WO2005075245A1 - Siege de vehicule - Google Patents

Siege de vehicule Download PDF

Info

Publication number
WO2005075245A1
WO2005075245A1 PCT/EP2005/000518 EP2005000518W WO2005075245A1 WO 2005075245 A1 WO2005075245 A1 WO 2005075245A1 EP 2005000518 W EP2005000518 W EP 2005000518W WO 2005075245 A1 WO2005075245 A1 WO 2005075245A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
ventilation layer
cushion
backrest
vehicle seat
Prior art date
Application number
PCT/EP2005/000518
Other languages
German (de)
English (en)
Inventor
Karl-Heinz Minuth
Karl Pfahler
Lothar Renner
Original Assignee
Daimlerchrysler 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 Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Priority to US10/588,269 priority Critical patent/US20090066122A1/en
Priority to EP05715195A priority patent/EP1711370A1/fr
Priority to JP2006551750A priority patent/JP2007520288A/ja
Publication of WO2005075245A1 publication Critical patent/WO2005075245A1/fr

Links

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
    • 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
    • B60N2/565—Heating or ventilating devices characterised by convection by air sucked from the seat surface

Definitions

  • the invention relates to a vehicle seat according to the preamble of claim 1.
  • Such vehicle seats are equipped with so-called active seat ventilation, in which air is sucked in from the passenger compartment and blown through the upholstery of the seat cushion and backrest, in order to then partially exit through the air-permeable upholstery cover to the front of the seat.
  • active seat ventilation in which air is sucked in from the passenger compartment and blown through the upholstery of the seat cushion and backrest, in order to then partially exit through the air-permeable upholstery cover to the front of the seat.
  • this air removes moisture and heat from the upholstery and on the other hand cools the heated surfaces of the upholstery.
  • the backrest has a backrest cushion and a backrest covering that conceals the back of the backrest, a cavity remaining between the backrest cushion and backrest covering.
  • the backrest upholstery consists of a pressure distribution layer attached to an upholstery support with an inflow opening for ventilation air at the lower end and an air-permeable ventilation layer made of rubber hair, which is covered with an air-permeable upholstery cover.
  • a fan is arranged at the inflow opening, which sucks in air from the cavity and blows it into the ventilation layer.
  • the ventilation air flows through the ventilation layer and exits again through an air outlet opening arranged at the upper end.
  • the backrest In rear seats, the backrest is arranged directly on the rear wall of the passenger compartment, which separates the passenger compartment from the trunk.
  • a large number of units and electrical control units are installed in the trunk in the area of the rear or partition wall, which emit a relatively large amount of heat and thus heat up the space still existing between the backrest and the rear wall of the passenger compartment. Only relatively warm intake air is then available for active seat ventilation, which sucks in air from the space and blows it into the ventilation layer of the backrest cushion, so that adequate seat cooling cannot be achieved.
  • the seat user of the rear seat lacks the feeling of freshness that makes the seat comfortable.
  • the invention has for its object to change the active seat ventilation in a vehicle seat of the type mentioned so that even when using the vehicle seat as a rear seat with installation on the rear wall of the passenger compartment, sufficient fresh air flows through the ventilation layer of the backrest cushion and thus also with a rear seat the desired seating comfort is achieved in front of the rear wall of the passenger compartment.
  • the vehicle seat according to the invention has the advantage that the at least one second fan assigned to the upper ventilation layer section transports fresh air through the upholstery cover and the air duct or ventilation layer into the heated backrest space due to its air flow direction reversed with respect to the at least one first fan, so that the at least one first fan associated with the lower ventilation layer section is in turn able to blow significantly cooler air into the ventilation layer.
  • the backrest cushion is better ventilated overall and with much cooler air, which leads to an improvement in seating comfort.
  • the increase in seating comfort is achieved with low additional costs only due to the additional second fan and does not require any design changes to the vehicle seat, so that the seating concept for the front seats can also be retained for the rear seats.
  • the drawing shows a schematic representation of a partial side view of one in a passenger compartment a vehicle as a rear seat installed vehicle seat with the backrest shown in longitudinal section.
  • a rear seat with a seat cushion 11 and a backrest 12 and is arranged in the rear of a passenger compartment 13 of the vehicle.
  • the passenger compartment 13 is separated by a rear wall 14 from a trunk 15, which merges into the parcel shelf or trunk cover 16 at the upper edge of the backrest 12.
  • the rear wall 14 ends at a seat platform 17, which is formed in one piece with the floor pan of the vehicle and serves to accommodate the rear seat.
  • the seat cushion 11 is fastened in such a way that the backrest 12 rests with its upper, somewhat rearward-shaped end against the rear wall 14 and between the rear wall 14 and the backrest 12 there is an intermediate space, in the following backrest space
  • Called 18 remains.
  • the head cushion 19 placed above the trunk cover 16 is indicated by a headrest assigned to the rear seat.
  • the backrest 12 shown in longitudinal section has a backrest cushion 20 on which backrest cheeks 21 are integrally formed for the purpose of supporting the seated person.
  • the backrest cushion 20 consists of a cushion cover 22 which is fixed to a cushion support 23, an air guidance or ventilation layer 24 covering the cushion cover 22, a pressure distribution layer 25 covering the ventilation layer 24 and an air-permeable cushion cover 26 spanning the pressure distribution layer 25, which the seat user facing front of the backrest cushion 20 completes.
  • the cushion cover 22 consists of a rubber hair layer with an integrated air barrier layer
  • the ventilation layer 24 consists of a pressure-resistant spacer fabric
  • the pressure distribution layer 25 made of a perforated or perforated foam
  • the cushion cover 26 made of fabric or leather.
  • An air duct 27 is formed in the pressure distribution layer 25 in its lower region and an air duct 28 is spaced apart from it in its upper region.
  • Each air duct 27, 28 penetrates the cushion cover 22 all the way to the ventilation layer 24 and opens into the back space 18.
  • At least one first fan 29 is arranged in the lower air duct 27 and at least one second fan 30 is arranged in the upper air duct 28.
  • the fans 29, 30 can also be attached in a larger version on the back of the backrest cushion 20.
  • the fans 29, 30 are in the air channels 27,
  • the lower, first fan 29 draws air from the backrest area 18 and the upper, second fan 30 blows air into the backrest area 18.
  • an air barrier 31 running horizontally in the transverse direction of the seat, which extends over the entire width of the backrest cushion 20 and separates the ventilation layer 24 into a lower section 241 and an upper section 242 such that no air exchange between these two sections 241 and 242 is possible.
  • the lower air duct 27 thus opens at the lower section 241 of the ventilation layer 24 and the upper air duct 28 at the upper section 242 of the ventilation layer 24.
  • the upper, second fan 30 sucks in air from the upper region of the front of the backrest cushion 20 via the air-permeable cushion cover 26, the perforated pressure distribution layer 25 and the upper section 242 of the ventilation layer 24, and blows it out into the backrest space 18.
  • the air delivery through the upper, second fan 30 is controlled by appropriate air flow arrows indicated in the drawing.
  • the fresh air flowing in the upper section 242 of the ventilation layer 24 absorbs moisture and heat in the upper region of the backrest cushion 20 and removes it. This air displaces the significantly warmer air in the heated backrest area 18.
  • the lower first fan 29 draws in the air blown out by the upper second fan 30, which is significantly cooler than the air previously present in the heated backrest area 18, and blows it into the lower section 241 ventilation layer 24.
  • part of the air flow also exits via the lower region of the perforated pressure distribution layer 25 and the air-permeable cushion cover 26 spanning this region, so that the surface of the backrest cushion 20 is cooled.
  • a plurality of air channels, each associated with the lower section 241 and the upper section 242 of the ventilation layer 24, are provided with integrated fans, which are preferably formed in the cushion cover 22 evenly distributed over the lower and upper sections 241, 242 of the ventilation layer 24.
  • All the fans assigned to the lower section 241 have the same air delivery direction and blow ventilation air from the backrest space 18 into the lower section 241 of the ventilation layer 24.
  • All the fans facing the upper section 242 also have the same air delivery direction, but suck ventilation air from the front of the backrest cushion 20 through the upper section 242 of the ventilation layer 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

L'invention concerne un siège de véhicule, notamment un siège arrière, comprenant un dossier (12) présentant un rembourrage (20) pourvu d'une couche de ventilation (24) pouvant être traversée par de l'air, et au moins un ventilateur (29) destiné à la ventilation du rembourrage, l'air étant aspiré de l'espace arrière du rembourrage de dossier (20) et insufflé dans la couche de ventilation (24). Pour maintenir le comfort climatique du siège même lors de l'utilisation du siège, comme siège arrière monté juste devant la paroi arrière de l'espace du passager, la couche de ventilation est subdivisée en une section inférieure et une section supérieure à l'aide d'une barrière d'air s'étendant dans la direction transversale du siège. On associe à la section inférieure de la couche de ventilation au moins un ventilateur et on associe à la couche de ventilation supérieure au moins un autre ventilateur ayant une direction de transport de l'air inverse à la direction de transport de l'air du premier ventilateur.
PCT/EP2005/000518 2004-02-05 2005-01-20 Siege de vehicule WO2005075245A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/588,269 US20090066122A1 (en) 2004-02-05 2005-01-20 Vehicle seat
EP05715195A EP1711370A1 (fr) 2004-02-05 2005-01-20 Siege de vehicule
JP2006551750A JP2007520288A (ja) 2004-02-05 2005-01-20 車両シート

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004005573.4 2004-02-05
DE102004005573A DE102004005573B4 (de) 2004-02-05 2004-02-05 Fahrzeugsitz

Publications (1)

Publication Number Publication Date
WO2005075245A1 true WO2005075245A1 (fr) 2005-08-18

Family

ID=34813126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/000518 WO2005075245A1 (fr) 2004-02-05 2005-01-20 Siege de vehicule

Country Status (5)

Country Link
US (1) US20090066122A1 (fr)
EP (1) EP1711370A1 (fr)
JP (1) JP2007520288A (fr)
DE (1) DE102004005573B4 (fr)
WO (1) WO2005075245A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3036336A1 (fr) * 2015-05-19 2016-11-25 Faurecia Sieges D'automobile Element de siege de vehicule, siege comportant un tel element de siege et procede de fabrication
US10967767B2 (en) 2015-07-21 2021-04-06 Gentherm Automotive Systems (China) Ltd. Connector for a climate controlled support device

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DE102008038380B4 (de) * 2008-08-19 2010-11-11 Lear Corp., Southfield Ausrichtungssystem für eine Abstandsschicht in einem belüfteten Sitz
US20140346820A1 (en) * 2011-11-11 2014-11-27 Sympatex Technologies Gmbh Seat and its use
US9096157B2 (en) 2013-01-24 2015-08-04 Ford Global Technologies, Llc Seating assembly with air distribution system
US9016783B2 (en) 2013-01-24 2015-04-28 Ford Global Technologies, Llc Thin seat flex rest composite cushion extension
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US9126504B2 (en) 2013-01-24 2015-09-08 Ford Global Technologies, Llc Integrated thin flex composite headrest assembly
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US9315131B2 (en) 2014-01-23 2016-04-19 Ford Global Technologies, Llc Suspension seat back and cushion system having an inner suspension panel
US9649963B2 (en) 2014-03-04 2017-05-16 Ford Global Technologies, Pllc Trim and foam assembly for a vehicle seat
US9527419B2 (en) 2014-03-31 2016-12-27 Ford Global Technologies, Llc Vehicle seating assembly with manual cushion tilt
US9302643B2 (en) 2014-04-02 2016-04-05 Ford Global Technologies, Llc Vehicle seating assembly with side airbag deployment
US9421894B2 (en) 2014-04-02 2016-08-23 Ford Global Technologies, Llc Vehicle seating assembly with manual independent thigh supports
US9694741B2 (en) 2014-08-25 2017-07-04 Ford Global Technologies, Llc Ambient functional lighting of a seat
US10471874B2 (en) 2014-09-02 2019-11-12 Ford Global Technologies, Llc Massage bladder matrix
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US9771003B2 (en) 2014-10-29 2017-09-26 Ford Global Technologies, Llc Apparatus for customizing a vehicle seat for an occupant
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3036336A1 (fr) * 2015-05-19 2016-11-25 Faurecia Sieges D'automobile Element de siege de vehicule, siege comportant un tel element de siege et procede de fabrication
US10967767B2 (en) 2015-07-21 2021-04-06 Gentherm Automotive Systems (China) Ltd. Connector for a climate controlled support device

Also Published As

Publication number Publication date
US20090066122A1 (en) 2009-03-12
JP2007520288A (ja) 2007-07-26
DE102004005573A1 (de) 2005-09-01
DE102004005573B4 (de) 2006-09-28
EP1711370A1 (fr) 2006-10-18

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