DE69420055T2 - Direktgesteuertes servoventil mit einem positionsensor des motors - Google Patents

Direktgesteuertes servoventil mit einem positionsensor des motors

Info

Publication number
DE69420055T2
DE69420055T2 DE69420055T DE69420055T DE69420055T2 DE 69420055 T2 DE69420055 T2 DE 69420055T2 DE 69420055 T DE69420055 T DE 69420055T DE 69420055 T DE69420055 T DE 69420055T DE 69420055 T2 DE69420055 T2 DE 69420055T2
Authority
DE
Germany
Prior art keywords
position sensor
servo valve
motor position
directly controlled
controlled servo
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 - Lifetime
Application number
DE69420055T
Other languages
English (en)
Other versions
DE69420055D1 (de
Inventor
Alvon Elrod
Donald Muths
Larry Nichols
Robert Smith
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 DE69420055D1 publication Critical patent/DE69420055D1/de
Publication of DE69420055T2 publication Critical patent/DE69420055T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/202—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means actuated by an electric motor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Servomotors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE69420055T 1994-01-27 1994-06-29 Direktgesteuertes servoventil mit einem positionsensor des motors Expired - Lifetime DE69420055T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18825594A 1994-01-27 1994-01-27
PCT/US1994/007351 WO1995020781A1 (en) 1994-01-27 1994-06-29 Direct drive servovalve having motor position sensor

Publications (2)

Publication Number Publication Date
DE69420055D1 DE69420055D1 (de) 1999-09-16
DE69420055T2 true DE69420055T2 (de) 2000-04-20

Family

ID=22692397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420055T Expired - Lifetime DE69420055T2 (de) 1994-01-27 1994-06-29 Direktgesteuertes servoventil mit einem positionsensor des motors

Country Status (5)

Country Link
EP (1) EP0741879B1 (de)
JP (1) JPH09502501A (de)
DE (1) DE69420055T2 (de)
TW (1) TW266345B (de)
WO (1) WO1995020781A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108887B (fi) 1998-01-23 2002-04-15 Metso Paper Automation Oy Toimilaite
JPH11280561A (ja) * 1998-03-27 1999-10-12 Unisia Jecs Corp Ｅｇｒバルブ装置
US7882852B2 (en) 2004-05-04 2011-02-08 Woodward Hrt, Inc. Direct drive servovalve device with redundant position sensing and methods for making the same
WO2008138147A1 (en) * 2007-05-15 2008-11-20 Nxtgen Emission Controls Inc. Syngas flow diverter
CN103195767A (zh) * 2013-04-12 2013-07-10 长春航空液压控制有限公司 一种直动调节式力矩马达流量伺服阀
GB201310452D0 (en) 2013-06-12 2013-07-24 Blagdon Actuation Res Ltd Fluid Manifolds
EP3496658A4 (de) * 2016-08-12 2020-04-08 Carlos A. Hakim Extern programmierbare magnetventilanordnung und steuergerät
DE112022003294T5 (de) * 2021-06-29 2024-05-29 Fujikoki Corporation Elektroventil
WO2023276366A1 (ja) * 2021-06-29 2023-01-05 株式会社不二工機 電動弁

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8404169D0 (en) * 1984-02-17 1984-03-21 Dowty Hydraulic Units Ltd Electrohydraulic servo valve
DE3914860A1 (de) * 1989-05-07 1990-11-08 Hartmann Hans Hydraulische antriebsvorrichtung
US5285715A (en) * 1992-08-06 1994-02-15 Hr Textron, Inc. Electrohydraulic servovalve with flow gain compensation

Also Published As

Publication number Publication date
TW266345B (de) 1995-12-21
WO1995020781A1 (en) 1995-08-03
JPH09502501A (ja) 1997-03-11
EP0741879A1 (de) 1996-11-13
EP0741879B1 (de) 1999-08-11
DE69420055D1 (de) 1999-09-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition