FR2390320B1 - - Google Patents

Info

Publication number
FR2390320B1
FR2390320B1 FR7813622A FR7813622A FR2390320B1 FR 2390320 B1 FR2390320 B1 FR 2390320B1 FR 7813622 A FR7813622 A FR 7813622A FR 7813622 A FR7813622 A FR 7813622A FR 2390320 B1 FR2390320 B1 FR 2390320B1
Authority
FR
France
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
FR7813622A
Other versions
FR2390320A1 (fr
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.)
Audi AG
Original Assignee
Audi NSU Auto Union AG
Audi 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 Audi NSU Auto Union AG, Audi AG filed Critical Audi NSU Auto Union AG
Publication of FR2390320A1 publication Critical patent/FR2390320A1/fr
Application granted granted Critical
Publication of FR2390320B1 publication Critical patent/FR2390320B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08Power-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
    • B62D5/087Sliding spool valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/30Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
    • B62D5/32Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means for telemotor systems
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/8667Reciprocating valve
    • Y10T137/86694Piston valve
    • Y10T137/8671With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
FR7813622A 1977-05-12 1978-05-09 Direction assistee pour vehicules automobiles Granted FR2390320A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2721414A DE2721414C3 (de) 1977-05-12 1977-05-12 Hydraulische Hilfskraftlenkung für Kraftfahrzeuge

Publications (2)

Publication Number Publication Date
FR2390320A1 FR2390320A1 (fr) 1978-12-08
FR2390320B1 true FR2390320B1 (fr) 1983-07-29

Family

ID=6008746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813622A Granted FR2390320A1 (fr) 1977-05-12 1978-05-09 Direction assistee pour vehicules automobiles

Country Status (4)

Country Link
US (1) US4228866A (fr)
DE (1) DE2721414C3 (fr)
FR (1) FR2390320A1 (fr)
GB (1) GB1593019A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075932B (en) * 1980-05-14 1983-09-01 Cam Gears Ltd Power assisted vehicle steering system
DE3122368A1 (de) * 1981-06-05 1982-12-23 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydrolenkung
DE3126226A1 (de) * 1981-07-03 1983-01-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydrostatische lenkeinrichtung
US4475440A (en) * 1982-11-15 1984-10-09 Trw Inc. Power steering control apparatus
FR2716518B1 (fr) * 1994-02-24 1996-04-05 Peugeot Dispositif de transmission d'énergie de commande mécanique.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE569714A (fr) * 1957-07-24
US3106938A (en) * 1962-02-14 1963-10-15 Clark Equipment Co Hydraulic vavle
GB1303280A (fr) * 1970-12-23 1973-01-17
US4033236A (en) * 1971-12-27 1977-07-05 Caterpillar Tractor Co. All hydraulic motor grader circuitry

Also Published As

Publication number Publication date
DE2721414A1 (de) 1978-11-16
US4228866A (en) 1980-10-21
FR2390320A1 (fr) 1978-12-08
DE2721414B2 (de) 1979-10-31
GB1593019A (en) 1981-07-15
DE2721414C3 (de) 1980-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse