Source: https://patents.google.com/patent/DE102015113142A1/en
Timestamp: 2020-01-24 17:06:07
Document Index: 83591787

Matched Legal Cases: ['art 12', 'art 14', 'art 14', 'art 14', 'art 12', 'art 14', 'art 14', 'art 100']

DE102015113142A1 - Thermal air conditioning device for a vehicle headrest - Google Patents
Thermal air conditioning device for a vehicle headrest
DE102015113142A1
DE102015113142A1 DE102015113142.0A DE102015113142A DE102015113142A1 DE 102015113142 A1 DE102015113142 A1 DE 102015113142A1 DE 102015113142 A DE102015113142 A DE 102015113142A DE 102015113142 A1 DE102015113142 A1 DE 102015113142A1
DE102015113142.0A
2014-08-19 Priority to US201462039125P priority Critical
2014-08-19 Priority to US62/039,125 priority
2015-08-10 Application filed by Gentherm Inc filed Critical Gentherm Inc
2016-02-25 Publication of DE102015113142A1 publication Critical patent/DE102015113142A1/en
A thermal seat air conditioning apparatus has a seat portion having an exhaust port configured to supply conditioned air to the neck area of a seat occupant. A thermoelectric module is disposed in the seat portion. The thermoelectric module is configured to both heat and cool an incoming air to provide the conditioned air.
This disclosure relates to a thermal air conditioning device for a vehicle headrest. A supply air is both heated and cooled by the thermal air conditioning device to supply conditioned air to a neck region of an occupant.
Vehicle manufacturers have increasingly incorporated features to improve comfort for the vehicle occupant. In such a feature, heated air is supplied to a neck area of the occupant through a headrest of the vehicle seat. In one arrangement, a back of the headrest has a large opening through a trim cover. The large opening attracts supply air to be heated by a heating element with a positive temperature coefficient. Through a discharge opening in a forward facing surface of the headrest heated air is released.
In an exemplary embodiment, a thermal seat air conditioning apparatus includes a seat portion having an exhaust port configured to supply conditioned air to the neck area of a seat occupant. A thermoelectric module is disposed in the seat portion. The thermoelectric module is configured to both heat and cool an incoming air to provide the conditioned air.
In a further embodiment of the foregoing, the seat portion includes a housing that provides a passage having a fluid inlet and first and second fluid outlets. The first fluid outlet provides the outflow opening.
In a further embodiment of any of the above, the thermoelectric module is disposed in the passage between the fluid inlet and the first and second fluid outlets.
In another embodiment of any of the above, a fan is provided in the housing configured to move fluid from the fluid inlet through the thermoelectric module to the first and second fluid outlets.
In a further embodiment of any of the foregoing, the seat portion includes an occupant support surface. The first fluid outlet is located in the occupant support surface and is configured to supply conditioned air to the neck area of the seat occupant. The second fluid outlet is located in a region remote from the occupant support surface and is configured to direct exhaust air away from the neck region of the seat occupant.
In a further embodiment of any of the foregoing, the seat portion has a core and a cushioning member is disposed about the core. The thermal conditioning module is supported relative to the core. A decorative cover is wrapped around the core, the upholstery element and the thermal air conditioning device.
In a further embodiment of any of the foregoing, the trim cover comprises a head support surface and first and second flaps operatively attached to one another at an underside of the seat portion. A first fluid outlet provides the exhaust port and is provided in the head support surface for supplying conditioned air to the neck region of the occupant. A second fluid outlet is provided in the bottom near each of the first and second doors and adapted to exhaust air in a direction away from the neck area of the occupant.
In another embodiment of any of the above, the thermoelectric module comprises a thermoelectric device having a main side and a drain side. The thermoelectric device is configured to provide heating and cooling in a heating mode and a cooling mode, respectively, at the main side based on a direction of current flow through the thermoelectric device. The main and the discharge heat exchanger are provided on the main and the discharge side.
In a further embodiment of any of the foregoing, the thermoelectric device comprises a heating element mounted on the main side heat exchanger. The heating element is configured to supply heat to the main side heat exchanger in a heating mode.
In another exemplary embodiment, a thermal climate control device for a seat includes a housing that provides a passage having a fluid inlet and first and second fluid outlets. A thermoelectric module is disposed in the passage between the fluid inlet and the first and second fluid outlets. Within the housing is a blower configured to move fluid from the fluid inlet through the thermoelectric module to the first and second fluid outlets. The first fluid outlet is designed to be located on an occupant support surface, and is configured to correspond to the first fluid outlet Neck area of a seat occupant supplies conditioned air. The second fluid outlet is located in a region remote from the occupant support surface and is configured to direct exhaust air away from the neck area of the seat occupant.
In another embodiment of any of the above, the passage is L-shaped and the fan is disposed at one end of the passage.
In a further embodiment of any of the foregoing, the second fluid outlet is formed by laterally spaced outflow apertures having backwardly inclined dividers and configured to direct exhaust air to the side and rearward from the first fluid outlet.
In a further embodiment of any of the above, the fluid inlet and the first fluid outlet are in fluid communication via a tube bend bent at an acute angle.
In a further embodiment of any of the foregoing, the housing is formed by first and second housing sections separating the first and second fluid outlets.
In a further embodiment of any of the foregoing, the first fluid outlet has an exhaust port slidably received in the first housing section and is configured to retain a decorative cover between the exhaust port and the first housing section.
In another exemplary embodiment, a seat headrest assembly includes a core supported by a post on a bottom side of the assembly. A cushion element is arranged around the core. A thermal air conditioning device is supported relative to the core. A decorative cover is wrapped around the core, the upholstery element and the thermal air conditioning device. The trim cover has a head support surface and first and second flaps operatively secured together at an underside of the assembly. A first fluid outlet is provided in the head support surface and configured to supply conditioned air to the neck region of an occupant. A second fluid outlet is provided in the bottom near the first and second doors and adapted to exhaust air in a direction away from the neck area of the occupant.
In a further embodiment of any of the above, the cushioning member has an opening which provides a boundary forming a cavity. The thermal air conditioning device has a fan disposed in the cavity. At least one of the flaps has a hole communicating with the cavity and configured to supply supply air to the thermal air conditioning device via the blower.
In a further embodiment of any of the foregoing, the hole is disposed between the posts.
In a further embodiment of any of the above, the first and second flaps are joined at a seam. The second fluid outlet is formed by spaced apart outflow openings located at opposite ends of the seam.
In a further embodiment of any of the foregoing, the first fluid outlet has an exhaust port slidably received in a housing in which the thermal air conditioning device is disposed. The discharge opening and the housing hold the decorative cover between them.
In another exemplary embodiment, a thermoelectric module has a thermoelectric device having a main side and a drain side. The thermoelectric device is configured to provide heating and cooling in a heating mode and a cooling mode, respectively, based on a direction of current flow through the thermoelectric device on the main side. A main and a discharge heat exchanger are provided on the main and the discharge side. A heating element is attached to the main side heat exchanger. The heating element is designed to supply heat to the main side heat exchanger in a heating mode.
In another embodiment of any of the above, the thermoelectric device is provided for providing the Peltier effect.
In a further embodiment of any of the foregoing, the heating element is a positive temperature coefficient heating element.
In a further embodiment of any of the foregoing, there is a circuit configured to control a direction of the current through the thermoelectric device to provide the heating and cooling modes. The circuit responds to at least one switch.
In a further embodiment of any of the above, the heating element has a Resistance heating element and a pulse width modulator.
The disclosure may be better understood by reference to the following detailed description when considered in conjunction with the accompanying drawings, in which:
1 FIG. 2 is a schematic illustration of an occupant on an exemplary vehicle seat; FIG.
2 FIG. 3 is a schematic view of an exemplary thermal air conditioning apparatus for a seating area such as a headrest; FIG.
