DE69726241D1 - Servolenkung mit variabler Unterstützung - Google Patents

Servolenkung mit variabler Unterstützung

Info

Publication number
DE69726241D1
DE69726241D1 DE69726241T DE69726241T DE69726241D1 DE 69726241 D1 DE69726241 D1 DE 69726241D1 DE 69726241 T DE69726241 T DE 69726241T DE 69726241 T DE69726241 T DE 69726241T DE 69726241 D1 DE69726241 D1 DE 69726241D1
Authority
DE
Germany
Prior art keywords
power steering
variable support
variable
support
steering
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 - Lifetime
Application number
DE69726241T
Other languages
English (en)
Other versions
DE69726241T2 (de
Inventor
Michael Liubakka
Timothy G Offerle
Paul Sisko
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Application granted granted Critical
Publication of DE69726241D1 publication Critical patent/DE69726241D1/de
Publication of DE69726241T2 publication Critical patent/DE69726241T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Power Steering Mechanism (AREA)
DE69726241T 1996-11-06 1997-10-31 Servolenkung mit variabler Unterstützung Expired - Lifetime DE69726241T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/743,869 US5904222A (en) 1996-11-06 1996-11-06 Variable assist power steering using vehicle speed and steering pressure
US743869 1996-11-06

Publications (2)

Publication Number Publication Date
DE69726241D1 true DE69726241D1 (de) 2003-12-24
DE69726241T2 DE69726241T2 (de) 2004-05-27

Family

ID=24990530

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69726241T Expired - Lifetime DE69726241T2 (de) 1996-11-06 1997-10-31 Servolenkung mit variabler Unterstützung

Country Status (4)

Country Link
US (1) US5904222A (de)
EP (1) EP0841238B1 (de)
JP (1) JPH10217991A (de)
DE (1) DE69726241T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1159467A (ja) * 1997-08-26 1999-03-02 Koyo Seiko Co Ltd パワーステアリング装置
DE19820381B4 (de) * 1998-05-07 2007-01-25 Trw Fahrwerksysteme Gmbh & Co Kg Verfahren zur Beeinflussung der Ventilkennlinie
JPH11334630A (ja) * 1998-05-22 1999-12-07 Koyo Seiko Co Ltd パワーステアリング装置
US6167334A (en) * 1999-01-05 2000-12-26 Ford Global Technologies, Inc. Method and apparatus for providing variable assist power steering
US6341552B1 (en) * 2000-04-27 2002-01-29 Eaton Corporation Self-calibrating system and method for controlling a hydraulically operated device
US6702048B2 (en) 2001-11-15 2004-03-09 Caterpillar Inc System and method for calibrating a differential steering system
US6975331B2 (en) * 2002-04-26 2005-12-13 Xerox Corporation Method and system for efficient interpolation using programmable node spacing
US6882913B2 (en) * 2003-01-29 2005-04-19 Ford Global Technologies, Llc Electrical control system for automotive vehicle having electrically assisted power steering
US6868934B2 (en) * 2003-07-09 2005-03-22 Honda Giken Kogyo Kabushiki Kaisha Variable power steering assist using driver grip pressure
DE202005006414U1 (de) * 2005-04-21 2005-08-04 Trw Automotive Gmbh Motor-Pumpen-Aggregat, insbesondere für eine Fahrzeug-Servolenkung
JP5051866B2 (ja) * 2005-04-28 2012-10-17 株式会社ジェイテクト 油圧式パワーステアリング装置
US7793752B2 (en) * 2005-05-05 2010-09-14 Gm Global Technology Operations, Inc. Method of determining boost direction in a power steering system
FR2933364B1 (fr) * 2008-07-07 2010-07-30 Jtekt Europe Sas Systeme de direction assistee electrique de vehicule automobile

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851773C2 (de) * 1978-11-30 1986-11-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulische Hilfskraftlenkeinrichtung für Kraftfahrzeuge
GB2166098B (en) * 1984-10-31 1987-10-28 Trw Cam Gears Ltd Vehicle hydraulic servo system
JPS6185574U (de) * 1984-11-12 1986-06-05
US4561521A (en) * 1984-12-06 1985-12-31 Ford Motor Company Variable assist power steering system
US4570736A (en) * 1985-01-07 1986-02-18 Ford Motor Company Dual flow variable assist power steering gear mechanism
JPS61247575A (ja) * 1985-04-25 1986-11-04 Toyoda Mach Works Ltd 動力舵取装置の操舵力制御装置
US4760892A (en) * 1986-09-02 1988-08-02 Ford Motor Company Variable assist power steering system using electronic pressure control
US4877099A (en) * 1986-09-02 1989-10-31 Ford Motor Company Electronically controlled variable assist power steering system
JPS63125476A (ja) * 1986-11-15 1988-05-28 Fuji Heavy Ind Ltd 電動式後輪操舵装置
JPS63297172A (ja) * 1987-05-29 1988-12-05 Jidosha Kiki Co Ltd 動力舵取装置の制御装置
US4768605A (en) * 1987-09-04 1988-09-06 Trw Inc. Apparatus for use in a power steering system
US4940103A (en) * 1987-10-14 1990-07-10 Hino Jidosha Kogyo Kabushiki Kaisha (Hino Motors, Ltd.) Power steering system for use in motor vehicle
US4828067A (en) * 1987-10-30 1989-05-09 Ford Motor Company Electronic power assist control steering system
US4926956A (en) * 1987-10-30 1990-05-22 Ford Motor Company Electronically controlled steering system
ES2014138A6 (es) * 1988-06-15 1990-06-16 Zahnradfabrik Friedrichshafen Direccion asistida para vehiculos automoviles.
US4914913A (en) * 1989-05-03 1990-04-10 Caterpillar Inc. Load responsive flow amplified control system for power steering
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
JPH042576A (ja) * 1990-04-19 1992-01-07 Jidosha Kiki Co Ltd パワーステアリングの操舵力制御システム
US5029513A (en) * 1990-04-27 1991-07-09 Ford Motor Company Variable-orifice, servo-solenoid valve for a variable-assist power steering system
JP2649857B2 (ja) * 1990-05-07 1997-09-03 日野自動車工業株式会社 パワー・ステアリング・アンド・リミッテッド・スリップ・ディファレンシャル・システム
US5307892A (en) * 1990-08-03 1994-05-03 Techco Corporation Electronically controlled power steering system
US5123497A (en) * 1990-12-20 1992-06-23 Ford Motor Company Automotive apparatus and method for dynamically determining centripetal force of a vehicle
JP2953537B2 (ja) * 1991-02-05 1999-09-27 自動車機器株式会社 動力舵取装置の操舵力制御装置
JPH05162652A (ja) * 1991-12-10 1993-06-29 Mitsubishi Motors Corp ステアリングハンドルの中立点推定方法
US5392875A (en) * 1991-12-23 1995-02-28 Ford Motor Company Hydraulic reaction variable assist power steering system
DE69324954T2 (de) * 1992-03-27 2000-02-24 Toyoda Machine Works Ltd Servolenkung
US5494127A (en) * 1992-09-18 1996-02-27 Trw Inc. Power steering system
KR100204643B1 (ko) * 1993-09-20 1999-06-15 홍순영 전자식 동력조향장치
JP3339131B2 (ja) * 1993-09-30 2002-10-28 豊田工機株式会社 動力舵取装置
US5452642A (en) * 1994-02-02 1995-09-26 Trw Inc. Power steering system with speed responsive force transmitting control
JP2914610B2 (ja) * 1994-06-28 1999-07-05 本田技研工業株式会社 電動パワーステアリング装置
US5564516A (en) * 1995-02-23 1996-10-15 Satcon Technology Corporation Clutched electric motor steering system
JP3525269B2 (ja) * 1995-03-09 2004-05-10 光洋精工株式会社 パワーステアリング装置
US5749431A (en) * 1996-06-06 1998-05-12 General Motors Corporation Vehicle power steering system

Also Published As

Publication number Publication date
EP0841238A3 (de) 2000-06-07
US5904222A (en) 1999-05-18
JPH10217991A (ja) 1998-08-18
DE69726241T2 (de) 2004-05-27
EP0841238B1 (de) 2003-11-19
EP0841238A2 (de) 1998-05-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)