IT1154070B - PROCEDURE AND DEVICE FOR HYDRAULIC SERVO ASSISTANCE OF A STEERING MOVEMENT OF A MANUALLY OPERATED STEERING WHEEL - Google Patents

PROCEDURE AND DEVICE FOR HYDRAULIC SERVO ASSISTANCE OF A STEERING MOVEMENT OF A MANUALLY OPERATED STEERING WHEEL

Info

Publication number: IT1154070B
Authority: IT; Italy
Prior art keywords: procedure; manually operated; hydraulic servo; steering wheel; servo assistance
Prior art date: 1979-08-01

Application number

IT46870/80A

Other languages

Italian (it)

Other versions

IT8046870A0 (en

IT8046870A1 (en

Inventor

Ronald Schutze

Walter Wolfang

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.)

1979-08-01

Filing date

1980-07-31

Publication date

1987-01-21

1980-07-31 Application filed by Zahnradfabrik Friedrichshafen filed Critical Zahnradfabrik Friedrichshafen

1980-07-31 Publication of IT8046870A0 publication Critical patent/IT8046870A0/en

1982-01-31 Publication of IT8046870A1 publication Critical patent/IT8046870A1/en

1987-01-21 Application granted granted Critical

1987-01-21 Publication of IT1154070B publication Critical patent/IT1154070B/en

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)

IT46870/80A 1979-08-01 1980-07-31 PROCEDURE AND DEVICE FOR HYDRAULIC SERVO ASSISTANCE OF A STEERING MOVEMENT OF A MANUALLY OPERATED STEERING WHEEL IT1154070B (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 (3)

Publication Number	Publication Date
IT8046870A0 IT8046870A0 (en)	1980-07-31
IT8046870A1 IT8046870A1 (en)	1982-01-31
IT1154070B true IT1154070B (en)	1987-01-21

Family

ID=6077307

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT46870/80A IT1154070B (en)	1979-08-01	1980-07-31	PROCEDURE AND DEVICE FOR HYDRAULIC SERVO ASSISTANCE OF A STEERING MOVEMENT OF A MANUALLY OPERATED 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)	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 device
JPS61102379A (en) *	1984-10-22	1986-05-21	Atsugi Motor Parts Co Ltd	power steering device
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 AMPLIFIER 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

1979
- 1979-08-01 DE DE2931139A patent/DE2931139C2/en not_active Expired
1980
- 1980-07-10 AR AR281721A patent/AR222235A1/en active
- 1980-07-24 ES ES493655A patent/ES8106674A1/en not_active Expired
- 1980-07-25 GB GB8024486A patent/GB2055718B/en not_active Expired
- 1980-07-30 JP JP10492780A patent/JPS56128270A/en active Granted
- 1980-07-30 SE SE8005464A patent/SE443960B/en not_active IP Right Cessation
- 1980-07-31 IT IT46870/80A patent/IT1154070B/en active
- 1980-07-31 BR BR8004815A patent/BR8004815A/en not_active IP Right Cessation
- 1980-08-01 FR FR8017245A patent/FR2463039A1/en active Granted

Also Published As

Publication number	Publication date
IT8046870A0 (en)	1980-07-31
DE2931139C2 (en)	1984-01-05
BR8004815A (en)	1981-02-10
ES493655A0 (en)	1981-09-01
FR2463039B1 (en)	1984-07-20
JPS56128270A (en)	1981-10-07
DE2931139A1 (en)	1981-02-05
FR2463039A1 (en)	1981-02-20
SE8005464L (en)	1981-02-02
JPH0134825B2 (en)	1989-07-21
GB2055718A (en)	1981-03-11
AR222235A1 (en)	1981-04-30
GB2055718B (en)	1983-08-03
ES8106674A1 (en)	1981-09-01
IT8046870A1 (en)	1982-01-31
SE443960B (en)	1986-03-17

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