3A to 3D represent different views of the headrest,
4A to 4C represent a first and a second flap of a headrest decorative cover with respect to an outflow opening of the thermal air conditioning device,
5A to 5C represent a housing of the thermal air conditioning device,
6A to 6C Cross sections of the in the 5A to 5C represent housing shown
7A to 7B Represent views of an exemplary thermoelectric module,
8th FIG. 4 is an exemplary circuit diagram used for selectively actuating heating and cooling modes of the thermal air conditioning apparatus.
The embodiments, examples, and alternatives of the preceding paragraphs, the claims and the description below, and the drawings, including any of their various aspects or individual features, may be considered independently or in any combination. Features described in connection with one embodiment are applicable to all embodiments unless such features are incompatible.
In 1 is an inmate 20 on a seat 10 shown. The seat 10 has a lower part 12 and a back part 14 on. In the example is a headrest 16 over posts 18 on the back part 14 carried. In the exemplary seat 10 Although a discrete headrest 16 shown, but it should be clear that the headrest 16 with the back part 14 can be integrated.
In a seat section of the seat 10 like the headrest 16 is a thermal air conditioning device 22 arranged. The thermal air conditioning device 22 is designed to air conditioned air to a neck area 24 of the occupant 20 passes. To the neck area 24 can also be the head and upper back of the occupant 20 belong.
In 2 FIG. 12 is a schematic view of an exemplary thermal air conditioning apparatus. FIG 22 shown. The thermal air conditioning device 22 has a housing 26 on, that one passage 28 provides. About the passage 28 becomes a supply air 1 from a fluid inlet 30 through one in the passage 28 arranged thermoelectric module 36 to a first and a second fluid outlet 32 . 34 passed, which are separated from each other. In the passage 28 is a fan 38 arranged to move the fluids through the housing 26 to move. About the first fluid outlet 32 becomes the neck area 24 of the occupant provided an conditioned air C. Via the second fluid outlet 34 An exhaust air W flows in a direction away from the conditioned air C and the supply air I from.
An input device 40 stands with the thermoelectric module 36 and the blower 38 to selectively provide a heating and a cooling mode, which is the neck area 24 provide warmed conditioned air or cooled conditioned air. To the thermoelectric module 36 and the fan 38 is an energy source 46 connected via the input device 40 is pressed. In one example, the input device 40 a heating and a cooling switch 42 . 44 that of the occupant 20 be pressed and run the heating or the cooling mode, as well as a control unit 45 on which the operation of the thermoelectric module 36 and the blower 38 based on inputs from the cooling switches 42 . 44 controls. The control unit 45 may include a processor and a non-volatile memory in which a machine-readable code for controlling the operation is stored. In various examples, the control unit is 45 in the lower part 12 , the back part 14 or the blower 38 integrated.
With respect to the hardware architecture, such a controller may include a processor, memory, and one or more input and / or output device interface (s) (I / O device interface (s)) that are in communication communication via a local interface. The local interface may include, for example, one or more buses and / or other wired or wireless connections. The local interface may have additional elements for the sake of simplicity are omitted, such as controllers, buffers (caches), drivers, repeaters and receivers to allow transfers. The local interface may further include address, control and / or data connections to facilitate transmissions between the above-mentioned components.
The control unit may be a hardware device for executing software, in particular software stored in the memory. The processor may be a custom-made or commercially available processor, a central processing unit (CPU), an auxiliary processor among a plurality of processors associated with the controller, a semiconductor-based microprocessor (in the form of a microchip or chipset), or any device for executing software instructions in general.
The memory may be any or a combination of volatile memory elements (e.g., Random Access Memory (RAM) such as DRAM, SRAM, SDRAM, VRAM, etc.) and / or nonvolatile memory elements (e.g., ROM (e.g. Read-only memory) etc.). Electronic, magnetic, optical and / or other types of storage media may also be included in the memory. The memory may also have a distributed architecture where various components are located remotely but the control unit can access them.
The software in memory may include one or more separate programs, each of which has an ordered listing of executable instructions for performing logical functions. A software component may also be configured as a source program, executable program (object code), script, or any other entity comprising a set of instructions to be executed. When the program is formed as a source program, it is translated via a compiler, an assembler, an interpreter, or the like, which may or may not be included in the memory.
Input / output devices that may be connected to one or more system I / O interfaces may include input devices such as, but not limited to, a scanner, microphone, camera, proximity device, etc. To the input / output device. Output devices may also include output devices, including, but not limited to, a display device, etc. Finally, the input / output devices may further include devices that communicate both as inputs and as outputs, for example, but not limited to, a modulator / demodulator (for accessing another device, another system or network), a radio frequency (RF ) - or another transceiver, a network connector, a router, etc ..
When the controller is in operation, the processor may be configured to execute software stored in the memory, transfer data to and from the memory, and control overall operations of the computing device in accordance with the software. Software in memory is read in whole or in part by the processor, possibly cached in the processor and then executed.
The thermoelectric module 36 provides both heating and cooling. In one example, the thermoelectric module 36 a thermoelectric device 48 on, which is a main heat exchanger 50 and a waste heat exchanger 52 Has. The thermoelectric device 48 is designed to be based on a direction of current flow through the thermoelectric device 48 provides heating or cooling in a heating mode or a cooling mode, respectively. At the main heat exchanger 50 is a heating element to provide additional heating 54 appropriate.
With reference to the 3A to 3D has the headrest 16 a core 56 on, which is designed to cushion an impact of the head of the occupant in the event of a vehicle impact. The core shown in review 56 is at the post 18 assembled. In seats where the headrest has been integrated into the backrest, the posts can 18 be omitted. A cushion element 58 , usually foam, is around the core 56 wrapped, and a decorative cover 60 is about the upholstery element 58 arranged.
How best in 3B is shown in a head support surface 63 the headrest 16 an outflow opening 62 intended for conditioned air. In a bottom 61 the headrest 16 is a discharge opening 78 , in the example, two outflow openings, provided. The supply air I passes through the bottom 61 one.
The housing 26 is overall L-shaped and at the bottom and the back of the headrest 16 adjacent to the core 56 arranged.
In the 3C and 3D is the headrest 16 with removed decorative cover 60 represented, whereby the upholstery element 58 exposed. The upholstery element 58 has an opening 64 on that a limit 66 that offers a cavity 68 forms. Part of the housing 26 is in the opening 64 arranged and from the boundary 66 and the decor cover 60 spaced so that the supply air 1 in an opening 70 of the housing 26 can flow. About the opening 70 can be webs 72 extend to the decor cover 60 to support and to prevent the decorative cover 60 in the opening 70 is pressed when it is deflected inwards.
A pigtail 74 with a connector 76 provides electrical signals to the thermal air conditioning device 22 , In one example, at least one of the posts 18 hollow and is the pigtail 74 through the at least one of the posts 18 in the back part 14 guided.
With reference to the 4A to 4C is the bottom 61 the headrest 16 shown in more detail. An exemplary decor reference 60 has a first and a second flap 80 . 82 on that at the bottom 61 are joined together and thus provide a connection seam. The first and the second flap 80 . 82 have a first and a second bracket 84 . 86 on, which work together to the first and the second flap 80 . 82 to attach to each other and around the cores 56 , the upholstery element 58 and the thermal air conditioning device 22 to enclose. The discharge opening 78 is arranged at lateral openings, which are close to the connecting seam of the first and the second flap 80 . 82 are provided so that the outflow openings 78 slightly protrude or at least partially exposed to the exhaust air W unhindered from the bottom 61 dissipate.
In the example are in the second flap 82 holes 88 provided to the cavity 66 the supply air 1 be forwarded. As a result, the back of the headrest 16 appealing to the vehicle's rear occupants. As a result, a padding can be arranged on the back of the headrest, which provides protection in the event of a collision of the rear occupant on the back of the headrest.
With reference to the 5A to 6C is the case 26 shown in more detail. The housing 26 , which can be made of plastic, is made up of several sections; However, it should be clear that the case 26 may be constructed of fewer or a larger number of components than shown. The housing 26 has a first and a second section 90 . 92 on, which are attached to each other. The discharge opening 62 for conditioned air is in an opening in the first housing section 90 added. The first and the second housing section 90 . 92 are around the thermoelectric module 36 attached to each other around. Above the first housing section 90 is a plate 98 attached to the insertion and removal of the heating element 54 relative to the housing 26 to facilitate. In an alternative example, the plate is 98 integral with the first housing section 90 educated. The second housing section 92 represents the discharge opening 78 ready. An arranged at an acute angle pipe bend 94 represents the flow connection of the thermoelectric module 36 with a blower housing 96 ready in which the blower 38 is included, which is not shown for clarity. In the example, isolated pits or cavities 95 in the second housing section 92 are formed, an air chamber or a thermal barrier ready, which is a heat transfer between the first and the second housing portion 90 . 92 inhibits.
Regarding 6B is the outflow opening 62 for conditioned air displaceable in the first housing section 90 added to the mounting of the headrest 16 to facilitate. In the example, the outflow opening 62 for air conditioned air a head start 100 on, with one or more recesses 102 in the first housing section 90 cooperates, so when installing in the headrest 16 the discharge opening 62 for conditioned air.
The second housing section 92 has a curved wall 104 on, the exhaust air W to the split double outflow openings 78 passes. The outlet openings 78 have several inclined dividers 106 which are inclined backwards to the exhaust air W from the front of the headrest 16 and the neck area 24 of the occupant to the side and to the rear.
The thermoelectric module 36 is in the 7A and 7B shown in more detail. The thermoelectric device 48 has a main page 108 and a drainage side 110 on, the main and the waste heat exchanger 50 . 52 to store. In the example, the main heat exchanger 50 wavy main ribs 112 on and has the waste heat exchanger 52 corrugated discharge ribs 114 on. The ribs may be formed of a thin copper material. The main ribs 112 have a border 116 on, with which the heating element 54 using a material 118 thermally coupled or attached. In one example, the material may 118 a solder, and in another example, the material 118 to be a thermal grease.
In 8th is an exemplary circuit 119 showing the thermal air conditioning device 22 powered. The circuit 119 has a first, a second, a third and a fourth switch 120 . 122 . 124 respectively. 126 on, for example, in the heating and cooling switches 42 respectively. 44 , the control unit 45 or a combination thereof. In operation, in the cooling mode, the first and third switches are 120 . 124 "Off" and the second and fourth switches 122 . 126 "one". In this embodiment, the heating element 54 bridged by short circuit, and the current flow through the thermoelectric device 48 provides cooling of the main heat exchanger using the Peltier effect 50 ready. The fan 38 is also either directly or using additional circuitry in the control module 45 controlled with power. The waste heat exchanger 52 is hot and provides warm exhaust air W available.
In heating mode, the first and third switches are 120 . 124 "On" and the second and fourth switches 122 . 126 "out". In this embodiment, the current flow through the thermoelectric device 48 conversely, to a heating at the main heat exchanger 50 provide. The heating element 54 is also so supplied with electricity that heat from the heating element 54 also to the main heat exchanger 50 is rejected. The fan 38 is also either directly or using additional circuitry in the control module 45 controlled with power. The waste heat exchanger 52 is cool and provides cool exhaust air W.
In one example, the heating element 54 a positive temperature coefficient (PTK) heating element that controls its own temperature. If a resistance heating element is desired, can be used to control the heating element 54 a modulator 128 be used with pulse width modulation (PWM).
In one example, the controller is 45 functionally with the energy source 46 and the switches 120 . 122 . 124 . 126 independently couples and controls an amount of power to the blower 38 , the thermoelectric device 48 and the heating element 54 from the energy source 46 is delivered.
It should also be understood that while a particular component arrangement is disclosed in the illustrated embodiment, this is useful to other arrangements. While certain sequences of steps are shown, described and claimed, it should be understood that steps may be performed, separated or combined in any order, unless otherwise specified, and still benefit from the present invention.
While the various examples have specific components shown in the drawings, embodiments of this invention are not limited to these particular combinations. It is possible to use some of the components or features of one of the examples in combination with features or components of another of the examples.
While an exemplary embodiment has been disclosed, those of ordinary skill in the art will recognize that certain modifications fall within the scope of the claims. For that reason, the following claims should be studied to determine their true scope and content.
Thermal seat air conditioning device with: a seat portion having an exhaust port adapted to supply conditioned air to the neck area of a seat occupant, and a thermoelectric module disposed in the seat portion, the thermoelectric module configured to both heat and cool an input air to provide the conditioned air.
The thermal seat climate control apparatus of claim 1, wherein the seat portion includes a housing that provides a passage having a fluid inlet and first and second fluid outlets, and the first fluid outlet provides the outflow opening.
The thermal seat air conditioning apparatus of claim 2, wherein the thermoelectric module is disposed in the passage between the fluid inlet and the first and second fluid outlets.
A thermal seat air conditioning apparatus according to claim 2, further comprising a blower disposed in the housing adapted to move fluid from the fluid inlet through the thermoelectric module to the first and second fluid outlets.
The thermal seat air conditioning apparatus according to claim 2, wherein the seat portion has an occupant support surface and the first fluid outlet is located in the occupant support surface and configured to supply conditioned air to the neck area of the seat occupant, and the second fluid outlet is located in an area remote from the occupant support surface and configured to exhaust air from the neck area of the seat occupant.
The thermal seat air conditioning apparatus according to claim 1, wherein the seat portion includes a core and a cushioning member disposed around the core, the thermal conditioning module is supported relative to the core, and a trim cover is wrapped around the core, the cushioning member, and the thermal air conditioning device.
A thermal seat air conditioning apparatus according to claim 6, wherein the trim cover comprises a head support surface and first and second flaps operatively attached to each other at a bottom of the seat portion, a first fluid outlet providing the outflow opening and provided in the head support surface Neck region of the occupant to supply the conditioned air, and a second fluid outlet in the bottom is provided respectively near the first and the second flap and designed so that it discharges exhaust air in a direction away from the neck region of the occupant.
The thermal seat air conditioning apparatus according to claim 1, wherein the thermoelectric module includes a thermoelectric device having a main side and a drain side, the thermoelectric device configured to heat and cool at the main side based on a direction of current flow through the thermoelectric device provides a heating mode or a cooling mode, wherein the main and the discharge-side heat exchanger are provided on the main and the discharge side.
The thermal seat air conditioning apparatus according to claim 8, wherein the thermoelectric device has a heating element attached to the main side heat exchanger, and the heating element is configured to supply heat to the main side heat exchanger in a heating mode.
Thermal air conditioning device for a seat, comprising: a housing providing a passageway having a fluid inlet and first and second fluid outlets, a thermoelectric module disposed in the passage between the fluid inlet and the first and second fluid outlets, a blower located in the housing and configured to move fluid from the fluid inlet through the thermoelectric module to the first and second fluid outlets, wherein the first fluid outlet is configured to be on an occupant support surface and configured to supply conditioned air to the neck region of a seat occupant, and the second fluid outlet is located in a region remote from the occupant support surface and configured to it leads exhaust air away from the neck area of the seat occupant.
A thermal air conditioning apparatus according to claim 10, wherein the passage is L-shaped and the fan is disposed at one end of the passage.
A thermal air conditioning apparatus according to claim 11, wherein the second fluid outlet is formed by laterally spaced discharge ports having backwardly inclined dividers and configured to direct exhaust air sideways and rearwardly away from the first fluid outlet.
A thermal conditioning apparatus according to claim 11, wherein the fluid inlet and the first fluid outlet are in fluid communication via a pipe bend bent at an acute angle.
The thermal conditioning apparatus of claim 11, wherein the housing is formed by first and second housing sections separating the first and second fluid outlets.
The thermal air-conditioning device of claim 14, wherein the first fluid outlet has an exhaust port slidably received in the first housing portion and configured to retain a trim cover between the exhaust port and the first housing portion.
Seat headrest assembly with: a core carried by a post at an underside of the assembly, a cushion element arranged around the core, a relative to the core mounted thermal air conditioning device, a trim cover wrapped around the core, the cushioning member and the thermal air conditioning device, the trim cover having a head support surface and first and second flaps operatively attached to one another at an underside of the assembly; a first fluid outlet provided in the head support surface and adapted to supply conditioned air to the neck region of an occupant, and a second fluid outlet provided in the underside proximate the first and second flaps and adapted to exhaust air into a direction away from the neck area of the occupant dissipates.
The seat headrest assembly of claim 16, wherein the cushioning member has an opening that provides a boundary defining a cavity, the thermal conditioning apparatus has a fan disposed within the cavity, and at least one of the flaps has a hole in fluid communication with the cavity is designed so that it supplies the thermal air conditioning device via the fan supply air.
A seat headrest assembly according to claim 17, wherein the hole is disposed between the posts.
The seat post support assembly of claim 16, wherein the first and second flaps are joined at a seam and the second fluid outlet is formed by spaced outflow apertures disposed at opposite ends of the seam.
The seat headrest assembly of claim 16, wherein the first fluid outlet has an exhaust port slidably received in a housing in which the thermal air conditioning device is disposed, the exhaust port and the housing retaining the trim cover therebetween.
Thermoelectric module with: a thermoelectric device having a main side and a drain side, wherein the thermoelectric device is configured to provide heating and cooling in a heating mode and a cooling mode, respectively, based on a direction of current flow through the thermoelectric device on the main side; a main and a discharge-side heat exchanger, which are provided on the main and the discharge side, and a heating element mounted on the main side heat exchanger, wherein the heating element is adapted to supply heat to the main side heat exchanger in a heating mode.
A thermoelectric module according to claim 21, wherein the thermoelectric device is provided for providing the Peltier effect.
A thermoelectric module according to claim 21, wherein the heating element is a positive temperature coefficient heating element.
A thermoelectric module according to claim 21, comprising a circuit adapted to control a direction of current through the thermoelectric device to provide the heating and cooling modes, the circuit responsive to at least one switch.
A thermoelectric module according to claim 21, wherein the heating element comprises a resistance heating element and a pulse width modulator.
DE102015113142.0A 2014-08-19 2015-08-10 Thermal air conditioning device for a vehicle headrest Pending DE102015113142A1 (en)
US201462039125P true 2014-08-19 2014-08-19
US62/039,125 2014-08-19
DE102015113142A1 true DE102015113142A1 (en) 2016-02-25
ID=55274013
DE102015113142.0A Pending DE102015113142A1 (en) 2014-08-19 2015-08-10 Thermal air conditioning device for a vehicle headrest
US (2) US10071612B2 (en)
JP (1) JP6599170B2 (en)
KR (1) KR20160022272A (en)
CN (1) CN105365623A (en)
DE (1) DE102015113142A1 (en)
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2015-08-10 DE DE102015113142.0A patent/DE102015113142A1/en active Pending
2015-08-12 US US14/824,154 patent/US10071612B2/en active Active
2015-08-19 JP JP2015161477A patent/JP6599170B2/en active Active
2015-08-19 KR KR1020150116424A patent/KR20160022272A/en unknown
2015-08-19 CN CN201510509716.9A patent/CN105365623A/en active Search and Examination
2018-08-08 US US16/057,891 patent/US10513163B2/en active Active
JP6599170B2 (en) 2019-10-30
JP2016043925A (en) 2016-04-04
US20160052362A1 (en) 2016-02-25
US10513163B2 (en) 2019-12-24
KR20160022272A (en) 2016-02-29
US20190054796A1 (en) 2019-02-21
US10071612B2 (en) 2018-09-11
CN105365623A (en) 2016-03-02
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