GB2055718B - Hydraulic assistance of a steering handwheel - Google Patents

Hydraulic assistance of a steering handwheel

Info

Publication number
GB2055718B
GB2055718B GB8024486A GB8024486A GB2055718B GB 2055718 B GB2055718 B GB 2055718B GB 8024486 A GB8024486 A GB 8024486A GB 8024486 A GB8024486 A GB 8024486A GB 2055718 B GB2055718 B GB 2055718B
Authority
GB
United Kingdom
Prior art keywords
steering handwheel
hydraulic assistance
assistance
hydraulic
handwheel
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
Application number
GB8024486A
Other versions
GB2055718A (en
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of GB2055718A publication Critical patent/GB2055718A/en
Application granted granted Critical
Publication of GB2055718B publication Critical patent/GB2055718B/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Servomotors (AREA)
GB8024486A 1979-08-01 1980-07-25 Hydraulic assistance of a steering handwheel Expired GB2055718B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2931139A DE2931139C2 (en) 1979-08-01 1979-08-01 Control valve with open center position

Publications (2)

Publication Number Publication Date
GB2055718A GB2055718A (en) 1981-03-11
GB2055718B true GB2055718B (en) 1983-08-03

Family

ID=6077307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8024486A Expired GB2055718B (en) 1979-08-01 1980-07-25 Hydraulic assistance of a steering handwheel

Country Status (9)

Country Link
JP (1) JPS56128270A (en)
AR (1) AR222235A1 (en)
BR (1) BR8004815A (en)
DE (1) DE2931139C2 (en)
ES (1) ES8106674A1 (en)
FR (1) FR2463039A1 (en)
GB (1) GB2055718B (en)
IT (1) IT1154070B (en)
SE (1) SE443960B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122368A1 (en) * 1981-06-05 1982-12-23 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen HYDRO CONTROL
US4587886A (en) * 1983-04-28 1986-05-13 Jidosha Kiki Co., Ltd. Power steering device
JPS60199765A (en) * 1984-03-24 1985-10-09 Atsugi Motor Parts Co Ltd Power steering apparatus
JPS6133368A (en) * 1984-07-26 1986-02-17 Atsugi Motor Parts Co Ltd Power steering
JPS61102379A (en) * 1984-10-22 1986-05-21 Atsugi Motor Parts Co Ltd Power steering
JPS61278467A (en) * 1985-06-03 1986-12-09 Jidosha Kiki Co Ltd Valve sleeve and manufacture thereof
DE3527869A1 (en) * 1985-08-02 1987-02-12 Atsugi Motor Parts Co Ltd Power-assist device for a motor vehicle steering system
US4953416A (en) * 1985-08-21 1990-09-04 Atsugi Motor Parts Company Limited Power steering valve with two spools of different size to compensate unbalanced cylinder
DE102013107097A1 (en) * 2013-07-05 2015-01-08 Zf Lenksysteme Gmbh PISTON VALVE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB589359A (en) * 1944-12-04 1947-06-18 Automotive Prod Co Ltd Improvements in or relating to fluid pressure servo-motor systems
US2702529A (en) * 1952-04-23 1955-02-22 Gen Motors Corp Valve adapted for hydraulic power steering uses
DE1250751B (en) * 1954-01-26 1967-09-14 General Motors Corporation De troit, Mich (V St A) Control valve for power steering
GB1280302A (en) * 1969-09-22 1972-07-05 Bendiberica Sa Improvements in servo-steering devices
DE2162631C3 (en) * 1971-12-17 1979-09-13 Integral Hydraulik & Co, 4000 Duesseldorf Arrangement for limiting the steering force in hydraulic power steering systems of vehicles
DE2745987C2 (en) * 1977-10-13 1982-10-21 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulic power steering, in particular for motor vehicles

Also Published As

Publication number Publication date
JPS56128270A (en) 1981-10-07
ES493655A0 (en) 1981-09-01
FR2463039A1 (en) 1981-02-20
SE8005464L (en) 1981-02-02
GB2055718A (en) 1981-03-11
ES8106674A1 (en) 1981-09-01
DE2931139A1 (en) 1981-02-05
AR222235A1 (en) 1981-04-30
JPH0134825B2 (en) 1989-07-21
IT8046870A0 (en) 1980-07-31
IT8046870A1 (en) 1982-01-31
DE2931139C2 (en) 1984-01-05
FR2463039B1 (en) 1984-07-20
SE443960B (en) 1986-03-17
BR8004815A (en) 1981-02-10
IT1154070B (en) 1987-01-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940725