DE3126226C2 - - Google Patents

Info

Publication number
DE3126226C2
DE3126226C2 DE3126226A DE3126226A DE3126226C2 DE 3126226 C2 DE3126226 C2 DE 3126226C2 DE 3126226 A DE3126226 A DE 3126226A DE 3126226 A DE3126226 A DE 3126226A DE 3126226 C2 DE3126226 C2 DE 3126226C2
Authority
DE
Germany
Prior art keywords
valve
pressure
piston
check valve
steering device
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
DE3126226A
Other languages
German (de)
English (en)
Other versions
DE3126226A1 (de
Inventor
Karl-Heinz 7070 Schwaebisch Gmuend De Liebert
Werner 7072 Heubach-Lautern De Tischer
Rolf 7075 Mutlangen De Fassbender
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
Priority to DE19813126226 priority Critical patent/DE3126226A1/de
Priority to DK297682A priority patent/DK158291C/da
Publication of DE3126226A1 publication Critical patent/DE3126226A1/de
Priority to US06/662,700 priority patent/US4553390A/en
Application granted granted Critical
Publication of DE3126226C2 publication Critical patent/DE3126226C2/de
Granted 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
    • B62D5/09—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7771—Bi-directional flow valves
    • Y10T137/778—Axes of ports co-axial

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19813126226 1981-07-03 1981-07-03 Hydrostatische lenkeinrichtung Granted DE3126226A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19813126226 DE3126226A1 (de) 1981-07-03 1981-07-03 Hydrostatische lenkeinrichtung
DK297682A DK158291C (da) 1981-07-03 1982-07-02 Hydrostatisk styreindretning til koeretoejer
US06/662,700 US4553390A (en) 1981-07-03 1984-10-19 Hydrostatic steering arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813126226 DE3126226A1 (de) 1981-07-03 1981-07-03 Hydrostatische lenkeinrichtung

Publications (2)

Publication Number Publication Date
DE3126226A1 DE3126226A1 (de) 1983-01-20
DE3126226C2 true DE3126226C2 (en, 2012) 1987-12-23

Family

ID=6135999

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813126226 Granted DE3126226A1 (de) 1981-07-03 1981-07-03 Hydrostatische lenkeinrichtung

Country Status (3)

Country Link
US (1) US4553390A (en, 2012)
DE (1) DE3126226A1 (en, 2012)
DK (1) DK158291C (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640094A (en) * 1986-02-04 1987-02-03 Deere & Company Flow amplifying steering system
DE3909210A1 (de) * 1989-03-21 1990-09-27 Teves Gmbh Alfred Elektrohydraulische lenkhilfe fuer kraftfahrzeuge
US5289892A (en) * 1990-09-26 1994-03-01 Nissan Diesel Motor Co., Ltd. Steerable trailer and steering apparatus of combination vehicle
DE4338847C1 (de) * 1993-11-13 1995-02-16 Hydraulik Nord Gmbh Hydraulische Lenkeinrichtung
DE19714785B4 (de) * 1997-04-10 2005-07-21 Sauer-Danfoss Holding Aps Hydraulische Lenkeinrichtung
JPH11245831A (ja) * 1998-03-05 1999-09-14 Toyoda Mach Works Ltd 油圧式動力舵取装置
DE19842066A1 (de) * 1998-09-15 2000-03-23 Daimler Chrysler Ag Lenksystem für ein Fahrzeug
US8167081B2 (en) * 2009-11-06 2012-05-01 Deere & Company Dual mode hydrostatic steering system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2328979A (en) * 1942-05-16 1943-09-07 Vickers Inc Power transmission
US3472261A (en) * 1966-01-05 1969-10-14 Racine Hydraulics Inc Directional control valve
US3497032A (en) * 1968-07-01 1970-02-24 Allis Chalmers Mfg Co Balanced hydraulic steering system
US3518829A (en) * 1968-10-08 1970-07-07 Haim J Kamner Fluid motor brake mechanism
DE1814794C3 (de) * 1968-12-14 1979-04-12 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Lenkeinrichtung mit hydraulischer Hilfskraft für Kraftfahrzeuge mit Knickgelenk
DE2061868C3 (de) * 1970-12-16 1981-01-15 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hilfskraftlenkung, insbesondere für Kraftfahrzeuge
DE2242346A1 (de) * 1972-08-29 1974-03-14 Langen & Co Hydraulische servolenkeinrichtung
US4044791A (en) * 1975-12-10 1977-08-30 City Tank Corporation Valve assembly
US4144947A (en) * 1976-12-10 1979-03-20 David Brown Tractors Limited Power steering systems
DE2721414C3 (de) * 1977-05-12 1980-07-17 Audi Nsu Auto Union Ag, 7107 Neckarsulm Hydraulische Hilfskraftlenkung für Kraftfahrzeuge
DE2749353C2 (de) * 1977-11-04 1983-08-04 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Druckmittelsteuereinrichtung, insbesondere für hydrostatische Lenkeinrichtungen von Kraftfahrzeugen
US4349041A (en) * 1979-08-20 1982-09-14 Nl Industries, Inc. Control valve system for blowout preventers

Also Published As

Publication number Publication date
DK297682A (da) 1983-01-04
DK158291C (da) 1990-10-01
DK158291B (da) 1990-04-30
DE3126226A1 (de) 1983-01-20
US4553390A (en) 1985-11-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ZF FRIEDRICHSHAFEN AG, 7990 FRIEDRICHSHAFEN, DE

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee