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DE69114215D1 - Hydraulisches Druckregelventil. - Google Patents

Hydraulisches Druckregelventil.

Info

Publication number
DE69114215D1
DE69114215D1 DE69114215T DE69114215T DE69114215D1 DE 69114215 D1 DE69114215 D1 DE 69114215D1 DE 69114215 T DE69114215 T DE 69114215T DE 69114215 T DE69114215 T DE 69114215T DE 69114215 D1 DE69114215 D1 DE 69114215D1
Authority
DE
Germany
Prior art keywords
control valve
hydraulic pressure
pressure control
hydraulic
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
DE69114215T
Other languages
English (en)
Other versions
DE69114215T2 (de
Inventor
Kazumasa Tabata
Manabu Takaoka
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.)
Koyo Seiko Co Ltd
Original Assignee
Koyo Seiko Co Ltd
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 Koyo Seiko Co Ltd filed Critical Koyo Seiko Co Ltd
Application granted granted Critical
Publication of DE69114215D1 publication Critical patent/DE69114215D1/de
Publication of DE69114215T2 publication Critical patent/DE69114215T2/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)
DE69114215T 1990-08-23 1991-08-14 Hydraulisches Druckregelventil. Expired - Fee Related DE69114215T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8862790U JP2523170Y2 (ja) 1990-08-23 1990-08-23 油圧制御弁

Publications (2)

Publication Number Publication Date
DE69114215D1 true DE69114215D1 (de) 1995-12-07
DE69114215T2 DE69114215T2 (de) 1996-06-20

Family

ID=13948044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114215T Expired - Fee Related DE69114215T2 (de) 1990-08-23 1991-08-14 Hydraulisches Druckregelventil.

Country Status (6)

Country Link
US (1) US5133384A (de)
EP (1) EP0472101B1 (de)
JP (1) JP2523170Y2 (de)
KR (1) KR950012267B1 (de)
DE (1) DE69114215T2 (de)
FR (1) FR2666132B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2127451A1 (en) * 1992-01-16 1993-07-22 Klaus Juergen Roeske Rotary valve for hydraulic power steering with reduced noise and linear boost characteristic
US5259413A (en) * 1992-08-27 1993-11-09 Trw Inc. Steering control valve with contoured control surfaces
US5207244A (en) * 1992-09-21 1993-05-04 Trw Inc. Steering control valve with contoured control surfaces
DE69319990T2 (de) * 1992-10-22 1998-12-10 Toyoda Koki K.K., Kariya, Aichi Hydraulische Servolenkung
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
US5799693A (en) * 1996-12-09 1998-09-01 Trw Inc. Power steering control valve with noise reduction
JP3681875B2 (ja) * 1997-10-16 2005-08-10 カヤバ工業株式会社 パワーステアリングシステム
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
JP3687499B2 (ja) * 2000-06-30 2005-08-24 豊田工機株式会社 流量制御弁
US6499507B1 (en) 2000-09-12 2002-12-31 Ford Global Technologies, Inc. Rotary valve
DE202005007092U1 (de) * 2005-05-03 2005-08-11 Trw Automotive Gmbh Drehschieberventil, insbesondere für hydraulische Hilfskraftlenkungen bei Kraftfahrzeugen
DE102006056350A1 (de) * 2006-11-29 2008-06-05 Trw Automotive Gmbh Servoventil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591136A (en) * 1969-02-26 1971-07-06 Arthur E Bishop Rotary valve with curved valve slot
JPS56142756A (en) * 1980-04-01 1981-11-07 Toyoda Mach Works Ltd Servo valve
US4460016A (en) * 1980-05-30 1984-07-17 Toyoda Koki Kabushiki Kaisha Rotary servovalve
JPS59118577A (ja) * 1982-12-27 1984-07-09 Koyo Jidoki Kk パワーステアリング装置の回転制御弁のスプール弁
JPS6194870A (ja) * 1984-10-17 1986-05-13 Atsugi Motor Parts Co Ltd ロ−タリ弁型動力操向装置
JPH01240370A (ja) * 1988-03-18 1989-09-25 Koyo Seiko Co Ltd 油圧制御弁
US4924910A (en) * 1988-04-12 1990-05-15 Koyo Seiko Co., Ltd. Hydraulic pressure control valve

Also Published As

Publication number Publication date
DE69114215T2 (de) 1996-06-20
FR2666132A1 (fr) 1992-02-28
US5133384A (en) 1992-07-28
JP2523170Y2 (ja) 1997-01-22
FR2666132B1 (fr) 1993-02-19
EP0472101B1 (de) 1995-11-02
KR950012267B1 (ko) 1995-10-16
JPH0446982U (de) 1992-04-21
EP0472101A1 (de) 1992-02-26

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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