US20060038432A1 - Vehicle seat - Google Patents

Vehicle seat Download PDF

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Publication number
US20060038432A1
US20060038432A1 US11/186,347 US18634705A US2006038432A1 US 20060038432 A1 US20060038432 A1 US 20060038432A1 US 18634705 A US18634705 A US 18634705A US 2006038432 A1 US2006038432 A1 US 2006038432A1
Authority
US
United States
Prior art keywords
seat
layer
air
cover
depression
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
US11/186,347
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English (en)
Inventor
Simone Koehler
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
Publication of US20060038432A1 publication Critical patent/US20060038432A1/en
Assigned to W.E.T. AUTOMOTIVE SYSTEMS, A.G. reassignment W.E.T. AUTOMOTIVE SYSTEMS, A.G. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JOHNSON CONTROLS TECHNOLOGY
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
    • 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
    • B60N2/58—Seat coverings
    • B60N2/5816—Seat coverings attachments thereof
    • B60N2/5825—Seat coverings attachments thereof by hooks, staples, clips, snap fasteners or the like

Definitions

  • the invention concerns a ventilated vehicle seat.
  • Vehicle seats are known with a seat and/or back section that features a supporting element to which a padded core is allocated on the seat and back sections.
  • a supporting mat featuring a ventilation layer on the side turned towards the padded core is placed on the padded core.
  • the air fed through the air ducts flows through the ventilation layer of the supporting mat, as a result of which the moisture generated by the seat user is absorbed by the air-permeable surface of the supporting mat and conveyed out.
  • the air can be heated or cooled to a given temperature to guarantee a pleasant temperature for the seat user.
  • the ventilation layer frequently consists of an air-permeable spacer fabric (EP 1 364 827 A2) covered with an upholstery cover and provided with tackings, along which the upholstery cover is connected with the padded core via fastenings.
  • the ventilation layer extends over the entire surface of the supporting element and, in the area of the tackings, has a roughly unaltered thickness, so that a current of air generated by the fan within the ventilation layer can flow without hindrance in the area of the tackings.
  • an air-conditioned seat in which provision is made for a ventilated layer (e.g. made of spacer fabric or rubberized hair) for distributing air within a seat pad.
  • a ventilated layer e.g. made of spacer fabric or rubberized hair
  • parts of the seat pad are segmented by anchoring channels in their surface. Where such anchoring channels are concerned, the seat cover is pulled along the anchoring channel in the direction of the interior of the seat pad. This leads to the ventilated layer either having to be made very thick or the depth of the anchoring channels being severely restricted (as for example in DE 102 07 490).
  • the task underlying the invention is to create, using simple means of construction, a seat whose air-permeable supporting mat can be installed with little effort and has optimum characteristics in terms of air flow and appearance.
  • the vehicle seat described in the invention features the following elements: a supporting element in the form of seat or back section, a padded core in at least one piece for supporting a seat user, a cover that at least partially conceals the padded core, with an anchoring channel on which the surface of the supporting element features a longitudinal depression, with an anchoring device which pulls the cover in at least indirectly along the anchoring channel in the direction of the seat core into the supporting element, and a ventilation layer which is placed between the cover and the seat core and through which air can flow.
  • the ventilation layer is curved to the contour of the depression of the anchoring channel, at least partially following it and, in the area of the anchoring channel, essentially retains its layer thickness in spite of the depression in the surface.
  • the ventilation layer and the cover are designed in the form of a supporting mat placed on the padded core such that it has an air-permeable carrier on the side turned towards the padded core.
  • spacers are placed, with at least two spacers being placed in the depression provided on the padded core opposite each other at a distance and taking up the accompanying remaining part of the supporting mat folded into the depression. Because of this a single supporting mat can be produced for several areas of the supporting element separated from one another by elongated depressions. Consequently, fewer individual parts are required to manufacture the vehicle seat described in the invention, thus achieving a reduction in production costs and simplified assembly.
  • folding the remaining part of the supporting mat into the depression of the padded core makes it possible to achieve a visually attractive design of the transition point between two areas of the supporting element separated from one another by the elongated depression.
  • This connection is advantageously achieved with the aid of a hitching device element that is connected on the one hand with the supporting mat and on the other with the padded core.
  • the ventilation layer is at least partially covered, on the one hand towards the user by an air-permeable first surface layer which preferably includes the single or multiple-layer cover, a preferably layer-like carrier and/or a surface heating element placed between the cover and the ventilation layer, and/or on the other towards the padded core by a preferably non air-tight second surface layer.
  • an air-permeable first surface layer which preferably includes the single or multiple-layer cover, a preferably layer-like carrier and/or a surface heating element placed between the cover and the ventilation layer, and/or on the other towards the padded core by a preferably non air-tight second surface layer.
  • a ventilation layer can be produced in which one or several, preferably a multitude of spacers are placed which, at least indirectly, distance the cover and the padded core from one another and which are preferably placed - specifically fastened - on the first surface layer, in particular the carrier, the second surface layer and/or the padded core.
  • the padded core in the area of the anchoring channel has an elongated depression—preferably one corresponding with the anchoring channel—where the depression is covered over by the cover and/or the first surface layer and where, also in the area of the anchoring channel, provision is made for the ventilation layer at least partially between cover/surface layer and the padded core.
  • the cover/the surface layer is drawn from the anchoring device towards the bottom of the depression where, at the bottom of the recess—in particular at its lowest point—and/or on its lateral areas, preferably those inclined opposite the seat surface—at least one spacer is placed.
  • the cover/the surface layer and the anchoring device there remains a hollow space, the overall height of which—preferably specifically at the lowest point of the cover—corresponds at least to the height of the ventilation layer through which air can flow. Due to the low flow resistance this causes, the passage of air is not adversely affected by the depression or the channel.
  • the spacers forming the ventilation layer of the supporting mat are formed by several projections fitted to the carrier.
  • At least one spacer is at least pointed - but preferably elongated - in shape, preferably by means of one or several projections of a layer adjoining the ventilation layer, by means of strips of fabric in sections and distanced from one another in the ventilation layer, by means of tubular elements which preferably have an approximately rectangular cross section and walls with air flow openings, and/or by means of helices/spirals preferably made of flat material, which preferably have helix threads distanced from one another to facilitate the passage of air at right angles to the longitudinal axis of the helix, and which are preferably flattened out in order to arrange the helices with their flattened-out area on the carrier.
  • At least one spacer an elongated shape, so that air can flow through it lengthways and at right angles to its longitudinal axis and/or so that it is placed lengthways to the depression.
  • the spacers are tubular elements that have an essentially rectangular cross section and whose walls can have air conduction openings. Tubular elements spaced out next to each other result in extreme stiffness of the seat surface in one direction accompanied by a large degree of freedom of movement in a direction vertical to it.
  • This type of design is especially advantageous in the design of a soft seat surface in which the air conduction properties of the ventilation layer of the supporting mat are not affected.
  • Particular preference is given here to flat helices, the flat side of which is fitted outside the depression on the carrier such that outside the depression the flat helices lie on the surface of the padded core, whereas the helices placed in the depression are turned around their longitudinal axis by approximately 90° in relation to the helices placed outside the depression.
  • the supporting element to have a central area and at least one side-wall area, where the depression can be placed between the central area and the respective side area of the supporting element.
  • the vehicle seat design described in the invention makes it possible to manufacture the transition area between the central area and the respective side-wall area in a visually attractive way, such that the fastening device remains invisible to the seat user through the remaining folded part of the supporting mat.
  • a fan can be used as an air-conduction unit.
  • What is characteristic of the present invention is the extremely low resistance for the air flow through the spacers, since their helical structure allows the air to flow in any direction without hindrance, as a result of which no significant pressure gradients can develop within the ventilation layer formed by the spacers.
  • the spacers shaped as projections fitted onto the carrier give the same result.
  • the spacers can also be formed by fabrics arranged in sections on the carrier if they have a sufficient flow cross section for the passage of air.
  • the hollow space of the ventilation device through which air can flow preferably the ventilation layer itself—has an overall height of a maximum of 20 mm, preferably a maximum of 10 mm, vertical to the surface of the supporting element turned towards the seat user.
  • a further increase in seating comfort can be achieved by the ventilation layer being bendable when stress is exerted on it by a user and preferably retaining its layer thickness unaltered in the process.
  • the spacer design types described will preferably be manufactured from a synthetic glass fiber composite material.
  • the characteristics of the vehicle seat outlined above are realized in an air-conditioning device for a vehicle seat.
  • FIG. 1 shows a schematic, perspective view of a vehicle seat with a seat section and a back section in partial section
  • FIG. 2 shows a schematic, perspective view of a supporting element with a supporting mat removed
  • FIG. 3 shows a schematic sectional view along the line I-I through the supporting element of FIG. 2 , where the border areas of the padded core have been left out.
  • FIG. 1 shows a vehicle seat with a seat section 30 and a back section 31 .
  • the seat section 30 features a padded core.
  • An equivalent padded core can also be allocated to the back section 31 (not shown).
  • This padded core of the back section has the same characteristics as described below for the padded core of the seat section 30 .
  • the part of the seat section 30 shown in FIG. 1 is subdivided by two parallel fold lines 35 , 36 into three sub-sections, namely a centrally-placed seat area 40 and a side-wall area 34 . In the middle of the seat area 40 a fold line 36 runs parallel to the fold line 35 .
  • the back section 31 is likewise divided into two areas by a parallel fold line 35 , namely a central area 41 and a side-wall area 37 placed at the side.
  • FIG. 2 shows the padded core 2 with a supporting mat 7 lifted against the direction of the arrows with the bent shaft where, for purposes of simplification, the area of the padded core 2 assigned to the fold lines 35 and the side-wall area 34 is not shown.
  • the padded core 2 consists of foam material.
  • a rectangular cavity 3 that corresponds to the shape of the air-permeable supporting mat 7 .
  • an elongated depression 17 extending to the entire length of the cavity, the side walls of which essentially run parallel to each other.
  • an air inlet 8 through which air is supplied from a fan 1 to the supporting mat 7 .
  • the air-permeable supporting mat 7 features on its side turned towards the padded core 2 an air-permeable carrier 5 made of a web-shaped material.
  • the carrier 5 features on its side turned towards the padded core 2 a ventilation layer 55 that is formed of several spacers 4 placed next to one another in the form of tapes laid in flat helices, where the flat sides of the spacers 4 are fitted on the carrier 5 .
  • the gap between the threads of the flat helices is calculated in such a way that sufficient space is available between the individual tapes for the passage of air.
  • the longitudinal alignment of the flat helices 4 placed parallel to one another corresponds with the course of the depression 17 .
  • the spacers 4 are tubular components that have a rectangular cross section and walls with air conduction openings 23 .
  • the supporting mat 7 is located in the cavity 3 of the padded core 2 .
  • the hollow spacers 4 in the form of tubular elements placed outside the depression 17 lie with their flat sides on the carrier 5 and on the padded core 2 , so that the ventilation layer 55 has a layer thickness d.
  • the spacers 4 are manufactured from a flexible synthetic glass fiber material, as a result of which, when stress is exerted on the ventilation layer 55 by a user, it is bendable and retains its layer thickness d essentially unaltered in the process.
  • the spacers 4 Located in the area of an air conduction channel 11 and the fan 1 are the spacers 4 with one side on a grid 10 , the meshes of which are smaller than the supporting surface of a spacer 4 .
  • the air currents from the fan 1 to the seat side of the supporting mat 7 are shown schematically by arrows 12 .
  • the spacers 4 placed in the depression 17 are turned on their longitudinal axis by approximately 90°, so that their sides lying on the carrier 5 are turned towards each other. In this way the accompanying remaining part of the supporting mat 7 folded into the depression 17 is taken up between the two spacers 4 placed opposite each other at a distance.
  • Such an arrangement of the spacers 4 and the supporting mat 7 in the depression 17 permits an air flow at right angles to the longitudinal axis of the depression 17 , as the supporting mat 7 is air-permeable in itself and the tubular elements 4 are spaced apart from each other for the passage of air.
  • the supporting mat 7 shown in FIG. 3 has an air-permeable cover 9 that consists of a textile layer.
  • a flexible, air-permeable surface heating element 6 for regulating vehicle seat temperature is placed between the carrier 5 and the cover 9 .
  • the anchoring device has a hitching device element 21 , one side of which engages with a fastening component 22 of the padded core 2 and the other side of which engages with a rod-shaped fastening component 24 placed on the cover 9 .
  • the length of the fastening components 22 , 23 corresponds to the length of the depression 17 .
  • openings 13 are provided, the size of which corresponds to the width of the hitching device element 21 .
  • the rod-shaped fastening component 24 remains invisible to the vehicle seat user as it is concealed in the remaining folded section of the supporting mat 7 .
  • correspondingly small-sized bracket-like elements could also be used.
  • the spacers 4 of the ventilation layer 55 can be connected to one another with their side turned towards the padded core 2 by a second surface layer (not shown).
  • the second surface layer can be both air-permeable and air-tight where, in the case of an air-tight second surface layer, the latter has an opening in the area of the grid 10 so that the air currents 12 from the fan 1 can get into the ventilation layer 55 without hindrance.

