CN101886574B - 热负荷下具有改进的运行间隙的定子外壳 - Google Patents

热负荷下具有改进的运行间隙的定子外壳 Download PDF

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Publication number
CN101886574B
CN101886574B CN201010005274.1A CN201010005274A CN101886574B CN 101886574 B CN101886574 B CN 101886574B CN 201010005274 A CN201010005274 A CN 201010005274A CN 101886574 B CN101886574 B CN 101886574B
Authority
CN
China
Prior art keywords
rotor
stator
blade
internal surface
guard shield
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 - Fee Related
Application number
CN201010005274.1A
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English (en)
Chinese (zh)
Other versions
CN101886574A (zh
Inventor
M·W·弗拉纳甘
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CN101886574A publication Critical patent/CN101886574A/zh
Application granted granted Critical
Publication of CN101886574B publication Critical patent/CN101886574B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
    • F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/57—Leaf seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/59—Lamellar seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CN201010005274.1A 2009-01-08 2010-01-08 热负荷下具有改进的运行间隙的定子外壳 Expired - Fee Related CN101886574B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/350,386 US8177501B2 (en) 2009-01-08 2009-01-08 Stator casing having improved running clearances under thermal load
US12/350386 2009-01-08

Publications (2)

Publication Number Publication Date
CN101886574A CN101886574A (zh) 2010-11-17
CN101886574B true CN101886574B (zh) 2014-10-15

Family

ID=41694635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010005274.1A Expired - Fee Related CN101886574B (zh) 2009-01-08 2010-01-08 热负荷下具有改进的运行间隙的定子外壳

Country Status (4)

Country Link
US (1) US8177501B2 (enExample)
EP (1) EP2206888A3 (enExample)
JP (1) JP5438520B2 (enExample)
CN (1) CN101886574B (enExample)

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US20110250053A1 (en) * 2007-03-23 2011-10-13 Presz Jr Walter M Fluid turbines
US8834106B2 (en) * 2011-06-01 2014-09-16 United Technologies Corporation Seal assembly for gas turbine engine
US8973373B2 (en) * 2011-10-31 2015-03-10 General Electric Company Active clearance control system and method for gas turbine
US9598975B2 (en) * 2013-03-14 2017-03-21 Rolls-Royce Corporation Blade track assembly with turbine tip clearance control
GB201309580D0 (en) 2013-05-29 2013-07-10 Siemens Ag Rotor tip clearance
CN104295455A (zh) * 2014-08-01 2015-01-21 刘言成 电动车风阻自发电系统专用筒型内封闭式风叶轮
WO2016026656A1 (en) 2014-08-22 2016-02-25 British Telecommunications Public Limited Company Small cell resource allocation
CN104976076A (zh) * 2015-07-14 2015-10-14 刘言成 筒型内封闭式风叶轮惯性辅助飞轮体
SE540137C2 (en) 2016-06-23 2018-04-10 C Green Tech Ab Method for oxidation of a liquid phase in a hydrothermal carbonization process
CN107889117B (zh) 2016-09-30 2022-05-10 英国电讯有限公司 小小区簇的资源分配装置、资源分配方法以及通信系统
CN107889127B (zh) 2016-09-30 2022-08-16 英国电讯有限公司 小区簇的资源管理方法、装置及通信系统
CN107889116B (zh) 2016-09-30 2022-05-10 英国电讯有限公司 多级小区或小区簇的配置方法、装置以及通信系统
US10677260B2 (en) * 2017-02-21 2020-06-09 General Electric Company Turbine engine and method of manufacturing
JP7065941B2 (ja) * 2018-03-07 2022-05-12 川崎重工業株式会社 ガスタービンのシュラウド取付構造、シュラウド集合体及びシュラウド要素
US11236631B2 (en) 2018-11-19 2022-02-01 Rolls-Royce North American Technologies Inc. Mechanical iris tip clearance control
US10935142B2 (en) * 2019-02-01 2021-03-02 Rolls-Royce Corporation Mounting assembly for a ceramic seal runner
GB2581219B (en) * 2019-05-22 2021-07-28 Christian Schulte Horst Performance increased wind energy installation
CN118070455B (zh) * 2024-04-17 2024-07-05 中国航发四川燃气涡轮研究院 一种涡轮转静子径向装配间隙的设计方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634090A (en) * 1950-07-28 1953-04-07 Westinghouse Electric Corp Turbine apparatus
JPS57157002A (en) * 1981-03-25 1982-09-28 Hitachi Ltd Clearance controlling device for gas turbine
JPS63154805A (ja) * 1986-12-17 1988-06-28 Mitsubishi Heavy Ind Ltd ガスタ−ビン翼先端すき間の自動最適化機構
JPS6435001A (en) * 1987-07-30 1989-02-06 Toshiba Corp Gap adjusting device for seal part of turbine
JPH0230903A (ja) * 1988-07-20 1990-02-01 Hitachi Ltd 蒸気タービン
US5281085A (en) * 1990-12-21 1994-01-25 General Electric Company Clearance control system for separately expanding or contracting individual portions of an annular shroud
US5167488A (en) * 1991-07-03 1992-12-01 General Electric Company Clearance control assembly having a thermally-controlled one-piece cylindrical housing for radially positioning shroud segments
JPH0693803A (ja) * 1992-09-10 1994-04-05 Hitachi Ltd ラビリンスパッキン
US6733233B2 (en) * 2002-04-26 2004-05-11 Pratt & Whitney Canada Corp. Attachment of a ceramic shroud in a metal housing
US7434402B2 (en) * 2005-03-29 2008-10-14 Siemens Power Generation, Inc. System for actively controlling compressor clearances

Also Published As

Publication number Publication date
CN101886574A (zh) 2010-11-17
JP2010159755A (ja) 2010-07-22
EP2206888A2 (en) 2010-07-14
US20100172754A1 (en) 2010-07-08
US8177501B2 (en) 2012-05-15
JP5438520B2 (ja) 2014-03-12
EP2206888A3 (en) 2012-11-28

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20141015

Termination date: 20160108