DE3889668D1 - Hydraulisches servoventil. - Google Patents

Hydraulisches servoventil.

Info

Publication number
DE3889668D1
DE3889668D1 DE3889668T DE3889668T DE3889668D1 DE 3889668 D1 DE3889668 D1 DE 3889668D1 DE 3889668 T DE3889668 T DE 3889668T DE 3889668 T DE3889668 T DE 3889668T DE 3889668 D1 DE3889668 D1 DE 3889668D1
Authority
DE
Germany
Prior art keywords
servo valve
hydraulic servo
hydraulic
valve
servo
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
DE3889668T
Other languages
English (en)
Other versions
DE3889668T2 (de
Inventor
Eizo Urata
Shinpei Miyakawa
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
Urata Eizo
Original Assignee
Ebara Research Co Ltd
Urata Eizo
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
Priority claimed from JP30327887A external-priority patent/JPH01145403A/ja
Priority claimed from JP30327987A external-priority patent/JPH01145404A/ja
Priority claimed from JP30328087A external-priority patent/JPH01145405A/ja
Application filed by Ebara Research Co Ltd, Urata Eizo filed Critical Ebara Research Co Ltd
Publication of DE3889668D1 publication Critical patent/DE3889668D1/de
Application granted granted Critical
Publication of DE3889668T2 publication Critical patent/DE3889668T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/12—Special measures for increasing the sensitivity of the system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/06—Use of special fluids, e.g. liquid metal; Special adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
    • 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
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • 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
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • Y10T137/86598—Opposed orifices; interposed modulator
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87201—Common to plural valve motor chambers
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87209—Electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Servomotors (AREA)
  • Fluid-Driven Valves (AREA)
DE3889668T 1987-12-02 1988-12-02 Hydraulisches servoventil. Expired - Fee Related DE3889668T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30327887A JPH01145403A (ja) 1987-12-02 1987-12-02 水圧サーボ弁
JP30327987A JPH01145404A (ja) 1987-12-02 1987-12-02 水圧サーボ弁
JP30328087A JPH01145405A (ja) 1987-12-02 1987-12-02 水圧サーボ弁
PCT/JP1988/001221 WO1989005407A1 (en) 1987-12-02 1988-12-02 Hydraulic servo valve

Publications (2)

Publication Number Publication Date
DE3889668D1 true DE3889668D1 (de) 1994-06-23
DE3889668T2 DE3889668T2 (de) 1994-09-08

Family

ID=27338598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889668T Expired - Fee Related DE3889668T2 (de) 1987-12-02 1988-12-02 Hydraulisches servoventil.

Country Status (4)

Country Link
US (1) US5186213A (de)
EP (1) EP0399044B1 (de)
DE (1) DE3889668T2 (de)
WO (1) WO1989005407A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492149A (en) * 1995-03-20 1996-02-20 Moen Incorporated Pushbutton activated water pressure balanced mixing valve
CA2181023A1 (en) * 1995-07-14 1997-01-15 Masao Shinoda Hydraulic servovalve
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
JP3506409B2 (ja) * 1996-12-26 2004-03-15 株式会社荏原製作所 スプール型流量制御弁
FR2873828B1 (fr) * 2004-07-27 2006-10-20 In Lhc Soc Par Actions Simplif Servovalve de regulation de pression a debit de fuite reduit
CN105065659A (zh) * 2009-09-10 2015-11-18 博格华纳公司 用于自动变速器的具有带流动力补偿的面积受控式切换致动阀的液压回路
US8800594B2 (en) * 2012-02-02 2014-08-12 Honeywell International Inc. Gas turbine engine fuel return valve and system
WO2014111096A1 (ar) * 2013-01-20 2014-07-24 صندوق العلوم والتنمية التكنولوجية صمام هيدروليكي مؤازر أو تناسبي ذو تغذية مرتدة ذاتية لموضع زلاقه الرئيسي وفتحات إرشاد مغلقة عند الوضع المركزي لمرحلة إرشاده
FR3024505B1 (fr) * 2014-07-31 2016-08-05 Zodiac Hydraulics Servovalve a ensemble mobile double
US9709177B2 (en) * 2015-01-13 2017-07-18 Honeywell International Inc. Two-position, two-stage servo valve
DE102015211599A1 (de) * 2015-06-23 2016-12-29 Zf Friedrichshafen Ag Ventil

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832318A (en) * 1952-04-30 1958-04-29 Ex Cell O Corp Servo control unit
US3012575A (en) * 1958-11-03 1961-12-12 Garrett Corp Transfer valve
US2977985A (en) * 1958-12-29 1961-04-04 Pegasus Lab Inc Electro-hydraulic servo control valve
US3135294A (en) * 1962-04-19 1964-06-02 New York Air Brake Co Servo valve
GB1058400A (en) * 1964-10-13 1967-02-08 Automotive Prod Co Ltd Improvements in and relating to fluid flow control devices
US3370613A (en) * 1965-10-15 1968-02-27 True Trace Corp Hydraulically-centered spool valve
US3455334A (en) * 1965-12-06 1969-07-15 Koehring Co Servo valve
JPS4936523Y1 (de) * 1968-11-14 1974-10-04
FR2156626A1 (de) * 1971-10-01 1973-06-01 Oerlikon Buehrle Ag
US3912222A (en) * 1974-04-29 1975-10-14 Sanders Associates Inc Low friction piston type pilot requiring no dither
DE2456765A1 (de) * 1974-11-30 1976-06-10 Elmeg Servoventil
JPS527024A (en) * 1975-07-07 1977-01-19 Fujikoshi Kk Oil pressure valve
JPS6293404U (de) * 1985-12-03 1987-06-15

Also Published As

Publication number Publication date
EP0399044A4 (en) 1991-01-16
DE3889668T2 (de) 1994-09-08
EP0399044B1 (de) 1994-05-18
WO1989005407A1 (en) 1989-06-15
US5186213A (en) 1993-02-16
EP0399044A1 (de) 1990-11-28

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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