US20070040421A1 - Seat assembly having an air plenum member - Google Patents
Seat assembly having an air plenum member Download PDFInfo
- Publication number
- US20070040421A1 US20070040421A1 US11/161,898 US16189805A US2007040421A1 US 20070040421 A1 US20070040421 A1 US 20070040421A1 US 16189805 A US16189805 A US 16189805A US 2007040421 A1 US2007040421 A1 US 2007040421A1
- Authority
- US
- United States
- Prior art keywords
- air plenum
- plenum member
- air
- seat assembly
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000006260 foam Substances 0.000 claims abstract description 17
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims description 20
- 239000004743 Polypropylene Substances 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 239000002985 plastic film Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000003570 air Substances 0.000 description 79
- 230000001143 conditioned effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
Definitions
- the invention relates to a seat assembly having an air plenum member, and to a method of making such a seat assembly.
- a seat assembly may be provided with an air distribution system for routing air through the seat assembly.
- one known seat assembly includes an air plenum positioned in a foam seat cushion.
- the air plenum has a top polyester scrim layer adhesively attached to a bottom foam base.
- the scrim layer includes a polyester mesh attached to a polyester film, and adhesive material for attaching the scrim layer to the foam base.
- the scrim layer further has multiple apertures for allowing air to pass through the scrim layer.
- a seat assembly for use with a motor vehicle.
- the seat assembly includes a seat cushion having a recess, and an air plenum member disposed in the recess for routing air through at least a portion of the seat cushion.
- the air plenum member has a first portion that comprises foam, and a second portion that is attached to the first portion and that comprises a polyolefin sheet.
- the seat assembly further includes a cover layer covering the air plenum member and the seat cushion.
- the seat assembly includes a seat cushion having a recess, and an air plenum member disposed in the recess for routing air through at least a portion of the seat cushion.
- the air plenum member has a first portion that comprises foam, and a second portion that comprises a plastic sheet heat staked to the first portion such that the second portion is fused with the first portion, thereby forming a seal along at least a portion of a junction of the first and second portions.
- the seat assembly further includes a cover layer covering the air plenum member and the seat cushion.
- a method of making a seat assembly includes the steps of positioning together first and second portions of an air plenum member, the first portion comprising foam and the second portion comprising a plastic sheet; heat bonding the second portion to the first portion such that a seal is formed along at least a portion of a junction of the first and second portions; positioning the air plenum member in a recess of a seat cushion; and positioning a cover layer over the air plenum member and the seat cushion.
- the air plenum member is configured to route air through at least a portion of the seat cushion.
- FIG. 1 is a perspective view of a seat assembly according to the invention, wherein the seat assembly includes a seat bottom and a seat back pivotally attached to the seat bottom;
- FIG. 2 is an exploded perspective view of the seat bottom showing a support member, a seat cushion having a recess, an air plenum member that is disposable in the recess, and a trim cover for covering the seat cushion and air plenum member;
- FIG. 3 is a cross-sectional view of the seat bottom taken along line 3 - 3 of FIG. 1 and viewed in the direction of the arrows;
- FIG. 4 is an exploded perspective view of the air plenum member
- FIG. 5 is a fragmentary cross-section view of the air plenum member.
- FIG. 1 shows a seat assembly 10 according to the invention for use with a motor vehicle.
- the seat assembly 10 includes a seat bottom 12 and a seat back 14 pivotally connected to the seat bottom 12 .
- the seat bottom 12 and seat back 14 are each provided with an air plenum member 16 .
- the seat assembly 10 may be provided with a single air plenum member 16 positioned in either the seat bottom 12 or seat back 14 .
- the seat bottom 12 includes a support member 18 , such as a seat pan and/or seat frame, a seat cushion 20 supported by the support member 18 and configured to receive the air plenum member 16 , and a cover layer or trim cover 22 covering the air plenum member 16 , support member 18 and seat cushion 20 .
- a support member 18 such as a seat pan and/or seat frame
- a seat cushion 20 supported by the support member 18 and configured to receive the air plenum member 16
- a cover layer or trim cover 22 covering the air plenum member 16 , support member 18 and seat cushion 20 .
- the seat cushion 20 may be made of any suitable material, such as foam, and includes a recess 24 formed therein for receiving the air plenum member 16 . While the recess 24 may have any suitable configuration that corresponds to the configuration of the air plenum member 16 , in the embodiment shown in FIG. 2 , the recess 24 includes multiple trenches or channels 26 .
- the seat cushion 18 may further include a duct or passage 28 through which air may pass. In the embodiment shown in FIGS. 2 and 3 , the passage 28 extends from the recess 24 to a lower surface 30 of the seat cushion 20 .
- the air plenum member 16 is disposed in the recess 24 and is configured to route air through at least a portion of the seat cushion 20 .
- the air plenum member 16 may route temperature conditioned air and/or ambient air toward or away from the cover layer 22 .
- the air plenum member 16 may function as an air distribution device or an air collection device.
- the air plenum member 16 may have any suitable configuration for routing air through the seat cushion 20 .
- the air plenum member 16 may have one or more legs or branches 32 that define one or more passages or channels 34 for directing air through the seat cushion 20 .
- the air plenum member 16 of the seat bottom 12 has a generally H-shaped configuration having multiple branches 32 extending from a main body 35 .
- the air plenum member 16 may have a generally U-shaped or X-shaped configuration.
- the air plenum member 16 includes a foam first portion 36 , such as a base or bottom portion, and a second portion 38 , such as a cover or top portion, that comprises a flexible plastic sheet attached to the first portion 36 to form an air plenum or chamber.
- the first portion 36 may comprise any suitable foam, such as polyurethane foam or an expanded plastic
- the second portion 38 may comprise any suitable plastic sheet, such as a non-expanded polyolefin plastic sheet.
- the second portion 38 comprises a plastic film, such as a polypropylene film having a thickness in the range of 0.1 to 0.4 inches.
- the second portion 38 comprises a nonwoven plastic layer, such as a polypropylene nonwoven scrim layer having a thickness in the range of 0.005 to 0.01 inches.
- the second portion 38 also includes multiple apertures 39 for allowing air to pass through the second portion 38 , which may be otherwise air-impermeable.
- the second portion 38 may be attached to the first portion 36 in any suitable manner, such as with an adhesive, in one embodiment, the second portion 38 is heat staked or heat bonded to the first portion 36 .
- the second portion 38 may be vibration welded, sonic welded, or otherwise heat fused to a connection area, such as flange 40 , of the first portion 36 .
- Such an attachment means may provide a durable airtight seal along the entire junction, or at least a portion thereof, between the portions 36 and 38 .
- the air plenum member 16 may be configured to route temperature conditioned air and/or ambient air toward or away from the trim cover 22 .
- the air plenum member 16 may be in fluid communication with a fan 41 that provides temperature conditioned air and/or cabin air to the air plenum member 16 .
- the fan 41 may provide temperature conditioned air and/or cabin air through the passage 28 and to the air plenum member 16 , which may then route the air to the trim cover 22 such that the air may pass through the trim cover 22 and to a seat occupant.
- the fan 41 may function as a positive pressure source that is coupled to the air plenum member 16 .
- the fan 41 may be provided as part of the seat assembly 10 , or the fan 41 may be a separate component that is mounted to the vehicle proximate to or remotely from the seat assembly 10 . In the embodiment shown in FIG. 3 , for example, the fan 41 is mounted to the support member 18 of the seat bottom 12 .
- Temperature conditioned air may be provided by a heating and/or cooling element 42 , such as a Peltier element or other thermoelectric device, that is mounted to the seat assembly 10 , such as to the support member 18 , or to the vehicle.
- temperature conditioned air may be provided by a vehicle heating, ventilating and air-conditioning system (HVAC system, not shown) that is coupled to the air plenum member 16 by a duct (not shown).
- HVAC system vehicle heating, ventilating and air-conditioning system
- the fan 41 may be configured to draw cabin air through the trim cover 22 and into the air plenum member 16 . More specifically, the fan 41 may function as a negative pressure source that is coupled to the air plenum member 16 via the passage 28 . When activated, the fan 41 may draw cabin air through the trim cover 22 , into the air plenum 16 , and then through the passage 28 .
- the trim cover 22 may be made of any suitable material that is sufficiently permeable to allow air to pass therethrough.
- the trim cover 22 may comprise an appearance or contact layer 44 made of air-permeable fabric, perforated vinyl, and/or perforated leather.
- the trim cover 22 may also be provided with or without a permeable padding layer 46 , such as a permeable foam layer.
- a heating element 48 may be integrated into the trim cover 22 if desired.
- the heating element 48 may be bonded to an underside of the padding layer 46 , or sandwiched between the contact layer 44 and padding layer 46 .
- the heating element 48 may be provided as a separate component that is positioned between the trim cover 22 and air plenum member 16 .
- the seat bottom 12 may also include one or more additional layers (not shown) positioned between the air plenum member 16 and the trim cover 22 .
- the seat bottom 12 may include an additional permeable padding layer, such as a foam layer (not shown), and/or a sensor mat (not shown) for detecting the presence of a seat occupant.
- the method involves forming the portions 36 and 38 of the air plenum member 16 in any suitable manner.
- the first portion 36 may be formed of air-impermeable, sufficiently rigid foam that is molded into a desired shape
- the second portion 38 may be die cut from a roll of flexible plastic material, such as a roll of non-woven polypropylene fibers, polypropylene film, or polyethylene film.
- the portions 36 and 38 may be positioned together and attached together such that the second portion 38 overlaps edges of the first portion 36 .
- the portions 36 and 38 may be attached together in any suitable manner to provide a sufficient seal between the portions 36 and 38 .
- the method involves heat staking the second portion 38 to the first portion 36 such that the portions 36 and 38 fuse together and form a seal along a junction of the portions 36 and 38 .
- the portions 36 and 38 may be vibration welded, sonic welded, or otherwise heat fused together using an attachment apparatus, such as welding apparatus 49 .
- Such an attachment means provides a highly durable connection between the portions 36 and 38 , and may also provide an air-tight seal along the entire junction of the portions 36 and 38 .
- the second portion 38 may also be trimmed if desired to reduce or eliminate any overhang of the second portion 38 relative to the first portion 36 .
- the second portion 38 may be configured to extend between adjacent branches 32 of the air plenum member 16 .
- the air plenum member 16 may then be positioned in the recess 24 of the seat cushion 20 such that an opening 50 , which may be an inlet or an outlet of the air plenum member 16 , depending on the direction of air flow, is in fluid communication with the passage 28 .
- the air plenum member 16 may also be attached to the seat cushion 20 if desired.
- the air plenum member 16 may be adhesively bonded to the seat cushion 20 .
- the seat cushion 20 may be mounted on the support member 18 before or after the air plenum member 16 is positioned in the recess 24 . Furthermore, the fan 41 , heating and/or cooling element 42 and associated ducts, if included, may be mounted to the support member 18 at any suitable time. The method next involves positioning the trim cover 22 over the air plenum member 16 , support member 18 , and seat cushion 20 .
- polypropylene in the second portion 38 of the air plenum member 16 may provide several advantages. For example, polypropylene resists shrinkage at high temperatures. In addition, polypropylene is highly stable and resists hydrolysis. Polypropylene may also be readily heat bonded to the first portion 36 .
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Air-Conditioning For Vehicles (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
- 1. Field of the Invention
- The invention relates to a seat assembly having an air plenum member, and to a method of making such a seat assembly.
- 2. Background Art
- A seat assembly may be provided with an air distribution system for routing air through the seat assembly. For example, one known seat assembly includes an air plenum positioned in a foam seat cushion. The air plenum has a top polyester scrim layer adhesively attached to a bottom foam base. The scrim layer includes a polyester mesh attached to a polyester film, and adhesive material for attaching the scrim layer to the foam base. The scrim layer further has multiple apertures for allowing air to pass through the scrim layer.
- Under the invention, a seat assembly for use with a motor vehicle is provided. In one embodiment, the seat assembly includes a seat cushion having a recess, and an air plenum member disposed in the recess for routing air through at least a portion of the seat cushion. The air plenum member has a first portion that comprises foam, and a second portion that is attached to the first portion and that comprises a polyolefin sheet. The seat assembly further includes a cover layer covering the air plenum member and the seat cushion.
- In another embodiment, the seat assembly includes a seat cushion having a recess, and an air plenum member disposed in the recess for routing air through at least a portion of the seat cushion. The air plenum member has a first portion that comprises foam, and a second portion that comprises a plastic sheet heat staked to the first portion such that the second portion is fused with the first portion, thereby forming a seal along at least a portion of a junction of the first and second portions. The seat assembly further includes a cover layer covering the air plenum member and the seat cushion.
- Further under the invention, a method of making a seat assembly is provided. The method includes the steps of positioning together first and second portions of an air plenum member, the first portion comprising foam and the second portion comprising a plastic sheet; heat bonding the second portion to the first portion such that a seal is formed along at least a portion of a junction of the first and second portions; positioning the air plenum member in a recess of a seat cushion; and positioning a cover layer over the air plenum member and the seat cushion. Moreover, the air plenum member is configured to route air through at least a portion of the seat cushion.
- While exemplary embodiments in accordance with the invention are illustrated and disclosed, such disclosure should not be construed to limit the claims. It is anticipated that various modifications and alternative designs may be made without departing from the scope of the invention.
-
FIG. 1 is a perspective view of a seat assembly according to the invention, wherein the seat assembly includes a seat bottom and a seat back pivotally attached to the seat bottom; -
FIG. 2 is an exploded perspective view of the seat bottom showing a support member, a seat cushion having a recess, an air plenum member that is disposable in the recess, and a trim cover for covering the seat cushion and air plenum member; -
FIG. 3 is a cross-sectional view of the seat bottom taken along line 3-3 ofFIG. 1 and viewed in the direction of the arrows; -
FIG. 4 is an exploded perspective view of the air plenum member; and -
FIG. 5 is a fragmentary cross-section view of the air plenum member. -
FIG. 1 shows aseat assembly 10 according to the invention for use with a motor vehicle. Theseat assembly 10 includes aseat bottom 12 and a seat back 14 pivotally connected to theseat bottom 12. In the embodiment shown inFIG. 1 , theseat bottom 12 andseat back 14 are each provided with anair plenum member 16. Alternatively, theseat assembly 10 may be provided with a singleair plenum member 16 positioned in either theseat bottom 12 or seat back 14. - Referring to
FIGS. 1-4 , a detailed description of theseat bottom 12 will now be provided, with the understanding that the seat back 14 may have the same or similar construction. As shown inFIGS. 2 and 3 , theseat bottom 12 includes asupport member 18, such as a seat pan and/or seat frame, aseat cushion 20 supported by thesupport member 18 and configured to receive theair plenum member 16, and a cover layer ortrim cover 22 covering theair plenum member 16,support member 18 andseat cushion 20. - The
seat cushion 20 may be made of any suitable material, such as foam, and includes arecess 24 formed therein for receiving theair plenum member 16. While therecess 24 may have any suitable configuration that corresponds to the configuration of theair plenum member 16, in the embodiment shown inFIG. 2 , therecess 24 includes multiple trenches orchannels 26. Theseat cushion 18 may further include a duct orpassage 28 through which air may pass. In the embodiment shown inFIGS. 2 and 3 , thepassage 28 extends from therecess 24 to alower surface 30 of theseat cushion 20. - The
air plenum member 16 is disposed in therecess 24 and is configured to route air through at least a portion of theseat cushion 20. For example, theair plenum member 16 may route temperature conditioned air and/or ambient air toward or away from thecover layer 22. As such, theair plenum member 16 may function as an air distribution device or an air collection device. - The
air plenum member 16 may have any suitable configuration for routing air through theseat cushion 20. For example, theair plenum member 16 may have one or more legs orbranches 32 that define one or more passages orchannels 34 for directing air through theseat cushion 20. In the embodiment shown inFIGS. 1 and 2 , theair plenum member 16 of theseat bottom 12 has a generally H-shaped configuration havingmultiple branches 32 extending from amain body 35. As other examples, theair plenum member 16 may have a generally U-shaped or X-shaped configuration. - Referring to
FIGS. 2-4 , theair plenum member 16 includes a foamfirst portion 36, such as a base or bottom portion, and asecond portion 38, such as a cover or top portion, that comprises a flexible plastic sheet attached to thefirst portion 36 to form an air plenum or chamber. Thefirst portion 36 may comprise any suitable foam, such as polyurethane foam or an expanded plastic, and thesecond portion 38 may comprise any suitable plastic sheet, such as a non-expanded polyolefin plastic sheet. In one embodiment, thesecond portion 38 comprises a plastic film, such as a polypropylene film having a thickness in the range of 0.1 to 0.4 inches. In another embodiment, thesecond portion 38 comprises a nonwoven plastic layer, such as a polypropylene nonwoven scrim layer having a thickness in the range of 0.005 to 0.01 inches. Thesecond portion 38 also includesmultiple apertures 39 for allowing air to pass through thesecond portion 38, which may be otherwise air-impermeable. - While the
second portion 38 may be attached to thefirst portion 36 in any suitable manner, such as with an adhesive, in one embodiment, thesecond portion 38 is heat staked or heat bonded to thefirst portion 36. For example, thesecond portion 38 may be vibration welded, sonic welded, or otherwise heat fused to a connection area, such asflange 40, of thefirst portion 36. Such an attachment means may provide a durable airtight seal along the entire junction, or at least a portion thereof, between theportions - As mentioned above, the
air plenum member 16 may be configured to route temperature conditioned air and/or ambient air toward or away from thetrim cover 22. For example, referring toFIG. 3 , theair plenum member 16 may be in fluid communication with afan 41 that provides temperature conditioned air and/or cabin air to theair plenum member 16. More specifically, thefan 41 may provide temperature conditioned air and/or cabin air through thepassage 28 and to theair plenum member 16, which may then route the air to thetrim cover 22 such that the air may pass through thetrim cover 22 and to a seat occupant. In this way, thefan 41 may function as a positive pressure source that is coupled to theair plenum member 16. - The
fan 41 may be provided as part of theseat assembly 10, or thefan 41 may be a separate component that is mounted to the vehicle proximate to or remotely from theseat assembly 10. In the embodiment shown inFIG. 3 , for example, thefan 41 is mounted to thesupport member 18 of theseat bottom 12. - Temperature conditioned air may be provided by a heating and/or
cooling element 42, such as a Peltier element or other thermoelectric device, that is mounted to theseat assembly 10, such as to thesupport member 18, or to the vehicle. As another example, temperature conditioned air may be provided by a vehicle heating, ventilating and air-conditioning system (HVAC system, not shown) that is coupled to theair plenum member 16 by a duct (not shown). - In addition, or as an alternative, the
fan 41 may be configured to draw cabin air through thetrim cover 22 and into theair plenum member 16. More specifically, thefan 41 may function as a negative pressure source that is coupled to theair plenum member 16 via thepassage 28. When activated, thefan 41 may draw cabin air through thetrim cover 22, into theair plenum 16, and then through thepassage 28. - The
trim cover 22 may be made of any suitable material that is sufficiently permeable to allow air to pass therethrough. For example, thetrim cover 22 may comprise an appearance orcontact layer 44 made of air-permeable fabric, perforated vinyl, and/or perforated leather. Thetrim cover 22 may also be provided with or without apermeable padding layer 46, such as a permeable foam layer. - Furthermore, a
heating element 48 may be integrated into thetrim cover 22 if desired. For example, theheating element 48 may be bonded to an underside of thepadding layer 46, or sandwiched between thecontact layer 44 andpadding layer 46. As another example, theheating element 48 may be provided as a separate component that is positioned between thetrim cover 22 andair plenum member 16. - The seat bottom 12 may also include one or more additional layers (not shown) positioned between the
air plenum member 16 and thetrim cover 22. For example, the seat bottom 12 may include an additional permeable padding layer, such as a foam layer (not shown), and/or a sensor mat (not shown) for detecting the presence of a seat occupant. - Referring to
FIGS. 2-5 , a method of making theseat bottom 12 of theseat assembly 10 will now be described, with the understanding that the seat back 14 may be made in the same or similar manner. The method involves forming theportions air plenum member 16 in any suitable manner. For example, thefirst portion 36 may be formed of air-impermeable, sufficiently rigid foam that is molded into a desired shape, and thesecond portion 38 may be die cut from a roll of flexible plastic material, such as a roll of non-woven polypropylene fibers, polypropylene film, or polyethylene film. - Next, the
portions second portion 38 overlaps edges of thefirst portion 36. Theportions portions second portion 38 to thefirst portion 36 such that theportions portions FIG. 5 , for example, theportions welding apparatus 49. Such an attachment means provides a highly durable connection between theportions portions - The
second portion 38 may also be trimmed if desired to reduce or eliminate any overhang of thesecond portion 38 relative to thefirst portion 36. As another example, thesecond portion 38 may be configured to extend betweenadjacent branches 32 of theair plenum member 16. - Referring to
FIGS. 3 and 4 , theair plenum member 16 may then be positioned in therecess 24 of theseat cushion 20 such that anopening 50, which may be an inlet or an outlet of theair plenum member 16, depending on the direction of air flow, is in fluid communication with thepassage 28. Theair plenum member 16 may also be attached to theseat cushion 20 if desired. For example, theair plenum member 16 may be adhesively bonded to theseat cushion 20. - The
seat cushion 20 may be mounted on thesupport member 18 before or after theair plenum member 16 is positioned in therecess 24. Furthermore, thefan 41, heating and/or coolingelement 42 and associated ducts, if included, may be mounted to thesupport member 18 at any suitable time. The method next involves positioning thetrim cover 22 over theair plenum member 16,support member 18, andseat cushion 20. - The use of polypropylene in the
second portion 38 of theair plenum member 16 may provide several advantages. For example, polypropylene resists shrinkage at high temperatures. In addition, polypropylene is highly stable and resists hydrolysis. Polypropylene may also be readily heat bonded to thefirst portion 36. - While embodiments of the invention have been illustrated and described, it is not intended that these embodiments illustrate and describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention.
Claims (20)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US11/161,898 US20070040421A1 (en) | 2005-08-22 | 2005-08-22 | Seat assembly having an air plenum member |
DE102006023129A DE102006023129B4 (en) | 2005-08-22 | 2006-05-17 | Seat arrangement with an air chamber member |
GB0616110A GB2429404B (en) | 2005-08-22 | 2006-08-14 | Seat assembly having an air plenum member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/161,898 US20070040421A1 (en) | 2005-08-22 | 2005-08-22 | Seat assembly having an air plenum member |
Publications (1)
Publication Number | Publication Date |
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US20070040421A1 true US20070040421A1 (en) | 2007-02-22 |
Family
ID=37056307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/161,898 Abandoned US20070040421A1 (en) | 2005-08-22 | 2005-08-22 | Seat assembly having an air plenum member |
Country Status (3)
Country | Link |
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US (1) | US20070040421A1 (en) |
DE (1) | DE102006023129B4 (en) |
GB (1) | GB2429404B (en) |
Cited By (50)
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US20080084095A1 (en) * | 2006-10-10 | 2008-04-10 | Amerigon Inc. | Ventilation system for seat |
US20080100101A1 (en) * | 2006-11-01 | 2008-05-01 | Amerigon Inc. | Chair with air conditioning device |
US20080148481A1 (en) * | 2006-10-13 | 2008-06-26 | Amerigon Inc. | Air conditioned bed |
EP2048024A1 (en) * | 2007-10-11 | 2009-04-15 | TS Tech Co., Ltd | Seat, seat cushion and backrest thereof |
US20090243350A1 (en) * | 2008-03-31 | 2009-10-01 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle seat with a temperature control unit |
US20090253363A1 (en) * | 2006-10-11 | 2009-10-08 | Bayerische Motoren Werke Aktiengesellschaft | Air-Conditioned Vehicle Seat |
US20100011502A1 (en) * | 2008-07-18 | 2010-01-21 | Amerigon Incorporated | Climate controlled bed assembly |
US20100141753A1 (en) * | 2000-05-03 | 2010-06-10 | Aperio Technologies, Inc. | Optimizing Virtual Slide Image Quality |
US7877827B2 (en) | 2007-09-10 | 2011-02-01 | Amerigon Incorporated | Operational control schemes for ventilated seat or bed assemblies |
US20110041246A1 (en) * | 2009-08-20 | 2011-02-24 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Systems and methods providing temperature regulated cushion structure |
US20110115635A1 (en) * | 2009-05-06 | 2011-05-19 | Dusko Petrovski | Control schemes and features for climate-controlled beds |
US20110221242A1 (en) * | 2007-10-29 | 2011-09-15 | W.E.T. Automotive Systems Ag | Air conditioning device for seats |
US8191187B2 (en) | 2009-08-31 | 2012-06-05 | Amerigon Incorporated | Environmentally-conditioned topper member for beds |
US8539624B2 (en) | 2006-05-31 | 2013-09-24 | Gentherm Incorporated | Structure based fluid distribution system |
US8783768B2 (en) | 2011-01-07 | 2014-07-22 | Lear Corporation | Leather trim cover assembly with stretch reduction |
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Also Published As
Publication number | Publication date |
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GB0616110D0 (en) | 2006-09-20 |
DE102006023129B4 (en) | 2009-09-03 |
DE102006023129A1 (en) | 2007-03-01 |
GB2429404A (en) | 2007-02-28 |
GB2429404B (en) | 2008-08-27 |
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