DE69309837D1 - Steuerventil mit abgeschrägten Steuerflächen für eine Lenkung - Google Patents

Steuerventil mit abgeschrägten Steuerflächen für eine Lenkung

Info

Publication number
DE69309837D1
DE69309837D1 DE69309837T DE69309837T DE69309837D1 DE 69309837 D1 DE69309837 D1 DE 69309837D1 DE 69309837 T DE69309837 T DE 69309837T DE 69309837 T DE69309837 T DE 69309837T DE 69309837 D1 DE69309837 D1 DE 69309837D1
Authority
DE
Germany
Prior art keywords
steering
bevelled
control
control valve
control surfaces
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
DE69309837T
Other languages
English (en)
Other versions
DE69309837T2 (de
Inventor
Hermann W Behrens
George M Harpole
Jane Ming-Chin Lin
Michael F Wolff
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
Publication of DE69309837D1 publication Critical patent/DE69309837D1/de
Application granted granted Critical
Publication of DE69309837T2 publication Critical patent/DE69309837T2/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
    • 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
    • Y10T137/86662—Axial and radial flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Sliding Valves (AREA)
DE69309837T 1992-09-21 1993-08-24 Steuerventil mit abgeschrägten Steuerflächen für eine Lenkung Expired - Fee Related DE69309837T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/948,025 US5207244A (en) 1992-09-21 1992-09-21 Steering control valve with contoured control surfaces

Publications (2)

Publication Number Publication Date
DE69309837D1 true DE69309837D1 (de) 1997-05-22
DE69309837T2 DE69309837T2 (de) 1997-11-27

Family

ID=25487138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69309837T Expired - Fee Related DE69309837T2 (de) 1992-09-21 1993-08-24 Steuerventil mit abgeschrägten Steuerflächen für eine Lenkung

Country Status (4)

Country Link
US (1) US5207244A (de)
EP (1) EP0592095B1 (de)
JP (1) JP2925056B2 (de)
DE (1) DE69309837T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207244A (en) * 1992-09-21 1993-05-04 Trw Inc. Steering control valve with contoured control surfaces
US5417244A (en) * 1994-02-07 1995-05-23 Trw Inc. Valve with noise reducing two stage pressure drop
AU695874B2 (en) * 1994-12-26 1998-08-27 Koyo Seiko Co., Ltd. Hydraulic pressure control valve
US5562124A (en) * 1995-02-21 1996-10-08 Trw Inc. Steering control valve with different size flow gaps for noise suppression
US5582207A (en) * 1995-03-14 1996-12-10 Trw Inc. Steering control valve with flow gaps which change relative size for noise suppression
US5562017A (en) * 1995-04-17 1996-10-08 Trw Inc. Reusable press fit connection of a hydraulic power apparatus and method of assembly
US5794507A (en) * 1996-12-09 1998-08-18 Trw Inc. Power steering control valve with back pressure
JP2000159130A (ja) * 1998-11-30 2000-06-13 Koyo Seiko Co Ltd 油圧制御弁及びこれを用いた動力舵取装置
US7152627B2 (en) * 2004-04-05 2006-12-26 R. H. Sheppard Co., Inc. Control valve for a hydraulic power steering system
JP4584303B2 (ja) * 2007-12-25 2010-11-17 日立オートモティブシステムズ株式会社 パワーステアリング装置およびその製造方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022772A (en) * 1957-10-02 1962-02-27 Gen Motors Corp Rotary power steering valve with torsion bar centering
US4300594A (en) * 1978-07-27 1981-11-17 Bendiberica S.A. Hydraulic rotary distributor, particularly for power steering mechanisms
DE2835815C2 (de) * 1978-08-16 1986-09-18 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Drehschieberlenkventil für Hilfskraftlenkungen
ES8100189A1 (es) * 1979-01-26 1980-11-01 Arthur Ern Bishop Perfeccionamientos en las valvulas de mando hidraulico para sistemas de direccion asistida para vehiculos
JPS57160769A (en) * 1981-03-27 1982-10-04 Toyoda Mach Works Ltd Servo valve
US4460016A (en) * 1980-05-30 1984-07-17 Toyoda Koki Kabushiki Kaisha Rotary servovalve
DE3126040C2 (de) * 1981-07-02 1985-12-12 Danfoss A/S, Nordborg Hydraulische Steuervorrichtung
JPS57205273A (en) * 1982-04-19 1982-12-16 Koyo Jidoki Kk Power steering apparatus
US4587886A (en) * 1983-04-28 1986-05-13 Jidosha Kiki Co., Ltd. Power steering device
JPS6015265A (ja) * 1983-07-04 1985-01-25 Toyoda Mach Works Ltd サ−ボバルブ
JPS60203580A (ja) * 1984-03-27 1985-10-15 Aisin Seiki Co Ltd 動力舵取り装置
JPS6194870A (ja) * 1984-10-17 1986-05-13 Atsugi Motor Parts Co Ltd ロ−タリ弁型動力操向装置
JPS6185574U (de) * 1984-11-12 1986-06-05
JPH0657533B2 (ja) * 1986-09-30 1994-08-03 日産自動車株式会社 パワ−ステアリングの油圧制御装置
JP2529679B2 (ja) * 1987-01-30 1996-08-28 日産自動車株式会社 パワ−ステアリングの油圧制御装置
US4779646A (en) * 1987-07-15 1988-10-25 Trw Inc. Fluid flow control valve
JP2523985Y2 (ja) * 1988-08-10 1997-01-29 光洋精工株式会社 油圧制御弁
US4924910A (en) * 1988-04-12 1990-05-15 Koyo Seiko Co., Ltd. Hydraulic pressure control valve
JPH01285462A (ja) * 1988-05-10 1989-11-16 Koyo Seiko Co Ltd 油圧制御弁
JP2523170Y2 (ja) * 1990-08-23 1997-01-22 光洋精工株式会社 油圧制御弁
US5207244A (en) * 1992-09-21 1993-05-04 Trw Inc. Steering control valve with contoured control surfaces

Also Published As

Publication number Publication date
JP2925056B2 (ja) 1999-07-26
US5207244A (en) 1993-05-04
DE69309837T2 (de) 1997-11-27
EP0592095A1 (de) 1994-04-13
EP0592095B1 (de) 1997-04-16
JPH06206555A (ja) 1994-07-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee