CN103375195B - 用于涡轮间隙流减少的方法和设备 - Google Patents

用于涡轮间隙流减少的方法和设备 Download PDF

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Publication number
CN103375195B
CN103375195B CN201310133387.3A CN201310133387A CN103375195B CN 103375195 B CN103375195 B CN 103375195B CN 201310133387 A CN201310133387 A CN 201310133387A CN 103375195 B CN103375195 B CN 103375195B
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CN
China
Prior art keywords
flow
tooth
bucket
turbine
fluid passage
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
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CN201310133387.3A
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English (en)
Chinese (zh)
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CN103375195A (zh
Inventor
王宇
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General Electric Co
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General Electric Co
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Publication of CN103375195A publication Critical patent/CN103375195A/zh
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Publication of CN103375195B publication Critical patent/CN103375195B/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
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CN201310133387.3A 2012-04-17 2013-04-17 用于涡轮间隙流减少的方法和设备 Expired - Fee Related CN103375195B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/448861 2012-04-17
US13/448,861 US9145786B2 (en) 2012-04-17 2012-04-17 Method and apparatus for turbine clearance flow reduction

Publications (2)

Publication Number Publication Date
CN103375195A CN103375195A (zh) 2013-10-30
CN103375195B true CN103375195B (zh) 2017-03-01

Family

ID=48139726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310133387.3A Expired - Fee Related CN103375195B (zh) 2012-04-17 2013-04-17 用于涡轮间隙流减少的方法和设备

Country Status (5)

Country Link
US (1) US9145786B2 (https=)
EP (1) EP2653664A3 (https=)
JP (1) JP2013221521A (https=)
CN (1) CN103375195B (https=)
RU (1) RU2013117264A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11047249B2 (en) * 2019-05-01 2021-06-29 Raytheon Technologies Corporation Labyrinth seal with passive check valve
CN112065512B (zh) * 2020-08-31 2021-11-16 南京航空航天大学 一种减小间隙泄漏流量的篦齿封严装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282718A (en) * 1991-01-30 1994-02-01 United Technologies Corporation Case treatment for compressor blades
US5607284A (en) * 1994-12-29 1997-03-04 United Technologies Corporation Baffled passage casing treatment for compressor blades
US5707206A (en) * 1995-07-18 1998-01-13 Ebara Corporation Turbomachine

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963268A (en) * 1957-03-25 1960-12-06 Gen Electric Pressurized seal
US3597102A (en) * 1968-06-10 1971-08-03 English Electric Co Ltd Turbines
US3887299A (en) 1973-08-28 1975-06-03 Us Air Force Non-abradable turbine seal
US4084825A (en) 1976-03-31 1978-04-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Counter pumping debris excluder and separator
JPS5313005A (en) * 1976-07-21 1978-02-06 Hitachi Ltd Turbine stage internal structure
JPS53113903A (en) * 1977-03-16 1978-10-04 Hitachi Ltd Blade lattice device for an axial-flow fluid machine
US4311431A (en) * 1978-11-08 1982-01-19 Teledyne Industries, Inc. Turbine engine with shroud cooling means
US4377371A (en) 1981-03-11 1983-03-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Laser surface fusion of plasma sprayed ceramic turbine seals
US4430360A (en) 1981-03-11 1984-02-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of fabricating an abradable gas path seal
US4436311A (en) 1982-04-20 1984-03-13 Brandon Ronald E Segmented labyrinth-type shaft sealing system for fluid turbines
JPS6345402A (ja) * 1986-08-11 1988-02-26 Nagasu Hideo 流体機械
JPH01132998A (ja) 1987-11-19 1989-05-25 Toshiba Corp 原子炉の運転方法
US4820119A (en) 1988-05-23 1989-04-11 United Technologies Corporation Inner turbine seal
JPH0579446A (ja) 1991-09-18 1993-03-30 Hitachi Ltd 端面形軸封装置
JPH06323105A (ja) * 1993-05-13 1994-11-22 Hitachi Ltd 軸流型ターボ機械の漏れ流れ流路構造
US5735667A (en) 1996-05-06 1998-04-07 Innovative Technology, L.L.C. Method and apparatus for minimizing leakage in turbine seals
CN1215251C (zh) 1996-08-05 2005-08-17 罗纳德·E·布兰登 流体涡轮机的密封装置
US5797723A (en) 1996-11-13 1998-08-25 General Electric Company Turbine flowpath seal
US6946208B2 (en) 1996-12-10 2005-09-20 Siemens Westinghouse Power Corporation Sinter resistant abradable thermal barrier coating
JPH10252412A (ja) 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービンシール装置
JPH10274003A (ja) 1997-03-31 1998-10-13 Mitsubishi Heavy Ind Ltd ガスタービンのシール装置
WO1998055736A1 (fr) 1997-06-04 1998-12-10 Mitsubishi Heavy Industries, Ltd. Structure d'etancheite montee entre les disques d'une turbine a gaz
JPH1122412A (ja) 1997-07-07 1999-01-26 Mitsubishi Heavy Ind Ltd ガスタービンシールリング保持環の冷却方法
JPH11107705A (ja) 1997-10-07 1999-04-20 Mitsubishi Heavy Ind Ltd ガスタービンクリアランスのアクティブコントロール方法
JP3564286B2 (ja) 1997-12-08 2004-09-08 三菱重工業株式会社 ガスタービン静翼の段間シールアクティブクリアランス制御システム
US6220814B1 (en) 1998-07-16 2001-04-24 Siemens Westinghouse Power Corporation Turbine interstage sealing arrangement
US6162014A (en) 1998-09-22 2000-12-19 General Electric Company Turbine spline seal and turbine assembly containing such spline seal
JP4337960B2 (ja) 1998-12-17 2009-09-30 ゼネラル・エレクトリック・カンパニイ コンバインドサイクルシステムにおいて補助蒸気を供給するための装置及び方法
US6220815B1 (en) 1999-12-17 2001-04-24 General Electric Company Inter-stage seal retainer and assembly
US6485025B1 (en) 2000-11-27 2002-11-26 Neomet Limited Metallic cellular structure
DE10121019A1 (de) 2001-04-28 2002-10-31 Alstom Switzerland Ltd Gasturbinendichtung
US6547522B2 (en) 2001-06-18 2003-04-15 General Electric Company Spring-backed abradable seal for turbomachinery
US6926928B2 (en) 2002-07-19 2005-08-09 General Electric Company Protection of a gas turbine component by a vapor-deposited oxide coating
US6883807B2 (en) 2002-09-13 2005-04-26 Seimens Westinghouse Power Corporation Multidirectional turbine shim seal
JP4387697B2 (ja) 2003-06-12 2009-12-16 株式会社東芝 蒸気タービンシール装置およびそれを備えた蒸気タービン
GB2409247A (en) * 2003-12-20 2005-06-22 Rolls Royce Plc A seal arrangement
GB2413158B (en) * 2004-04-13 2006-08-16 Rolls Royce Plc Flow control arrangement
US20060127242A1 (en) 2004-12-09 2006-06-15 Martin Steve P Turbocharger with removable wheel shrouds and/or removable seals
US7527469B2 (en) 2004-12-10 2009-05-05 Siemens Energy, Inc. Transition-to-turbine seal apparatus and kit for transition/turbine junction of a gas turbine engine
JP4598583B2 (ja) 2005-03-31 2010-12-15 株式会社日立製作所 蒸気タービンシール装置
US8375719B2 (en) 2005-05-12 2013-02-19 Recurrent Engineering, Llc Gland leakage seal system
US20070128447A1 (en) 2005-12-02 2007-06-07 General Electric Company Corrosion inhibiting ceramic coating and method of application
US7784264B2 (en) 2006-08-03 2010-08-31 Siemens Energy, Inc. Slidable spring-loaded transition-to-turbine seal apparatus and heat-shielding system, comprising the seal, at transition/turbine junction of a gas turbine engine
US7708520B2 (en) 2006-11-29 2010-05-04 United Technologies Corporation Gas turbine engine with concave pocket with knife edge seal
US7364801B1 (en) 2006-12-06 2008-04-29 General Electric Company Turbine component protected with environmental coating
US8167547B2 (en) 2007-03-05 2012-05-01 United Technologies Corporation Gas turbine engine with canted pocket and canted knife edge seal
US7797948B2 (en) 2007-03-27 2010-09-21 Siemens Energy, Inc. Transition-to-turbine seal apparatus and transition-to-turbine seal junction of a gas turbine engine
US8079806B2 (en) 2007-11-28 2011-12-20 United Technologies Corporation Segmented ceramic layer for member of gas turbine engine
JP2009221982A (ja) 2008-03-17 2009-10-01 Toshiba Corp 蒸気タービンシール装置
US8052375B2 (en) 2008-06-02 2011-11-08 General Electric Company Fluidic sealing for turbomachinery
US20100072710A1 (en) 2008-09-22 2010-03-25 General Electric Company Gas Turbine Seal
US8534076B2 (en) 2009-06-09 2013-09-17 Honeywell Internationl Inc. Combustor-turbine seal interface for gas turbine engine
US20100330295A1 (en) 2009-06-30 2010-12-30 General Electric Company Method for providing ductile environmental coating having fatigue and corrosion resistance
US20100330393A1 (en) 2009-06-30 2010-12-30 Brian Thomas Hazel Ductile environmental coating and coated article having fatigue and corrosion resistance
US20110070072A1 (en) * 2009-09-23 2011-03-24 General Electric Company Rotary machine tip clearance control mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282718A (en) * 1991-01-30 1994-02-01 United Technologies Corporation Case treatment for compressor blades
US5607284A (en) * 1994-12-29 1997-03-04 United Technologies Corporation Baffled passage casing treatment for compressor blades
US5707206A (en) * 1995-07-18 1998-01-13 Ebara Corporation Turbomachine

Also Published As

Publication number Publication date
US9145786B2 (en) 2015-09-29
CN103375195A (zh) 2013-10-30
RU2013117264A (ru) 2014-10-27
JP2013221521A (ja) 2013-10-28
US20130272839A1 (en) 2013-10-17
EP2653664A2 (en) 2013-10-23
EP2653664A3 (en) 2014-05-14

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