JPS5045181A - - Google Patents

Info

Publication number
JPS5045181A
JPS5045181A JP3841474A JP3841474A JPS5045181A JP S5045181 A JPS5045181 A JP S5045181A JP 3841474 A JP3841474 A JP 3841474A JP 3841474 A JP3841474 A JP 3841474A JP S5045181 A JPS5045181 A JP S5045181A
Authority
JP
Japan
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.)
Pending
Application number
JP3841474A
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
Publication of JPS5045181A publication Critical patent/JPS5045181A/ja
Pending 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
    • 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
    • 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
    • Y10T137/86614—Electric
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87209—Electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
JP3841474A 1973-08-24 1974-04-04 Pending JPS5045181A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39126873 US3874405A (en) 1973-08-24 1973-08-24 Multiple tow-stage electrohydraulic servovalve apparatus

Publications (1)

Publication Number Publication Date
JPS5045181A true JPS5045181A (ja) 1975-04-23

Family

ID=23545955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3841474A Pending JPS5045181A (ja) 1973-08-24 1974-04-04

Country Status (4)

Country Link
US (1) US3874405A (ja)
JP (1) JPS5045181A (ja)
DE (1) DE2431804A1 (ja)
GB (1) GB1462223A (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150686A (en) * 1976-11-15 1979-04-24 Textron Inc. Electrohydraulic control module
US4131130A (en) * 1977-07-18 1978-12-26 Sperry Rand Corporation Pneumatic pressure control valve
DE3104957C2 (de) * 1981-02-12 1986-12-04 Herion-Werke Kg, 7012 Fellbach Hydraulisch betätigbares Pressensicherheitsventil
US4526201A (en) * 1982-11-04 1985-07-02 Spectra-Physics, Inc. Four-way valve with internal pilot
US4534273A (en) * 1983-02-03 1985-08-13 Pneumo Corporation Control actuation system including staged direct drive valve with fault control
US4715397A (en) * 1984-08-06 1987-12-29 United Technologies Corporation Pressure regulator
US4646624A (en) * 1984-08-06 1987-03-03 United Technologies Corporation Differential pressure sensor
US4938249A (en) * 1986-10-30 1990-07-03 United Technologies Corporation Chip tolerant flapper
JP2559612B2 (ja) * 1988-02-29 1996-12-04 株式会社小松製作所 操作弁装置
JPH0663521B2 (ja) * 1988-02-29 1994-08-22 株式会社小松製作所 操作弁装置
US5018431A (en) * 1988-12-09 1991-05-28 Quadrastat Corporation Apparatus for positioning a work implement
US5102161A (en) * 1991-03-07 1992-04-07 Trw Inc. Semi-active suspension system with energy saving valve
GB2346456B (en) * 1999-02-04 2003-05-21 Moog Inc Hydraulic logic cross-coupling between separate redundant servoactutaors
US6640685B2 (en) 2001-02-07 2003-11-04 David M. Hamby Closed loop electrohydraulic actuator control circuit
JP4284687B2 (ja) * 2005-04-26 2009-06-24 Ｓｍｃ株式会社 真空及び真空破壊用複合弁
US7726340B2 (en) * 2006-11-09 2010-06-01 Honeywell International Inc. Flexible, hermetic pivot seal for torque motor
JP6327418B2 (ja) * 2014-09-04 2018-05-23 Smc株式会社 デュアル４ポート電磁弁
EP3473865B1 (en) 2017-10-19 2023-08-30 Hamilton Sundstrand Corporation Nozzle assembly with filter for a servovalve
CN108644167B (zh) * 2018-05-04 2024-06-18 广州海同工业技术有限公司 一种控制阀的稳速机构及压馈式稳速阀
EP3597937B1 (en) * 2018-07-20 2022-12-28 Hamilton Sundstrand Corporation Servo valve
JP7063436B2 (ja) * 2019-09-06 2022-05-09 Smc株式会社 流量コントローラ及びそれを備えた駆動装置
GB2590654B (en) * 2019-12-23 2022-10-26 Thermal Impact Group Ltd Steam trap

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338139A (en) * 1965-12-23 1967-08-29 Bell Aerospace Corp Redundant control system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519900A (en) * 1948-12-10 1950-08-22 Hpm Dev Corp Control circuit for multiple hydraulic press systems
US2832318A (en) * 1952-04-30 1958-04-29 Ex Cell O Corp Servo control unit
US2835265A (en) * 1955-11-16 1958-05-20 Bendix Aviat Corp Transfer valve
US3019735A (en) * 1958-05-09 1962-02-06 Gen Motors Corp Gas driven hydraulic pump
US2942553A (en) * 1958-05-09 1960-06-28 Gen Motors Corp Gas driven hydraulic actuator
US3023782A (en) * 1959-11-13 1962-03-06 Moog Servocontrols Inc Mechanical feedback flow control servo valve
US3070071A (en) * 1960-03-11 1962-12-25 North American Aviation Inc Failure protected signal translating system
US3338138A (en) * 1965-12-01 1967-08-29 Bell Aerospace Corp Redundant control system
US3505929A (en) * 1968-04-16 1970-04-14 Gen Electric Redundant flight control servoactuator
US3470694A (en) * 1968-04-30 1969-10-07 Weatherhead Co Flow proportional valve for load responsive system
US3722543A (en) * 1971-11-02 1973-03-27 Hydraulic Industries Pressure compensated control valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338139A (en) * 1965-12-23 1967-08-29 Bell Aerospace Corp Redundant control system

Also Published As

Publication number Publication date
GB1462223A (en) 1977-01-19
DE2431804A1 (de) 1975-03-06
US3874405A (en) 1975-04-01

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