IT9021944A0 - Sistema di posizionamento assiale del cilindro interno per turbine a vapore - Google Patents

Sistema di posizionamento assiale del cilindro interno per turbine a vapore

Info

Publication number
IT9021944A0
IT9021944A0 IT21944A IT2194490A IT9021944A0 IT 9021944 A0 IT9021944 A0 IT 9021944A0 IT 21944 A IT21944 A IT 21944A IT 2194490 A IT2194490 A IT 2194490A IT 9021944 A0 IT9021944 A0 IT 9021944A0
Authority
IT
Italy
Prior art keywords
positioning system
steam turbine
axial positioning
internal cylinder
cylinder
Prior art date
Application number
IT21944A
Other languages
English (en)
Other versions
IT9021944A1 (it
IT1244079B (it
Inventor
George Joseph Silvestri Jr
Alvin Lorenz Stock
Michael Twerdochlib
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 IT9021944A0 publication Critical patent/IT9021944A0/it
Publication of IT9021944A1 publication Critical patent/IT9021944A1/it
Application granted granted Critical
Publication of IT1244079B publication Critical patent/IT1244079B/it

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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
  • Actuator (AREA)
IT02194490A 1989-11-22 1990-10-31 Sistema di posizionamento assiale del cilindro interno per turbine a vapore IT1244079B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/440,070 US5056986A (en) 1989-11-22 1989-11-22 Inner cylinder axial positioning system

Publications (3)

Publication Number Publication Date
IT9021944A0 true IT9021944A0 (it) 1990-10-31
IT9021944A1 IT9021944A1 (it) 1992-05-01
IT1244079B IT1244079B (it) 1994-07-05

Family

ID=23747302

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02194490A IT1244079B (it) 1989-11-22 1990-10-31 Sistema di posizionamento assiale del cilindro interno per turbine a vapore

Country Status (7)

Country Link
US (1) US5056986A (it)
JP (1) JP2972323B2 (it)
KR (1) KR0178964B1 (it)
CN (1) CN1051961A (it)
CA (1) CA2030463A1 (it)
ES (1) ES2026797A6 (it)
IT (1) IT1244079B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203673A (en) * 1992-01-21 1993-04-20 Westinghouse Electric Corp. Tip clearance control apparatus for a turbo-machine blade
EP1557536A1 (de) * 2004-01-22 2005-07-27 Siemens Aktiengesellschaft Strömungsmaschine mit einem axial verschiebbaren Rotor
KR100600338B1 (ko) * 2005-03-21 2006-07-18 주식회사 포스코 증기터빈 발전기 가동중 정렬의 최적 상태 유지 장치 및 그방법
KR100789311B1 (ko) * 2007-03-08 2007-12-28 한전케이피에스 주식회사 저압 터빈용 하부 그랜드 하우징 위치 조절 장치
US8939715B2 (en) * 2010-03-22 2015-01-27 General Electric Company Active tip clearance control for shrouded gas turbine blades and related method
US8864443B2 (en) 2010-07-14 2014-10-21 Hitachi, Ltd. Sealing device for steam turbines and method for controlling sealing device
JP5524411B2 (ja) * 2011-03-31 2014-06-18 三菱重工業株式会社 蒸気タービンの車室位置調整装置
DE102012213016A1 (de) * 2012-07-25 2014-01-30 Siemens Aktiengesellschaft Verfahren zur Minimierung des Spalts zwischen einem Läufer und einem Gehäuse
EP2821593A1 (en) * 2013-07-04 2015-01-07 Alstom Technology Ltd Method and apparatus for controlling a steam turbine axial clearance
US9683453B2 (en) 2013-09-11 2017-06-20 General Electric Company Turbine casing clearance management system
EP3052769B1 (en) * 2013-10-02 2017-12-20 United Technologies Corporation Translating compressor and turbine rotors for clearance control
CN106837432B (zh) * 2015-12-03 2019-10-11 上海电气电站设备有限公司 汽轮机胀差控制结构及控制方法
CN108775264B (zh) * 2018-07-18 2023-12-08 中国船舶重工集团公司第七0三研究所 一种低参数背压汽轮机双向挠性支承结构

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1281490A (en) * 1918-05-09 1918-10-15 Milo R Billado Compressed-air engine.
US2707941A (en) * 1951-11-05 1955-05-10 Gordon W Hardy Fluid operated reciprocating hand tool
US2748613A (en) * 1951-11-08 1956-06-05 Guay Lucien Lever and slide motion converting means with slidable connection
US2864392A (en) * 1954-06-01 1958-12-16 Bendix Aviat Corp Governor reset mechanism
US3058339A (en) * 1958-09-02 1962-10-16 Curtiss Wright Corp Vibration detector and measuring instrument
GB1344617A (en) * 1970-02-23 1974-01-23 Atomic Energy Authority Uk Detection of vibration
US3754433A (en) * 1971-09-17 1973-08-28 Bendix Corp Fluidic proximity sensor
DE2160365A1 (de) * 1971-12-06 1973-06-14 Horst Bredemeier Hubkolbenmaschine, insbesondere zum antrieb von winden
IT1043269B (it) * 1975-10-10 1980-02-20 Magneti Marelli Spa Sistema di inviduazione di una pluralita di posizioni angolaridi un organo rotante
CH609775A5 (it) * 1976-04-30 1979-03-15 Sulzer Ag
US4180329A (en) * 1978-03-23 1979-12-25 The United States Of America As Represented By The Secretary Of The Air Force Single blade proximity probe
GB2050524B (en) * 1979-06-06 1982-10-20 Rolls Royce Turbine stator shroud assembly
DE3044242A1 (de) * 1979-12-11 1981-09-03 Smiths Industries Ltd., London Anzeigesystem zur anzeige des abstandes der blaetter einer turbine zu einem bezugspunkt
US4326804A (en) * 1980-02-11 1982-04-27 General Electric Company Apparatus and method for optical clearance determination
FR2506455A1 (fr) * 1981-05-21 1982-11-26 Elf Aquitaine Systeme d'analyse des mouvements vibratoires d'une machine tournante
SU1016543A1 (ru) * 1982-02-22 1983-05-07 Харьковский Филиал Центрального Конструкторского Бюро Главэнергоремонта Минэнерго Ссср Устройство дл измерени вектора эксцентриситета ротора турбины
US4518917A (en) * 1982-08-31 1985-05-21 Westinghouse Electric Corp. Plural sensor apparatus for monitoring turbine blading with undesired component elimination
JPS59180075A (ja) * 1983-03-30 1984-10-12 Toshiba Corp 多段水力機械の運転制御方法
US4700127A (en) * 1984-05-02 1987-10-13 Nippon Soken, Inc. Microwave probe and rotary body detecting apparatus using the same
US4612501A (en) * 1984-07-26 1986-09-16 General Motors Corporation Self-adjusting magnetic sensor
GB2165590B (en) * 1984-10-09 1988-05-05 Rolls Royce Improvements in or relating to rotor tip clearance control devices
US4632635A (en) * 1984-12-24 1986-12-30 Allied Corporation Turbine blade clearance controller
GB2169962B (en) * 1985-01-22 1988-07-13 Rolls Royce Blade tip clearance control
US4842477A (en) * 1986-12-24 1989-06-27 General Electric Company Active clearance control
US4934192A (en) * 1988-07-11 1990-06-19 Westinghouse Electric Corp. Turbine blade vibration detection system

Also Published As

Publication number Publication date
JPH03179107A (ja) 1991-08-05
US5056986A (en) 1991-10-15
CN1051961A (zh) 1991-06-05
KR0178964B1 (ko) 1999-03-20
IT9021944A1 (it) 1992-05-01
IT1244079B (it) 1994-07-05
CA2030463A1 (en) 1991-05-23
JP2972323B2 (ja) 1999-11-08
ES2026797A6 (es) 1992-05-01
KR910010038A (ko) 1991-06-28

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971031