FR2529967B1 - Dispositif de fonctionnnement fixe apres defaillance - Google Patents

Dispositif de fonctionnnement fixe apres defaillance

Info

Publication number
FR2529967B1
FR2529967B1 FR838311239A FR8311239A FR2529967B1 FR 2529967 B1 FR2529967 B1 FR 2529967B1 FR 838311239 A FR838311239 A FR 838311239A FR 8311239 A FR8311239 A FR 8311239A FR 2529967 B1 FR2529967 B1 FR 2529967B1
Authority
FR
France
Prior art keywords
failure
operating device
fixed operating
fixed
operating
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
Application number
FR838311239A
Other languages
English (en)
Other versions
FR2529967A1 (fr
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2529967A1 publication Critical patent/FR2529967A1/fr
Application granted granted Critical
Publication of FR2529967B1 publication Critical patent/FR2529967B1/fr
Expired 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/10—Circuit elements having moving parts using nozzles or jet pipes
    • F15C3/12—Circuit elements having moving parts using nozzles or jet pipes the nozzle or jet pipe being movable
FR838311239A 1982-07-06 1983-07-06 Dispositif de fonctionnnement fixe apres defaillance Expired FR2529967B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/395,569 US4470337A (en) 1982-07-06 1982-07-06 Fail-fixed servovalve with positive fluid feedback

Publications (2)

Publication Number Publication Date
FR2529967A1 FR2529967A1 (fr) 1984-01-13
FR2529967B1 true FR2529967B1 (fr) 1985-07-26

Family

ID=23563596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838311239A Expired FR2529967B1 (fr) 1982-07-06 1983-07-06 Dispositif de fonctionnnement fixe apres defaillance

Country Status (6)

Country Link
US (1) US4470337A (fr)
JP (1) JPS5934010A (fr)
DE (1) DE3321778A1 (fr)
FR (1) FR2529967B1 (fr)
GB (1) GB2123184B (fr)
IT (1) IT1168265B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805515A (en) * 1983-11-18 1989-02-21 General Electric Company Fail-safe servovalve system
US5735122A (en) * 1996-11-29 1998-04-07 United Technologies Corporation Actuator with failfixed zero drift
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
EP3023647B1 (fr) * 2014-11-24 2020-07-08 Goodrich Actuation Systems SAS Tuyau à jet servodistributeur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771541A (en) * 1971-04-30 1973-11-13 Bendix Corp High gain electrohydraulic servo valve
US3766832A (en) * 1972-03-13 1973-10-23 Sanders Associates Inc Hydraulic control system
US4227443A (en) * 1978-09-25 1980-10-14 General Electric Company Fail-fixed servovalve
US4276809A (en) * 1979-04-23 1981-07-07 General Electric Company Simplified fail-fixed servovalve
US4265162A (en) * 1979-05-25 1981-05-05 Neradka Vincent F Servovalve having fluidic actuator

Also Published As

Publication number Publication date
GB2123184A (en) 1984-01-25
IT8321932A1 (it) 1985-01-05
US4470337A (en) 1984-09-11
GB8316372D0 (en) 1983-07-20
GB2123184B (en) 1985-11-06
IT8321932A0 (it) 1983-07-05
IT1168265B (it) 1987-05-20
JPS5934010A (ja) 1984-02-24
DE3321778A1 (de) 1984-01-12
FR2529967A1 (fr) 1984-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse