IT8321932A1 - Servovalvola bloccabile per guasto con reazione fluidica positiva - Google Patents

Servovalvola bloccabile per guasto con reazione fluidica positiva

Info

Publication number
IT8321932A1
IT8321932A1 IT1983A21932A IT2193283A IT8321932A1 IT 8321932 A1 IT8321932 A1 IT 8321932A1 IT 1983A21932 A IT1983A21932 A IT 1983A21932A IT 2193283 A IT2193283 A IT 2193283A IT 8321932 A1 IT8321932 A1 IT 8321932A1
Authority
IT
Italy
Prior art keywords
servovalve
lockable
fault
fluid reaction
positive fluid
Prior art date
Application number
IT1983A21932A
Other languages
English (en)
Other versions
IT8321932A0 (it
IT1168265B (it
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8321932A0 publication Critical patent/IT8321932A0/it
Publication of IT8321932A1 publication Critical patent/IT8321932A1/it
Application granted granted Critical
Publication of IT1168265B publication Critical patent/IT1168265B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Actuator (AREA)
IT21932/83A 1982-07-06 1983-07-05 Servovalvola bloccabile per guasto con reazione fluidica positiva IT1168265B (it)

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 (3)

Publication Number Publication Date
IT8321932A0 IT8321932A0 (it) 1983-07-05
IT8321932A1 true IT8321932A1 (it) 1985-01-05
IT1168265B IT1168265B (it) 1987-05-20

Family

ID=23563596

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21932/83A IT1168265B (it) 1982-07-06 1983-07-05 Servovalvola bloccabile per guasto con reazione fluidica positiva

Country Status (6)

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

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 (en) * 2014-11-24 2020-07-08 Goodrich Actuation Systems SAS Servovalve jet pipe

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
FR2529967A1 (fr) 1984-01-13
US4470337A (en) 1984-09-11
GB2123184B (en) 1985-11-06
IT8321932A0 (it) 1983-07-05
GB8316372D0 (en) 1983-07-20
GB2123184A (en) 1984-01-25
JPS5934010A (ja) 1984-02-24
FR2529967B1 (fr) 1985-07-26
DE3321778A1 (de) 1984-01-12
IT1168265B (it) 1987-05-20

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