FR2491423A1 - Direction assistee hydrostatique - Google Patents

Direction assistee hydrostatique Download PDF

Info

Publication number
FR2491423A1
FR2491423A1 FR8118660A FR8118660A FR2491423A1 FR 2491423 A1 FR2491423 A1 FR 2491423A1 FR 8118660 A FR8118660 A FR 8118660A FR 8118660 A FR8118660 A FR 8118660A FR 2491423 A1 FR2491423 A1 FR 2491423A1
Authority
FR
France
Prior art keywords
spring
blades
support
longitudinal
drive shaft
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.)
Granted
Application number
FR8118660A
Other languages
English (en)
French (fr)
Other versions
FR2491423B1 (enExample
Inventor
Karl-Heinz Liebert
Rolf Fassbender
Werner Tischer
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 FR2491423A1 publication Critical patent/FR2491423A1/fr
Application granted granted Critical
Publication of FR2491423B1 publication Critical patent/FR2491423B1/fr
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
    • B62D5/08—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
    • B62D5/083—Rotary valves
    • 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
    • B62D5/093—Telemotor driven by steering wheel movement
    • B62D5/097—Telemotor driven by steering wheel movement gerotor type
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Safety Valves (AREA)
  • Power Steering Mechanism (AREA)
  • Rotary Pumps (AREA)
FR8118660A 1980-10-04 1981-10-01 Direction assistee hydrostatique Granted FR2491423A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3037660A DE3037660C2 (de) 1980-10-04 1980-10-04 Hydrostatische Hilfskraftlenkung

Publications (2)

Publication Number Publication Date
FR2491423A1 true FR2491423A1 (fr) 1982-04-09
FR2491423B1 FR2491423B1 (enExample) 1984-11-30

Family

ID=6113687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8118660A Granted FR2491423A1 (fr) 1980-10-04 1981-10-01 Direction assistee hydrostatique

Country Status (7)

Country Link
US (1) US4466243A (enExample)
BR (1) BR8106273A (enExample)
DE (1) DE3037660C2 (enExample)
DK (1) DK154691C (enExample)
FR (1) FR2491423A1 (enExample)
GB (1) GB2086324B (enExample)
SU (1) SU1122215A3 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
YU180488A (en) * 1987-11-26 1991-02-28 Zahnradfabrik Friedrichshafen Steering hydrostatic servo device, especially for motor vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2261435A1 (enExample) * 1974-02-19 1975-09-12 Trw Inc
FR2264701A1 (enExample) * 1974-03-22 1975-10-17 Trw Inc
GB1557815A (en) * 1972-07-19 1979-12-12 Bendix Westinghouse Ltd Hydraulic power assistance control device
FR2456028A1 (fr) * 1979-05-11 1980-12-05 Zahnradfabrik Friedrichshafen Mecanisme hydrostatique de direction assistee
FR2456027A1 (fr) * 1979-05-11 1980-12-05 Zahnradfabrik Friedrichshafen Mecanisme hydrostatique de direction assistee, notamment pour vehicules automobiles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2044451A (en) * 1935-09-23 1936-06-16 Perfect Circle Co Piston ring expander
US2632398A (en) * 1946-12-05 1953-03-24 Oilgear Co Spring for urging outward the vanes of vane type hydrodynamic machines
US2984215A (en) * 1958-11-25 1961-05-16 Controller for fluid pressure operated devices
DE1751979C3 (de) * 1968-08-27 1981-01-22 Trw Inc., Cleveland, Ohio (V.St.A.) Hydraulische Steuereinrichtung
US4016949A (en) * 1975-11-24 1977-04-12 Allis-Chalmers Corporation Hydrostatic load sensitive regenerative steering system
DE2814230C3 (de) * 1978-04-03 1980-09-18 Danfoss A/S, Nordborg (Daenemark) Federanordnung zur Zentrierung eines Drehschieber-Steuerventils einer hydrostatischen Lenkeinheit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557815A (en) * 1972-07-19 1979-12-12 Bendix Westinghouse Ltd Hydraulic power assistance control device
FR2261435A1 (enExample) * 1974-02-19 1975-09-12 Trw Inc
FR2264701A1 (enExample) * 1974-03-22 1975-10-17 Trw Inc
FR2456028A1 (fr) * 1979-05-11 1980-12-05 Zahnradfabrik Friedrichshafen Mecanisme hydrostatique de direction assistee
FR2456027A1 (fr) * 1979-05-11 1980-12-05 Zahnradfabrik Friedrichshafen Mecanisme hydrostatique de direction assistee, notamment pour vehicules automobiles

Also Published As

Publication number Publication date
DE3037660A1 (de) 1982-04-22
GB2086324A (en) 1982-05-12
SU1122215A3 (ru) 1984-10-30
DK154691C (da) 1989-05-08
DE3037660C2 (de) 1982-12-02
GB2086324B (en) 1984-07-18
BR8106273A (pt) 1982-06-15
DK154691B (da) 1988-12-12
DK434881A (da) 1982-04-05
US4466243A (en) 1984-08-21
FR2491423B1 (enExample) 1984-11-30

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Legal Events

Date Code Title Description
ST Notification of lapse