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IT1220695B - Sistema valvolare con forza di insediamento regolabile - Google Patents

Sistema valvolare con forza di insediamento regolabile

Info

Publication number
IT1220695B
IT1220695B IT41600/88A IT4160088A IT1220695B IT 1220695 B IT1220695 B IT 1220695B IT 41600/88 A IT41600/88 A IT 41600/88A IT 4160088 A IT4160088 A IT 4160088A IT 1220695 B IT1220695 B IT 1220695B
Authority
IT
Italy
Prior art keywords
valve system
setting force
adjustable setting
adjustable
force
Prior art date
Application number
IT41600/88A
Other languages
English (en)
Other versions
IT8841600A0 (it
Inventor
Lawrence Wilhelm Peter
Gilbert Frederick Hyde
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8841600A0 publication Critical patent/IT8841600A0/it
Application granted granted Critical
Publication of IT1220695B publication Critical patent/IT1220695B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • 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
    • F01D17/105—Final actuators by passing part of the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)
  • Lift Valve (AREA)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
IT41600/88A 1987-05-14 1988-05-11 Sistema valvolare con forza di insediamento regolabile IT1220695B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/049,364 US4852850A (en) 1987-05-14 1987-05-14 Valve system with adjustable seating force

Publications (2)

Publication Number Publication Date
IT8841600A0 IT8841600A0 (it) 1988-05-11
IT1220695B true IT1220695B (it) 1990-06-15

Family

ID=21959420

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41600/88A IT1220695B (it) 1987-05-14 1988-05-11 Sistema valvolare con forza di insediamento regolabile

Country Status (7)

Country Link
US (1) US4852850A (it)
JP (1) JPS63303285A (it)
KR (1) KR880014232A (it)
CN (1) CN1014086B (it)
CA (1) CA1282009C (it)
ES (1) ES2007842A6 (it)
IT (1) IT1220695B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139663A (en) * 1991-03-14 1992-08-18 Microlift Systems Limited Partnership Discharge valve for dissolved air flotation
DE4244304A1 (de) * 1992-12-28 1994-06-30 Asea Brown Boveri Betätigungsvorrichtung für einen hydraulischen Stellantrieb mit druckproportionalem Stellsignal
DE102004048689B3 (de) * 2004-10-06 2005-10-20 Siemens Ag Zweistufiges Servoventil
DE102011007629B3 (de) * 2011-04-18 2012-09-27 Siemens Aktiengesellschaft Elektropneumatischer Stellungsregler
CN103075524B (zh) * 2013-02-05 2014-07-16 王振水 汽爆装置用速开阀门
JP6139369B2 (ja) * 2013-10-15 2017-05-31 株式会社東芝 蒸気弁装置
CN103807490B (zh) * 2014-01-15 2016-04-20 同济大学 一种气液联动快关阀门系统
JP6132792B2 (ja) * 2014-03-17 2017-05-24 株式会社東芝 蒸気弁駆動装置
JP6577314B2 (ja) * 2015-09-25 2019-09-18 株式会社東芝 蒸気タービン弁駆動装置及び蒸気タービン弁

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1721324A (en) * 1929-07-16 wilson
US2707378A (en) * 1952-05-26 1955-05-03 Phillips Petroleum Co Excess flow valve
JPS4419662Y1 (it) * 1964-05-29 1969-08-22
US3656707A (en) * 1970-04-16 1972-04-18 Marotta Scientific Controls Poppet valve assembly with straight-through flow
CH528693A (de) * 1970-09-01 1972-09-30 Sulzer Ag Sicherheitsvorrichtung mit einem Ventil, vorzugsweise Absperrventil
US3684236A (en) * 1970-08-17 1972-08-15 Westinghouse Electric Corp Combined hydraulic dump and control valve structure
US3858844A (en) * 1973-05-18 1975-01-07 Westinghouse Electric Corp Nuclear turbine steam bypass dump valve
US3892382A (en) * 1973-06-22 1975-07-01 Westinghouse Electric Corp Holding arrangement for a main valve plug and a pilot valve plug
US4019712A (en) * 1974-05-14 1977-04-26 Westinghouse Electric Corporation Positive closure system for free floating disc valve
IT1041982B (it) * 1974-09-11 1980-01-10 Atwood & Morrill Co Inc Valvola azionata da un fluido
JPS5429728A (en) * 1977-08-01 1979-03-05 Masaya Nagai Measure for ripeness of watermelon
DE3019602C2 (de) * 1980-05-22 1984-10-11 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Turbinenventile
EP0126291B1 (de) * 1983-05-19 1988-07-27 GebràœDer Sulzer Aktiengesellschaft Druckmediumbetätigtes Ventil
US4589627A (en) * 1984-01-26 1986-05-20 Sulzer Brothers Limited Pressure medium actuated valve

Also Published As

Publication number Publication date
CN1014086B (zh) 1991-09-25
ES2007842A6 (es) 1989-07-01
JPS63303285A (ja) 1988-12-09
CA1282009C (en) 1991-03-26
US4852850A (en) 1989-08-01
CN88102794A (zh) 1988-11-30
KR880014232A (ko) 1988-12-23
IT8841600A0 (it) 1988-05-11

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