BR8004815A - PROCESS AND DEVICE TO HYDRAULICALLY ASSIST THE ROTATION MOVEMENT OF A STEERING MANUAL STEERING WHEEL - Google Patents

PROCESS AND DEVICE TO HYDRAULICALLY ASSIST THE ROTATION MOVEMENT OF A STEERING MANUAL STEERING WHEEL

Info

Publication number
BR8004815A
BR8004815A BR8004815A BR8004815A BR8004815A BR 8004815 A BR8004815 A BR 8004815A BR 8004815 A BR8004815 A BR 8004815A BR 8004815 A BR8004815 A BR 8004815A BR 8004815 A BR8004815 A BR 8004815A
Authority
BR
Brazil
Prior art keywords
rotation movement
steering
steering wheel
hydraulically
assist
Prior art date
Application number
BR8004815A
Other languages
Portuguese (pt)
Inventor
Walter Wolfgang
R Schutze
Original Assignee
Zahnradfabrik Friedrichshafen
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 Zahnradfabrik Friedrichshafen filed Critical Zahnradfabrik Friedrichshafen
Publication of BR8004815A publication Critical patent/BR8004815A/en

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)
BR8004815A 1979-08-01 1980-07-31 PROCESS AND DEVICE TO HYDRAULICALLY ASSIST THE ROTATION MOVEMENT OF A STEERING MANUAL STEERING WHEEL BR8004815A (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 (1)

Publication Number Publication Date
BR8004815A true BR8004815A (en) 1981-02-10

Family

ID=6077307

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8004815A BR8004815A (en) 1979-08-01 1980-07-31 PROCESS AND DEVICE TO HYDRAULICALLY ASSIST THE ROTATION MOVEMENT OF A STEERING MANUAL STEERING WHEEL

Country Status (9)

Country Link
JP (1) JPS56128270A (en)
AR (1) AR222235A1 (en)
BR (1) BR8004815A (en)
DE (1) DE2931139C2 (en)
ES (1) ES493655A0 (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
FR2463039A1 (en) 1981-02-20
FR2463039B1 (en) 1984-07-20
DE2931139A1 (en) 1981-02-05
ES8106674A1 (en) 1981-09-01
SE443960B (en) 1986-03-17
JPS56128270A (en) 1981-10-07
IT8046870A1 (en) 1982-01-31
DE2931139C2 (en) 1984-01-05
IT1154070B (en) 1987-01-21
SE8005464L (en) 1981-02-02
GB2055718B (en) 1983-08-03
IT8046870A0 (en) 1980-07-31
GB2055718A (en) 1981-03-11
ES493655A0 (en) 1981-09-01
JPH0134825B2 (en) 1989-07-21
AR222235A1 (en) 1981-04-30

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950731