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  • 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)
US11/186,347 2004-08-11 2005-07-21 Vehicle seat Abandoned US20060038432A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004039058A DE102004039058A1 (de) 2004-08-11 2004-08-11 Fahrzeugsitz
DEDE102004039058.4 2004-08-11

Publications (1)

Publication Number Publication Date
US20060038432A1 true US20060038432A1 (en) 2006-02-23

Family

ID=35721293

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/186,347 Abandoned US20060038432A1 (en) 2004-08-11 2005-07-21 Vehicle seat

Country Status (3)

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US (1) US20060038432A1 (ja)
JP (1) JP2006051351A (ja)
DE (1) DE102004039058A1 (ja)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090243365A1 (en) * 2006-10-06 2009-10-01 Bayerische Motoren Werke Aktiengesellschaft Actively Ventilated Vehicle Seat
US20090253363A1 (en) * 2006-10-11 2009-10-08 Bayerische Motoren Werke Aktiengesellschaft Air-Conditioned Vehicle Seat
US20100045079A1 (en) * 2008-08-19 2010-02-25 Lear Corporation Alignment system for a spacer layer in a ventilated seat
US20100327636A1 (en) * 2008-12-21 2010-12-30 W.E.T. Automotive Systems Ag Ventilation system
US20110115276A1 (en) * 2006-11-14 2011-05-19 W.E.T. Automotive Systems Ag Air-Conditioned Seat with Trenches and Tensioning Device Therefore
US9168852B2 (en) 2012-12-03 2015-10-27 Ford Global Technologies, Llc Climate comfort seat assembly
US20150329029A1 (en) * 2014-05-15 2015-11-19 Toyota Boshoku Kabushiki Kaisha Vehicle seat
CN105496086A (zh) * 2016-01-15 2016-04-20 张必清 一种水床垫
US10336225B2 (en) 2015-03-31 2019-07-02 Tachi-S Co., Ltd. Vehicle seat
US11110773B2 (en) * 2016-12-08 2021-09-07 Denso Corporation Seat air-conditioning device
US11312273B1 (en) 2021-03-25 2022-04-26 Faurecia Automotive Seating, Llc Method and apparatus for mat retention in a seat assembly
US20220410775A1 (en) * 2020-03-06 2022-12-29 Ts Tech Co., Ltd. Vehicle seat and assembling method therefor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7478869B2 (en) * 2005-08-19 2009-01-20 W.E.T. Automotive Systems, Ag Automotive vehicle seat insert
DE102006035541A1 (de) * 2006-07-27 2008-01-31 Sitech Sitztechnik Gmbh Klimatisierter Sitz
DE102006054860B4 (de) * 2006-11-20 2009-08-13 Proseat Gmbh & Co. Kg Baugruppe für einen Sitz
DE102007015841A1 (de) * 2006-12-22 2008-06-26 W.E.T. Automotive Systems Ag Vorrichtung mit mindestens einem Strahlungsleiter
EP2179888B1 (de) * 2008-10-23 2011-12-28 Magna Seating (Germany) GmbH Sitzpolster für einen klimatisierbaren Fahrzeugsitz
DE102009009057A1 (de) * 2008-12-21 2010-06-24 W.E.T. Automotive Systems Ag Klimatisierungseinrichtung
DE102012014678A1 (de) * 2011-08-19 2013-02-21 W.E.T. Automotive Systems Ag Heizeinrichtung

Citations (9)

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US4923248A (en) * 1988-11-17 1990-05-08 Steve Feher Cooling and heating seat pad construction
US5370439A (en) * 1994-01-04 1994-12-06 Lowe; Warren Vehicle seat ventilation
US5477572A (en) * 1991-04-22 1995-12-26 C.A. Greiner & Sohne Gesellschaft M.B.H. Vehicle seat cushion
US5902014A (en) * 1996-07-17 1999-05-11 Daimler-Benz Aktiengesellschaft Ventilated vehicle seat with a plurality of miniature ventilators
US6179706B1 (en) * 1998-06-19 2001-01-30 Denso Corporation Seat air conditioner for vehicle
US6206465B1 (en) * 1997-10-15 2001-03-27 Daimlerchrysler Ag Cushioning for a vehicle seat
US6481801B1 (en) * 1999-09-21 2002-11-19 Johnson Controls Technology Company Seat paddings for vehicle seats
US20030230913A1 (en) * 2002-02-22 2003-12-18 Henning Buss Motor vehicle seat
US6685533B1 (en) * 2002-07-24 2004-02-03 In Bong Lee Reproducible doll

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DE19920062C2 (de) * 1999-05-03 2003-11-06 Daimler Chrysler Ag Fahrzeugsitz
DE19941715C1 (de) * 1999-09-02 2000-11-02 Daimler Chrysler Ag Polster für einen Fahrzeugsitz
DE10037065B4 (de) * 2000-07-29 2010-12-23 Daimler Ag Polster für einen aktiv belüfteten Fahrzeugsitz
DE10049458A1 (de) * 2000-10-06 2002-04-18 Daimler Chrysler Ag Polster für einen Fahrzeugsitz
DE10128415A1 (de) * 2001-06-12 2002-12-19 Daimler Chrysler Ag Fahrzeugsitz mit Sitzbelüftung
DE10156658C1 (de) * 2001-11-17 2003-05-08 Daimler Chrysler Ag Polster für einen aktiv belüfteten Fahrzeugsitz

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923248A (en) * 1988-11-17 1990-05-08 Steve Feher Cooling and heating seat pad construction
US5477572A (en) * 1991-04-22 1995-12-26 C.A. Greiner & Sohne Gesellschaft M.B.H. Vehicle seat cushion
US5370439A (en) * 1994-01-04 1994-12-06 Lowe; Warren Vehicle seat ventilation
US5902014A (en) * 1996-07-17 1999-05-11 Daimler-Benz Aktiengesellschaft Ventilated vehicle seat with a plurality of miniature ventilators
US6206465B1 (en) * 1997-10-15 2001-03-27 Daimlerchrysler Ag Cushioning for a vehicle seat
US6179706B1 (en) * 1998-06-19 2001-01-30 Denso Corporation Seat air conditioner for vehicle
US6481801B1 (en) * 1999-09-21 2002-11-19 Johnson Controls Technology Company Seat paddings for vehicle seats
US20030230913A1 (en) * 2002-02-22 2003-12-18 Henning Buss Motor vehicle seat
US6817675B2 (en) * 2002-02-22 2004-11-16 Daimlerchrysler Ag Motor vehicle seat
US6685533B1 (en) * 2002-07-24 2004-02-03 In Bong Lee Reproducible doll

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090243365A1 (en) * 2006-10-06 2009-10-01 Bayerische Motoren Werke Aktiengesellschaft Actively Ventilated Vehicle Seat
US8038222B2 (en) 2006-10-06 2011-10-18 Bayerische Motoren Werke Aktiengesellschaft Actively ventilated vehicle seat
US8172333B2 (en) 2006-10-11 2012-05-08 Bayerische Motoren Werke Aktiengesellschaft Air-conditioned vehicle seat
US20090253363A1 (en) * 2006-10-11 2009-10-08 Bayerische Motoren Werke Aktiengesellschaft Air-Conditioned Vehicle Seat
US20110115276A1 (en) * 2006-11-14 2011-05-19 W.E.T. Automotive Systems Ag Air-Conditioned Seat with Trenches and Tensioning Device Therefore
US20100045079A1 (en) * 2008-08-19 2010-02-25 Lear Corporation Alignment system for a spacer layer in a ventilated seat
CN106143243A (zh) * 2008-12-21 2016-11-23 捷温有限责任公司 通风装置以及具有其的空调装置和运输工具
US8777320B2 (en) * 2008-12-21 2014-07-15 W.E.T. Automotive Systems Ag Ventilation system
US9415712B2 (en) 2008-12-21 2016-08-16 Gentherm Gmbh Ventilation system
US20100327636A1 (en) * 2008-12-21 2010-12-30 W.E.T. Automotive Systems Ag Ventilation system
US9168852B2 (en) 2012-12-03 2015-10-27 Ford Global Technologies, Llc Climate comfort seat assembly
US20150329029A1 (en) * 2014-05-15 2015-11-19 Toyota Boshoku Kabushiki Kaisha Vehicle seat
US9783088B2 (en) * 2014-05-15 2017-10-10 Toyota Boshoku Kabushiki Kaisha Vehicle seat
US10336225B2 (en) 2015-03-31 2019-07-02 Tachi-S Co., Ltd. Vehicle seat
CN105496086A (zh) * 2016-01-15 2016-04-20 张必清 一种水床垫
US11110773B2 (en) * 2016-12-08 2021-09-07 Denso Corporation Seat air-conditioning device
US20220410775A1 (en) * 2020-03-06 2022-12-29 Ts Tech Co., Ltd. Vehicle seat and assembling method therefor
US11724626B2 (en) * 2020-03-06 2023-08-15 Ts Tech Co., Ltd. Vehicle seat and assembling method therefor
US11312273B1 (en) 2021-03-25 2022-04-26 Faurecia Automotive Seating, Llc Method and apparatus for mat retention in a seat assembly

Also Published As

Publication number Publication date
DE102004039058A1 (de) 2006-02-23
JP2006051351A (ja) 2006-02-23

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Legal Events

Date Code Title Description
AS Assignment

Owner name: W.E.T. AUTOMOTIVE SYSTEMS, A.G., GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:JOHNSON CONTROLS TECHNOLOGY;REEL/FRAME:020571/0588

Effective date: 20080214

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE