DE69723573D1 - Aktuator mit driftfreier klemmung bei stromausfall - Google Patents
Aktuator mit driftfreier klemmung bei stromausfallInfo
- Publication number
- DE69723573D1 DE69723573D1 DE69723573T DE69723573T DE69723573D1 DE 69723573 D1 DE69723573 D1 DE 69723573D1 DE 69723573 T DE69723573 T DE 69723573T DE 69723573 T DE69723573 T DE 69723573T DE 69723573 D1 DE69723573 D1 DE 69723573D1
- Authority
- DE
- Germany
- Prior art keywords
- drift
- actuator
- event
- power failure
- free clamping
- 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
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
-
- 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
- F15B13/0436—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 steerable jet type
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/002—Electrical failure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/862—Control during or prevention of abnormal conditions the abnormal condition being electric or electronic failure
- F15B2211/8623—Electric supply failure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/875—Control measures for coping with failures
- F15B2211/8752—Emergency operation mode, e.g. fail-safe operation mode
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)
- Magnetically Actuated Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/753,800 US5735122A (en) | 1996-11-29 | 1996-11-29 | Actuator with failfixed zero drift |
PCT/US1997/021932 WO1998023866A1 (en) | 1996-11-29 | 1997-11-24 | Actuator with failfixed zero drift |
US753800 | 2001-01-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69723573D1 true DE69723573D1 (de) | 2003-08-21 |
DE69723573T2 DE69723573T2 (de) | 2004-06-03 |
Family
ID=25032205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69723573T Expired - Lifetime DE69723573T2 (de) | 1996-11-29 | 1997-11-24 | Aktuator mit driftfreier klemmung bei stromausfall |
Country Status (6)
Country | Link |
---|---|
US (1) | US5735122A (de) |
EP (1) | EP0941408B1 (de) |
JP (1) | JP2001504927A (de) |
CA (1) | CA2270161A1 (de) |
DE (1) | DE69723573T2 (de) |
WO (1) | WO1998023866A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6250067B1 (en) | 1999-01-27 | 2001-06-26 | United Technologies Corporation | Thrust bump system for fuel controls |
US6289274B1 (en) | 1999-08-13 | 2001-09-11 | United Technologies Corporation | Fuzzy logic based fuel flow selection system |
TWI305046B (de) * | 2002-09-09 | 2009-01-01 | Macronix Int Co Ltd | |
US6955113B2 (en) | 2002-11-07 | 2005-10-18 | Honeywell International Inc. | Electro-hydraulic actuator with mechanical servo position feedback |
US20070081909A1 (en) * | 2005-05-27 | 2007-04-12 | Dalton William H | Hydraulic lock for axial motion output device |
US7455074B2 (en) * | 2005-07-28 | 2008-11-25 | Honeywell International Inc. | Latchable electrohydraulic servovalve |
US7537022B2 (en) * | 2005-11-09 | 2009-05-26 | Honeywell International Inc. | Valve actuator assembly |
US7296406B2 (en) * | 2006-02-28 | 2007-11-20 | Honeywell International, Inc. | System for positioning a piston including a fail fixed valve for holding the piston in position during a power interruption and method of using same |
US7836676B2 (en) * | 2007-06-04 | 2010-11-23 | Honeywell International Inc. | Fuel metering valve back-up position control system |
US8029664B2 (en) * | 2008-06-26 | 2011-10-04 | Hamilton Sundstrand Corporation | Wash filter with wash velocity control cone |
US20100005657A1 (en) * | 2008-07-10 | 2010-01-14 | Van Vactor David R | Methods and systems to facilitate over-speed protection |
US8720201B2 (en) * | 2010-11-24 | 2014-05-13 | Hamilton Sundstrand Corporation | Method of monitoring an electronic engine control (EEC) to detect a loss of fuel screen open area |
CN104832482B (zh) * | 2015-05-08 | 2017-04-12 | 日照海卓液压有限公司 | 具有防零飘功能的模块化柔性液压回路 |
RU2678223C2 (ru) * | 2016-11-07 | 2019-01-24 | Акционерное общество "Павловский машиностроительный завод "Восход" | Резервированный электрогидравлический рулевой привод |
US10619654B2 (en) * | 2017-05-05 | 2020-04-14 | Hamilton Sundstrand Corporation | Fail-fixed hydraulic actuator |
US11242875B2 (en) * | 2020-03-05 | 2022-02-08 | Honeywell International Inc. | System that maintains the last commanded position of device controlled by a two-stage, four-way electrohydraulic servo valve upon power interruption |
CN112211869B (zh) * | 2020-10-30 | 2023-05-26 | 国核自仪系统工程有限公司 | 伺服驱动装置、电液伺服系统及伺服电流的调整方法 |
US11619246B1 (en) | 2022-04-25 | 2023-04-04 | Hamilton Sundstrand Corporation | Fail-fixed hydraulic actuator |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034483A (en) * | 1960-12-08 | 1962-05-15 | Honeywell Regulator Co | Hydraulic servomotor |
US3176590A (en) * | 1961-09-01 | 1965-04-06 | Cincinnati Milling Machine Co | Clamping device |
US3665812A (en) * | 1969-07-01 | 1972-05-30 | Chukyo Electric Co | Apparatus for controlling rectilinear motion |
US3922955A (en) * | 1974-01-29 | 1975-12-02 | Gen Electric | Fail-fixed servovalve |
DE2655284A1 (de) * | 1976-12-07 | 1978-06-08 | Festo Maschf Stoll G | Pneumatisch oder hydraulisch und einseitig oder doppelt beaufschlagbare kolben-zylinder-vorrichtung |
US4256017A (en) * | 1979-04-05 | 1981-03-17 | The Bendix Corporation | Differential area electrohydraulic doser actuator |
US4276809A (en) * | 1979-04-23 | 1981-07-07 | General Electric Company | Simplified fail-fixed servovalve |
US4375780A (en) * | 1980-01-28 | 1983-03-08 | General Electric Company | Fail-fixed electrohydraulic servosystem |
US4470337A (en) * | 1982-07-06 | 1984-09-11 | General Electric Company | Fail-fixed servovalve with positive fluid feedback |
DE3315056C2 (de) * | 1983-04-26 | 1994-02-17 | Bosch Gmbh Robert | Elektrohydraulisches Mehrwege-Regelventil |
DE3338781A1 (de) * | 1983-10-26 | 1985-05-09 | Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover | Druckmittelbetaetigbarer arbeitszylinder mit einer einrichtung zum daempfen der endabbremsung des arbeitskolbens |
JPS60132106A (ja) * | 1983-12-21 | 1985-07-15 | Takashi Kimura | 中間停止機構付空気圧シリンダ |
DE8816594U1 (de) * | 1988-10-26 | 1989-12-28 | J.M. Voith Gmbh, 7920 Heidenheim, De | |
KR910003292A (ko) * | 1989-07-27 | 1991-02-27 | 박원희 | 공압실린더의 피스턴 시일장치 |
-
1996
- 1996-11-29 US US08/753,800 patent/US5735122A/en not_active Expired - Lifetime
-
1997
- 1997-11-24 WO PCT/US1997/021932 patent/WO1998023866A1/en active IP Right Grant
- 1997-11-24 JP JP52488598A patent/JP2001504927A/ja active Pending
- 1997-11-24 DE DE69723573T patent/DE69723573T2/de not_active Expired - Lifetime
- 1997-11-24 CA CA002270161A patent/CA2270161A1/en not_active Abandoned
- 1997-11-24 EP EP97948593A patent/EP0941408B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69723573T2 (de) | 2004-06-03 |
EP0941408B1 (de) | 2003-07-16 |
JP2001504927A (ja) | 2001-04-10 |
US5735122A (en) | 1998-04-07 |
WO1998023866A1 (en) | 1998-06-04 |
EP0941408A1 (de) | 1999-09-15 |
CA2270161A1 (en) | 1998-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69723573D1 (de) | Aktuator mit driftfreier klemmung bei stromausfall | |
NO974774D0 (no) | Elektrisk drevet aktuator med feilsikker egenskap | |
DE69535257D1 (de) | Verbundmaterial mit kontrollierter Elastizität | |
DE69738593D1 (de) | Stromversorgungssystem mit Systemverbindung | |
DE69533107D1 (de) | Mit brennstoffzellen betriebenes antriebssystem | |
DE69727584D1 (de) | Mehrschichtige gewebe mit elastizität in der querrichtung | |
DE69718499D1 (de) | Laminiergerät | |
DE19681771T1 (de) | Umwandler mit piezokeramischem Wandler | |
DE69736429D1 (de) | Tunneleffektmessaufnehmer mit linearer kraftrückkopplung | |
FI101758B1 (fi) | Sovitelma kosketinkiskon yhteydessä | |
FI971063A0 (fi) | Kytkentäpiiri ulkoisen teholähteen ja pääakkuteholähteen vaihtokytkemiseksi | |
BR9612486A (pt) | Laminador | |
NO975043D0 (no) | Lettmurmörtel i klassen LM21 | |
DE59703299D1 (de) | Redundanzspeichervorrichtung mit rom-speicherzellen | |
DE69708967D1 (de) | Carbodiimide mit Doppelbindungen | |
DE69738343D1 (de) | Kunststofflaminat | |
DE69941243D1 (de) | Stromschiene mit einem Anschlusselement | |
DE29620915U1 (de) | Stellantrieb mit Hafteinrichtung | |
DE69616506T2 (de) | Angetriebenes Arbeitsgerät mit einer Betätigungsvorrichtung | |
DE19724553B4 (de) | Sicherungsanordnung im Spannungswandler | |
DE29610818U1 (de) | Lampenschirm in Schichtaufbau | |
DE69800087D1 (de) | Betätigungsvorrichtung mit Drehscheibe | |
DE69607492D1 (de) | Rücksprungstapelspeicherstruktur und superskalenmikroprozessor mit derselben | |
DE59506400D1 (de) | Bauwerkstoff mit geringeren schwindmassen | |
KR960002953U (ko) | 다층 구조를 갖는 자기저항 소자 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |