperature such that the heat shrink layer contracts to compress the heater against the side wall.
2. the method of claim 1, wherein the heat shrink layer is a layer of heat shrink tape wrapped around the side wall.
3. the method of claim 2, wherein the heat shrink layer contracts only along the length of the tape in response to heating.
4. the method of claim 1, wherein the heat shrink layer wraps around the heater, and preferably wherein after heating, the heat shrink layer conforms to the shape of the side wall and the heater.
5. the method of claim 4, wherein after heating, the heat shrink layer exerts a homogeneous force on the heater.
6. the method of claim 1, wherein the step of heating the heat shrink layer results in between 5 percent and 12 percent contraction in length, preferably 8 percent contraction in length.
7. the method of claim 1, wherein the heat shrink layer is attached to the heater using a silicone adhesive or a silicone adhesive based tape.
8. the method of claim 7, wherein the step of heating the heat shrink layer comprises heating the heat shrink layer to a temperature not higher than the melting point of the silicone adhesive so as to cause the heat shrink layer to contract, and then further heating the heat shrink layer to an operational temperature of the device.
9. the method of claim 1, wherein the step of arranging the heater to be in thermal contact with the side wall, and attaching a heat shrink layer to the outward facing side of the heater comprises first attaching a heat shrink layer to the heater, and then attaching the combination of the heat shrink layer and the heater to the side wall.
10. the method of claim 8, wherein an end of the heat shrink layer is attached to an end of the heater using adhesive tape, or wherein the outward facing side of the heater is attached to an inward facing side of the heat shrink layer using an adhesive layer.
11. the method of claim 1, wherein the step of attaching the heat shrink layer to the heater comprises wrapping the heat shrink layer at least two full rotations around the side wall, at the position where the heater is in thermal contact with the side wall.
12. a heating chamber produced in accordance with the method of claim 1.
13. a heating chamber for an aerosol generation device, the heating chamber comprising: a side wall defining an interior volume of the heating chamber;a heater in thermal contact with the side wall; anda heat shrink layer under tension, compressing the heater against an outwardly facing surface of the side wall.
14. the heating chamber of claim 13, wherein the heat shrink layer is wrapped around the side wall for at least two full rotations at the position where the heater is in thermal contact with the side wall.
15. the heating chamber of claim 13, wherein the side wall and the heat shrink layer together hermetically seal the heater.
16. the heating chamber of claim 13, wherein the side wall is tubular and the heat shrink layer extends all the way around the outwardly facing surface of the side wall.
17. the heating chamber of claim 13, wherein the heat shrink layer is a layer of heat shrink tape wrapped around the side wall.
18. the heating chamber of claim 17, wherein the heat shrink layer is configured to contract only along the length of the tape in response to heating.
19. the heating chamber of claim 13, wherein the heat shrink layer comprises polyimide.
20. the heating chamber of claim 13, wherein the heat shrink layer has a thickness of 50 micro m or less, and preferably 25 micro m or less.
21. the heating chamber of claim 13, wherein the heat shrink layer has a thermal conductivity lower than that of the side wall.
22. the heating chamber of claim 13, further comprising a thermistor, and preferably wherein the thermistor is covered by the heat shrink material and preferably wherein the heat shrink material compresses the thermistor against the outwardly facing surface of the side wall.
23. an aerosol generation device, comprising: an electrical power source;the heating chamber according to claim 13; andcontrol circuitry arranged to control the supply of electrical power from the electrical power source to the heater.


Abstract: [en] an embossed tipping paper includes a relief pattern region having a patterned embossing structure formed in the depth of the material of the tipping paper. the embossed tipping paper further includes at least one plain region adjacent to the relief pattern region, the at least one plain region not having an embossing structure formed in the depth of the material of the tipping paper. a sequence of ventilation holes is formed in the at least one plain region. the embossed tipping paper has a substantially rectangular shape and the at least one plain region forms a band of fixed width running between two parallel edges of the substantially rectangular shape.

[en] 1. an embossed tipping paper for use in smoking articles, the tipping paper comprising: a relief pattern region having a patterned embossing structure formed in a depth of a material of the tipping paper; andat least one plain region adjacent to the relief pattern region, the at least one plain region not having an embossing structure formed in the depth of the material of the tipping paper, and a sequence of ventilation holes being formed in the at least one plain region,wherein the embossed tipping paper has a substantially rectangular shape, the at least one plain region forming a band of fixed width running between two parallel edges of the substantially rectangular shape.
2. the embossed tipping paper according to claim 1, wherein the fixed width of the at least one plain region is at least 1 mm.
3. the embossed tipping paper according to claim 1, wherein the at least one plain region comprises at least two plain regions adjacent to the relief pattern region, the at least two plain regions not having an embossing structure formed in the depth of the material of the tipping paper, and running in parallel to each other between the two parallel edges of the substantially rectangular shape of the embossed tipping paper.
4. the embossed tipping paper according to claim 3, wherein a first of the at least two plain regions is formed substantially at a side edge of the two parallel edges of the substantially rectangular shape of the embossed tipping paper.
5. the embossed tipping paper according to claim 3, wherein both of the at least two plain regions are formed substantially in the middle of the substantially rectangular shape of the embossed tipping paper.
6. the embossed tipping paper according to claim 4, wherein a second of the at least two plain regions is formed substantially in the middle of the substantially rectangular shape of the embossed tipping paper.
7. the embossed tipping paper according to claim 1, wherein the patterned embossing structure is formed to a depth of more than 45 micro m of the material of the tipping paper.
8. the embossed tipping paper according to claim 1, wherein the sequence of ventilation holes is a linear arrangement of a series of ventilation holes running in parallel to the band of fixed width in the middle of the at least one plain region.
9. a smoking article, particularly a cigarette, a double cigarette, a cigarette cartridge, a disposable tobacco stick or a double disposable tobacco stick, comprising a filter plug and the embossed tipping paper according to claim 1, the embossed tipping paper being wrapped around the filter plug.
10. the smoking article according to claim 9, further comprising a plug wrap made from porous paper wrapped around the filter plug beneath the embossed tipping paper.
11. the smoking article according to claim 10, wherein the embossed tipping paper has a higher basis weight than a basis weight of the paper of the plug wrap.
12. an embossing roller used for embossing tipping paper for smoking articles, the embossing roller comprising: an engraving pattern on a roller surface, the engraving pattern configured to form a relief pattern region having a patterned embossing structure in a depth of a material of the tipping paper; andat least one plain area on the roller surface adjacent to the engraving pattern, the at least one plain area configured to form at least one plain region adjacent to the relief pattern region, the at least one plain region not having an embossing structure formed in the depth of the material of the tipping paper,wherein the at least one plain area forms a band of fixed width running through the engraving pattern in parallel to a circumference of the embossing roller.
13. a manufacturing system for manufacturing smoking articles with embossed tipping paper, the manufacturing system comprising at least one of the embossing roller according to claim 12.
14. the manufacturing system according to claim 13, further comprising: a laser cutting device configured to form ventilation holes into the embossed tipping paper wrapped around a filter plug of semi-manufactured smoking articles running through the manufacturing system, the a-laser cutting device being configured to form a sequence of ventilation holes in the at least one plain region of the tipping paper.
15. a method of manufacturing smoking articles with embossed tipping paper, comprising the steps of: forming a patterned embossing structure in a depth of a material of the tipping paper to form a relief pattern region;omitting at least one plain region adjacent to the relief pattern region during formation of the patterned embossing structure in the depth of the material of the tipping paper, so that the tipping paper includes the relief pattern region with the patterned embossing structure and the at least one plain region not having a patterned embossing structure; andforming a sequence of ventilation holes in the at least one plain region of the tipping paper,wherein the embossed tipping paper has a substantially rectangular shape, the at least one plain region forming a band of fixed width running between two parallel edges of the substantially rectangular shape.
16. the method according to claim 15, wherein the sequence of ventilation holes is formed as a linear arrangement of a series of ventilation holes running in parallel to the band of fixed width in the middle of the at least one plain region.
17. the method according to claim 15, wherein forming the sequence of ventilation holes is performed using laser cutting.
18. the method according to claim 15, further comprising: separating two portions of the embossed tipping paper along a middle line of the band forming the at least one plain region.


Abstract: [en] an aerosol generating device (10) comprises a controller (24) and an induction heating arrangement (46) configured to heat an aerosol generating substrate (102) to generate an aerosol to be inhaled. the induction heating arrangement (46) comprises an induction coil (48) comprising at least a plurality of first coil strands (62) and a plurality of second coil strands (64) and the controller (24) is configured to control the induction heating arrangement (46) to supply an alternating electric current to the plurality of first coil strands (62) to generate a first electromagnetic field with a first frequency and to supply an alternating electric current to the plurality of second coil strands (64) to generate a second electromagnetic field with a second frequency that is different from the first frequency. an aerosol generating system 1 comprising the aerosol generating device (10) and an aerosol generating substrate (102) is also described.

[en] claims 1. an aerosol generating device (10) comprising: a controller (24); an induction heating arrangement (46) configured to heat an aerosol generating substrate (102) to generate an aerosol to be inhaled, the induction heating arrangement (46) comprising an induction coil (48) comprising at least a plurality of first coil strands (62) and a plurality of second coil strands (64); wherein the controller (24) is configured to control the induction heating arrangement (46) to supply an alternating electric current to the plurality of first coil strands (62) to generate a first electromagnetic field with a first frequency and to supply an alternating electric current to the plurality of second coil strands (64) to generate a second electromagnetic field with a second frequency that is different from the first frequency.
2. an aerosol generating device according to claim 1, wherein the induction coil(48) comprises a first coil portion (58) in which the plurality of first coil strands (62) are arranged and a second coil portion (60) in which the plurality of second coil strands (64) are arranged.
3. an aerosol generating device according to claim 2, wherein the induction coil(48) comprises a periphery (54) defining a cross-sectional coil envelope (56), and the first and second coil portions (58, 60) are arranged within the cross-sectional coil envelope (56).
4. an aerosol generating device according to claim 2 or claim 3, wherein the first and second coil portions (58, 60) are electrically isolated from each other.
5. an aerosol generating device according to any preceding claim, wherein the plurality of first coil strands (62) have a first cross-section and the plurality of second coil strands (64) have a second cross-section which differs from the first cross-section.
6. an aerosol generating device according to claim 5, wherein the plurality of first coil strands (62) and the plurality of second coil strands (64) differ from each other in one or more of cross-sectional shape and cross-sectional area.
7. an aerosol generating device according to any preceding claim, wherein the controller (24) is configured to sequentially supply the alternating electric current to the plurality of first coil strands (62) and the plurality of second coil strands (64) to sequentially generate the first and second electromagnetic fields.
8. an aerosol generating device according to any preceding claim, wherein the controller (24) is configured to supply the alternating electric current to the plurality of first coil strands (62) for a first period of time to generate the first electromagnetic field for the first period of time and thereafter to supply the alternating electric current to the plurality of second coil strands (64) for a second period of time that follows the first period of time to generate the second electromagnetic field for the second period of time.
9. an aerosol generating device according to any preceding claim, wherein the aerosol generating device (10) comprises a heating chamber (18) defining a heating zone (19) for receiving at least part of an aerosol generating substrate (102) and the induction coil (48) is positioned adjacent to the heating chamber (18) to generate the first and second electromagnetic fields within the heating zone (19).
10. an aerosol generating device according to any preceding claim, wherein the first electromagnetic field is adapted to heat a first inductively heatable susceptor (40) having a first resonant frequency and the second electromagnetic field is adapted to heat a second inductively heatable susceptor (42) having a second resonant frequency that is different from the first resonant frequency.
11. an aerosol generating device according to claim 10, wherein the aerosol generating device (10) comprises the first inductively heatable susceptor (40) and the second inductively heatable susceptor (42).
12. an aerosol generating device according to claims 9 to 11, wherein the first and second inductively heatable susceptors (40, 42) are positioned around the heating chamber (18) within the heating zone (19) to define, respectively, a first area (41) within the heating zone (19) and a second area (43) within the heating zone (19), and the induction coil (48) extends helically around the heating chamber (18).
13. an aerosol generating system (1) comprising: an aerosol generating substrate (102); and an aerosol generating device (10) according to any preceding claim for heating the aerosol generating substrate (102) to generate an aerosol to be inhaled.
14. a method of using an aerosol generating system (1) according to claim 13, the method comprising: positioning at least part of the aerosol generating substrate (102) in a heating chamber (18) of the aerosol generating device (10); actuating, by the controller (24), the induction heating arrangement (46) to supply an alternating electric current to the plurality of first coil strands (62) for a first period of time to generate the first electromagnetic field for the first period of time to heat a first portion of the aerosol generating substrate (102); actuating, by the controller (24), the induction heating arrangement (46) to supply an alternating electric current to the plurality of second coil strands (64) for a second period of time which follows the first period of time to generate the second electromagnetic field for the second period of time to heat a second portion of the aerosol generating substrate (102).
15. a method according to claim 14, wherein the heating chamber (18) defines a heating zone (19); the step of actuating, by the controller (24), the induction heating arrangement (46) to supply the alternating electric current to the plurality of first coil strands (62) causes the generated first electromagnetic field to heat a first inductively heatable susceptor (40) that defines a first area (41) of the heating zone (19) in which the first portion of the aerosol generating substrate (102) is positioned; and the step of actuating, by the controller (24), the induction heating arrangement (46) to supply the alternating electric current to the plurality of second coil strands (64) causes the generated second electromagnetic field to heat a second inductively heatable susceptor (42) that defines a second area (43) of the heating zone (19) in which the second portion of the aerosol generating substrate (102) is positioned.


Abstract: [en] a combination of a vaporizer (10) and a charger (12) has at least one user interface output such as a display and/or one or more light sources (16), in particular leds, and at least one user interface input such as buttons (14), capacitive touch sensors and microphones for voice command input, wherein the outputs are provided on the vaporizer, and the charger lacks any outputs. the vaporizer has at least one input (14), and preferably no information can be input on the charger. the charger (12) may be a portable charging case in which the vaporizer (10) can be accommodated.

[en]     claims   1. a combination of a vaporizer (10) and a charger (12) with at least one user interface output (16) such as a display and/or one or more light sources, in particular leds, and at least one user interface input (14, 18) such as buttons, capacitive touch sensors and microphones for voice command input, wherein any outputs (16) are provided on the vaporizer (10), and the charger (12) lacks any outputs, and the vaporizer (10) further has at least one input; characterized in that a control is adapted to control at least one output so as to distinguish between vaporizer (10) and charger (12) related output.
2. the combination of claim 1, wherein the charger (12) is a charging case, which is preferably portable, and in which the vaporizer (10) can be accommodated.
3. the combination of one of the preceding claims, wherein at least one output is related to a battery level of the vaporizer (10) or the charger (12), vaping time, heating up time, puff intensity or charging state.
4. the combination of one of the preceding claims, wherein the control is adapted to control at least one output so as to output, in particular show vaporizer (10) related output, when the vaporizer (10) is not connected to the charger (12), and charger (12) related output, when the vaporizer (10) is connected to the charger.
5. the combination of one of the preceding claims, wherein the vaporizer (10) has an output indicating whether vaporizer or charger (12) related output is output.
6. the combination of one of the preceding claims, wherein the vaporizer and/or the charger has an input adapted to switch at least one output between vaporizer and charger related output.
7. the combination of claim 6, wherein the vaporizer (10) has a single output and/or input, and/or the charger (12) has a single input.
8. a method of outputting information related to a combination of a vaporizer (10) and a charger (12) by means of at least one user interface output (16) such as a display and/or one or more light sources, in particular leds, wherein any information is output on the vaporizer (10), and no information is output on the charger (12), and wherein information can be input on the vaporizer (10), but no information can be input on the charger (12); wherein a control controls at least one output in a manner distinguishing between vaporizer and charger related output.
9. the method of claim 8, wherein at least one of a battery level of the vaporizer (10) or the charger (12), vaping time, heating up time, puff intensity or charging state is output.
10. the method of claims 8 or 9, wherein the control controls at least one output so as to output, in particular show vaporizer (10) related output, when the vaporizer (10) is not connected to the charger (12), and charger (12) related output, when the vaporizer (10) is connected to the charger (12).
11. the method of one of claims 8 to 10, wherein information is output in a manner indicating whether vaporizer (10) or charger (12) related output is output.
12. the method of one of claims 8 to 11, wherein at least one output can be switched between vaporizer (10) and charger (12) related output.


Abstract: [en] an aerosol generation device designed to operate with a consumable article includes a socket for receiving the consumable article; a heater configured to heat the consumable article when it is received in the socket; first and second sensors each configured to detect the consumable article inside a respective first and second portion of the socket and generate a respective first and second sensor signal; and a controller for controlling the operation of the heater according to both sensor signals. each sensor includes a respective roller configured to rotate when the consumable article is being received in the corresponding portion of the socket or extracted from such portion.

[en] 1. an aerosol generation device designed to operate with a consumable article, comprising: a socket configured to receive the consumable article;a heater arranged at least partially adjacent to the socket and configured to heat the consumable article when the consumable article is received in the socket;at least a first sensor and a second sensor, each of the first sensor and the second sensor being configured to detect the consumable article inside at least a first portion of the socket and a second portion of the socket respectively, and to generate a first sensor signal and a second sensor signal, respectively;a controller configured to control operation of the heater according to both of the first and second sensor signals,wherein each of the first and second sensors comprises a respective roller configured to rotate when the consumable article is being received in the respective first and second portion of the socket or is being extracted from the respective first and second portion of the socket.
2. the aerosol generation device according to claim 1, wherein the socket extends along a socket axis, the second sensor and the first sensor being arranged successively along the socket axis.
3. the aerosol generation device according to claim 1, wherein the socket is delimited by an internal wall, each of the first and second sensors being arranged in a respective aperture positioned along the internal wall, and each of the first and second sensors protruding from the respective aperture.
4. the aerosol generation device according to claim 1, wherein each of the first and second sensors is configured to indicate a direction of rotation of the respective roller.
5. the aerosol generation device according to claim 1, wherein the controller is configured to control the operation of the heater according to a control logic depending on each of the first sensor signal and the second sensor signal.
6. the aerosol generation device according to claim 5, wherein each of the first sensor signal and the second sensor signal is either positive, negative, or null; wherein each of the first and second sensor signals is positive when a direction of rotation of the respective roller corresponds to an insertion direction of the consumable article into the socket; wherein each of the first and second sensor signals is negative when the direction of rotation of the respective roller corresponds to an extraction direction of the consumable article out of the socket; and wherein each of the first and second sensor signals is null when each of the first and second sensor signals is neither negative nor positive.
7. the aerosol generation device according to claim 6, wherein the control logic is configured to activate the operation of the heater if each of the first sensor signal and the second sensor signal is positive.
8. the aerosol generation device according to claim 6, wherein the control logic is configured to maintain a current state of the heater either if the first sensor signal is positive and the second sensor signal is null or if the first sensor signal is negative and the second sensor signal is negative.
9. the aerosol generation device according to claim 6, wherein the control logic is configured to maintain a current state of the heater if each of the first sensor signal and the second sensor signal is null after being positive.
10. the aerosol generation device according to claim 6, wherein the control logic is configured to deactivate the operation of the heater if each of the first sensor signal and the second sensor signal is null after being negative.
11. the aerosol generation device according to claim 6, wherein the control logic is configured to maintain a current state of the heater if the first sensor signal is negative and the second signal is null.
12. the aerosol generation device according to claim 6, wherein the control logic is configured to deactivate the operation of the heater if the first sensor signal is negative and the second sensor signal is null.
13. the aerosol generation device according to claim 12, wherein the control logic is configured to maintain the current state of the heater if each of the first sensor signal and the second sensor signal is null.
14. a method for controlling the aerosol generation device according to claim 1, comprising controlling the operation of the heater based on both of the first and second sensor signals.


Abstract: [en] a heating apparatus for an aerosol generating device includes: a heating chamber for receiving an aerosol generating substrate; and a susceptor assembly including a first ring and a second ring and a plurality of susceptors held between the first and second rings. an aerosol generating system includes the heating apparatus in combination with an aerosol generating article.

[en] 1. a heating apparatus for an aerosol generating device comprising: a heating chamber for receiving an aerosol generating substrate; anda susceptor assembly configured to be positioned within the heating chamber, the susceptor assembly comprising a first ring and a second ring, and a plurality of susceptors held between the first and second rings, wherein each susceptor in the plurality of susceptors extends from the first ring to the second ring, and wherein the susceptor assembly is configured to allow the aerosol generating substrate to pass through the first ring.
2. the heating apparatus of claim 1, wherein the susceptor assembly is configured to be removable from the heating chamber.
3. the heating apparatus of claim 2, wherein an outer surface of the first ring and/or an outer surface of the second ring is configured to provide a frictional force which acts against an inner surface of the heating chamber.
4. the heating apparatus of claim 1, wherein the susceptor assembly is configured to prevent a received aerosol generating substrate from passing beyond the second ring.
5. the heating apparatus of claim 1, wherein the first ring and/or the second ring is configured to allow air to pass through or around the first ring and/or the second ring after the aerosol generating substrate is received in the heating chamber.
6. the heating apparatus of claim 1, wherein each end of the plurality of susceptors is arranged at the respective first ring and/or the second ring.
7. the heating apparatus of claim 2, wherein a first end of each susceptor in the plurality of susceptors is arranged at the second ring, and a portion of the first end of at least one of the plurality of susceptors held in the second ring is substantially perpendicular to a direction in which the susceptor assembly is configured to be removed from the heating chamber.
8. the heating apparatus of claim 1, wherein at least one of the heating chamber, the first ring and/or the second ring comprises a substantially non-electrically conductive and non-magnetically permeable material.
9. the heating apparatus of claim 1, wherein at least one susceptor in the plurality of susceptors comprises an inwardly extending portion, positioned between the first and second rings, that extends toward a central axis of the heating chamber so as to provide a reduced cross-sectional area of the heating chamber.
10. the heating apparatus of claim 1, wherein each of the susceptors in the plurality of susceptors is spaced apart from an inner heating chamber wall between the first and second rings.
11. the heating apparatus of claim 1, wherein each of the susceptors in the plurality of susceptors is in contact with an inner heating chamber wall along at least one edge.
12. the heating apparatus of claim 1, wherein each of the susceptors in the plurality of susceptors is in contact with an inner heating chamber wall along at least two edges, but are spaced apart from the heating chamber wall between the at least two edges.
13. the heating apparatus of claim 1, wherein each of the susceptors in the plurality of susceptors has a convex cross-sectional shape so as to minimise contact with an inner heating chamber inner wall, and to improve structural rigidity.
14. the heating apparatus of claim 1, wherein the heating chamber comprises a chamber wall configured to support an induction heating coil of an electromagnetic field generator.
15. an aerosol generating system comprising: an aerosol generating substrate;an electromagnetic field generator; andthe heating apparatus of claim 1.


Abstract: [en] a heating apparatus for an aerosol generating device includes a heating chamber configured to receive at least part of an aerosol generating substrate; a plurality of inductively heatable susceptors arranged circumferentially with respect to a longitudinal axis of the heating chamber, wherein each susceptor has a substantially planar portion that defines a respective plane; and an inductive coil wrapped around the heating chamber, and shaped such that the coil is parallel to the respective planes defined by the plurality of susceptors.

[en] 1. a heating apparatus for an aerosol generating device comprising: a heating chamber configured to receive at least part of an aerosol generating substrate, the heating chamber comprising a chamber wall;a plurality of inductively heatable susceptors arranged circumferentially with respect to a longitudinal axis of the heating chamber, wherein each susceptor has a substantially planar portion that defines a respective plane; andan inductive coil wrapped around the heating chamber, and shaped such that the coil is parallel to respective planes defined by the plurality of susceptors, wherein the chamber wall has a uniform thickness such that a spacing between the coil and each of the plurality of susceptors is substantially constant across the planar portion.
2. the heating apparatus according to claim 1, wherein chamber wall defines an interior volume of the heating chamber, and the plurality of susceptors are spaced around an inner surface of the chamber wall.
3. the heating apparatus according to claim 2, wherein each of the plurality of susceptors has a recess formed along a length of the susceptor, the recess is configured to engage with a corresponding projection defined in the inner surface of the chamber wall.
4. the heating apparatus according to claim 3, wherein the projection is configured to extend radially inwardly with respect to the longitudinal axis of the heating chamber thereby to compress the aerosol generating substrate positioned, in use, in the heating chamber.
5. the heating apparatus according to claim 1, wherein the heating chamber has substantially planar portions that coincide with the planar portions of the susceptors.
6. the heating apparatus according to claim 1, wherein the plurality of susceptors comprise curved sides in addition to the planar portions.
7. the heating apparatus according to claim 1, wherein the heating chamber is configured to hold four of the plurality of susceptors spaced equidistant from each other such that the planar portion of each of the four susceptors is parallel to a corresponding plane of the coil wrapped around the heating chamber.
8. the heating apparatus according to claim 1, wherein the heating chamber is configured to hold three of the plurality of susceptors spaced equidistant from each other in the heating chamber such that the planar portion of each of the three susceptors is parallel to a corresponding plane of the coil wrapped around the heating chamber.
9. the heating apparatus according to claim 1, wherein the coil is configured to generate an electromagnetic field and inductively heat the plurality of susceptors to generate aerosol from the aerosol generating substrate when in use.
10. the heating apparatus according to claim 1, wherein each of the plurality of susceptors is elongate in the longitudinal direction of the heating chamber.
11. the heating apparatus according to claim 2, wherein sides of the plurality of susceptors are flush with the inner surface of the heating chamber.
12. the heating apparatus according to claim 1, wherein the heating chamber comprises a substantially non-electrically conductive and non-magnetically permeable material.
13. the heating apparatus according to claim 12, wherein the heating chamber comprises a heat-resistant plastics material, preferably polyether ether ketone (peek).
14. an aerosol generating system comprising: an aerosol generating substrate; anda heating apparatus according to claim 1.


Abstract: [en] the present invention relates an aerosol generating article for use in a non-combustible aerosol generating device comprising a filtering mouthpiece, an aerosol generating segment and a spacer element positioned between the aerosol generating segment and the filtering mouthpiece. the aerosol generating article is wrapped at least partially by a first wrapper, wherein the first wrapper comprises an outer and an inner surface. furthermore, the aerosol generating article extends in a length and a circumferential direction. according to the invention, the first wrapper comprises at least one tobacco leaf portion. the invention relates also to a method for manufacturing such an aerosol generating article.

[en] claims 1. an aerosol generating article (1) for use in a non-combustible aerosol generating de vice (8) comprising a filtering mouthpiece (2), an aerosol generating segment (3) and a spacer element (4b) positioned between the aerosol generating segment (3) and the filtering mouthpiece (2), and being wrapped at least partially by a first wrapper (5), wherein the first wrapper (5) comprises an outer (6a) and an inner (6b) surface, wherein the aerosol generating article (1) extends in a length (l) and a circumferential (c) direction, characterized in that the first wrapper (5) comprises at least one tobacco leaf portion (7), wherein the to bacco leaf portion is a part of a preshaped, harvested and aged tobacco plant leaf.
2. aerosol generating article (1) according to claim 1, characterized in that the tobacco leaf portion (7) extends along the length direction (l) and comprises a length (i2) which corresponds to a length (11) of the aerosol generating article (1).
3. aerosol generating article (1) according to any of the preceding claims, characterized in that the tobacco leaf portion (7) extends along the circumferential direction (c) and com prises a circumference (c2) which corresponds to a circumference (d) of the aerosol generating article (1).
4. aerosol generating article (1) according to any of the preceding claims, characterized in that the tobacco leaf portion (7) is arranged as the outer (6a) and/or inner (6b) surface of at least first wrapper (5).
5. aerosol generating article (1) according to any of the preceding claims, characterized in that the tobacco leaf portion (7) is formed as a spirally wound tube (9) as the outer (6a) and/or inner (6b) surface of the first wrapper (5).
6. aerosol generating article (1) according to any of the preceding claims, characterized in that the aerosol generating segment (3) is formed as a rod (11) comprising reconstituted tobacco (10).
7. aerosol generating article (1) according to claim 6, characterized in that the reconstituted tobacco (10) is at least one gathered sheet (10a).
8. aerosol generating article (1) according to claim 6 or 7, characterized in that the reconstituted tobacco (10) is formed as a plurality (12) of reconstituted tobacco strips or strands (10b) extending along the length direction (l).
9. aerosol generating article (1) according to claims 6 - 8, characterized in that the reconstituted tobacco (10) is formed as a reconstituted tobacco cut filler (10c) which is preferably randomly oriented in the aerosol generating segment (3).
10. aerosol generating article (1) according to any of the preceding claims, characterized in that the aerosol generating segment (3) is individually wrapped with a second wrapper (13) preferably comprising any one of: paper, cellulose acetate, aluminium foil, to bacco leaf, tobacco paper.
11. aerosol generating article (1) according to claim 10, characterized in that the aerosol generating article (1) comprises a third wrapper (14) which is adhesively attached to the first wrapper (5) at least partially.
12. aerosol generating article (1) according to any of the preceding claims, characterized in that the first wrapper (5) is a single wrapper of the aerosol generating article (1).
13. aerosol generating article (1) according to any of the preceding claims, characterized in that the first wrapper comprises two layers, wherein the tobacco leaf portion is a layer of the first wrapper adhesively attached on the outer or inner surface of a second layer of the first wrapper, wherein the layers of the first wrapper are superimposed or at least overlapping.
14. aerosol generating article (1) according to claim 13, characterized in that the layers of the first wrapper are superimposed or at least overlapping.
15. aerosol generating article (1) according to any of the preceding claims, characterized in that several tobacco leaf portions are distributed on the entire outer and/or inner surface of the first wrapper.
16. aerosol generating article (1) according to claim 15, characterized in that the tobacco leaf portions are attached to the inner and/or outer surface of the first wrapper as rings, wherein the tobacco leaf rings enclose the aerosol generating arti cle circumferentially.
17. aerosol generating article (1) according to claim 16, characterized in that the ring of the tobacco leaf portion replaces at least one lacking portion of the first wrapper.
18. aerosol generating article (1) according to any of the preceding claims, characterized in that the tobacco leaf portion comprises at least one adhesive surface which may be glued to portions or edges of the first wrapper thereby replacing the lacking portions with the tobacco leaf portion.
19. a method for manufacturing an aerosol generating article (1) for use in a non-com bustible aerosol generating device (8), wherein the aerosol generating device (8) comprises a filtering mouthpiece (2), an aerosol generating segment (3) and a spacer (4b) element positioned between the aerosol generating segment (3) and the filtering mouthpiece (2), wherein the aerosol generating article (1) extends in a length (l) and a circumferential (c) directions, characterized by wrapping the aerosol generating article (1) at least partially with a first wrapper (5), wherein the first wrapper (5) comprises an outer (6a) and an inner (6b) surface, wherein the first wrapper (5) comprises at least one tobacco leaf portion (7), wherein the tobacco leaf portion is a part of a preshaped, harvested and aged tobacco plant leaf..
20. method according to claim 13, characterized by wrapping the aerosol generating segment (3) with a second wrapper (13) preferably comprising a paper or tobacco leaf or tobacco paper.
21. method according to claim 14, characterized by wrapping the aerosol generating article (1) with a third wrapper (14), wherein the third wrapper (14) is adhesively attached to the first wrapper (5).


Abstract: [en] an aerosol generation device (1) comprises: - an aerosol generation unit (2) arranged for transforming an aerosol- forming substance (4) mixed with air into an aerosol that may be inhaled by a user through successive draws, - an air flow channel (3) having an inner diameter (d1), allowing air, sucked by a user, to pass through and to be mixed with the aerosol-forming substance (4), and having a deformable section (5) that is deformable to change its inner diameter (d1), and - a manual adjusting means (17) arranged for acting on this deformable section (5) to induce its deformation when it is manually actuated by the user wishing to adjust the resistance to draw.

[en]     claims   1. aerosol generation device (1) comprising i) an aerosol generation unit (2) arranged for transforming an aerosol-forming substance (4) mixed with air into an aerosol that may be inhaled by a user through successive draws, and ii) an air flow channel (3) allowing air, sucked by said user, to pass through and to be mixed with said aerosol-forming substance, and having an inner diameter (d1), wherein a wall of said air flow channel (3) has a deformable section (5) that is deformable to change said inner diameter (d1) so as to adjust a resistance to draw through the airflow channel, and wherein said aerosol generation device (1) further comprises a manual adjusting means (17) arranged for acting on said deformable section (5) to induce deformation of said deformable section (5) when said manual adjusting means (17) is manually actuated by said user wishing to adjust said resistance to draw.
2. aerosol generation device according to claim 1, wherein said manual adjusting means (17) is a screw or a mechanical mechanism.
3. aerosol generation device according to claim 2, wherein said mechanical mechanism is chosen from a group comprising a lever, a scotch yoke mechanism, and a scott russell mechanism.
4. aerosol generation device according to any one of the preceding claims, wherein it further comprises at least one strain gauge sensor (18) arranged for measuring a deformation of said deformable section (5), and a controller (19) arranged for determining a degree of restriction of said deformable section (5) based on said measured deformation and for controlling heater operation of said aerosol generation unit (2) according to said determined degree of restriction.
5. aerosol generation device according to any preceding claim, said airflow channel (3) including a chamber (7, 8) operable to receive said aerosol-forming substance (4).
6. aerosol generation device according to any preceding claim, wherein said aerosol generation device (1) comprises a heater (13).
7. aerosol generation device according to any preceding claim, wherein said deformable section (5) that is deformable to change said inner diameter (d1) is operable to adjust a resistance to draw through the air flow channel by reducing a cross-sectional area of the air flow channel.
8. aerosol generation device according to any preceding claim, wherein said deformable section (5) is deformable inwardly towards a central axis of said air flow channel (3).
9. aerosol generation device according to any preceding claim, wherein said deformable section comprises a flexible membrane (16).
10. aerosol generation device according to claim 9, wherein said flexible membrane (16) is made from a silicone elastomer or a flexible polymer.
11. aerosol generation device according to any one of claims 1 to 8, wherein said deformable section (5) comprises a wall section movable to protrude into said airflow channel (3).
12. aerosol generation device according to any preceding claim, wherein said aerosol generation unit (2) comprises an area (7) intended for containing said aerosol-forming substance (4) in solid form, and said deformable section (5) comprises at least a part of said area (7) to compress said aerosol-forming substance (4) when it is deformed.
13. aerosol generation device according to any one of claims 1 to 11, wherein said deformable section (5) is comprised in a part (23) of said airflow channel (3) that is located upstream of said aerosol-forming substrate (4), said part arranged for providing said aerosol generation unit (2) with air originating from outside.
14. aerosol generation device according to any preceding claim, wherein said aerosol generation device is an electronic cigarette.


Abstract: [en] the aerosol generation device (12) comprises: - a storage portion (20) configured to receive a consumable article storing a vaporizable material and extending along a device axis (x) between an open end (30) and a bottom end (32); - a first heating system (60) configured to heat at least partially the storage portion (20) to form aerosol on the open end (30) when the consumable article is in the storage portion (20); - a gas-sensing compartment (22) comprising a gas sensor (36); in a vaping mode, the storage portion (20) being configured to conduct a vaping flow from a vaping flow inlet (26) to the open end (30) through the consumable article; in a sensing mode, the storage portion (20) being configured to conduct an exhaled flow from the open end (30) to the gas-sensing compartment (22).

[en] claims 1. an aerosol generation device (12) comprising: - a storage portion (20) configured to receive a consumable article (14) storing a vaporizable material, the storage portion (20) extending along a device axis (x) between an open end (30) and a bottom end (32); - a first heating system (60) configured to heat at least partially the storage portion (20) until at least a first temperature to form aerosol on the open end (30) when the consumable article (14) is received in the storage portion (20); - a gas-sensing compartment (22), able to be in fluid communication with the storage portion (20) and comprising a gas sensor (36) for sensing at least a gas; in a vaping mode, the storage portion (20) being configured to conduct a vaping flow from a vaping flow inlet (26) to the open end (30) through the consumable article (14); in a sensing mode, the storage portion (20) being configured to conduct an exhaled flow from the open end (30) to the gas-sensing compartment (22).
2. the aerosol generation device (12) according to claim 1, further comprising a sensing valve (50) arranged between the gas-sensing compartment (22) and the storage portion (20); the sensing valve (50) being movable between an open position in which the gassensing compartment (22) is in fluid communication with the storage portion (20) and a closed position in which the gas-sensing compartment (22) is isolated from the storage portion (20); the sensing valve (50) being in the open position in the sensing mode and in the closed position in the vaping mode.
3. the aerosol generation device (12) according to claim 1 or 2, further comprising a vaping valve (52) arranged between the vaping flow inlet (26) and the storage portion (20); the vaping valve (52) being movable between an open position in which the vaping flow inlet (26) is in fluid communication with the storage portion (20) and a closed position in which the vaping flow inlet (26) is sealed; the vaping valve (52) being in the open position in the vaping mode and in the closed position in the sensing mode.
4. the aerosol generation device (12) according to any one of the preceding claims, further comprising a control module (66) and a switch system (68), the control module (66) being configured to control the device (12) between the sensing mode and the vaping mode, the switch system (68) being designed to be manipulated by a user to command the control module (66).
5. the aerosol generation device (12) according to any one of the preceding claims, wherein the storage portion (20) is configured to receive the consumable article (14) through the open end (30).
6. the aerosol generation device (12) according to any one of the preceding claims, wherein in the sensing mode, the storage portion (20) is configured to conduct the exhaled flow when the storage portion (20) is empty of consumable article (14).
7. the aerosol generation device (12) according to any one of the preceding claims, wherein the vaping flow inlet (26) is arranged at the bottom end (32) of the storage portion (20).
8. the aerosol generation device (12) according to any one of the preceding claims, wherein the first heating system (60) is further configured to heat the exhaled flow passing through the storage portion (20) in the sensing mode, until at least a second temperature.
9. the aerosol generation device (12) according to any one of the preceding claims, further comprising a second heating system (62) configured to heat the exhaled flow entering the gas-sensing compartment (22) in the sensing mode, until at least a second temperature.
10. the aerosol generation device (12) according to claim 8 or 9, wherein the first heating system (60) and/or the second heating system (62) comprises a hollow cylindrical component, the exhaled flow flowing through the cylindrical component toward the gas sensor (36) in the sensing mode.
11. the aerosol generation device (12) according to claim 10, wherein the cylindrical component comprises, radially, inwardly to outwardly, a teflon layer filled with a hydrocarbon filler, a copper layer and a heater film. 15
12. the aerosol generation device (12) according to any one of claims 8 to 11, wherein the second temperature is chosen to cause isolation of a at least one predetermined component from the exhaled flow, preferably the second temperature being comprised between 80 degrees centigrade and 100 degrees centigrade, and advantageously substantially equal to 90 degrees centigrade
13. the aerosol generation device (12) according to any one of the preceding claims, further comprising a communication module (70) connected to the gas sensor (36), the gas sensor (36) being configured to generate sensing data representative of the exhaled flow, the communication module (70) being configured to transmit said sensing data to an external device (1).
14. the aerosol generation device (12) according to any one of the preceding claims, wherein the gas sensed by the gas sensor (36) comprises a component chosen from the list comprising acetone, carbon dioxide and ethanol.
15. the aerosol generation assembly, comprising: - an aerosol generation device (12) according to any one of the preceding claims; and - a consumable article (14) configured to operate with the aerosol generation device (12).


Abstract: [en] an induction heating assembly (11) for an aerosol generating device (10) comprises a heating chamber (18) for receiving at least part of an aerosol generating substrate (102), an induction coil (58) positioned externally of the heating chamber (18) for generating an electromagnetic field, an inductively heatable susceptor (48) positioned inside the heating chamber (18) at a periphery (31) thereof externally of the aerosol generating substrate (102), and a temperature sensor (64) in thermal contact with the inductively heatable susceptor (48). the inductively heatable susceptor (48) is arranged with respect to the induction coil (58) to be inductively heated by the generated electromagnetic field and has a geometric feature (70) arranged to shield the temperature sensor (64) from the generated electromagnetic field.

[en] claims 1. an induction heating assembly (11) for an aerosol generating device (10), the induction heating assembly (11) comprising: a heating chamber (18) for receiving at least part of an aerosol generating substrate (102); an induction coil (58) positioned externally of the heating chamber (18) for generating an electromagnetic field; an inductively heatable susceptor (48) positioned inside the heating chamber (18) at a periphery (31) thereof externally of the aerosol generating substrate (102), the inductively heatable susceptor (48) being arranged with respect to the induction coil (58) to be inductively heated by the generated electromagnetic field; a temperature sensor (64) in thermal contact with the inductively heatable susceptor (48); wherein the inductively heatable susceptor (48) has a geometric feature (70) arranged to shield the temperature sensor (64) from the generated electromagnetic field.
2. an induction heating assembly according to claim 1, wherein the temperature sensor (64) is received within the geometric feature (70).
3. an induction heating assembly according to claim 2, wherein the temperature sensor (64) is a thermocouple and comprises a first thermocouple wire (66) received within the geometric feature (70) and a second thermocouple wire (68) received within the geometric feature (70).
4. an induction heating assembly according to any preceding claim, wherein the induction coil (58) extends around the heating chamber (18).
5. an induction heating assembly according to claim 4, wherein the heating chamber (18) has a longitudinal axis defining a longitudinal direction, the inductively heatable susceptor (48) is elongate in the longitudinal direction of the heating chamber (18), and the inductively heatable susceptor (48) has an inner surface (48a) and an outer surface (48b).
6. an induction heating assembly according to claim 5, wherein the heating chamber (18) comprises a chamber wall (30) that defines an interior volume of the heating chamber (18), and wherein, when an aerosol generating substrate (102) is received in the heating chamber (18), there is an inner air gap between the inner surface (48a) of the inductively heatable susceptor (48) and the aerosol generating substrate (102) and an outer air gap between the outer surface (48b) of the inductively heatable susceptor (48) and the chamber wall (30).
7. an induction heating assembly according to claim 5 or claim 6, wherein the geometric feature (70) comprises a groove (72) formed in the inner surface (48a) or the outer surface (48b) of the inductively heatable susceptor (48), the groove (72) extends in the longitudinal direction, and the temperature sensor (64) is positioned in the groove (72).
8. an induction heating assembly according to claim 7, wherein the groove (72) extends in the longitudinal direction from the location of the temperature sensor (64) to an end of the inductively heatable susceptor (48).
9. an induction heating assembly according to claim 7 or claim 8, wherein, when the groove (72) is formed in the inner surface (48a) of the inductively heatable susceptor (48), the temperature sensor (64) is recessed from the inner surface (48a).
10. an induction heating assembly according to claim 7 or claim 8, wherein, when the groove (72) is formed in the outer surface (48b) of the inductively heatable susceptor (48), the temperature sensor (64) is recessed from the outer surface (48b).
11. an induction heating assembly according to any of claims 7 to 10, wherein the groove (72) is covered by an electrically conductive and non-magnetically permeable material strip (74) to enclose the temperature sensor (64) in the groove (72).
12. an induction heating assembly according to claim 5 or claim 6, wherein the geometric feature (70) comprises a channel (76) arranged on the inner surface (48a) or the outer surface (48b) of the inductively heatable susceptor (48), the channel (76) extends in the longitudinal direction, and the temperature sensor (64) is positioned in the channel (76).
13. an induction heating assembly according to claim 12, wherein the channel (76) extends in the longitudinal direction from the location of the temperature sensor (64) to an end of the inductively heatable susceptor (48).
14. an induction heating assembly according to claim 12 or claim 13, wherein the channel (76) is formed by a pair of side walls (76a) extending in the longitudinal direction, the side walls (76a) comprising an electrically conductive and magnetically permeable material.
15. an induction heating assembly according to any of claims 12 to 14, wherein the channel (76) is covered by an electrically conductive and non-magnetically permeable material strip (74) to enclose the temperature sensor (64) in the channel (76).


Abstract: [en] the present invention relates to a pod (1) including a light-switchable layer (7) for an aerosol-generating device in which leakage of an aerosol-generating liquid material (e-liquid) during transit and storage is prevented. this is achieved by a pod (1) for an aerosol-generating device comprising a porous wick (2); a reservoir (3) including a discharge opening (4) for an aerosol-generating liquid material; and at least one light emitting source (6), wherein the porous wick (2) is coated with a light-switchable layer (7) on a surface thereof sealing the discharge opening (4) of the reservoir (3) so that the light-switchable layer (7) is arranged between the discharge opening (4) of the reservoir (3) and the porous wick (2), wherein the light- switchable layer (7) comprises an amphiphilic inorganic material being hydrophobic and impermeable for an aerosol-generating liquid material in the dark and becoming hydrophilic and permeable for an aerosol-generating liquid material when exposed to light, and wherein the at least one light emitting source (6) is configured to illuminate the light-switchable layer (7). furthermore, the present invention also relates to an aerosol-generating device comprising the pod (1).

[en] claims 1. a pod (1) for an aerosol-generating device comprising a porous wick (2); a reservoir (3) including a discharge opening (4) for an aerosol-generating liquid material; and at least one light emitting source (6), wherein the porous wick (2) is coated with a light- switchable layer (7) on a surface thereof sealing the discharge opening (4) of the reservoir (3) so that the light- switchable layer (7) is arranged between the discharge opening (4) of the reservoir (3) and the porous wick (2), wherein the light-switchable layer (7) comprises an amphiphilic inorganic material being hydrophobic and impermeable for an aerosol-generating liquid material in the dark and becoming hydrophilic and permeable for an aerosolgenerating liquid material when exposed to light, and wherein the at least one light emitting source (6) is configured to illuminate the light-switchable layer (7).
2. the pod (1) for an aerosol-generating device according to claim 1, wherein the amphiphilic inorganic material is hydrophobic in the dark and becomes hydrophilic when exposed to ultraviolet (uv) light.
3. the pod (1) for an aerosol-generating device according to claim 1 or 2, wherein the amphiphilic inorganic material is at least one selected from the group consisting of tic>2, zno and snc>2.
4. the pod (1) for an aerosol-generating device according to claim 3, wherein the amphiphilic inorganic material is at least one selected from the group consisting of tic>2 nanoparticles, zno nanoparticles and sno2 nanoparticles.
5. the pod (1) for an aerosol-generating device according to any one of claims 1 to 4, wherein the light-switchable layer (7) has a thickness of 10 nm to 100 pm.
6. the pod (1) for an aerosol-generating device according to any one of claims 1 to 5, wherein the at least one light emitting source (6) is configured to illuminate the light- switchable layer (7) by direct illumination and/or by reflection of the emitted light from a reservoir sidewall (8).
7. the pod (1) for an aerosol-generating device according to any one of claims 1 to 6, wherein the at least one light emitting source (6) emits light with a wavelength in the range of 350 to 450 nm, preferably in the range of 365 to 405 nm.
8. the pod (1) for an aerosol-generating device according to any one of claims 1 to 7, wherein the at least one light emitting source (6) is an uv light emitting diode.
9. the pod (1) for an aerosol-generating device according to any one of claims 1 to 8, wherein the at least one light emitting source (6) is arranged to illuminate the light- switchable layer (7) by emitting light through the reservoir (3).
10. the pod (1) for an aerosol-generating device according to claim 9, wherein the reservoir (3) comprises at least one uv transparent window (9) arranged to allow the at least one light emitting source (6) to illuminate the light-switchable layer (7) by emitting light through the window (9).
11. the pod (1) for an aerosol-generating device according to claim 10, wherein the uv transparent window (9) is made of any one of glass, inorganic quarz, silicone elastomer, acrylic polymer, polycarbonate (pc), polyethylene terephthalate (pet) and cyclic olefin copolymers (coc).
12. the pod (1) for an aerosol-generating device according to any one of claims 1 to 11, wherein the porous wick (2) is made of ceramic, silica or cotton.
13. the pod (1) for an aerosol-generating device according to any one of claims 1 to 12, further comprising an airflow channel (5) configured to allow air entering the pod (1) through an inlet (5a) being guided through the porous wick (2) and/or along a surface of the porous wick (2), and exiting the pod (1) through an outlet (5b).
14. the pod (1) for an aerosol-generating device according to any one of claims 1 to 13, wherein when the air is guided along the surface of the porous wick (2), the porous wick (2) has a vapor channel structure (10) forming vapor channels (10a) on that surface of the porous wick (2) along which the air is guided.
15. an aerosol-generating device comprising the pod (1) as defined in any one of claims 1 to 14.


Abstract: [en] an aerosol generation device (2) comprises a receiving interface (4) to receive an aerosol generation unit allowing a user to inhale, a sensor (5) to detect a user's inhalations, and a controller (6) configured to determine information from n user's inhalations detected during a calibration procedure without aerosol generation, with n greater than or equal to 1, this information being used for determining an inhalation profile for the user.

[en]       claims   1. aerosol generation device (2) comprising: a receiving interface (4) to receive an aerosol generation unit allowing a user to inhale, a sensor (5) to detect a user’s inhalations, and a controller (6) for controlling the operation of said aerosol generation unit, characterized in that, during a calibration procedure, said controller (6) is configured to determine information from n user’s inhalations detected during said calibration procedure, without aerosol generation, with n > 1, said information being used for determining an inhalation profile for said user, and further characterized in that, during a vaping session following said calibration procedure, said controller (6) is configured to control the operation of aerosol generation unit using a heating profile based on said determined inhalation profile.
2. aerosol generation device according to claim 1, wherein said controller (6) is configured to determine said inhalation profile for said user from said determined information, and is further configured to determine, for said user, the heating profile based on said determined inhalation profile.
3. aerosol generation device according to claim 1, wherein said aerosol generation device (2) comprises a communication interface (18) arranged i) for transferring said determined information to a communication equipment (19) configured to determine said inhalation profile for said user from said determined information and then a heating profile based on said determined inhalation profile, and ii) for receiving at least said determined heating profile from said communication equipment (19), and wherein said controller (6) is configured for controlling the operation of said aerosol generation unit during a vaping session from said received heating profile.
4. aerosol generation device according to any preceding claim, wherein said calibration procedure is initiated in response to receipt of a trigger signal by the controller.
5. aerosol generation system (1), wherein the aerosol generating system comprises an aerosol generation device (2) according to any one of claims 1 to 4 and a capsule for user inhalations.
6. aerosol generation system according to claim 5, wherein said capsule comprises a coupling interface (13), intended to be received by said receiving interface (4) instead of said aerosol generation unit during the calibration procedure, and an air flow channel (14), allowing a user to inhale during said calibration procedure, and is a calibration capsule (3) that does not comprise any aerosol-forming substance and is incapable of generating aerosol.
7. aerosol generation system according to claim 6, wherein said aerosol generation device (2) is configured to initiate said calibration procedure after said calibration capsule (3) has been received by said receiving interface (4) and after having received a trigger signal.
8. aerosol generation system according to claim 7, wherein said calibration capsule (3) comprises:   (i) a radio-frequency identification element (21) storing a calibration information, and wherein said aerosol generation device (2) comprises a radio-frequency identification reader (22) arranged for reading said calibration information and for generating said trigger signal; or   (ii) a micro-controller (23) arranged for providing said trigger signal to said aerosol generation device (2) after said calibration capsule (3) has been received by said receiving interface (4); or   (iii) an emitter arranged for emitting waves representative of said trigger signal, and wherein said aerosol generation device (2) comprises a wave receiver arranged for receiving said emitted waves and for generating said trigger signal from said received waves.
9. aerosol generation system according to claim 7, wherein the aerosol generating system further comprises:   (i) an electronic sleeve (27) comprising a radio-frequency identification element (28) storing a calibration information, and wherein said aerosol generation device (2) comprises a radio-frequency identification reader (29) arranged for reading said calibration information and for generating said trigger signal; or   (ii) an electronic sleeve (27) comprising an emitter arranged for emitting waves representative of said trigger signal, and wherein said aerosol generation device (2) comprises a wave receiver arranged for receiving said emitted waves and for generating said trigger signal from said received waves.
10. aerosol generation system according to claim 7, wherein said aerosol generation device (2) comprises a user interface (30) arranged for allowing said user to trigger generation of said trigger signal.
11. aerosol generation system according to claim 7, wherein said aerosol generation device (2) comprises a wireless communication interface (18) arranged for having wireless communications with a communication equipment (19) configured to transmit said trigger signal.
12. aerosol generation system according to claim 5, wherein said capsule is an aerosol generating unit which contains an aerosol-forming substance and a heater, and wherein said controller (6) is arranged for preventing the heater from generating aerosol from said aerosol-forming substance when said user inhales during said calibration procedure.
13. a method of operating an aerosol generation device, the method comprising: determining, during a calibration procedure without aerosol generation, information from n user’s inhalations detected during said calibration procedure, with n > 1, said determined information being used for determining an inhalation profile for said user, obtaining a heating profile for said user based on said determined inhalation profile, and controlling, during a vaping session following said calibration procedure, operation of aerosol generation unit using said heating profile.
14. the method of claim 13, further comprising, during the calibration procedure, transferring said determined information to a communication equipment (19), and receiving at least one of said inhalation profile and said heating profile from said communication equipment.
15. a capsule for use with an aerosol generation device (2) according to any one of claims 1 to 4, wherein said capsule comprises a coupling interface (13), intended to be received by said receiving interface (4) instead of said aerosol generation unit during the calibration procedure, and an airflow channel (14), allowing a user to inhale during said calibration procedure, and is a calibration capsule (3) that does not comprise any aerosol-forming substance and is incapable of generating aerosol.


Abstract: [en] the invention relates to an aerosol generation device, in particular to an aerosol generation device comprising: a main body with a main housing; a touch area for detecting a touch operation, that forms part of the main housing, wherein the touch area comprises a capacitive layer with capacitive cells, for detecting a touch operation on the touch area, wherein at least a portion of the capacitive layer is translucent or preferably transparent to light; an led; and a light guide arranged in an area, that extends orthogonally from the touch area, and connected to the led such that light emitted from the led propagates through the light guide and further through the touch area.

[en]       claims   1. an aerosol generation device (too) comprising:   - a main body (200) with a main housing (300);   - a touch area (400) for detecting a touch operation, that forms part of the main housing (300), wherein the touch area (400) comprises a capacitive layer (410) with capacitive cells (411), for detecting a touch operation on the touch area (400), wherein at least a portion (412) of the capacitive layer (410) is translucent or preferably transparent to light;   - an led (500); and   - a light guide (600) arranged in an area (422), that extends orthogonally from the touch area (400), and connected to the led (500) such that light emitted from the led (500) propagates through the light guide (600) and further through the touch area (400).
2. the aerosol generation device (too) of claim 1, wherein the light guide (600) has a tubular shape, and connects to the translucent or preferably transparent portion (412) of the capacitive layer (410) in longitudinal direction of the light guide.
3. the aerosol generation device (too) of any one of the preceding claims, wherein the through area of the light guide (600) has a size between 100 percent and 600 percent preferably between 100 percent and 300 percent of the size of the surface of the led (500) directed towards the light guide (600).
4. the aerosol generation device (too) of any one of the preceding claims, wherein the led (500) is not visible through the translucent or preferably transparent portion (412) when the led (500) is not emitting light.
5. the aerosol generation device (loo) of any one of the preceding claims, wherein the led (500) is configured to emit light in response to a touch input of the user on the touch area (400).
6. the aerosol generation device (100) of any one of the preceding claims, wherein the light guide (600) comprises one or more bent portions.
7. the aerosol generation device (100) of any one of the preceding claims, wherein at least a portion of or preferably substantially the entire light guide (600) is arranged perpendicular to the capacitive layer (410).
8. the aerosol generation device (100) of any one of the preceding claims, wherein the light guide (600) is arranged such that a portion (610) of the light guide is arranged in the area (422) that extends orthogonally from the translucent or preferably transparent portion (412) of the capacitive layer (410); and a portion (620) of the light guide (600) is arranged in an area (423) that extends orthogonally from an opaque portion (413) of the capacitive layer (410).
9. the aerosol generation device (too) of claim 8, wherein the portion (610) of the light guide (600) which is arranged, in the area (422) that extends orthogonally from the translucent or preferably transparent portion (412) is arranged in parallel to the capacitive layer (410).
10. the aerosol generation device (too) of any one of the preceding claims, wherein the light guide (600) comprises an angular portion which is arranged such that it forms an angle with the capacitive layer (410) between io degrees and 8o degrees, preferably between 20 degrees and 700.
11. the aerosol generation device (too) of any one of the preceding claims, wherein the capacitive layer (410) comprises engraved portions (800) for collecting light passing through the capacitive layer (410).
12. the aerosol generation device (too) of any one of the preceding claims, comprising multiple leds (500) with corresponding one or more multiple light guides (600).
13. the aerosol generation device (too) of any one of the preceding claims, wherein the touch area (400) comprises an outer layer (430) which is translucent or preferably transparent to light; wherein an opaque silkscreened layer (420) is arranged in the touch area (400) to create the opaque portions (413) in the touch area (400).
14. the aerosol generation device (100) of any of the preceding claims, wherein the light guide (600) is configured to be deformable or preferably to be elastic.
15. the aerosol generation device (100) of any of the preceding claims, wherein the light guide (600) is arranged such that it extends through the capacitive layer (410), or preferably extends through the capacitive layer (410) and the outer layer (410).


Abstract: [en] an aerosol generation device configured to generate an aerosol from a consumable comprising an aerosol substrate and a heating element comprising an electrically conductive material. the aerosol generation device comprises: a housing comprising a chamber adapted to hold the consumable; and an electrical supply surface comprising first and second comb-shaped electrodes, arranged in the chamber, wherein, when the heating element is located against the electrical supply surface, the first and second comb-shaped electrodes are configured to supply electricity through the electrically conductive material in order to heat the aerosol substrate.

[en]       claims   1. an aerosol generation device configured to generate an aerosol from a consumable comprising aerosol substrate, the consumable further comprising a heating element comprising an electrically conductive material, the aerosol generation device comprising: a housing comprising a chamber adapted to hold the consumable; and an electrical supply surface comprising first and second comb-shaped electrodes, arranged in the chamber, wherein, when the heating element is located against the electrical supply surface, the first and second comb-shaped electrodes are configured to supply electricity through the electrically conductive material in order to heat the aerosol substrate.
2. an aerosol generation device according to claim 1 wherein, in the electrical supply surface, a plurality of teeth of the first comb-shaped electrode interlock with a plurality of teeth of the second comb-shaped electrode.
3. an aerosol generation device according to any preceding claim, wherein the electrical supply surface further comprises a third electrode isolated from the first electrode and configured to supply electricity through the electrically conductive material and the second electrode, wherein the first electrode and third electrode are configured to be individually activated to supply electricity through the electrically conductive material.
4. an aerosol generation device according to any preceding claim, wherein the chamber comprises: a base housing portion and a lid housing portion configured to move between an open position at which the consumable can be inserted and removed and a closed position where the consumable is surrounded by the chamber.
5. an aerosol generation device according to any preceding claim, wherein the chamber comprises an air inlet and an air outlet configured to allow air to flow through the chamber.
6. an aerosol generation device according to claim 5, wherein the electrical supply surface extends across the air inlet or the air outlet.
7. an aerosol generation device according to any preceding claim, wherein the chamber comprises a plurality of electrical supply surfaces configured to supply electricity through different areas of the heating element of the consumable.
8. an aerosol generation device according to any preceding claim, wherein the chamber comprises a compression element configured to compress the consumable against the electrical supply surface.
9. an aerosol generation system comprising an aerosol generating device according to any one of claims 1 to 8 and a consumable comprising aerosol substrate, the consumable further comprising a heating element comprising an electrically conductive material.
10. an aerosol generation system according to claim 9, wherein the consumable comprises a body of aerosol substrate and the heating element is an outer heating layer positioned adjacent to the body.
11. an aerosol generation system according to claim 10, wherein the body of aerosol substrate is surrounded by the heating layer around an axis.
12. an aerosol generation system according to claim 10 or claim 11, wherein the heating layer fully encases the body of aerosol substrate.
13. an aerosol generation system according to any of claims 9 to 12, wherein the electrically conductive material has a resistivity of at least 105 q/m.
14. an aerosol generation system according to any of claims 9 to 13, wherein the aerosol substrate comprises a loose material.
15. an aerosol generation system according to any of claims 9 to 14, wherein the electrically conductive material comprises carbon filament yarns such as kynol, a pyrolytic graphite sheet, and/or particles of graphite and/or charcoal.


