IT1117438B - GUIDE VALVE WITH CLOSED CENTER - Google Patents

GUIDE VALVE WITH CLOSED CENTER

Info

Publication number
IT1117438B
IT1117438B IT49931/79A IT4993179A IT1117438B IT 1117438 B IT1117438 B IT 1117438B IT 49931/79 A IT49931/79 A IT 49931/79A IT 4993179 A IT4993179 A IT 4993179A IT 1117438 B IT1117438 B IT 1117438B
Authority
IT
Italy
Prior art keywords
guide valve
closed center
closed
center
valve
Prior art date
Application number
IT49931/79A
Other languages
Italian (it)
Other versions
IT7949931A0 (en
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 IT7949931A0 publication Critical patent/IT7949931A0/en
Application granted granted Critical
Publication of IT1117438B publication Critical patent/IT1117438B/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
    • B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
    • B62D5/22—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for rack-and-pinion type
    • 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
    • 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
    • B62D5/09—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 means for actuating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Safety Valves (AREA)
  • Vehicle Body Suspensions (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
IT49931/79A 1978-08-05 1979-08-01 GUIDE VALVE WITH CLOSED CENTER IT1117438B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834420A DE2834420C2 (en) 1978-08-05 1978-08-05 Steering valve

Publications (2)

Publication Number Publication Date
IT7949931A0 IT7949931A0 (en) 1979-08-01
IT1117438B true IT1117438B (en) 1986-02-17

Family

ID=6046332

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49931/79A IT1117438B (en) 1978-08-05 1979-08-01 GUIDE VALVE WITH CLOSED CENTER

Country Status (16)

Country Link
JP (1) JPS5539881A (en)
AR (1) AR220213A1 (en)
BE (1) BE878062A (en)
BR (1) BR7904925A (en)
CA (1) CA1113016A (en)
DD (1) DD145388A5 (en)
DE (1) DE2834420C2 (en)
DK (1) DK319279A (en)
ES (1) ES482914A1 (en)
FR (1) FR2432420A1 (en)
GB (1) GB2026965B (en)
IT (1) IT1117438B (en)
NL (1) NL7904822A (en)
PL (1) PL217528A1 (en)
SE (1) SE7906529L (en)
YU (1) YU41649B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838789C2 (en) * 1978-09-06 1987-03-12 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Steering valve with closed center for actuating the servo motor of a vehicle power steering system
JPS578332A (en) * 1980-06-16 1982-01-16 Nissan Motor Co Ltd Idle up unit for power steering
JPH08221Y2 (en) * 1985-05-20 1996-01-10 トヨタ自動車株式会社 Front and rear wheel steering device
US5934406A (en) * 1997-05-29 1999-08-10 Caterpillar Inc. Jerk control valve for pilot operated steering system
EP2138720A3 (en) * 2008-06-24 2010-01-20 MALI Holding AG Adjustment device for the adjustment of axial piston engines.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2131276C3 (en) * 1971-06-24 1979-03-01 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Power steering device for motor vehicles with central hydraulics
IT992718B (en) * 1972-08-26 1975-09-30 Langen & Co CONTROL APPARATUS OPERATING WITH A PRESSURE VESSEL
DE2242022C3 (en) * 1972-08-26 1980-11-20 Integral Hydraulik & Co, 4000 Duesseldorf Pressure medium sequence control for power steering or the like
DE2301415A1 (en) * 1973-01-12 1974-07-18 Daimler Benz Ag POWER STEERING FOR VEHICLES, IN PARTICULAR FOR MOTOR VEHICLES
DE2654366C2 (en) * 1976-12-01 1984-08-23 Gebr. Claas, 4834 Harsewinkel Hydraulic valve device

Also Published As

Publication number Publication date
YU41649B (en) 1987-12-31
JPS5539881A (en) 1980-03-21
DK319279A (en) 1980-02-06
DE2834420C2 (en) 1986-11-27
AR220213A1 (en) 1980-10-15
BR7904925A (en) 1980-04-22
IT7949931A0 (en) 1979-08-01
GB2026965A (en) 1980-02-13
ES482914A1 (en) 1980-04-16
YU153879A (en) 1983-02-28
PL217528A1 (en) 1980-06-02
DD145388A5 (en) 1980-12-10
CA1113016A (en) 1981-11-24
FR2432420A1 (en) 1980-02-29
DE2834420A1 (en) 1980-02-14
FR2432420B1 (en) 1982-09-10
SE7906529L (en) 1980-04-03
NL7904822A (en) 1980-02-07
BE878062A (en) 1979-12-03
GB2026965B (en) 1983-03-02

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