DE69721195D1 - Steuerventil für eine Servolenkung - Google Patents

Steuerventil für eine Servolenkung

Info

Publication number
DE69721195D1
DE69721195D1 DE69721195T DE69721195T DE69721195D1 DE 69721195 D1 DE69721195 D1 DE 69721195D1 DE 69721195 T DE69721195 T DE 69721195T DE 69721195 T DE69721195 T DE 69721195T DE 69721195 D1 DE69721195 D1 DE 69721195D1
Authority
DE
Germany
Prior art keywords
control valve
power steering
steering
power
valve
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 - Fee Related
Application number
DE69721195T
Other languages
English (en)
Other versions
DE69721195T2 (de
Inventor
Daniel J Strong
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of DE69721195D1 publication Critical patent/DE69721195D1/de
Publication of DE69721195T2 publication Critical patent/DE69721195T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B62D5/0837—Rotary valves characterised by the shape of the control edges, e.g. to reduce noise
    • 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
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86654—For plural lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
DE69721195T 1996-12-09 1997-12-09 Steuerventil für eine Servolenkung Expired - Fee Related DE69721195T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US762600 1996-12-09
US08/762,600 US5975137A (en) 1996-12-09 1996-12-09 Power steering control valve

Publications (2)

Publication Number Publication Date
DE69721195D1 true DE69721195D1 (de) 2003-05-28
DE69721195T2 DE69721195T2 (de) 2004-04-15

Family

ID=25065539

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69721195T Expired - Fee Related DE69721195T2 (de) 1996-12-09 1997-12-09 Steuerventil für eine Servolenkung

Country Status (4)

Country Link
US (1) US5975137A (de)
EP (1) EP0846607B1 (de)
JP (1) JP3084263B2 (de)
DE (1) DE69721195T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003093089A1 (en) * 2002-05-03 2003-11-13 Trw Automotive U.S. Llc Power steering control valve
US7152627B2 (en) * 2004-04-05 2006-12-26 R. H. Sheppard Co., Inc. Control valve for a hydraulic power steering system
US9435446B1 (en) * 2014-07-24 2016-09-06 Google Inc. Rotary valve with brake mode
US9611946B1 (en) 2015-08-17 2017-04-04 Google Inc. Rotary hydraulic valve
US11624447B2 (en) * 2019-05-13 2023-04-11 Boston Dynamics, Inc. Rotary valve assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08104246A (ja) * 1994-10-05 1996-04-23 Toyota Motor Corp 動力舵取装置
AU695874B2 (en) * 1994-12-26 1998-08-27 Koyo Seiko Co., Ltd. Hydraulic pressure control valve
US5582207A (en) * 1995-03-14 1996-12-10 Trw Inc. Steering control valve with flow gaps which change relative size for noise suppression
US5690143A (en) * 1996-04-08 1997-11-25 General Motors Corporation Valve for power steering gear

Also Published As

Publication number Publication date
EP0846607B1 (de) 2003-04-23
JPH10175558A (ja) 1998-06-30
EP0846607A3 (de) 1998-11-18
EP0846607A2 (de) 1998-06-10
DE69721195T2 (de) 2004-04-15
JP3084263B2 (ja) 2000-09-04
US5975137A (en) 1999-11-02

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee