GB1460944A - Control valve unit including a hydraulic servo motor - Google Patents

Control valve unit including a hydraulic servo motor

Info

Publication number
GB1460944A
GB1460944A GB1764774A GB1764774A GB1460944A GB 1460944 A GB1460944 A GB 1460944A GB 1764774 A GB1764774 A GB 1764774A GB 1764774 A GB1764774 A GB 1764774A GB 1460944 A GB1460944 A GB 1460944A
Authority
GB
United Kingdom
Prior art keywords
valve
signal
regulator
servomotor
controlled
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
Application number
GB1764774A
Other languages
English (en)
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 Stal AB
Original Assignee
Stal Laval Turbin 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 Stal Laval Turbin AB filed Critical Stal Laval Turbin AB
Publication of GB1460944A publication Critical patent/GB1460944A/en
Expired 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
    • 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
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Control Of Water Turbines (AREA)
GB1764774A 1973-04-24 1974-04-23 Control valve unit including a hydraulic servo motor Expired GB1460944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7305708A SE372054B (enrdf_load_stackoverflow) 1973-04-24 1973-04-24

Publications (1)

Publication Number Publication Date
GB1460944A true GB1460944A (en) 1977-01-06

Family

ID=20317271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1764774A Expired GB1460944A (en) 1973-04-24 1974-04-23 Control valve unit including a hydraulic servo motor

Country Status (4)

Country Link
JP (1) JPS5012403A (enrdf_load_stackoverflow)
DE (1) DE2417666B2 (enrdf_load_stackoverflow)
GB (1) GB1460944A (enrdf_load_stackoverflow)
SE (1) SE372054B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024559C2 (de) * 1980-06-28 1984-02-02 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Stellvorrichtung für ein Absperrventil
DE3049348C2 (de) * 1980-12-29 1985-10-31 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Turbinenventile
JPS61116107A (ja) * 1984-11-09 1986-06-03 Hitachi Ltd アクチユエ−タの制御装置

Also Published As

Publication number Publication date
JPS5012403A (enrdf_load_stackoverflow) 1975-02-08
SE372054B (enrdf_load_stackoverflow) 1974-12-09
DE2417666A1 (de) 1975-01-30
DE2417666B2 (de) 1979-02-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee