mhurhangee/patent-ind-claim-en huggingface dataset:
Process for preparing alpha-hydroxycarboxylic esters proceeding from hydrogen cyanide, characterized in that ammonia formed in the step of alcoholysis of the corresponding alpha-hydroxycarboxamide, after a purification step with activated carbon, is recycled still comprising at least one alkylamine into the hydrogen cyanide preparation process via the BMA or Andrussow process or an ammoxidation process.
A heat exchanger component comprising: a core portion comprising alternating first and second heat exchanging channels for exchange of heat between first fluid in the first heat exchanging channels and second fluid in the second heat exchanging channels, wherein the first heat exchanging channels and the second heat exchanging channels are configured to direct the first and second fluids along corresponding routes in the same direction or opposite directions; and a first ducting portion comprising first ducting channels for transfer of first fluid between a first fluid inlet/outlet and the first heat exchanging channels of the core portion and second ducting channels for transfer of second fluid between a second fluid inlet/outlet and the second heat exchanging channels of the core portion , wherein the first ducting channels provide a different flow path geometry to the second ducting channels , and the first fluid inlet/outlet is separate from, and not interleaved with, the second fluid inlet/outlet ; the first ducting channels are interleaved with the second ducting channels , characterised in that the first ducting channels are configured to direct the first fluid around a turn of at least 45 degrees; the second ducting channels are configured to direct the second fluid around a turn of at least 90 degrees. a core portion comprising alternating first and second heat exchanging channels for exchange of heat between first fluid in the first heat exchanging channels and second fluid in the second heat exchanging channels, wherein the first heat exchanging channels and the second heat exchanging channels are configured to direct the first and second fluids along corresponding routes in the same direction or opposite directions; and a first ducting portion comprising first ducting channels for transfer of first fluid between a first fluid inlet/outlet and the first heat exchanging channels of the core portion and second ducting channels for transfer of second fluid between a second fluid inlet/outlet and the second heat exchanging channels of the core portion , wherein the first ducting channels provide a different flow path geometry to the second ducting channels , and the first fluid inlet/outlet is separate from, and not interleaved with, the second fluid inlet/outlet ; the first ducting channels are interleaved with the second ducting channels , characterised in that the first ducting channels are configured to direct the first fluid around a turn of at least 45 degrees; the second ducting channels are configured to direct the second fluid around a turn of at least 90 degrees.
A furnace tunnel defining a flow channel for flue gas from a firebox (F) to pass to an open end of the tunnel , comprising: a longitudinal refractory structure (302; 402; 502; 602; 702) separating the flow channel from the firebox (F); a plurality of ports (300;400;500;600;700) formed in the refractory structure (302; 402; 502; 602; 702) for the flue gas to enter the flow channel from the firebox (F); a regular spacing pattern of the ports (300; 400; 500; 600; 700) along the length of the refractory structure (302; 402; 502; 602; 702); and a passage through each of the respective ports (300; 400; 500; 600; 700); wherein the refractory structure comprises blocks (312; 412; 512; 612; 712), wherein the ports (300; 400; 500; 600; 700) are integrally formed in at least some of the blocks (312; 412; 512; 612; 712), wherein perforated inserts (316; 416; 516; 616; 716) are received in the ports (300; 400; 500; 600; 700), and wherein perforations (320; 420; 520; 620; 720) in the perforated inserts (316; 416; 516; 616; 716) define cross-sectional flow areas through the respective passages and so corresponding flow conductivities of the ports; wherein the cross-sectional areas of the perforations (320; 420; 520; 620; 720) in the perforated inserts (316; 416; 516; 616; 716) are configured so as to provide relatively varied flow conductivities among the ports (300; 400; 500; 600; 700) to control flue gas entry into the flow channel. a longitudinal refractory structure (302; 402; 502; 602; 702) separating the flow channel from the firebox (F); a plurality of ports (300;400;500;600;700) formed in the refractory structure (302; 402; 502; 602; 702) for the flue gas to enter the flow channel from the firebox (F); a regular spacing pattern of the ports (300; 400; 500; 600; 700) along the length of the refractory structure (302; 402; 502; 602; 702); and a passage through each of the respective ports (300; 400; 500; 600; 700); wherein the refractory structure comprises blocks (312; 412; 512; 612; 712), wherein the ports (300; 400; 500; 600; 700) are integrally formed in at least some of the blocks (312; 412; 512; 612; 712), wherein perforated inserts (316; 416; 516; 616; 716) are received in the ports (300; 400; 500; 600; 700), and wherein perforations (320; 420; 520; 620; 720) in the perforated inserts (316; 416; 516; 616; 716) define cross-sectional flow areas through the respective passages and so corresponding flow conductivities of the ports; wherein the cross-sectional areas of the perforations (320; 420; 520; 620; 720) in the perforated inserts (316; 416; 516; 616; 716) are configured so as to provide relatively varied flow conductivities among the ports (300; 400; 500; 600; 700) to control flue gas entry into the flow channel.
A method of over-the-air testing of a transmission equipment , the method comprising: transmitting a transmission signal from the transmission equipment, wherein the transmission signal as transmitted comprises emissions in an in-band domain and emissions in an unwanted domain ; arranging a frequency selective surface to receive the transmission signal, wherein the frequency selective surface attenuates the transmission signal in the in-band domain of the transmission signal, and wherein the frequency selective surface allows propagation of the transmission signal in the unwanted domain of the transmission signal, and measuring in a measuring equipment a parameter of the transmission signal in the unwanted domain, wherein the frequency selective surface is arranged between the transmission equipment and the measuring equipment . transmitting a transmission signal from the transmission equipment, wherein the transmission signal as transmitted comprises emissions in an in-band domain and emissions in an unwanted domain ; arranging a frequency selective surface to receive the transmission signal, wherein the frequency selective surface attenuates the transmission signal in the in-band domain of the transmission signal, and wherein the frequency selective surface allows propagation of the transmission signal in the unwanted domain of the transmission signal, and wherein the frequency selective surface attenuates the transmission signal in the in-band domain of the transmission signal, and wherein the frequency selective surface allows propagation of the transmission signal in the unwanted domain of the transmission signal, and measuring in a measuring equipment a parameter of the transmission signal in the unwanted domain, wherein the frequency selective surface is arranged between the transmission equipment and the measuring equipment .
A method for earth fault protection in a medium and/or high voltage switchgear, the method comprising determining a residual current with Rogowski coil based three current sensors, wherein, each current sensor is placed in each current path of three current paths of the switchgear; characterized in that the method comprises digitizing and transforming voltage signals from each of the three current sensors to three phase currents comprising three current values and three associated phases of the three current values; and wherein, determining the residual current comprises determining a vector sum of the three phase currents. wherein, each current sensor is placed in each current path of three current paths of the switchgear; characterized in that the method comprises digitizing and transforming voltage signals from each of the three current sensors to three phase currents comprising three current values and three associated phases of the three current values; and wherein, determining the residual current comprises determining a vector sum of the three phase currents.
A method of using an RFID-enabled container comprising the steps of: providing at least one RFID tagged item and the RFID-enabled container having a display screen ; providing a reader; placing the at least one item into the RFID-enabled container; reading the item; and transmitting information to the display screen of the RFID-enabled container; wherein the RFID-enabled container comprises a near-field radio-frequency antenna (104; 806) disposed within a structural liner of the container; and the method being characterized in further comprising: activating the near-field radio-frequency antenna for a predetermined time period after motion in the RFID-enabled container has been detected by a field sensing motion detector of the RFID-enabled container; and deactivating the antenna after the predetermined time. providing at least one RFID tagged item and the RFID-enabled container having a display screen ; providing a reader; placing the at least one item into the RFID-enabled container; reading the item; and transmitting information to the display screen of the RFID-enabled container; wherein the RFID-enabled container comprises a near-field radio-frequency antenna (104; 806) disposed within a structural liner of the container; and the method being characterized in further comprising: activating the near-field radio-frequency antenna for a predetermined time period after motion in the RFID-enabled container has been detected by a field sensing motion detector of the RFID-enabled container; and deactivating the antenna after the predetermined time. activating the near-field radio-frequency antenna for a predetermined time period after motion in the RFID-enabled container has been detected by a field sensing motion detector of the RFID-enabled container; and deactivating the antenna after the predetermined time.
A PCB transformer comprising a core and planar PCB windings , wherein the core has two legs extending from a table, wherein the table exhibits tapering at its edge regions so as to be progressively thinner at the said edge regions, and wherein respective planar PCB windings extend around each of the two legs, and wherein the outer lateral planar dimensions of portions of the table overlying the planar PCB windings match substantially the outer lateral planar dimensions of the planar PCB windings , wherein there is substantial matching between the outer lateral planar dimensions of the said portions of the table and the outer lateral planar dimensions of the said planar windings in all regions except for the region of the table extending between the two legs, where the outer lateral planar dimension of the table is less than that of the said windings , and wherein the tapering is provided only in the regions of the said substantially matching outer lateral dimensions of the table and the windings.
An overload protection device for the hydraulic system of a mineral material machining plant, in particular for a rotary impact crusher, a jaw crusher or the like, wherein a hydraulic element equipped to store and/or convey a hydraulic fluid is provided, wherein the hydraulic element comprises a connection area having a passage opening for the hydraulic fluid of the hydraulic system, wherein the passage opening is covered by means of a replaceable burst panel , wherein a burst panel holder is disposed on the rear face of the burst panel facing away from the connection area , and wherein at least one fastening bolt is passed through a bolt mount (96.4) of the burst panel holder and through a bore of the burst panel disposed in alignment therewith and is bolted into a threaded mount of the connection area in such a way that in the assembled state the burst panel is held clamped between a pressure surface (96.2) of the burst panel holder and a connection surface (95.1) of the connection area , characterized in that at least one retaining element is provided, which, in a dismantling position, holds the burst panel holder to the hydraulic element, in particular at the connection area , when the at least one fastening bolt is unbolted from the threaded mount of the connection area and the burst panel is removed. wherein the hydraulic element comprises a connection area having a passage opening for the hydraulic fluid of the hydraulic system, wherein the passage opening is covered by means of a replaceable burst panel , wherein a burst panel holder is disposed on the rear face of the burst panel facing away from the connection area , and wherein at least one fastening bolt is passed through a bolt mount (96.4) of the burst panel holder and through a bore of the burst panel disposed in alignment therewith and is bolted into a threaded mount of the connection area in such a way that in the assembled state the burst panel is held clamped between a pressure surface (96.2) of the burst panel holder and a connection surface (95.1) of the connection area , characterized in that at least one retaining element is provided, which, in a dismantling position, holds the burst panel holder to the hydraulic element, in particular at the connection area , when the at least one fastening bolt is unbolted from the threaded mount of the connection area and the burst panel is removed.
A method for determining a change in flow rate of powder through a portion of a powder flow path , the method comprising: directing, by a light source , a light into said portion of said powder flow path ; detecting, by a light detector , intensity of light that passes through said portion of said powder flow path ; producing, by said light detector and during a flow of powder through said portion of said powder flow path , a time variant output signal in response to intensity of light from said light source that passes through said portion of said powder flow path ; and characterized in that the method for determining a change in flow rate of powder further comprises: determining a first average value of said time variant output signal from said light detector ; and determining a flow rate change condition by determining that the flow rate of powder through said portion of said powder flow path has changed during the flow of powder through said portion when an average value of said time variant output signal from said light detector has changed from said first average value. directing, by a light source , a light into said portion of said powder flow path ; detecting, by a light detector , intensity of light that passes through said portion of said powder flow path ; producing, by said light detector and during a flow of powder through said portion of said powder flow path , a time variant output signal in response to intensity of light from said light source that passes through said portion of said powder flow path ; and characterized in that the method for determining a change in flow rate of powder further comprises: determining a first average value of said time variant output signal from said light detector ; and determining a flow rate change condition by determining that the flow rate of powder through said portion of said powder flow path has changed during the flow of powder through said portion when an average value of said time variant output signal from said light detector has changed from said first average value. determining a first average value of said time variant output signal from said light detector ; and determining a flow rate change condition by determining that the flow rate of powder through said portion of said powder flow path has changed during the flow of powder through said portion when an average value of said time variant output signal from said light detector has changed from said first average value.
A screw top closure attachable to a container neck having cooperating screw-on features, the closure comprising: a closure body having a radial flange , defining a central aperture, and an annular skirt extending axially downward along an outer periphery of the radial flange; a collapsible spout having a first invertible cone section with a peripheral container plug seal sealingly engaging the radial flange, a second cone section defining a dispensing aperture along an inner facing, and at least one overcap engagement protrusion positioned on an outer facing of the first and/or second cone section(s) and wherein the first and second cone sections are contiguous so that, when the spout is collapsed, the second cone section nests within the first cone section so as to be at least partially coaxially nested within the annular skirt and, when the spout is extended, the second cone section extends axially above the first cone section; and an overcap attachable to the second cone section, the overcap having a top panel with an integral pull ring , a deformable skirt extending axially downward along an outer periphery of the top panel, and a child resistant protrusion positioned proximate to a terminal edge of the deformable skirt and wherein the child resistant protrusion engages the overcap engagement protrusion to selectively prevent removal of the overcap from the spout except when the deformable skirt is squeezed with sufficient force to disengage the child resistant and overcap protrusions. a closure body having a radial flange , defining a central aperture, and an annular skirt extending axially downward along an outer periphery of the radial flange; a collapsible spout having a first invertible cone section with a peripheral container plug seal sealingly engaging the radial flange, a second cone section defining a dispensing aperture along an inner facing, and at least one overcap engagement protrusion positioned on an outer facing of the first and/or second cone section(s) and wherein the first and second cone sections are contiguous so that, when the spout is collapsed, the second cone section nests within the first cone section so as to be at least partially coaxially nested within the annular skirt and, when the spout is extended, the second cone section extends axially above the first cone section; and an overcap attachable to the second cone section, the overcap having a top panel with an integral pull ring , a deformable skirt extending axially downward along an outer periphery of the top panel, and a child resistant protrusion positioned proximate to a terminal edge of the deformable skirt and wherein the child resistant protrusion engages the overcap engagement protrusion to selectively prevent removal of the overcap from the spout except when the deformable skirt is squeezed with sufficient force to disengage the child resistant and overcap protrusions.
A toilet pan, particularly of ceramic material, with a pan rim and a distribution apron that is open toward the bottom, wherein said distribution apron is arranged in front of an inflow opening and forms a deflection plate, wherein the pan rim has a circumferential projection , particularly a completely circumferential projection, which forms an apron-free water guideway that is fluidically connected to the distribution apron , wherein the projection has a horizontal first wall , which transforms into the deflection plate of the distribution apron , and the pan rim has a second wall that extends downward, and wherein the first and second walls delimit a hollow channel of the water guideway, which is open toward the side and toward the bottom, characterized in that the pan rim has a circumferential step , which delimits the hollow channel in the downward direction.
Wound dressing comprising a backing layer , an absorbent pad and a wound contact layer , wherein the backing layer comprises a water vapour-permeable and substantially liquid-impermeable film material, wherein the absorbent pad comprises an absorbent core having a proximal side and a distal side, and an envelope surrounding the absorbent core , the absorbent core comprising an absorbent material, and wherein the wound contact layer comprises a layer of a skin-friendly silicone adhesive , wherein the envelope comprises a first layer of a first liquid-permeable material and a second layer of a second material different from the first material, wherein the first layer of the envelope covers the proximal side of the absorbent core and wherein the second layer of the envelope covers the distal side of the absorbent core , and wherein the first layer of the envelope extends over the proximal side of the absorbent core and the second layer of the envelope extends over the distal side of the absorbent core each of them forming a border area surrounding the absorbent core , the first and second layer of the envelope being joined to each other along the border area surrounding the absorbent core , wherein the first and the second layer of the envelope comprise a material exhibiting thermoplastic properties and in that the first layer and the second layer of the envelope have been joined by a thermic process and therefore comprise a welding connection , characterized in that the welding connection comprises at least one non-continuous welding line .