Abstract: [en] a filter section for a smoking article, wherein the filter section comprises a cylindrical shape and extends from a distal to a mouth end, thereby creating a flow path for at least one fluid, wherein the filter section further comprises at least one filter material and a cavity, wherein the cavity is surrounded by the filter material. according to the invention the cavity comprises at least two compartments being in fluid connection to the filter section and blocked by a common breakable barrier, wherein each of the compartments comprises components for a mixture with a hydrophilic character to absorb water from the fluid flow path, wherein a first compartment comprises at least a first component and a second compartment comprises at least a second component, wherein the first component comprises a dispersed tobacco product and the second component comprises a fluid absorbent material.

[en]       claims   1. a filter section (1) for a smoking article (2), wherein the filter section (1) comprises a cylindrical shape and extends from a distal (3) to a mouth (4) end, thereby creating a flow path (f) for at least one fluid, wherein the filter section (1) further comprises at least one filter material (5) and a cavity (6), wherein the cavity (6) is surrounded by the filter material (5), characterized in that, the cavity (6) comprises at least two compartments (7a, b) being in fluid connection to the filter section (1) and blocked by a common breakable barrier (12), wherein each of the compartments (7a, b) comprises components (8) for a mixture (9) with a hydrophilic character to absorb water from the fluid flow path (f), wherein a first compartment (7a) comprises at least a first component (8a) and a second compartment (7b) comprises at least a second component (8b), wherein the first component (8a) comprises a dispersed tobacco product (10) and the second component (8b) comprises a fluid absorbent material (11).
2. filter section (1) according to claim 1, characterized in that the fluid absorbent material (11) inside at least one of the compartments (7a, b), comprises at least one superabsorbent polymer (sap) (11).
3. filter section (1) according to at least one of the preceding claims, characterized in that the sap (11) comprises starch aldehydes and citric acid.
4. filter section (1) according to claims 2 or 3, characterized in that the sap (11) comprises polysaccharides wherein carboxymethyl cellulose is used as an ingredient.
5. filter section (1) according to at least one of the preceding claims, characterized in that the compartments (7a, b), are separated by at least one breakable barrier (12), wherein the compartments (7a, b) and/or the breakable barrier (12) are surrounded by a breakable sleeve.
6. filter section (1) according to claim 1, characterized in that at least one of the compartments (7a, b) comprises at least one capsule (13), wherein the capsule (13) comprises a further component of the mixture (9).
7. filter section (1) according to at least one of the preceding claims, characterized in that the compartments (7a, b) are arranged in a way that they are surrounded by smoke and/or vapour flowing through the filter section (1) along the flow path (f).
8. filter section (1) according to claim 1, characterized in that the mixture (9) is a gel.
9. filter section (1) according to at least one of the preceding claims, characterized in that the filter material (5) comprises a porous structure which allows the mixture (9) to distribute inside the filter section (1).
10. a method for manufacturing a filter section (1) for a smoking article (2), wherein the filter section (1) comprises a cylindrical shape and extends from a distal (3) to a mouth (4) end, thereby creating a flow path (f) for at least one fluid, wherein the filter section (1) further comprises at least one filter material (5) such as cellulose acetate or other suitable materials, and a cavity (6), wherein the cavity (6) is surrounded by the filter material (5), comprising the following steps: providing the filter material (5); forming at least one cavity (6) inside the filter material (5); arranging a breakable barrier (12) to separate at least two compartments (8a, b); arranging one component (8a) into one compartment (7a); arranging a different component (8b) into the other compartment (7b); forming the filter section (1).
11. method according to claim 10, characterized by, arranging a further breakable barrier (12 c) to achieve a further compartment (7c).
12. method according to claims 10 and 11, characterized in that, the compartments (7a, b) are arranged inside the cavity (6) inside the filter material (5).
13. method according to at least one of the previous claims 11 to 13, characterized by, creating a breakable sleeve by coating the surface of the cavity (6) with a sealing material.
14. a smoking article (2) with a filter section (1) according to at least one of the claims 1-9, characterized in that, the cavity (6) comprises at least two compartments (7a, b) being in fluid connection to the filter section (1) and blocked by a common breakable barrier (12), wherein each of the compartments (7a, b) comprises components (8) for a mixture (9) with a hydrophilic character to absorb water from the fluid flow path (f), wherein a first compartment (7a) comprises at least a first component (8a) and a second compartment (7b) comprises at least a second component (8b), wherein the first component (8a) comprises a dispersed tobacco product (10) and the second component (8b) comprises a fluid absorbent material (11).
15. a smoking article (2) according to claim 14, characterized in that the fluid absorbent material (11) inside at least one of the compartments (7a, b), comprises at least one superabsorbent polymer (sap) (11).


Abstract: [en] an aerosol generating device includes a heating chamber for receiving an aerosol generating article and at least one inductively heatable susceptor mounted in the heating chamber such that there is an outer air gap between the susceptor and the chamber wall and, when an aerosol generating article is received in the heating chamber, there is an inner air gap between the susceptor and the aerosol generating article. when a user inhales through the aerosol generating article, incoming air flows through the inner and outer air gaps, absorbing heat from inner and outer surfaces of the susceptor, which results in efficient pre-heating of the air drawn into the aerosol generating article.

[en] 1. an aerosol generating device comprising: a heating chamber for receiving an aerosol generating article, the heating chamber comprising a chamber wall that defines an interior volume of the heating chamber; andat least one inductively heatable susceptor mounted in the interior volume of the heating chamber such that there is an outer air gap between the at least one inductively heatable susceptor and the chamber wall is received in the heating chamber, there is an inner air gap between the at least one inductively heatable susceptor and the aerosol generating article;wherein the heating chamber is open to the atmosphere at a proximal end and is closed at a distal end, the inner air gap providing a first air path from the proximal end to the distal end and the outer air gap providing a second air path from the proximal end to the distal end.
2. the aerosol generating device according to claim 1, wherein, when an aerosol generating article is received in the heating chamber, no part of the at least one inductively heatable susceptor is in contact with the aerosol generating article.
3. the aerosol generating device according to claim 1, wherein the at least one inductively heatable susceptor comprises a plurality of susceptors spaced circumferentially around an axis of the heating chamber.
4. the aerosol generating device according to claim 3, wherein each of the plurality of susceptors is in the form of a plate curved in an arc about the axis.
5. the aerosol generating device according to claim 1, further comprising a frame received in the heating chamber, the frame not being inductively heatable, and the at least one inductively heatable susceptor being mounted in the frame.
6. the aerosol generating device according to claim 5, wherein the frame comprises guides for centering an aerosol generating article in the heating chamber.
7. the aerosol generating device according to claim 5, wherein the frame comprises a seat for a distal end of an aerosol generating article.
8. a method of using the aerosol generating device according to claim 1, comprising: inserting at least part of an aerosol generating article into the heating chamber; anddrawing air through the aerosol generating article away from the distal end of the heating chamber, thereby causing incoming air to flow along the first air path and the second air path towards the distal end of the heating chamber.
9. the method according to claim 8, further comprising inductively heating the at least one inductively heatable susceptor to increase a temperature of incoming air as the air flows past the at least one inductively heatable susceptor along the first air path and along the second air path.
10. a method of assembling an aerosol generating device; the device comprising a heating chamber for receiving an aerosol generating article, the heating chamber comprising a chamber wall that defines an interior volume of the heating chamber, the heating chamber being open to the atmosphere at a proximal end and closed at a distal end;the method comprising:mounting one or more inductively heatable susceptors in a frame; andinserting the frame and the one or more inductively heatable susceptors into the heating chamber such that there is an outer air gap between each of the one or more inductively heatable susceptors and the chamber wall and, when an aerosol generating article is received in the heating chamber, there is an inner air gap between the one or more inductively heatable susceptors and the aerosol generating article, whereby the inner air gap provides a first air path from the proximal end to the distal end and the outer air gap provides a second air path from the proximal end to the distal end.