US20050184565A1 - Tempering device for vehicle seats - Google Patents

Tempering device for vehicle seats Download PDF

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Publication number
US20050184565A1
US20050184565A1 US11/058,896 US5889605A US2005184565A1 US 20050184565 A1 US20050184565 A1 US 20050184565A1 US 5889605 A US5889605 A US 5889605A US 2005184565 A1 US2005184565 A1 US 2005184565A1
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US
United States
Prior art keywords
protective layer
tube
seat
contact surface
tempering
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
Application number
US11/058,896
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English (en)
Inventor
Michael Weiss
Josef Armbruster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WET Automotive Systems AG
Original Assignee
WET Automotive Systems AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WET Automotive Systems AG filed Critical WET Automotive Systems AG
Assigned to W.E.T. AUTOMOTIVE SYSTEMS AG reassignment W.E.T. AUTOMOTIVE SYSTEMS AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ARMBRUSTER, JOSEF, WEISS, MICHAEL
Publication of US20050184565A1 publication Critical patent/US20050184565A1/en
Abandoned legal-status Critical Current

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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
    • B60N2/5635—Heating or ventilating devices characterised by convection by air coming from the passenger compartment

Definitions

  • the present invention relates to a tempering device for tempering a contact surface of a vehicle seat, the tempering device being a tubular, closed-loop system with a cooling medium flowing therethrough.
  • Devices of this kind cool the seat of a vehicle in summer and heat it in winter.
  • U.S. Pat. No. 5,921,314 discloses a seat through which air flows in order to bring it to a comfortable temperature. However, it is not possible to produce airflow through certain seats because, for example, they are covered with a leather cover. Other, non-porous surfaces also prevent or restrict airflow.
  • DE 4,432,497 discloses a seat having a cooling circuit.
  • This cooling circuit employs a liquid which flows through hoses to carry heat away from the seat surface.
  • installing hoses in the seat cushion is expensive.
  • liquid-cooled seats are especially susceptible to inadvertent or unintentional damage of the seat.
  • the cooling medium can leak during the life of the seat. Thus, long-term system integrity is difficult to ensure.
  • a tempering system for tempering at least one seat surface contacted by an occupant.
  • the tempering device includes at least one tube, at least partially located near the contact surface, and a cooling medium flowing through the tube in a closed circuit.
  • the tube is at least partially shielded from the occupant by a protective layer which may be rubber-elastic.
  • the present tempering system offers increased protection for cooling hoses in the seat surface. In addition, it is ensured that, even in the event of escape of the cooling liquid, the surface of the seat coming into contact with the user remains dry.
  • the tube is at least partially embedded, and can be cast, in the protective layer.
  • This embodiment permits simplified assembly.
  • a tube, which is embedded in the protective layer, may be installed jointly with the protective layer.
  • the protective layer can also serve as a secondary wall to retain the cooling medium.
  • the protective layer can have a thickness of between 4 and 60 mm, and preferably is at least 15 mm.
  • the tube can have an outer cross-sectional diameter of between 5 and 20 mm, and preferably is at least 10 mm. Such dimensional limits, which are given only as examples, permit very sturdy construction.
  • the tube can also be at least partially formed by the protective layer. In this way, the number of component parts can be reduced, and the protective layer and tube can be produced in a single operation.
  • the protective layer may be made, at least partially, of silicone, rubber, latex, synthetic gel, polyurethane gel and/or rubber, and admixtures of carbon fibers or metal fibers. This produces an inexpensive protective layer with high resistance to tearing. Further, additional physical properties of the protective layer are selectively adjustable by admixtures.
  • the protective layer includes a seat occupancy detector.
  • a seat occupancy detector This is advantageous in that it permits the integration of a plurality of subsystems in one structural unit.
  • the protective layer can act as a dielectric or at least one plate of the capacitive sensor can be located on a surface of the protective layer. In another example, two plates of the capacitive sensor are located on opposite surfaces of the protective layer. Integrating the seat occupancy sensor into the protective layer simplifies production of the overall system.
  • the seat occupancy detector comprises a fluid-filled cavity within the protective layer, and a pressure sensor.
  • the fluid may be liquid or air.
  • the fluid pressure signal indicates the occupancy status of the seat.
  • the seat occupancy detector comprises a first photoconductor for the introduction of light and a second photoconductor for the absorption of light, each located on the protective layer which is at least partially transparent in the region of the photoconductors. Light passing from the first to the second photoconductor passes through the transparent region of the protective layer. The amount or intensity of the detected light is a function of the pressure load upon the seat.
  • FIG. 1 shows a top view of a seat with a tempering system according to an embodiment of the present invention in partial longitudinal section.
  • FIG. 2 shows an enlarged cross section through the protective layer of the tempering system of FIG. 1 .
  • the present invention is described with respect to an tempering system for a vehicle seat, the present invention may be adapted and utilized for tempering other components such as arm rests, door trim, armature panels, steering wheels, as well as non-automotive seat and tempered components applications.
  • other components such as arm rests, door trim, armature panels, steering wheels, as well as non-automotive seat and tempered components applications.
  • various operating parameters and components re described for several embodiments. These specific parameters and components are included as examples and are not meant to be limiting.
  • FIG. 1 shows a vehicle seat 1 with a seat part 2 and a backrest 4 .
  • these are covered with a non-perforated leather cover 6 .
  • the seat part 2 has a contact surface 5 , which is usually occupied by a passenger when the seat is in use.
  • a tempering system 3 is located in the seat part 2 . Of course, it could also be provided in the backrest portion 4 .
  • the tempering system 3 has a tube 7 , which is made of an elastic but pressure-resistant material, for example rubber, silicone, PVC or gel of synthetic material.
  • the tube 7 advantageously is located meanderingly or in a substantially sinusoidal manner in a section located under the contact surface 5 .
  • the tube 7 is positioned to run just under the cover 6 .
  • the tube 7 is covered over, at least toward the cover 6 , by a protective layer 11 which may be rubber-elastic.
  • the tube 7 is completely embedded, such that it is liquid-tight, in the protective layer 11 and is completely enclosed by the protective layer 11 .
  • the tube 7 can be cast in the protective layer 11 .
  • the tube 7 can also be at least partially formed by the protective layer 11 . That is, the protective layer 11 can be cast with hollow channels forming fluid channels. In such a case, the tube 7 comprises the hollow channel formed in the protective layer 11 .
  • the material of the protective layer should be a tear-resistant, highly elastic material such as for example rubber, silicone or gel of synthetic material.
  • the protective layer may be made, at least partially, of silicone, rubber, latex, synthetic gel, polyurethane gel and/or rubber, and admixtures of carbon fiber or metal fibers.
  • the specific thermal conductivity of the protective layer should be greater than 0.05, such as at least 0.5, and preferably greater than 5 W/km. The thermal conductivity can be adjusted by admixtures of heat-conducting material, for example, metal fibers.
  • the tube material or protective layer which forms the tube 7 should have an elongating or elongation rupture of at least 100%.
  • the protective layer can have a thickness of between 4 and 60 mm, and preferably is at least 15 mm.
  • the tube can have an outer cross-sectional diameter of between 3 and 10 mm.
  • the distance between the tube 7 and the upper surface of the protective layer should be at least 2 mm thick and can be up to approximately 10 mm thick.
  • the module comprising the protective layer 11 and tube 7 is at least 5 mm thick and can be up to 20 mm thick.
  • the tube 7 is filled with a cooling medium 9 .
  • the cooling medium 9 can be a liquid, preferably of water or alcohol base although other mediums are contemplated.
  • the cooling medium 9 has a freezing point which preferably lies below ⁇ 20° C., such as below ⁇ 40° C.
  • the two ends of the tube 7 are located on the side of the seat part 2 turned away from the user, at a pump 21 located there.
  • the pump 21 produces circulation of the cooling medium 9 in the tube 7 in a closed circuit.
  • the tempering system 3 has an exchange unit 15 .
  • the exchange unit 15 has a Peltier element 17 and a blower or fan 19 .
  • the Peltier element 17 is located on the tube 7 , in order to adjust the temperature of the cooling medium 9 to the desired temperature level. Depending on the polarity of the electrical voltage applied to the Peltier element, the cooling medium 9 is heated or cooled by the Peltier element 17 .
  • the fan 19 blows a stream of air on the Peltier element 17 in order to remove waste heat or to supply ambient heat.
  • the exchange unit 15 preferably is placed on a side of the vehicle seat 1 different from the contact surface 5 , such as on its back or underside.
  • the tempering device should be regulated so that the temperature of the contact surface 5 remains at approximately 34° C. or below.
  • the desired temperature could also be set by a user adjustable input such as a switch, rotating dial, or slider.
  • the tempering system may additionally contain an electric heating element 50 .
  • the heating element 50 may be integrated into the protective layer, or be made of an electrically conductive material forming at least part of the protective layer.
  • electrically conductive material forming the heating element may be provided in the region surrounding the tube 7 , or may be worked throughout the protective layer 11 .
  • a plurality of tubes are provided instead of one tube.
  • the protective layer itself form the wall of the tube.
  • the cushion of the seat be made substantially entirely of the rubber-elastic protective layer.
  • the protective layer advantageously has a layer thickness of at least 1 cm. It may alternatively be advantageous to place a corresponding tempering system in the backrest 4 .
  • the corresponding exchange unit and/or pump could then be located either on the back of the backrest or the underside of the seat part.
  • FIG. 2 shows a cross section through the protective layer 11 with additionally integrated seat-occupancy detectors 25 , 25 ′, 25 ′′.
  • the seat-occupancy detector 25 has a first capacitor plate 29 , which is located on the side of the protective layer 11 facing toward the cover 6 .
  • the seat-occupancy detector 25 in addition has a second capacitor plate 29 ′. This is located on the protective layer on the side of the protective layer 11 facing away from the cover 6 .
  • the capacitor plates 29 , 29 ′ are in each instance connected, via a conductor 30 , 30 ′, with a measuring circuit, not represented.
  • the capacitor plates 29 , 29 ′ preferably are formed by thin metal layers. These are, for example, printed or vapor-deposited and comprise at least partially silver, copper and/or aluminum.
  • an electric voltage is applied to the two capacitor plates 29 , 29 ′, to form a capacitor in which the protective layer 11 acts as a dielectric. If the protective layer 11 is acted on with pressure by a passenger sitting on the seat, the protective layer 11 is pressed together. This alters the distance between the capacitor plates 29 , 29 ′. This results in a change in capacity of the capacitor, detected by the measuring circuit and consequently in a seat-occupied signal.
  • the seat-occupancy detector 25 ′ has a cavity 37 , in the form of a bubble 37 ′.
  • the cavity is filled with a measuring fluid 35 .
  • air or water is advantageous.
  • the cavity 37 is connected via a measuring conduit 36 to a pressure sensor which, for simplicity, is not shown. If the protective layer 11 is pressure-loaded by a passenger, the pressure in the measuring fluid 35 rises. This pressure increase and hence the seat-detection signal can be read via the measuring line 36 .
  • the seat-occupancy detector 25 ′′ has a first photoconductor 39 , one end 41 of which is embedded in the protective layer 11 .
  • a second photoconductor 39 ′, one end 41 ′ of which is likewise embedded in the protective layer 11 is also provided.
  • the two ends 41 , 41 ′ are arranged substantially flush with one another, in order to allow light from one photoconductor 39 to pass into the other photoconductor 39 ′.
  • at least the region of the protective layer 11 located between the two photoconductor ends 41 , 41 ′ is at least partially transparent. If the protective layer 11 is pressure-loaded, at least one of the photoconductors 41 , 41 ′ is deflected.
  • the quantity and/or the quality (e.g. color) of the light that has passed is altered.
  • compression of the region of the protective layer 11 located between the two photoconductor ends 41 , 41 ′ produces an altered dispersion of the light within the protective layer 11 . This too results in an altered passage of light.
  • An appropriate light sensor can then indicate whether the seat is occupied.
  • the seat occupancy detectors 25 , 25 ′, 25 ′′ can be used in conjunction with the tempering system to prevent the system from operating or modify system operation absent the presence of a seat occupant.
  • the seat occupancy detectors can also be used in conjunction with other vehicle systems including safety systems.
  • the present tempering system provides an advantageous way of providing or implementing the seat occupancy detectors with only minimal additional components.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
US11/058,896 2004-02-17 2005-02-16 Tempering device for vehicle seats Abandoned US20050184565A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004007859A DE102004007859B4 (de) 2004-02-17 2004-02-17 Temperiervorrichtung für Fahrzeugsitze
DE102004007859.9 2004-02-17

Publications (1)

Publication Number Publication Date
US20050184565A1 true US20050184565A1 (en) 2005-08-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US11/058,896 Abandoned US20050184565A1 (en) 2004-02-17 2005-02-16 Tempering device for vehicle seats

Country Status (2)

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US (1) US20050184565A1 (de)
DE (1) DE102004007859B4 (de)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090143943A1 (en) * 2007-11-30 2009-06-04 Nissan Technical Center North America, Inc. Vehicle occupant classification system
US20090250980A1 (en) * 2008-04-07 2009-10-08 Gm Global Technology Operations, Inc. Temperature Controlled Vehicle Seats
US20100066133A1 (en) * 2008-09-12 2010-03-18 David Benton Chiller for Driver's seat of a Motor Vehicle
US20100301642A1 (en) * 2009-05-29 2010-12-02 Gm Global Technology Operations , Inc. Fluidic climate control system for a seat
ES2369956A1 (es) * 2011-09-23 2011-12-09 Asociación De Investigación De La Industria Textil (Aitex) Sistema de climatización para asientos.
US20120091112A1 (en) * 2010-10-19 2012-04-19 W.E.T. Automotive Systems Ag Electrical conductor
ES2399698A1 (es) * 2011-02-21 2013-04-02 Sapje, S.L. Asiento climatizado.
US20150232009A1 (en) * 2014-02-17 2015-08-20 Lear Corporation Member Mounting Bracket
US20150266405A1 (en) * 2012-09-25 2015-09-24 Faurecia Automotive Seating, Llc Vehicle seat with thermal device
CN104952509A (zh) * 2007-02-28 2015-09-30 捷温有限责任公司 电导体
CN106427677A (zh) * 2015-07-15 2017-02-22 金瑟姆股份有限公司 具有可滑动空气连接的车辆座椅
US9596944B2 (en) 2011-07-06 2017-03-21 Tempronics, Inc. Integration of distributed thermoelectric heating and cooling
US9638442B2 (en) 2012-08-07 2017-05-02 Tempronics, Inc. Medical, topper, pet wireless, and automated manufacturing of distributed thermoelectric heating and cooling
US20170217345A1 (en) * 2014-11-07 2017-08-03 Tachi-S Co., Ltd. Vehicular seat
US9989282B2 (en) 2010-09-13 2018-06-05 Tempronics, Inc. Distributed thermoelectric string and insulating panel
US10076981B2 (en) * 2015-09-22 2018-09-18 Ford Global Technologies, Llc Climate comfort system for vehicle seat
US10228165B2 (en) 2013-11-04 2019-03-12 Tempronics, Inc. Thermoelectric string, panel, and covers for function and durability
US20190092119A1 (en) * 2017-09-28 2019-03-28 Subaru Corporation Vehicle heating device
US10266083B2 (en) * 2016-05-10 2019-04-23 Faurecia Autositze Gmbh Cover material, in particular seat cover material, and vehicle interior arrangement, in particular a seat assembly
US10377268B2 (en) * 2016-10-08 2019-08-13 Faurecia Autositze Gmbh Motor vehicle interior arrangement
US10414306B2 (en) * 2015-03-31 2019-09-17 Tachi-S Co., Ltd. Seat apparatus
US20190344707A1 (en) * 2017-01-25 2019-11-14 Ford Global Technologies, Llc Seat or vehicle identification for a rideshare
US10632879B2 (en) 2014-08-08 2020-04-28 Faurecia Sièges d'Automobile Heating and/or cooling device for a motor vehicle seat
CN112319320A (zh) * 2020-10-28 2021-02-05 上海航盛实业有限公司 一种智能座舱系统
CN112977183A (zh) * 2019-12-02 2021-06-18 现代自动车株式会社 用于调整车辆的座椅特性的系统和方法
US11110834B1 (en) * 2020-05-14 2021-09-07 Faurecia Automotive Seating, Llc Occupant support cushion
US11229292B2 (en) * 2019-02-07 2022-01-25 Alfmeier Präzision SE Air cushion device and seat with the air cushion device
US20220024362A1 (en) * 2019-01-28 2022-01-27 Bayerische Motoren Werke Aktiengesellschaft Vehicle Seat Comprising a Temperature-Control System
US11479154B2 (en) 2019-01-28 2022-10-25 Bayerische Motoren Werke Aktiengesellschaft Vehicle seat comprising a temperature-control system

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US4966145A (en) * 1987-03-19 1990-10-30 Agency Of Industrial Science & Technology Automatic body temperature adjuster
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DE4432497C2 (de) * 1994-09-13 2000-09-21 Mannesmann Sachs Ag Anordnung zur Klimatisierung eines Fahrzeugsitzes
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US4966145A (en) * 1987-03-19 1990-10-30 Agency Of Industrial Science & Technology Automatic body temperature adjuster
US4923248A (en) * 1988-11-17 1990-05-08 Steve Feher Cooling and heating seat pad construction
US5002336A (en) * 1989-10-18 1991-03-26 Steve Feher Selectively cooled or heated seat and backrest construction
US5385382A (en) * 1993-10-06 1995-01-31 Ford Motor Company Combination seat frame and ventilation apparatus
US5416935A (en) * 1993-11-29 1995-05-23 Nieh; Rosa L. Cushion surface air conditioning apparatus
US5921314A (en) * 1995-02-14 1999-07-13 W.E.T. Automotive Systems Aktiengesellschaft Conditioned seat
US5902014A (en) * 1996-07-17 1999-05-11 Daimler-Benz Aktiengesellschaft Ventilated vehicle seat with a plurality of miniature ventilators
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Cited By (47)

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Publication number Priority date Publication date Assignee Title
CN104952509A (zh) * 2007-02-28 2015-09-30 捷温有限责任公司 电导体
US20090143943A1 (en) * 2007-11-30 2009-06-04 Nissan Technical Center North America, Inc. Vehicle occupant classification system
US7860625B2 (en) * 2007-11-30 2010-12-28 Nissan North America, Inc. Vehicle occupant classification system
US20110029204A1 (en) * 2007-11-30 2011-02-03 Nissan North America, Inc. Vehicle occupant classification system
US7890234B1 (en) * 2007-11-30 2011-02-15 Nissan North America, Inc. Vehicle occupant classification system
US20090250980A1 (en) * 2008-04-07 2009-10-08 Gm Global Technology Operations, Inc. Temperature Controlled Vehicle Seats
US7950735B2 (en) * 2008-04-07 2011-05-31 GM Global Technology Operations LLC Temperature controlled vehicle seats
US20100066133A1 (en) * 2008-09-12 2010-03-18 David Benton Chiller for Driver's seat of a Motor Vehicle
US8678492B2 (en) * 2008-09-12 2014-03-25 David Benton Chiller for driver's seat of a motor vehicle
US20100301642A1 (en) * 2009-05-29 2010-12-02 Gm Global Technology Operations , Inc. Fluidic climate control system for a seat
US8136874B2 (en) * 2009-05-29 2012-03-20 GM Global Technology Operations LLC Fluidic climate control system for a seat
US9989282B2 (en) 2010-09-13 2018-06-05 Tempronics, Inc. Distributed thermoelectric string and insulating panel
US20120091112A1 (en) * 2010-10-19 2012-04-19 W.E.T. Automotive Systems Ag Electrical conductor
CN102568638A (zh) * 2010-10-19 2012-07-11 W.E.T.汽车系统股份公司 电导体
US9191997B2 (en) * 2010-10-19 2015-11-17 Gentherm Gmbh Electrical conductor
ES2399698A1 (es) * 2011-02-21 2013-04-02 Sapje, S.L. Asiento climatizado.
US9596944B2 (en) 2011-07-06 2017-03-21 Tempronics, Inc. Integration of distributed thermoelectric heating and cooling
US10571162B2 (en) 2011-07-06 2020-02-25 Tempronics, Inc. Integration of distributed thermoelectric heating and cooling
ES2369956A1 (es) * 2011-09-23 2011-12-09 Asociación De Investigación De La Industria Textil (Aitex) Sistema de climatización para asientos.
US9638442B2 (en) 2012-08-07 2017-05-02 Tempronics, Inc. Medical, topper, pet wireless, and automated manufacturing of distributed thermoelectric heating and cooling
US20150266405A1 (en) * 2012-09-25 2015-09-24 Faurecia Automotive Seating, Llc Vehicle seat with thermal device
US9676310B2 (en) * 2012-09-25 2017-06-13 Faurecia Automotive Seating, Llc Vehicle seat with thermal device
US10830507B2 (en) 2013-11-04 2020-11-10 Tempronics, Inc. Thermoelectric string, panel, and covers for function and durability
US10228165B2 (en) 2013-11-04 2019-03-12 Tempronics, Inc. Thermoelectric string, panel, and covers for function and durability
US20150232009A1 (en) * 2014-02-17 2015-08-20 Lear Corporation Member Mounting Bracket
US9744880B2 (en) * 2014-02-17 2017-08-29 Lear Corporation Member mounting bracket
US10632879B2 (en) 2014-08-08 2020-04-28 Faurecia Sièges d'Automobile Heating and/or cooling device for a motor vehicle seat
US20170217345A1 (en) * 2014-11-07 2017-08-03 Tachi-S Co., Ltd. Vehicular seat
US10562421B2 (en) * 2014-11-07 2020-02-18 Tachi-S Co., Ltd. Vehicular seat
US10414306B2 (en) * 2015-03-31 2019-09-17 Tachi-S Co., Ltd. Seat apparatus
US10023084B2 (en) 2015-07-15 2018-07-17 Gentherm Inc. Vehicle seat with slidable air coupling
CN106427677A (zh) * 2015-07-15 2017-02-22 金瑟姆股份有限公司 具有可滑动空气连接的车辆座椅
US10286817B2 (en) 2015-07-15 2019-05-14 Gentherm Inc. Vehicle seat with slidable air coupling
US10076981B2 (en) * 2015-09-22 2018-09-18 Ford Global Technologies, Llc Climate comfort system for vehicle seat
US10266083B2 (en) * 2016-05-10 2019-04-23 Faurecia Autositze Gmbh Cover material, in particular seat cover material, and vehicle interior arrangement, in particular a seat assembly
US10377268B2 (en) * 2016-10-08 2019-08-13 Faurecia Autositze Gmbh Motor vehicle interior arrangement
US10933806B2 (en) * 2017-01-25 2021-03-02 Ford Global Technologies, Llc Seat or vehicle identification for a rideshare
US20190344707A1 (en) * 2017-01-25 2019-11-14 Ford Global Technologies, Llc Seat or vehicle identification for a rideshare
US20190092119A1 (en) * 2017-09-28 2019-03-28 Subaru Corporation Vehicle heating device
US11124042B2 (en) * 2017-09-28 2021-09-21 Subaru Corporation Vehicle heating device
US20220024362A1 (en) * 2019-01-28 2022-01-27 Bayerische Motoren Werke Aktiengesellschaft Vehicle Seat Comprising a Temperature-Control System
US11479154B2 (en) 2019-01-28 2022-10-25 Bayerische Motoren Werke Aktiengesellschaft Vehicle seat comprising a temperature-control system
US11845368B2 (en) * 2019-01-28 2023-12-19 Bayerische Motoren Werke Aktiengesellschaft Vehicle seat comprising a temperature-control system
US11229292B2 (en) * 2019-02-07 2022-01-25 Alfmeier Präzision SE Air cushion device and seat with the air cushion device
CN112977183A (zh) * 2019-12-02 2021-06-18 现代自动车株式会社 用于调整车辆的座椅特性的系统和方法
US11110834B1 (en) * 2020-05-14 2021-09-07 Faurecia Automotive Seating, Llc Occupant support cushion
CN112319320A (zh) * 2020-10-28 2021-02-05 上海航盛实业有限公司 一种智能座舱系统

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