CH681380A5 - - Google Patents

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Publication number
CH681380A5
CH681380A5 CH1204/90A CH120490A CH681380A5 CH 681380 A5 CH681380 A5 CH 681380A5 CH 1204/90 A CH1204/90 A CH 1204/90A CH 120490 A CH120490 A CH 120490A CH 681380 A5 CH681380 A5 CH 681380A5
Authority
CH
Switzerland
Prior art keywords
valve
control valve
drive arrangement
arrangement according
control valves
Prior art date
Application number
CH1204/90A
Other languages
German (de)
English (en)
Inventor
Edi Burch
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4204939&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CH681380(A5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to CH1204/90A priority Critical patent/CH681380A5/de
Priority to ES91104112T priority patent/ES2058962T3/es
Priority to AT91104112T priority patent/ATE108512T1/de
Priority to DE59102144T priority patent/DE59102144D1/de
Priority to DK91104112.7T priority patent/DK0451543T3/da
Priority to EP91104112A priority patent/EP0451543B1/de
Priority to US07/674,888 priority patent/US5095804A/en
Priority to JP3074903A priority patent/JPH04224303A/ja
Publication of CH681380A5 publication Critical patent/CH681380A5/de

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
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Turbines (AREA)
  • Servomotors (AREA)
  • Fluid-Driven Valves (AREA)
  • Temperature-Responsive Valves (AREA)
CH1204/90A 1990-04-09 1990-04-09 CH681380A5 (OSRAM)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH1204/90A CH681380A5 (OSRAM) 1990-04-09 1990-04-09
ES91104112T ES2058962T3 (es) 1990-04-09 1991-03-16 Accionamiento para una valvula de regulacion de vapor.
AT91104112T ATE108512T1 (de) 1990-04-09 1991-03-16 Antrieb für ein dampfstellventil.
DE59102144T DE59102144D1 (de) 1990-04-09 1991-03-16 Antrieb für ein Dampfstellventil.
DK91104112.7T DK0451543T3 (da) 1990-04-09 1991-03-16 Drev til en dampreguleringsventil
EP91104112A EP0451543B1 (de) 1990-04-09 1991-03-16 Antrieb für ein Dampfstellventil
US07/674,888 US5095804A (en) 1990-04-09 1991-03-26 Drive for a steam servo valve
JP3074903A JPH04224303A (ja) 1990-04-09 1991-04-08 蒸気調整弁用の駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1204/90A CH681380A5 (OSRAM) 1990-04-09 1990-04-09

Publications (1)

Publication Number Publication Date
CH681380A5 true CH681380A5 (OSRAM) 1993-03-15

Family

ID=4204939

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1204/90A CH681380A5 (OSRAM) 1990-04-09 1990-04-09

Country Status (8)

Country Link
US (1) US5095804A (OSRAM)
EP (1) EP0451543B1 (OSRAM)
JP (1) JPH04224303A (OSRAM)
AT (1) ATE108512T1 (OSRAM)
CH (1) CH681380A5 (OSRAM)
DE (1) DE59102144D1 (OSRAM)
DK (1) DK0451543T3 (OSRAM)
ES (1) ES2058962T3 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037524A1 (de) * 1990-11-26 1992-05-27 Leybold Ag Lecksuchgeraet
DE59203461D1 (de) * 1991-11-04 1995-10-05 Asea Brown Boveri Speiseschaltung für eine Zweirohr-Hydraulik.
DE4244304A1 (de) * 1992-12-28 1994-06-30 Asea Brown Boveri Betätigungsvorrichtung für einen hydraulischen Stellantrieb mit druckproportionalem Stellsignal
GB9421149D0 (en) * 1994-10-20 1994-12-07 Smiths Industries Plc Hydraulic systems
US5568759A (en) * 1995-06-07 1996-10-29 Caterpillar Inc. Hydraulic circuit having dual electrohydraulic control valves
DE19535691C1 (de) * 1995-09-26 1997-01-23 Rothenberger Werkzeuge Masch Hydraulisch angetriebenes Handwerkzeug
JP4369292B2 (ja) * 2004-05-06 2009-11-18 タイコ フローコントロールジャパン株式会社 緊急遮断弁装置
CN101871840B (zh) * 2010-07-12 2011-07-20 山东电力研究院 汽轮机高压调门流量特性在线测试方法
CN103438040A (zh) * 2013-08-21 2013-12-11 上海汇益控制系统股份有限公司 高压调节阀的液压控制装置
EP3425213B1 (en) * 2017-07-03 2020-11-25 LEONARDO S.p.A. Safety valve and method for controlling a hydraulic circuit
DE102017131004A1 (de) * 2017-12-21 2019-06-27 Moog Gmbh Stellantrieb mit hydraulischem Abflussverstärker
FR3143072A1 (fr) * 2022-12-13 2024-06-14 Safran Power Units Actionneur, turbomachine et aéronef comprenant un tel actionneur, et procédé d’actionnement correspondant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2411525A1 (de) * 1973-03-23 1974-10-03 Stal Laval Turbin Ab Hydraulisches servosystem fuer dampfturbinen
US4276810A (en) * 1972-11-08 1981-07-07 Control Concepts, Inc. Programmed valve system used for positioning control
US4401009A (en) * 1972-11-08 1983-08-30 Control Concepts, Inc. Closed center programmed valve system with load sense
EP0127027A1 (de) * 1983-05-30 1984-12-05 BBC Brown Boveri AG Elektrohydraulischer Stellantrieb für Turbinenventile

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620129A (en) * 1970-07-15 1971-11-16 Gen Signal Corp Hydraulic power circuit with emergency lowering provisions
US4165613A (en) * 1978-03-27 1979-08-28 Koehring Company Control apparatus for a plurality of simultaneously actuatable fluid motors
US4275691A (en) * 1979-02-05 1981-06-30 Wolff George D Electromechanical precision governor for internal combustion engines
DE3140266A1 (de) * 1981-10-10 1983-04-28 Mannesmann Rexroth GmbH, 8770 Lohr "vorrichtung zum steuern eines hydromotors"
DE3201546C2 (de) * 1982-01-20 1986-03-27 Mannesmann Rexroth GmbH, 8770 Lohr Vorrichtung zum Steuern eines Hydromotors
JPS6213204U (OSRAM) * 1985-07-10 1987-01-27
US4741247A (en) * 1986-09-17 1988-05-03 Rexa Corporation Pneumatic actuator apparatus
DE3804744A1 (de) * 1988-02-16 1989-08-24 Danfoss As Steuereinrichtung fuer einen hydraulischen stellmotor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276810A (en) * 1972-11-08 1981-07-07 Control Concepts, Inc. Programmed valve system used for positioning control
US4401009A (en) * 1972-11-08 1983-08-30 Control Concepts, Inc. Closed center programmed valve system with load sense
DE2411525A1 (de) * 1973-03-23 1974-10-03 Stal Laval Turbin Ab Hydraulisches servosystem fuer dampfturbinen
EP0127027A1 (de) * 1983-05-30 1984-12-05 BBC Brown Boveri AG Elektrohydraulischer Stellantrieb für Turbinenventile

Also Published As

Publication number Publication date
DE59102144D1 (de) 1994-08-18
EP0451543B1 (de) 1994-07-13
ES2058962T3 (es) 1994-11-01
EP0451543A1 (de) 1991-10-16
DK0451543T3 (da) 1994-10-31
JPH04224303A (ja) 1992-08-13
ATE108512T1 (de) 1994-07-15
US5095804A (en) 1992-03-17

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