DE69104565D1 - Servoventil. - Google Patents

Servoventil.

Info

Publication number
DE69104565D1
DE69104565D1 DE69104565T DE69104565T DE69104565D1 DE 69104565 D1 DE69104565 D1 DE 69104565D1 DE 69104565 T DE69104565 T DE 69104565T DE 69104565 T DE69104565 T DE 69104565T DE 69104565 D1 DE69104565 D1 DE 69104565D1
Authority
DE
Germany
Prior art keywords
servo valve
servo
valve
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 - Fee Related
Application number
DE69104565T
Other languages
English (en)
Other versions
DE69104565T2 (de
Inventor
Samuel L Wilson
Timothy C Bryarly
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.)
Woodward HRT Inc
Original Assignee
Woodward HRT Inc
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 Woodward HRT Inc filed Critical Woodward HRT Inc
Application granted granted Critical
Publication of DE69104565D1 publication Critical patent/DE69104565D1/de
Publication of DE69104565T2 publication Critical patent/DE69104565T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device
    • 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
    • Y10T137/2278—Pressure modulating relays or followers
    • Y10T137/2322—Jet control 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
    • Y10T137/86614—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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86815—Multiple inlet with single outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
DE69104565T 1990-07-12 1991-06-26 Servoventil. Expired - Fee Related DE69104565T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/552,737 US5031653A (en) 1990-07-12 1990-07-12 Differential cylinder pressure gain compensation for single stage servovalve

Publications (2)

Publication Number Publication Date
DE69104565D1 true DE69104565D1 (de) 1994-11-17
DE69104565T2 DE69104565T2 (de) 1995-05-18

Family

ID=24206592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104565T Expired - Fee Related DE69104565T2 (de) 1990-07-12 1991-06-26 Servoventil.

Country Status (4)

Country Link
US (1) US5031653A (de)
EP (1) EP0466358B1 (de)
JP (1) JPH05209602A (de)
DE (1) DE69104565T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5653342A (en) * 1995-12-22 1997-08-05 Eaton; James B. Enclosure for carrying and protecting a golf scorecard
US5573036A (en) * 1996-01-11 1996-11-12 Sargent Controls & Aerospace/Dover Diversified Inc. Electro-hydraulic servovalve having mechanical feedback
US9309900B2 (en) 2012-02-09 2016-04-12 Moog Inc. Electro-hydraulic servo valve
BR112014020497B1 (pt) 2012-02-23 2021-03-09 Moog Inc servoválvula de acionamento direto

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017864A (en) * 1958-08-18 1962-01-23 American Brake Shoe Co Valve
US3054388A (en) * 1961-07-03 1962-09-18 Bell Aerospace Corp Servo valve with flow rate feedback
US3437101A (en) * 1966-03-01 1969-04-08 Abex Corp Servovalve construction
US3464318A (en) * 1966-06-03 1969-09-02 Moog Inc Servomechanism providing static load error washout
DE1600807B2 (de) * 1967-05-24 1971-01-21 H M. Hobson Ltd.. London Elektro-hydraulische Stcuervornch tung mit Ruckkopplung
GB1272859A (en) * 1969-11-25 1972-05-03 Hobson Ltd H M Improvements in position control servo systems
JPS4956096A (de) * 1972-09-29 1974-05-30
US4368750A (en) * 1978-04-28 1983-01-18 Sundstrand Corporation Ball-type feedback motor for servovalves
GB8621532D0 (en) * 1986-09-06 1986-10-15 Dowty Hydraulic Units Ltd Fluid control devices

Also Published As

Publication number Publication date
DE69104565T2 (de) 1995-05-18
EP0466358B1 (de) 1994-10-12
EP0466358A1 (de) 1992-01-15
US5031653A (en) 1991-07-16
JPH05209602A (ja) 1993-08-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee