NL122077C - - Google Patents

Info

Publication number
NL122077C
NL122077C NL249040A NL249040A NL122077C NL 122077 C NL122077 C NL 122077C NL 249040 A NL249040 A NL 249040A NL 249040 A NL249040 A NL 249040A NL 122077 C NL122077 C NL 122077C
Authority
NL
Netherlands
Application number
NL249040A
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 filed Critical
Application granted granted Critical
Publication of NL122077C publication Critical patent/NL122077C/xx

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Servomotors (AREA)
  • Laminated Bodies (AREA)
NL249040A 1959-03-12 1960-03-03 NL122077C (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8621/59A GB928802A (en) 1959-03-12 1959-03-12 Improvements in and relating to fluid-pressure servomotor control systems

Publications (1)

Publication Number Publication Date
NL122077C true NL122077C (it) 1966-11-15

Family

ID=9855997

Family Applications (2)

Application Number Title Priority Date Filing Date
NL249040D NL249040A (it) 1959-03-12 1960-03-03
NL249040A NL122077C (it) 1959-03-12 1960-03-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL249040D NL249040A (it) 1959-03-12 1960-03-03

Country Status (3)

Country Link
US (1) US3027917A (it)
GB (1) GB928802A (it)
NL (2) NL249040A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339573A (en) * 1965-03-15 1967-09-05 Weatherhead Co Flow control valve
DE2657608C2 (de) * 1976-12-18 1985-11-07 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Beeinflussung der Zusammensetzung der Abgase einer Brennkraftmaschine
US4227443A (en) * 1978-09-25 1980-10-14 General Electric Company Fail-fixed servovalve
US4754690A (en) * 1986-09-19 1988-07-05 Allied-Signal Inc. Electrically controlled hydraulically driven actuator assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB562592A (it) *
DE931747C (de) * 1942-12-19 1955-08-16 Hugo Junkers Werke G M B H Mit einem Druckmittel betriebener Kraftwandler mit einem den Bewegungen des Stellgliedes unmittelbar folgenden Kraftglied
US2824574A (en) * 1955-04-19 1958-02-25 Westinghouse Electric Corp Hydraulic servo-valve
US2836154A (en) * 1955-06-13 1958-05-27 Boeing Co Self-centering spool valve
US2947286A (en) * 1958-01-29 1960-08-02 Bell Aerospace Corp Integrated actuator

Also Published As

Publication number Publication date
US3027917A (en) 1962-04-03
NL249040A (it) 1900-01-01
GB928802A (en) 1963-06-12

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