DE602005011941D1 - Verfahren und vorrichtung zur aufrechterhaltung von druckverstärkung in einer servoventilanordnung - Google Patents

Verfahren und vorrichtung zur aufrechterhaltung von druckverstärkung in einer servoventilanordnung

Info

Publication number
DE602005011941D1
DE602005011941D1 DE200560011941 DE602005011941T DE602005011941D1 DE 602005011941 D1 DE602005011941 D1 DE 602005011941D1 DE 200560011941 DE200560011941 DE 200560011941 DE 602005011941 T DE602005011941 T DE 602005011941T DE 602005011941 D1 DE602005011941 D1 DE 602005011941D1
Authority
DE
Germany
Prior art keywords
valve arrangement
servo valve
maintaining pressure
pressure reinforcement
reinforcement
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.)
Active
Application number
DE200560011941
Other languages
English (en)
Inventor
Mario Armando Rodriguez
Ronald Olson
Torin Lewis
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
Publication of DE602005011941D1 publication Critical patent/DE602005011941D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • 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
    • Y10T137/0318—Processes
    • Y10T137/0402—Cleaning, repairing, or assembling
    • Y10T137/0491—Valve or valve element assembling, disassembling, or replacing
    • 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
    • Y10T137/86606—Common to plural valve motor chambers
    • 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
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Servomotors (AREA)
DE200560011941 2004-03-23 2005-03-11 Verfahren und vorrichtung zur aufrechterhaltung von druckverstärkung in einer servoventilanordnung Active DE602005011941D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/806,848 US7093607B2 (en) 2004-03-23 2004-03-23 Methods and apparatus for maintaining pressure gain in a servovalve assembly
PCT/US2005/007821 WO2005103539A1 (en) 2004-03-23 2005-03-11 Methods and apparatus for maintaining pressure gain in a servovalve assembly

Publications (1)

Publication Number Publication Date
DE602005011941D1 true DE602005011941D1 (de) 2009-02-05

Family

ID=34963066

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200560011941 Active DE602005011941D1 (de) 2004-03-23 2005-03-11 Verfahren und vorrichtung zur aufrechterhaltung von druckverstärkung in einer servoventilanordnung

Country Status (4)

Country Link
US (1) US7093607B2 (de)
EP (1) EP1730431B1 (de)
DE (1) DE602005011941D1 (de)
WO (1) WO2005103539A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8306778B2 (en) * 2008-12-23 2012-11-06 Embraer S.A. Prognostics and health monitoring for electro-mechanical systems and components
US8522821B2 (en) 2010-09-17 2013-09-03 Woodward Hrt, Inc. Torque motor linearization
FR2981133B1 (fr) * 2011-10-10 2013-10-25 In Lhc Procede de detection de defaillance d'une servovalve et servovalve faisant application.
EP2889491B1 (de) * 2013-12-24 2018-06-06 Goodrich Actuation Systems SAS Servoventile
FR3050508B1 (fr) * 2016-04-21 2018-10-05 Safran Aircraft Engines Tiroir pour vanne de circuit de carburant d'un moteur d'aeronef
FR3050509B1 (fr) * 2016-04-21 2018-04-06 Safran Aircraft Engines Tiroir pour vanne de circuit de carburant d'un moteur d'aeronef
FR3108153B1 (fr) * 2020-03-13 2022-04-08 Safran Aerosystems Hydraulics Servovalve à actionneur linéaire et rétroaction mécanique

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920650A (en) * 1953-08-03 1960-01-12 Moog Servocontrols Inc Valve bushing
US2824574A (en) * 1955-04-19 1958-02-25 Westinghouse Electric Corp Hydraulic servo-valve
US3228423A (en) * 1956-01-23 1966-01-11 Moog Servocontrols Inc Fluid control valve in which a mechanical motion is transmitted from a dry region to a pressurized fluid filled region
US2987050A (en) * 1957-04-29 1961-06-06 Sperry Rand Corp Compensated flow control valve
US3029830A (en) * 1957-11-06 1962-04-17 Garrett Corp Servo valve
GB908183A (en) * 1958-06-19 1962-10-17 Hayes Engineers Leeds Ltd Improvements in or relating to valves for hydraulic control systems
US3680577A (en) * 1970-11-30 1972-08-01 Numatics Inc Closed center valve
US4227443A (en) * 1978-09-25 1980-10-14 General Electric Company Fail-fixed servovalve
USRE31657E (en) 1979-07-23 1984-09-04 Moog Inc. Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller
US4244398A (en) 1979-08-20 1981-01-13 Moog Inc. Check valve assembly having valve opening prior to passing flow and flow shut off prior to valve closing
US4800924A (en) 1987-04-24 1989-01-31 Davidson Textron Inc. Direct drive servovalve with rotary valve
US5285715A (en) 1992-08-06 1994-02-15 Hr Textron, Inc. Electrohydraulic servovalve with flow gain compensation
US5551481A (en) 1994-01-27 1996-09-03 Hr Textron Inc. Method of manufacturing direct drive servovalve and direct drive servovalve resulting therefrom
US5597014A (en) 1994-03-31 1997-01-28 Moog Inc. High-flow direct-drive rotary servovalve
FR2818331B1 (fr) * 2000-12-19 2003-03-14 Snecma Moteurs Servo-valve a memoire de position

Also Published As

Publication number Publication date
US7093607B2 (en) 2006-08-22
EP1730431B1 (de) 2008-12-24
US20060000507A1 (en) 2006-01-05
EP1730431A1 (de) 2006-12-13
WO2005103539A1 (en) 2005-11-03

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Legal Events

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