CH678968A5 - - Google Patents

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Publication number
CH678968A5
CH678968A5 CH3518/89A CH351889A CH678968A5 CH 678968 A5 CH678968 A5 CH 678968A5 CH 3518/89 A CH3518/89 A CH 3518/89A CH 351889 A CH351889 A CH 351889A CH 678968 A5 CH678968 A5 CH 678968A5
Authority
CH
Switzerland
Prior art keywords
valve
control valve
line
oil pressure
main piston
Prior art date
Application number
CH3518/89A
Other languages
German (de)
English (en)
Inventor
Heinz Frey
Kamil Prochazka
Original Assignee
Asea Brown Boveri
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 filed Critical Asea Brown Boveri
Priority to CH3518/89A priority Critical patent/CH678968A5/de
Priority to ES90117575T priority patent/ES2053042T3/es
Priority to AT90117575T priority patent/ATE103035T1/de
Priority to EP90117575A priority patent/EP0419946B1/de
Priority to DE90117575T priority patent/DE59005002D1/de
Priority to US07/586,227 priority patent/US5193779A/en
Priority to JP2257616A priority patent/JP2974749B2/ja
Publication of CH678968A5 publication Critical patent/CH678968A5/de

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)
  • Fluid-Driven Valves (AREA)
  • Control Of Turbines (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Transmission Device (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
CH3518/89A 1989-09-28 1989-09-28 CH678968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH3518/89A CH678968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-28 1989-09-28
ES90117575T ES2053042T3 (es) 1989-09-28 1990-09-12 Accionamiento regulador.
AT90117575T ATE103035T1 (de) 1989-09-28 1990-09-12 Stellantrieb.
EP90117575A EP0419946B1 (de) 1989-09-28 1990-09-12 Stellantrieb
DE90117575T DE59005002D1 (de) 1989-09-28 1990-09-12 Stellantrieb.
US07/586,227 US5193779A (en) 1989-09-28 1990-09-21 Actuating drive
JP2257616A JP2974749B2 (ja) 1989-09-28 1990-09-28 調整弁のための調節駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3518/89A CH678968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-28 1989-09-28

Publications (1)

Publication Number Publication Date
CH678968A5 true CH678968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-29

Family

ID=4257735

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3518/89A CH678968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-28 1989-09-28

Country Status (7)

Country Link
US (1) US5193779A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0419946B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP2974749B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE103035T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH678968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE59005002D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2053042T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
WO2020198599A1 (en) * 2019-03-27 2020-10-01 Salvatore Shifrin Self contained hydraulic lock apparatus

Citations (6)

* 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
CH244150A (de) * 1945-05-24 1946-08-31 Oerlikon Maschf Regulierungseinrichtung für Dampf- und Gasturbinen.
CH473318A (de) * 1967-07-19 1969-05-31 Siemens Ag Hydraulisch betätigter Stellantrieb, vorzugsweise für Ventile mit grossen Mengenströmen
DE3309441A1 (de) * 1983-03-16 1984-09-27 Kraftwerk Union AG, 4330 Mülheim Turbinen-regel- und steuersystem
EP0127027A1 (de) * 1983-05-30 1984-12-05 BBC Brown Boveri AG Elektrohydraulischer Stellantrieb für Turbinenventile
DE2748611C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1977-09-29 1989-04-20 Bbc Brown Boveri Ag, Baden, Aargau, Ch

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE372055B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
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
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 (en) * 1987-12-29 1991-09-25 Daihatsu Diesel Mfg. Co., Ltd. Fluid apparatus
US4901625A (en) * 1989-01-03 1990-02-20 Increcyl, Inc. Apparatus and method for positioning equipment

Patent Citations (6)

* 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
CH244150A (de) * 1945-05-24 1946-08-31 Oerlikon Maschf Regulierungseinrichtung für Dampf- und Gasturbinen.
CH473318A (de) * 1967-07-19 1969-05-31 Siemens Ag Hydraulisch betätigter Stellantrieb, vorzugsweise für Ventile mit grossen Mengenströmen
DE2748611C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1977-09-29 1989-04-20 Bbc Brown Boveri Ag, Baden, Aargau, Ch
DE3309441A1 (de) * 1983-03-16 1984-09-27 Kraftwerk Union AG, 4330 Mülheim Turbinen-regel- und steuersystem
EP0127027A1 (de) * 1983-05-30 1984-12-05 BBC Brown Boveri AG Elektrohydraulischer Stellantrieb für Turbinenventile

Also Published As

Publication number Publication date
ATE103035T1 (de) 1994-04-15
EP0419946A1 (de) 1991-04-03
ES2053042T3 (es) 1994-07-16
JP2974749B2 (ja) 1999-11-10
EP0419946B1 (de) 1994-03-16
US5193779A (en) 1993-03-16
DE59005002D1 (de) 1994-04-21
JPH03121203A (ja) 1991-05-23

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased