DE59005002D1 - Stellantrieb. - Google Patents

Stellantrieb.

Info

Publication number
DE59005002D1
DE59005002D1 DE90117575T DE59005002T DE59005002D1 DE 59005002 D1 DE59005002 D1 DE 59005002D1 DE 90117575 T DE90117575 T DE 90117575T DE 59005002 T DE59005002 T DE 59005002T DE 59005002 D1 DE59005002 D1 DE 59005002D1
Authority
DE
Germany
Prior art keywords
pilot control
operated
main piston
oil pressure
piston
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
DE90117575T
Other languages
English (en)
Inventor
Heinz Frey
Kamil Prochazka
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.)
ABB Schweiz Holding AG
ABB AB
Original Assignee
Asea Brown Boveri AG Switzerland
Asea Brown Boveri AB
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 Asea Brown Boveri AG Switzerland, Asea Brown Boveri AB filed Critical Asea Brown Boveri AG Switzerland
Application granted granted Critical
Publication of DE59005002D1 publication Critical patent/DE59005002D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Fluid-Driven Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Control Of Transmission Device (AREA)
DE90117575T 1989-09-28 1990-09-12 Stellantrieb. Expired - Fee Related DE59005002D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3518/89A CH678968A5 (de) 1989-09-28 1989-09-28

Publications (1)

Publication Number Publication Date
DE59005002D1 true DE59005002D1 (de) 1994-04-21

Family

ID=4257735

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90117575T Expired - Fee Related DE59005002D1 (de) 1989-09-28 1990-09-12 Stellantrieb.

Country Status (7)

Country Link
US (1) US5193779A (de)
EP (1) EP0419946B1 (de)
JP (1) JP2974749B2 (de)
AT (1) ATE103035T1 (de)
CH (1) CH678968A5 (de)
DE (1) DE59005002D1 (de)
ES (1) ES2053042T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007120679A (ja) * 2005-10-28 2007-05-17 Sun Wave Ind Co Ltd 板材の接合構造
US8290631B2 (en) * 2009-03-12 2012-10-16 Emerson Process Management Power & Water Solutions, Inc. Methods and apparatus to arbitrate valve position sensor redundancy
CN106801629B (zh) * 2017-03-07 2019-04-12 北京博力威格智能传控设备有限公司 一种汽轮机用速关阀油动机装置
US20220145774A1 (en) * 2019-03-27 2022-05-12 Salvatore Shifrin Self contained hydraulic lock apparatus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE474923C (de) * 1929-04-13 J A Maffei A G Regelungseinrichtung an Dampfturbinen
BE464678A (de) * 1945-05-24
DE1601759B2 (de) * 1967-07-19 1972-02-24 Siemens AG, 1000 Berlin u 8000 München Hydraulisch betaetigter stellantrieb mit kraftkolben vorzugs weise zur betaetigung von ventilen fuer grosse mengenstroeme
SE372055B (de) * 1973-03-23 1974-12-09 Stal Laval Turbin Ab
JPS6014201B2 (ja) * 1975-12-01 1985-04-12 黒田精工株式会社 空圧デイジタルシリンダー装置
CH624187A5 (de) * 1977-09-29 1981-07-15 Bbc Brown Boveri & Cie
US4335867A (en) * 1977-10-06 1982-06-22 Bihlmaier John A Pneumatic-hydraulic actuator system
DE2835771A1 (de) * 1978-08-16 1980-02-28 Schwelm & Towler Hydraulics Anordnung zur aussteuerung eines cartridgeelementes
US4215844A (en) * 1978-08-28 1980-08-05 The Babcock & Wilcox Company Valve actuator system
JPS58174701A (ja) * 1982-04-07 1983-10-13 Diesel Kiki Co Ltd 油圧アクチユエ−タ装置
DE3309441A1 (de) * 1983-03-16 1984-09-27 Kraftwerk Union AG, 4330 Mülheim Turbinen-regel- und steuersystem
DE3469777D1 (en) * 1983-05-30 1988-04-14 Bbc Brown Boveri & Cie Electro-hydraulic actuator for turbine valves
CH666132A5 (de) * 1984-07-20 1988-06-30 Bbc Brown Boveri & Cie Einrichtung zur ueberwachung von physikalischen groessen an anlagen.
US4807518A (en) * 1986-10-14 1989-02-28 Cincinnati Milacron Inc. Counterbalance mechanism for vertically movable means
EP0322503A3 (de) * 1987-12-29 1991-09-25 Daihatsu Diesel Mfg. Co., Ltd. Flüssigkeitsgerät
US4901625A (en) * 1989-01-03 1990-02-20 Increcyl, Inc. Apparatus and method for positioning equipment

Also Published As

Publication number Publication date
JP2974749B2 (ja) 1999-11-10
US5193779A (en) 1993-03-16
CH678968A5 (de) 1991-11-29
ATE103035T1 (de) 1994-04-15
ES2053042T3 (es) 1994-07-16
EP0419946B1 (de) 1994-03-16
JPH03121203A (ja) 1991-05-23
EP0419946A1 (de) 1991-04-03

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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