JPH0542563B2 - - Google Patents

Info

Publication number
JPH0542563B2
JPH0542563B2 JP30327987A JP30327987A JPH0542563B2 JP H0542563 B2 JPH0542563 B2 JP H0542563B2 JP 30327987 A JP30327987 A JP 30327987A JP 30327987 A JP30327987 A JP 30327987A JP H0542563 B2 JPH0542563 B2 JP H0542563B2
Authority
JP
Japan
Prior art keywords
spool
sleeve
working fluid
back pressure
flapper
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 - Lifetime
Application number
JP30327987A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01145404A (ja
Inventor
Eizo Urata
Shinpei Myagawa
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.)
Ebara Research Co Ltd
Original Assignee
Ebara Research 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 Ebara Research Co Ltd filed Critical Ebara Research Co Ltd
Priority to JP30327987A priority Critical patent/JPH01145404A/ja
Priority to PCT/JP1988/001221 priority patent/WO1989005407A1/ja
Priority to US07/476,443 priority patent/US5186213A/en
Priority to DE3889668T priority patent/DE3889668T2/de
Priority to EP89900147A priority patent/EP0399044B1/en
Publication of JPH01145404A publication Critical patent/JPH01145404A/ja
Publication of JPH0542563B2 publication Critical patent/JPH0542563B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Servomotors (AREA)
JP30327987A 1987-12-02 1987-12-02 水圧サーボ弁 Granted JPH01145404A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP30327987A JPH01145404A (ja) 1987-12-02 1987-12-02 水圧サーボ弁
PCT/JP1988/001221 WO1989005407A1 (fr) 1987-12-02 1988-12-02 Servovanne hydraulique
US07/476,443 US5186213A (en) 1987-12-02 1988-12-02 29
DE3889668T DE3889668T2 (de) 1987-12-02 1988-12-02 Hydraulisches servoventil.
EP89900147A EP0399044B1 (en) 1987-12-02 1988-12-02 Hydraulic servo valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30327987A JPH01145404A (ja) 1987-12-02 1987-12-02 水圧サーボ弁

Publications (2)

Publication Number Publication Date
JPH01145404A JPH01145404A (ja) 1989-06-07
JPH0542563B2 true JPH0542563B2 (https=) 1993-06-29

Family

ID=17919051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30327987A Granted JPH01145404A (ja) 1987-12-02 1987-12-02 水圧サーボ弁

Country Status (1)

Country Link
JP (1) JPH01145404A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04191506A (ja) * 1990-11-22 1992-07-09 Res Dev Corp Of Japan 水圧サーボ弁
JPH0610911A (ja) * 1993-04-14 1994-01-21 Res Dev Corp Of Japan 水圧サーボ弁
JP3260279B2 (ja) * 1996-04-03 2002-02-25 株式会社荏原製作所 水圧電磁比例制御弁
JP5646185B2 (ja) * 2010-02-05 2014-12-24 ピー・エス・シー株式会社 車両用空気ばねシステム

Also Published As

Publication number Publication date
JPH01145404A (ja) 1989-06-07

Similar Documents

Publication Publication Date Title
US5697401A (en) Hydraulic servovalve
EP0399044B1 (en) Hydraulic servo valve
JPS6132560B2 (https=)
JPH0542563B2 (https=)
US3460577A (en) Spool type valve
US4303099A (en) Device for hydraulically assisted steering
US5147009A (en) Steering force control apparatus of power steering system
US4705132A (en) Power steering gear
JPH0535764B2 (https=)
JPH0535761B2 (https=)
CA1183064A (en) Hydraulic power steering system
JPH01145405A (ja) 水圧サーボ弁
JPH01261581A (ja) 制御バルブ
JPH0536643B2 (https=)
JPS61196875A (ja) ４輪操舵装置
JPH0988908A (ja) 液圧サーボ弁
JPH01145403A (ja) 水圧サーボ弁
KR920006190A (ko) 차량용 후륜 스티어링 장치
JPH0228141Y2 (https=)
JPH0456882B2 (https=)
JPH0610911A (ja) 水圧サーボ弁
US3375660A (en) Hydraulic steering control unit for automotive vehicles
RU2096225C1 (ru) Гидроруль транспортного средства
JPH0633202Y2 (ja) 減速停止弁
JPH0640964Y2 (ja) オペレートチェック装置

Legal Events

Date Code Title Description
S201 Request for registration of exclusive licence

Free format text: JAPANESE INTERMEDIATE CODE: R314201

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313532

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 15

Free format text: PAYMENT UNTIL: 20080629