DE69509569T2 - Servolenkung - Google Patents

Servolenkung

Info

Publication number
DE69509569T2
DE69509569T2 DE69509569T DE69509569T DE69509569T2 DE 69509569 T2 DE69509569 T2 DE 69509569T2 DE 69509569 T DE69509569 T DE 69509569T DE 69509569 T DE69509569 T DE 69509569T DE 69509569 T2 DE69509569 T2 DE 69509569T2
Authority
DE
Germany
Prior art keywords
power steering
steering
power
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.)
Expired - Fee Related
Application number
DE69509569T
Other languages
English (en)
Other versions
DE69509569D1 (de
Inventor
Richard W Dymond
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Publication of DE69509569D1 publication Critical patent/DE69509569D1/de
Application granted granted Critical
Publication of DE69509569T2 publication Critical patent/DE69509569T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
    • B62D5/083—Rotary valves
    • B62D5/0835—Rotary valves characterised by means for actively influencing the deflection angle of the valve, e.g. depending on driving parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/02—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
DE69509569T 1994-02-02 1995-02-01 Servolenkung Expired - Fee Related DE69509569T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/190,274 US5452642A (en) 1994-02-02 1994-02-02 Power steering system with speed responsive force transmitting control

Publications (2)

Publication Number Publication Date
DE69509569D1 DE69509569D1 (de) 1999-06-17
DE69509569T2 true DE69509569T2 (de) 1999-12-16

Family

ID=22700661

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69509569T Expired - Fee Related DE69509569T2 (de) 1994-02-02 1995-02-01 Servolenkung

Country Status (5)

Country Link
US (1) US5452642A (de)
EP (1) EP0667280B1 (de)
BR (1) BR9500421A (de)
DE (1) DE69509569T2 (de)
ES (1) ES2136213T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10203384B4 (de) * 2002-01-29 2006-08-03 Trw Fahrwerksysteme Gmbh & Co Kg Servolenksystem
DE102007020766A1 (de) * 2007-05-03 2008-11-06 Trw Automotive Gmbh Abschneideventil

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ230397A3 (en) * 1995-12-09 1997-11-12 Trw Fahrwerksyst Gmbh & Co Steering system valve with closed center
WO1997021578A1 (de) * 1995-12-09 1997-06-19 Trw Fahrwerksysteme Gmbh & Co. Kg Lenkventil mit geschlossener mitte
US5771989A (en) * 1996-02-28 1998-06-30 Trw Inc. Power steering system
US5904222A (en) * 1996-11-06 1999-05-18 Ford Motor Company Variable assist power steering using vehicle speed and steering pressure
DE19745897A1 (de) * 1997-10-17 1999-04-22 Trw Fahrwerksyst Gmbh & Co Servolenkvorrichtung für Kraftfahrzeuge
US7143683B2 (en) * 2003-09-24 2006-12-05 Koyo Seiko Co., Ltd. Hydraulic power steering apparatus
JP2008037192A (ja) * 2006-08-03 2008-02-21 Hitachi Ltd パワーステアリング装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114159A (ja) * 1982-12-20 1984-07-02 Mitsubishi Motors Corp パワ−ステアリング装置
JPS60110571A (ja) * 1983-11-21 1985-06-17 Toyota Motor Corp 動力舵取装置
US4811806A (en) * 1985-08-03 1989-03-14 Zahnradfabrik Friedrichshafen, Ag. Servosteering, especially for motor vehicles
JPH0784180B2 (ja) * 1986-01-16 1995-09-13 豊田工機株式会社 動力舵取装置の操舵力制御装置
US4793433A (en) * 1986-07-21 1988-12-27 Jidosha Kiki Co., Ltd. Hydraulic reaction force apparatus for power steering system
US4906784A (en) * 1986-11-10 1990-03-06 Amoco Corporation Thermoplastic polyetherketones
US4819545A (en) * 1987-07-28 1989-04-11 Trw Inc. Power steering system
US5158149A (en) * 1989-02-17 1992-10-27 Jidosha Kiki Co., Ltd. Steering force control apparatus for power steering system
JPH0392477A (ja) * 1989-09-04 1991-04-17 Jidosha Kiki Co Ltd 動力舵取装置の油圧反力装置
US5190119A (en) * 1990-04-16 1993-03-02 Koyo Seiko Co., Ltd. Hydraulic power steering device responsive to speed of vehicle
US5046574A (en) * 1990-06-15 1991-09-10 General Motors Corporation Automotive power steering gear
JP2621600B2 (ja) * 1990-07-04 1997-06-18 日産自動車株式会社 パワーステアリングギヤの油圧バルブ装置
US5070957A (en) * 1990-11-20 1991-12-10 General Motors Corporation Variable effort automotive power steering gear
US5070958A (en) * 1991-03-15 1991-12-10 General Motors Corporation Variable effort steering gear
US5392875A (en) * 1991-12-23 1995-02-28 Ford Motor Company Hydraulic reaction variable assist power steering system
DE4201311C1 (de) * 1992-01-18 1993-02-25 Trw Ehrenreich Gmbh & Co Kg, 4000 Duesseldorf, De
US5293954A (en) * 1992-09-18 1994-03-15 Trw Inc. Power steering system
US5297647A (en) * 1993-03-18 1994-03-29 Ford Motor Company Variable assist power steering gear with hydraulic reaction controls

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10203384B4 (de) * 2002-01-29 2006-08-03 Trw Fahrwerksysteme Gmbh & Co Kg Servolenksystem
DE10203384B9 (de) * 2002-01-29 2007-01-18 Trw Fahrwerksysteme Gmbh & Co Kg Servolenksystem
DE102007020766A1 (de) * 2007-05-03 2008-11-06 Trw Automotive Gmbh Abschneideventil

Also Published As

Publication number Publication date
ES2136213T3 (es) 1999-11-16
US5452642A (en) 1995-09-26
DE69509569D1 (de) 1999-06-17
EP0667280B1 (de) 1999-05-12
BR9500421A (pt) 1995-10-17
EP0667280A1 (de) 1995-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee