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
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)
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)
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)
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 |
-
1988
- 1988-12-02 EP EP89900147A patent/EP0399044B1/de not_active Expired - Lifetime
- 1988-12-02 WO PCT/JP1988/001221 patent/WO1989005407A1/ja active IP Right Grant
- 1988-12-02 US US07/476,443 patent/US5186213A/en not_active Expired - Lifetime
- 1988-12-02 DE DE3889668T patent/DE3889668T2/de not_active Expired - Fee Related
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 |