EP1781953A1 - Pilotventil, insbesondere für servoventile - Google Patents
Pilotventil, insbesondere für servoventileInfo
- Publication number
- EP1781953A1 EP1781953A1 EP05781992A EP05781992A EP1781953A1 EP 1781953 A1 EP1781953 A1 EP 1781953A1 EP 05781992 A EP05781992 A EP 05781992A EP 05781992 A EP05781992 A EP 05781992A EP 1781953 A1 EP1781953 A1 EP 1781953A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- nozzle
- piston
- pilot valve
- valve according
- 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
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
- F15B13/02—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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0438—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the nozzle-flapper type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410038380 DE102004038380B4 (de) | 2004-08-06 | 2004-08-06 | Pilotventil, insbesondere für Servoventile |
PCT/EP2005/008368 WO2006015771A1 (de) | 2004-08-06 | 2005-08-02 | Pilotventil, insbesondere für servoventile |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1781953A1 true EP1781953A1 (de) | 2007-05-09 |
EP1781953B1 EP1781953B1 (de) | 2012-07-04 |
Family
ID=35229777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050781992 Not-in-force EP1781953B1 (de) | 2004-08-06 | 2005-08-02 | Pilotventil, insbesondere für servoventile |
Country Status (5)
Country | Link |
---|---|
US (1) | US7631663B2 (de) |
EP (1) | EP1781953B1 (de) |
CN (1) | CN101010519B (de) |
DE (1) | DE102004038380B4 (de) |
WO (1) | WO2006015771A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004038380B4 (de) | 2004-08-06 | 2013-04-04 | Bosch Rexroth Aktiengesellschaft | Pilotventil, insbesondere für Servoventile |
DE102004048689B3 (de) * | 2004-10-06 | 2005-10-20 | Siemens Ag | Zweistufiges Servoventil |
US7963185B2 (en) * | 2005-09-23 | 2011-06-21 | Woodward, Inc. | Stepper motor driven proportional actuator |
JP5411540B2 (ja) * | 2009-03-18 | 2014-02-12 | ナブテスコ株式会社 | バルブユニット |
FR2981133B1 (fr) * | 2011-10-10 | 2013-10-25 | In Lhc | Procede de detection de defaillance d'une servovalve et servovalve faisant application. |
US9228596B2 (en) | 2013-09-23 | 2016-01-05 | Moog Inc. | Direct drive rotary valve |
US9937504B2 (en) * | 2014-03-26 | 2018-04-10 | Granutech-Saturn Systems Corp. | Industrial shredder |
US11015728B2 (en) | 2016-08-04 | 2021-05-25 | Woodward, Inc. | Stepper motor driven proportional rotary actuator |
EP3536980B1 (de) * | 2018-03-08 | 2022-12-28 | Hamilton Sundstrand Corporation | Ventilkörper für servoventil |
EP3537581B1 (de) * | 2018-03-08 | 2022-05-04 | Hamilton Sundstrand Corporation | Servoventil |
EP3597937B1 (de) * | 2018-07-20 | 2022-12-28 | Hamilton Sundstrand Corporation | Servoventil |
EP3715687B1 (de) * | 2019-03-29 | 2021-10-13 | Hamilton Sundstrand Corporation | Servoventile |
CN110836206B (zh) * | 2019-10-29 | 2021-10-15 | 中国航空工业集团公司西安飞行自动控制研究所 | 一种射流管伺服阀前置级装调锁紧装置 |
DE102020127493A1 (de) * | 2020-10-19 | 2022-04-21 | Bürkert Werke GmbH & Co. KG | Ventil mit Ventilkörper |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2836154A (en) * | 1955-06-13 | 1958-05-27 | Boeing Co | Self-centering spool valve |
US2797666A (en) * | 1955-06-29 | 1957-07-02 | John G Chubbuck | Pulse proportioning dual integrating servomechanism |
US2886009A (en) * | 1955-11-29 | 1959-05-12 | Northrop Aircraft Inc | Electro-hydraulic servo assembly with fail-safe structure |
US2950703A (en) * | 1956-11-07 | 1960-08-30 | Bell Aerospace Corp | Manual and automatic hydraulic servomechanism |
US2924241A (en) * | 1956-11-30 | 1960-02-09 | Ex Cell O Corp | Electro hydraulic servo valve |
US3029830A (en) * | 1957-11-06 | 1962-04-17 | Garrett Corp | Servo valve |
US3220428A (en) | 1963-01-09 | 1965-11-30 | Gen Electric | Fluid control devices |
US3554211A (en) * | 1968-10-22 | 1971-01-12 | G Hydraulics Inc Ab | Hydraulic valve and system |
US3552433A (en) * | 1969-06-13 | 1971-01-05 | Bell Aerospace Corp | Concentric spool valve |
US3712339A (en) * | 1970-11-10 | 1973-01-23 | Rexroth G Lohrer Eisenwerk Gmb | Regulating apparatus with throttle gaps |
US3759485A (en) * | 1972-07-18 | 1973-09-18 | Baker Equipment Eng Co Inc | Manual override apparatus for electrohydraulic valve control station |
US3899002A (en) * | 1973-10-18 | 1975-08-12 | Sanders Associates Inc | Open center, pressure demand flow control valve |
US3988966A (en) * | 1974-07-18 | 1976-11-02 | Willie Burt Leonard | Fluidic repeater |
DE2532668A1 (de) * | 1975-07-22 | 1977-02-10 | Rexroth Gmbh G L | Zwei- oder mehrstufiges druckservoventil |
AT388598B (de) * | 1986-08-13 | 1989-07-25 | Vni I Pk I Promy Gidroprivodov | Elektrohydraulischer leistungsverstaerker |
DE4032811C2 (de) | 1990-10-16 | 1996-06-05 | Bayerische Motoren Werke Ag | Drehkolbenventil mit Nachlaufeinrichtung |
DE102004038380B4 (de) | 2004-08-06 | 2013-04-04 | Bosch Rexroth Aktiengesellschaft | Pilotventil, insbesondere für Servoventile |
-
2004
- 2004-08-06 DE DE200410038380 patent/DE102004038380B4/de not_active Expired - Fee Related
-
2005
- 2005-08-02 WO PCT/EP2005/008368 patent/WO2006015771A1/de active Application Filing
- 2005-08-02 US US11/573,331 patent/US7631663B2/en not_active Expired - Fee Related
- 2005-08-02 EP EP20050781992 patent/EP1781953B1/de not_active Not-in-force
- 2005-08-02 CN CN2005800267238A patent/CN101010519B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2006015771A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101010519B (zh) | 2010-07-21 |
US20070215222A1 (en) | 2007-09-20 |
WO2006015771A1 (de) | 2006-02-16 |
DE102004038380B4 (de) | 2013-04-04 |
DE102004038380A1 (de) | 2006-03-16 |
EP1781953B1 (de) | 2012-07-04 |
US7631663B2 (en) | 2009-12-15 |
CN101010519A (zh) | 2007-08-01 |
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