JPS57949A - Servo-valve - Google Patents

Servo-valve

Info

Publication number
JPS57949A
JPS57949A JP7360780A JP7360780A JPS57949A JP S57949 A JPS57949 A JP S57949A JP 7360780 A JP7360780 A JP 7360780A JP 7360780 A JP7360780 A JP 7360780A JP S57949 A JPS57949 A JP S57949A
Authority
JP
Japan
Prior art keywords
grooves
land sections
valve
land
same
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
JP7360780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6310033B2 (en]
Inventor
Kyosuke Haga
Tsuneo Tanaka
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.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
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 Toyoda Koki KK filed Critical Toyoda Koki KK
Priority to JP7360780A priority Critical patent/JPS57949A/ja
Priority to US06/268,380 priority patent/US4452274A/en
Publication of JPS57949A publication Critical patent/JPS57949A/ja
Priority to US06/359,860 priority patent/US4460016A/en
Publication of JPS6310033B2 publication Critical patent/JPS6310033B2/ja
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
JP7360780A 1980-05-30 1980-05-30 Servo-valve Granted JPS57949A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7360780A JPS57949A (en) 1980-05-30 1980-05-30 Servo-valve
US06/268,380 US4452274A (en) 1980-05-30 1981-05-29 Rotary valve for power steering system
US06/359,860 US4460016A (en) 1980-05-30 1982-03-19 Rotary servovalve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7360780A JPS57949A (en) 1980-05-30 1980-05-30 Servo-valve

Publications (2)

Publication Number Publication Date
JPS57949A true JPS57949A (en) 1982-01-06
JPS6310033B2 JPS6310033B2 (en]) 1988-03-03

Family

ID=13523183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7360780A Granted JPS57949A (en) 1980-05-30 1980-05-30 Servo-valve

Country Status (2)

Country Link
US (1) US4452274A (en])
JP (1) JPS57949A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015265A (ja) * 1983-07-04 1985-01-25 Toyoda Mach Works Ltd サ−ボバルブ
JPS61161074U (en]) * 1985-03-28 1986-10-06

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527732A1 (fr) * 1982-05-26 1983-12-02 Bendiberica Sa Distributeur hydraulique rotatif et procede de fabrication de bords de fermeture chanfreines d'organe rotatif d'un tel distributeur
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
US4658584A (en) * 1984-03-07 1987-04-21 Nippondenso Co., Ltd. Power steering system for vehicles
JPS60152576U (ja) * 1984-03-22 1985-10-11 豊田工機株式会社 ロ−タリバルブ
DE3661183D1 (en]) * 1985-04-06 1988-12-22 Zahnradfabrik Friedrichshafen Aktiengesellschaft
US4788877A (en) * 1987-03-09 1988-12-06 General Motors Corporation Composite housing for rack and pinion power steering gear
US4922803A (en) * 1989-03-17 1990-05-08 Techco Corporation Four-way valve
JP2501514Y2 (ja) * 1989-03-31 1996-06-19 トヨタ自動車株式会社 四輪駆動車の二輪四輪切り換え制御装置
JPH03266774A (ja) * 1990-03-15 1991-11-27 Koyo Seiko Co Ltd 油圧制御弁
CA2127451A1 (en) * 1992-01-16 1993-07-22 Klaus Juergen Roeske Rotary valve for hydraulic power steering with reduced noise and linear boost characteristic
US5549504A (en) * 1992-10-23 1996-08-27 A. E. Bishop & Associates Pty Limited Manufacture of rotary valves
US6082403A (en) * 1998-04-09 2000-07-04 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
US6499507B1 (en) * 2000-09-12 2002-12-31 Ford Global Technologies, Inc. Rotary valve
DE102020106440B4 (de) * 2020-03-10 2024-08-01 Danfoss Power Solutions Aps Hydraulische Lenkeinheit
DE102020106437B4 (de) 2020-03-10 2024-09-26 Danfoss Power Solutions Aps Fluidsteuereinrichtung, insbesondere als Teil einer hydraulischen Lenkeinheit
DE102020106438B4 (de) 2020-03-10 2022-03-31 Danfoss Power Solutions Aps Fluidsteuereinrichtung, insbesondere als Teil einer hydraulischen Lenkeinheit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126340U (en]) * 1978-02-24 1979-09-03

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556155A (en) * 1969-01-24 1971-01-19 Caterpillar Tractor Co Variable flow-modulated valve
US3591136A (en) * 1969-02-26 1971-07-06 Arthur E Bishop Rotary valve with curved valve slot
US3645296A (en) * 1969-10-31 1972-02-29 Cam Gears Ltd Power-assisted steering and like systems
JPS5239216B2 (en]) * 1972-07-31 1977-10-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126340U (en]) * 1978-02-24 1979-09-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015265A (ja) * 1983-07-04 1985-01-25 Toyoda Mach Works Ltd サ−ボバルブ
JPS61161074U (en]) * 1985-03-28 1986-10-06

Also Published As

Publication number Publication date
JPS6310033B2 (en]) 1988-03-03
US4452274A (en) 1984-06-05

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