WO2000051872A1 - Beheizbares lenkrad - Google Patents
Beheizbares lenkrad Download PDFInfo
- Publication number
- WO2000051872A1 WO2000051872A1 PCT/DE2000/000672 DE0000672W WO0051872A1 WO 2000051872 A1 WO2000051872 A1 WO 2000051872A1 DE 0000672 W DE0000672 W DE 0000672W WO 0051872 A1 WO0051872 A1 WO 0051872A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steering wheel
- wheel according
- electrodes
- plastic element
- rim
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/06—Rims, e.g. with heating means; Rim covers
- B62D1/065—Steering wheels with heating and ventilating means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
Definitions
- the invention relates to a heated steering wheel according to the preamble of claim 1.
- Such additional equipment is offered in particular in vehicles of the higher price range with a correspondingly elaborate interior design, which, for. B. characterized by real wood veneer and / or parts covered with leather.
- problems arise with these materials, particularly in the case of heated steering wheels.
- the heating of parts of a steering wheel clad with wood presents difficulties because wood has poor thermal conductivity and the wooden segments of a steering wheel usually also have a relatively large thickness.
- it has therefore not hitherto been customary to heat the parts of the steering wheel clad with wood.
- the present invention is therefore based on the object of creating a heatable steering wheel which avoids the disadvantages mentioned and enables uniform heating of the casing.
- the at least one heating element of the steering wheel is formed by an electrically conductive plastic element which extends along the circumference of the steering wheel on the steering wheel rim and to which two (differently polarized) electrodes are assigned which extend along the plastic element and make contact with it .
- the plastic element (s) serving as resistance heating and extending along the steering wheel rim is supplied with current over the entire length by means of the electrodes, uniform heating of the plastic elements and thus the steering wheel rim can be achieved .
- the resistance of the heating element made of plastic element and electrodes according to the invention is reduced in comparison to the heating element described in DE 297 12 839, since the current no longer flows according to the invention along the circumference of the steering wheel rim but only along a section of its diameter.
- the plastic element is designed as a shell made of electrically conductive plastic, the shell at least partially enclosing the steering wheel skeleton.
- the heating power can be specifically adjusted by varying the thickness of the shell and the distance between the electrodes.
- the plastic element in any desired shape can be produced very easily by injection molding, the effort involved in producing the heated steering wheel is considerably reduced in comparison to steering wheels with heating wire. Wrapping parts of the steering wheel rim with heating wire is not necessary.
- the plastic element is preferably injection molded as a shell directly onto the steering wheel rim profile.
- the shell can consist of two half-shells which are mechanically connected to one another and thus fastened to the steering wheel skeleton or the crown profile.
- the half-shells are particularly preferably connected to one another by ultrasound welding or electromagnetic welding, the electrodes extending along the shells according to the invention acting as an energy direction transmitter or heating element.
- the electrodes can be formed from a perforated or profiled metal strip, an optimal form-fitting connection being achieved since the liquefied plastic fills the available spaces.
- the shell or the half-shells have anchors for fixing them to the steering wheel skeleton or to part of the rim profile. This achieves a play-free connection between the shell or the half-shells and the steering wheel skeleton and / or rim profile.
- recesses can be provided in the steering wheel skeleton, into which corresponding projections on the (half) shells engage.
- the electrodes which together with the plastic element extend along the circumference of the steering wheel rim, are preferably designed as conductor tracks. As a result, uniform heating can be achieved with a small total resistance of the heating element (consisting of plastic element plus electrodes).
- the conductor tracks should be in contact with the plastic element at a predetermined, preferably constant distance from one another. In particular, it is expedient to arrange the electrodes on opposite sides of the plastic element designed as a shell (for example at the top and bottom or spaced apart in the radial direction of the steering wheel rim).
- the steering wheel skeleton which usually consists of conductive metal anyway, can form the second electrode.
- the conductor track (s) consist of copper, in particular of copper braid.
- the plastic element consists of an electrically conductive plastic with a suitable resistance.
- a suitable resistance for example, polymers filled with carbon fibers, carbon black or metal particles, such as. B. Hostaform X326 (POM with carbon fibers) from Hoechst.
- the resistance can be adjusted by the amount of the filler.
- the use of resistance plates instead of the plastic elements would also be possible, but the manufacture of the steering wheel is more complex and the use of resistance plates is therefore only preferable in special cases.
- the outer sheathing attached to the ring profile consists, for. B. made of wood, leather, foil and / or lacquer and forms the decorative surface visible to the occupant.
- the heating according to the invention allows a wide variety of materials for this decor and allows free design. Even with different materials, there is no local overheating, since the heating takes place very evenly by means of the plastic element which is elongated and is supplied with current along its direction of extension.
- the spokes via which the steering wheel rim is connected to a steering wheel hub, by providing the parts of the spokes to be heated with a layer of electrically conductive plastic and the associated electrodes.
- the electrically conductive ones are preferred Plastic elements and the electrodes are made in one piece with the corresponding parts of the steering wheel rim.
- Figure la a plan view of a heated steering wheel, the central cover of the steering wheel is not shown;
- Figure lb a longitudinal section through the steering wheel in Figure la;
- Figure lc a detailed view of the section according to Figure lb;
- Figure 2a a plan view of a further heated steering wheel, the central cover of the steering wheel is not shown;
- Figure 2b a longitudinal section through the steering wheel in Figure 2a;
- Figure 2c a detailed view of the section according to Figure 2b;
- 3a shows a plan view of a third heated steering wheel, the central cover of the steering wheel not being shown;
- Figure 3b a longitudinal section through the steering wheel in Figure 3a;
- Figure 3c a detailed view of the section according to Figure 3b.
- a steering wheel 1 according to the invention is shown in plan view in FIG. In the area of the steering wheel hub 3, the central cover and some other usual parts of a steering wheel 1 are not shown for better visibility of the components essential to the invention.
- the steering wheel 1 comprises a steering wheel hub 3, a steering wheel rim 2 and spokes 5 which connect the steering wheel rim 2 to the hub 3.
- a conductor track 6 of a heating element according to the invention serving as an electrode is shown with dashed lines.
- the conductor track 6 is arranged in the steering wheel rim 2 on its upper side and extends along its circumference U. It is connected to a voltage source via a feed line 11.
- a second conductor track 6 ′ serving as an opposite-pole electrode, of which only the feed line 11 can be seen in FIG. 1 a, is arranged on the underside of the steering wheel rim 2.
- FIG. 1b shows a longitudinal section through the steering wheel from FIG. 1a along the line A-A.
- the steering wheel rim 2, the spokes 5 and the steering wheel hub 3 can be seen.
- the steering wheel skeleton 4 is shown, via which the rim 2 is connected to the hub 3 in a load-bearing manner.
- the steering wheel rim 2 is covered with leather as the outer casing 8.
- the exact structure of the steering wheel rim 2 can best be seen from the detailed view in FIG. 1c.
- the steering wheel skeleton 4 is in the middle as a load-bearing element.
- a layer of insulating plastic for. B. made of PUR, arranged as an inner part 9 of the crown profile.
- the two conductor tracks 6 and 6 ' are fastened on this top and bottom, respectively.
- a shell 7 made of electrically conductive plastic encloses the conductor tracks 6, 6 'and the inner part 9 of the ring profile. Over the entire length of the shell 7, which, like the conductor tracks 6, extends along the circumference U of the steering wheel 1, current can be introduced into the shell 7 by means of the opposite-pole conductor tracks 6, 6 ′.
- the steering wheel 1 according to the invention is preferably produced in such a way that the inner part 9 of the ring profile is first injected around the steering wheel skeleton 4. Then the conductor tracks 6, 6 'are attached to this part 9, for example glued on. The ring profile is then completed by producing the shell 7 by extrusion-coating the part 9 and the conductor tracks 6, 6 ′ attached to it with electrically conductive plastic. At the same time, the electrical contact between the conductor tracks 6 and the shell 7 is established. Finally, the casing 8 is applied by covering the crown profile with leather.
- FIGS. 2a to 2c A further embodiment of a steering wheel 1 according to the invention is shown in FIGS. 2a to 2c.
- FIG. 2a shows a top view corresponding to FIG. 1a, the same parts being identified by the same reference numerals and not to be explained again.
- the steering wheel skeleton 4 consisting of a metallic material serves as a second electrode, as best seen in FIGS. 2b and 2c reveals.
- the steering wheel skeleton 4 projects at the top of the steering wheel rim 2 through the inner part 9 of the rim profile into the shell 7 and is thus in electrical contact with the shell 7 along the circumference U of the steering wheel rim 2.
- This steering wheel can be produced analogously to the production of the steering wheel from FIG. 1 described above.
- FIGS. 3a to 3c differs from the embodiments in FIGS. 1 and 2 in two respects.
- the shell 7 made of conductive plastic is divided into four segments 7a-7d.
- these segments can have different outer casings 8 and, on the other hand, can also be individually heated.
- segment 7a in the so-called 3 o'clock position and segment 7c in the 9 o'clock position of the steering wheel can be heated.
- an insulating plastic was used instead of a conductive one.
- the segments of the shell 7 are each composed of half-shells 7 'and 7'', as can be seen in particular on the right-hand side in FIG. 3c.
- the half-shells 7 'and 7'' are connected to the inner part 9 of the ring profile without play via an anchoring 10 (for example by means of latching elements).
- the two half-shells 7 ′, 7 ′′ are connected to one another by electromagnetic welding or ultrasonic welding, the two conductor tracks 6, 6 ′ functioning as a heating element or direction indicator for the welding process. As shown in FIG.
- the conductor tracks 6, 6 ' run in the radial direction R of the steering wheel at a distance from one another "right” and “left” on the steering wheel rim 2.
- the production takes place in this embodiment so that the inner part 9 of the ring profile is first attached to the steering wheel skeleton 4.
- the half-shells 7 'and 7' ' are injection molded into corresponding shapes and the conductor tracks 6, 6' are introduced into recesses in the half-shells.
- the half-shells are then placed around the inner part 9 and the plastic is melted in the region of the conductor tracks 6, 6 'by means of ultrasound or an alternating magnetic field and the half-shells 7, 7' are joined under pressure.
- the contact between the conductor tracks 6, 6 'and the half-shells 7', 7 '' is established and the half-shells 7, 7 'are fixed to the inner part 9 via the anchoring 10.
- the casing 8 is applied.
- individual areas of the steering wheel rim can also be excluded from heating when a one-piece conductive shell is used as the resistance heating element; e.g. by isolating the conductor tracks in these areas so that no current is introduced into the shell.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00916793A EP1156956B1 (de) | 1999-03-01 | 2000-02-28 | Beheizbares lenkrad |
JP2000602117A JP3466569B2 (ja) | 1999-03-01 | 2000-02-28 | 加熱可能なステアリングホイール |
BR0008612-6A BR0008612A (pt) | 1999-03-01 | 2000-02-28 | Volante aquecìvel |
US09/943,421 US6441344B1 (en) | 1999-03-01 | 2001-08-31 | Heatable steering wheel, and rim and method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19910132A DE19910132C1 (de) | 1999-03-01 | 1999-03-01 | Beheizbares Lenkrad |
DE19910132.9 | 1999-03-01 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/943,421 Continuation US6441344B1 (en) | 1999-03-01 | 2001-08-31 | Heatable steering wheel, and rim and method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000051872A1 true WO2000051872A1 (de) | 2000-09-08 |
Family
ID=7900111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/000672 WO2000051872A1 (de) | 1999-03-01 | 2000-02-28 | Beheizbares lenkrad |
Country Status (7)
Country | Link |
---|---|
US (1) | US6441344B1 (de) |
EP (1) | EP1156956B1 (de) |
JP (1) | JP3466569B2 (de) |
BR (1) | BR0008612A (de) |
DE (1) | DE19910132C1 (de) |
ES (1) | ES2190958T3 (de) |
WO (1) | WO2000051872A1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60113275T2 (de) * | 2000-07-22 | 2006-06-14 | Key Safety Systems Inc | Beheiztes lenkrad |
DE20013706U1 (de) * | 2000-08-09 | 2000-12-21 | Trw Automotive Safety Sys Gmbh | Lenkrad mit Dekorelement |
DE20013705U1 (de) * | 2000-08-09 | 2000-12-14 | Trw Automotive Safety Sys Gmbh | Lenkrad mit Dekorelement |
JP4223672B2 (ja) | 2000-10-31 | 2009-02-12 | エスアイアイ・ナノテクノロジー株式会社 | 梁状の膜パターン形成方法 |
US6815642B2 (en) * | 2001-12-19 | 2004-11-09 | Delphi Technologies, Inc. | Apparatus and method for heating a steering wheel |
DE10202243B4 (de) * | 2001-12-31 | 2005-12-15 | Seton Entwicklungs Gmbh | Vorrichtung zur Beheizung eines Lenkrades |
DE10222946C1 (de) * | 2002-05-24 | 2003-10-30 | Sidler Gmbh & Co | Widerstandsheizung |
US6727467B1 (en) * | 2003-01-31 | 2004-04-27 | W.E.T. Automotive Systems Ag | Heated handle and method of forming same |
US20040155029A1 (en) * | 2003-02-06 | 2004-08-12 | Haag Ronald H. | Preformed heating element and method of making |
US7019261B2 (en) | 2003-02-06 | 2006-03-28 | Delphi Technologies, Inc. | Apparatus and method for a steering wheel with a preformed heating element |
DE10346942B3 (de) * | 2003-10-09 | 2005-06-30 | Formtec Technische Formholzteile Gmbh | Beheizbare Lenkvorrichtung, Halbfertigteil hierfür und Verfahren zur Herstellung eines Halbfertigteils |
DE102004027008A1 (de) * | 2004-05-28 | 2005-12-29 | Takata-Petri Ag | Beheizbares Furnierelement für Kfz-Lenkräder und Verfahren zur Herstellung eines solchen Furnierelementes |
DE202005013294U1 (de) * | 2005-08-22 | 2005-11-17 | Pki Preusser Kunststoff- Und Industrielackierung Gmbh | Beheizbares Griffelement |
US7378615B1 (en) | 2006-06-12 | 2008-05-27 | King Jason A | Steering wheel heating apparatus |
JP5526519B2 (ja) * | 2008-09-25 | 2014-06-18 | 豊田合成株式会社 | ステアリングホイール |
DE102008061105A1 (de) * | 2008-12-09 | 2010-06-10 | GM Global Technology Operations, Inc., Detroit | Bedienelement |
KR20120039692A (ko) * | 2009-08-06 | 2012-04-25 | 노스 아메리칸 레스큐, 엘엘씨 | 직접적으로 적용되는 차량 운전대용 히터 |
US8294066B2 (en) * | 2010-11-19 | 2012-10-23 | Eaton Corporation | Thermally and electrically conductive element |
US8803037B2 (en) | 2011-06-06 | 2014-08-12 | Autoliv Asp, Inc. | Carbon polymer paint steering wheel heating system |
DE102012023996A1 (de) | 2012-09-28 | 2014-06-12 | W.E.T. Automotive Systems Ag | Temperiereinrichtung für Griffe, insbesondere von Lenkeinrichtungen |
US20150028015A1 (en) * | 2013-07-24 | 2015-01-29 | Youngmin Hi-Tech Co., Ltd. | Heating system for steering wheel |
DE102013017319A1 (de) * | 2013-10-18 | 2015-04-23 | Trw Automotive Safety Systems Gmbh | Verfahren, Werkzeug und Werkzeugbaugruppe zum Einbringen eines elektrischen Leiters in eine Umschäumung eines Lenkradskeletts, und Fahrzeuglenkrad |
JP6123686B2 (ja) * | 2014-01-10 | 2017-05-10 | 豊田合成株式会社 | ステアリングホイール |
WO2015175335A1 (en) | 2014-05-13 | 2015-11-19 | Gentherm Gmbh | Temperature control device for a steering device |
DE112015002408B4 (de) | 2014-05-22 | 2022-10-27 | Joyson Safety Systems Acquisition Llc | Systeme und Verfahren zum Abschirmen eines Handsensorsystems in einem Lenkrad |
DE112015002601T5 (de) | 2014-06-02 | 2017-05-04 | Tk Holdings Inc. | Systeme und Verfahren zum Drucken von Sensorschaltkreisen auf eine Sensormatte für ein Lenkrad |
LU92690B1 (en) * | 2015-04-03 | 2016-10-04 | Iee Int Electronics & Eng Sa | Heating device for curved surfaces |
US10045401B2 (en) * | 2015-08-07 | 2018-08-07 | Kurabe Industrial Co., Ltd. | Heater unit and steering wheel |
JP2020082790A (ja) * | 2018-11-16 | 2020-06-04 | アイシン精機株式会社 | ステアリング装置 |
US10807628B2 (en) * | 2018-11-16 | 2020-10-20 | Aisin Seiki Kabushiki Kaisha | Steering apparatus |
DE102018222551A1 (de) | 2018-12-20 | 2020-06-25 | Joyson Safety Systems Germany Gmbh | Lenkrad für ein Kraftfahrzeug und Verfahren zum Herstellen eines Lenkrads |
FR3101597A1 (fr) | 2019-10-03 | 2021-04-09 | Autoliv Development Ab | Câblage supporté par nappe |
US11505233B2 (en) | 2020-08-25 | 2022-11-22 | Ford Global Technologies, Llc | Heated vehicle steering wheel having multiple controlled heating zones |
US11485399B2 (en) | 2020-09-10 | 2022-11-01 | Ford Global Technologies, Llc | Heated vehicle steering wheel having multiple heaters with integrated sensors |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58183348A (ja) * | 1982-04-20 | 1983-10-26 | Nippon Soken Inc | 自動車用ステアリング加熱装置 |
DE29712839U1 (de) * | 1997-07-10 | 1997-09-18 | Petri Ag | Heizbares Lenkrad |
EP0831117A1 (de) * | 1996-09-18 | 1998-03-25 | Basf Aktiengesellschaft | Elektrisch beheizbare Formteile |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5605643A (en) * | 1995-12-21 | 1997-02-25 | Reece; Mildred D. | Heated steering wheel with a plurality of radially extending wires for affording suitable heat conductivity |
DE29802578U1 (de) * | 1998-02-04 | 1998-06-10 | Petri Ag | Heizelement für ein begreifbares Teil eines Kraftfahrzeuges, insbesondere für das Lenkrad |
DE29802579U1 (de) * | 1998-02-04 | 1998-06-10 | Petri Ag | Heizungsanordnung für die Beheizung eines beweglichen Teils eines Kraftfahrzeuges, insbesondere Lenkradheizung |
WO2000029271A1 (en) * | 1998-11-17 | 2000-05-25 | Sang Kwan Han | Steering wheel for vehicles |
DE29902044U1 (de) * | 1999-02-05 | 1999-04-08 | Trw Automotive Safety Sys Gmbh | Heizbares Holzlenkrad |
DE69906925T2 (de) * | 1999-02-19 | 2004-02-12 | Breed Automotive Technology, Inc., Lakeland | Herstellungsverfahren für ein Kraftfahrzeuglenkrad mit einer äusseren Hülle aus Kohlenstofffasern und dadurch erlangtes Lenkrad |
EP1029770B1 (de) * | 1999-02-19 | 2003-04-16 | Breed Automotive Technology, Inc. | Herstellungsverfahren für ein Kraftfahrzeuglenkrad mit einer äusseren Hülle aus Verbundmaterial |
US6093908A (en) * | 1999-04-30 | 2000-07-25 | Delphi Technologies Inc. | Heated steering wheel |
US6172342B1 (en) * | 1999-09-15 | 2001-01-09 | Delphi Technologies, Inc. | Steering wheel heating system |
DE10027046A1 (de) * | 2000-06-02 | 2001-12-06 | Grosmann Gmbh | Holzlenkrad für Kraftfahrzeuge |
US6268588B1 (en) * | 2000-10-11 | 2001-07-31 | Ford Global Tech., Inc. | Steering wheel heater assembly and a method for heating a steering wheel |
-
1999
- 1999-03-01 DE DE19910132A patent/DE19910132C1/de not_active Expired - Fee Related
-
2000
- 2000-02-28 ES ES00916793T patent/ES2190958T3/es not_active Expired - Lifetime
- 2000-02-28 BR BR0008612-6A patent/BR0008612A/pt not_active IP Right Cessation
- 2000-02-28 WO PCT/DE2000/000672 patent/WO2000051872A1/de active IP Right Grant
- 2000-02-28 JP JP2000602117A patent/JP3466569B2/ja not_active Expired - Fee Related
- 2000-02-28 EP EP00916793A patent/EP1156956B1/de not_active Expired - Lifetime
-
2001
- 2001-08-31 US US09/943,421 patent/US6441344B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58183348A (ja) * | 1982-04-20 | 1983-10-26 | Nippon Soken Inc | 自動車用ステアリング加熱装置 |
EP0831117A1 (de) * | 1996-09-18 | 1998-03-25 | Basf Aktiengesellschaft | Elektrisch beheizbare Formteile |
DE29712839U1 (de) * | 1997-07-10 | 1997-09-18 | Petri Ag | Heizbares Lenkrad |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 8, no. 26 (M - 273)<1463> 3 February 1984 (1984-02-03) * |
Also Published As
Publication number | Publication date |
---|---|
BR0008612A (pt) | 2002-01-02 |
EP1156956B1 (de) | 2003-01-08 |
EP1156956A1 (de) | 2001-11-28 |
ES2190958T3 (es) | 2003-09-01 |
JP2002538044A (ja) | 2002-11-12 |
US6441344B1 (en) | 2002-08-27 |
JP3466569B2 (ja) | 2003-11-10 |
US20020036191A1 (en) | 2002-03-28 |
DE19910132C1 (de) | 2000-03-16 |
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