CN100350134C - 便于在涡轮机中密封的设备 - Google Patents

便于在涡轮机中密封的设备 Download PDF

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Publication number
CN100350134C
CN100350134C CNB2004100434187A CN200410043418A CN100350134C CN 100350134 C CN100350134 C CN 100350134C CN B2004100434187 A CNB2004100434187 A CN B2004100434187A CN 200410043418 A CN200410043418 A CN 200410043418A CN 100350134 C CN100350134 C CN 100350134C
Authority
CN
China
Prior art keywords
blade
turbo machine
protrusion
machine according
guide card
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
CNB2004100434187A
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English (en)
Chinese (zh)
Other versions
CN1550643A (zh
Inventor
A·C·法雷尔
D·C·霍菲
N·D·拉斯罗普
R·K·小奥弗保
K·J·罗伯特森
M·J·波斯
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 CN1550643A publication Critical patent/CN1550643A/zh
Application granted granted Critical
Publication of CN100350134C publication Critical patent/CN100350134C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CNB2004100434187A 2003-05-07 2004-04-30 便于在涡轮机中密封的设备 Expired - Fee Related CN100350134C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/431157 2003-05-07
US10/431,157 2003-05-07
US10/431,157 US7059821B2 (en) 2003-05-07 2003-05-07 Method and apparatus to facilitate sealing within turbines

Publications (2)

Publication Number Publication Date
CN1550643A CN1550643A (zh) 2004-12-01
CN100350134C true CN100350134C (zh) 2007-11-21

Family

ID=33416400

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100434187A Expired - Fee Related CN100350134C (zh) 2003-05-07 2004-04-30 便于在涡轮机中密封的设备

Country Status (4)

Country Link
US (1) US7059821B2 (enExample)
JP (1) JP2004332736A (enExample)
CN (1) CN100350134C (enExample)
DE (1) DE102004022162A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070048140A1 (en) * 2005-08-24 2007-03-01 General Electric Company Methods and apparatus for assembling gas turbine engines
JP5228311B2 (ja) * 2006-11-08 2013-07-03 株式会社Ｉｈｉ 圧縮機静翼
US7976026B2 (en) * 2007-04-30 2011-07-12 General Electric Company Methods and apparatus to facilitate sealing in rotary machines
EP2055902A1 (en) * 2007-10-31 2009-05-06 Siemens Aktiengesellschaft Turbine for a thermal power plant comprising a rotor bucket and a guide bucket
EP2096262A1 (en) * 2008-02-26 2009-09-02 Siemens Aktiengesellschaft Axial flow turbine with low shroud leakage losses
US8182207B2 (en) * 2008-03-17 2012-05-22 General Electric Company Inner turbine shell support configuration and methods
JP5308077B2 (ja) * 2008-06-10 2013-10-09 三菱重工業株式会社 タービンおよびタービン動翼
US8317465B2 (en) * 2009-07-02 2012-11-27 General Electric Company Systems and apparatus relating to turbine engines and seals for turbine engines
US8920126B2 (en) 2009-12-07 2014-12-30 Mitsubishi Heavy Industries, Ltd. Turbine and turbine rotor blade
JP5574825B2 (ja) * 2010-05-26 2014-08-20 三菱重工業株式会社 シール構造、これを備えたタービン機械およびこれを備えた発電プラント
DE102012005771B4 (de) * 2011-03-25 2022-06-30 General Electric Technology Gmbh Dichtvorrichtung für drehende Turbinenschaufeln
US20120263580A1 (en) * 2011-04-14 2012-10-18 General Electric Company Flexible seal for turbine engine
US9416673B2 (en) * 2012-01-17 2016-08-16 United Technologies Corporation Hybrid inner air seal for gas turbine engines
JP5823305B2 (ja) * 2012-01-19 2015-11-25 株式会社東芝 蒸気タービンおよび蒸気タービンの動翼
US8936431B2 (en) 2012-06-08 2015-01-20 General Electric Company Shroud for a rotary machine and methods of assembling same
JP5567077B2 (ja) * 2012-08-23 2014-08-06 三菱重工業株式会社 回転機械
US9644483B2 (en) * 2013-03-01 2017-05-09 General Electric Company Turbomachine bucket having flow interrupter and related turbomachine
JP6131177B2 (ja) * 2013-12-03 2017-05-17 三菱重工業株式会社 シール構造、及び回転機械
DE102014203605A1 (de) 2014-02-27 2015-08-27 Rolls-Royce Deutschland Ltd & Co Kg Schaufelreihengruppe
CN104632414A (zh) * 2015-01-30 2015-05-20 北京华清燃气轮机与煤气化联合循环工程技术有限公司 一种燃气轮机用密封结构
US10443417B2 (en) * 2015-09-18 2019-10-15 General Electric Company Ceramic matrix composite ring shroud retention methods-finger seals with stepped shroud interface
US10094244B2 (en) * 2015-09-18 2018-10-09 General Electric Company Ceramic matrix composite ring shroud retention methods-wiggle strip spring seal
DE102016222720A1 (de) * 2016-11-18 2018-05-24 MTU Aero Engines AG Dichtungssystem für eine axiale Strömungsmaschine und axiale Strömungsmaschine
EP4663900A1 (en) * 2024-06-14 2025-12-17 Pratt & Whitney Canada Corp. Shrouded turbine assembly for a gas turbine engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US953674A (en) * 1905-05-02 1910-03-29 Westinghouse Machine Co Elastic-fluid turbine.
US2336323A (en) * 1942-03-12 1943-12-07 Gen Electric Sealing arrangement for elastic fluid turbines and the like
US3501246A (en) * 1967-12-29 1970-03-17 Westinghouse Electric Corp Axial fluid-flow machine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1861960A (en) * 1930-11-28 1932-06-07 Westinghouse Electric & Mfg Co Turbine blading
US3897169A (en) * 1973-04-19 1975-07-29 Gen Electric Leakage control structure
JPS55154304U (enExample) * 1979-04-23 1980-11-07
JPS59175607U (ja) * 1983-05-13 1984-11-24 株式会社日立製作所 軸流流体機械用シ−ルリング
FR2552159B1 (fr) * 1983-09-21 1987-07-10 Snecma Dispositif de liaison et d'etancheite de secteurs d'aubes de stator de turbine
US4643645A (en) * 1984-07-30 1987-02-17 General Electric Company Stage for a steam turbine
JPH0739805B2 (ja) * 1986-04-22 1995-05-01 株式会社東芝 タ−ビンのシ−ル部間隙調整装置
JPH0315605A (ja) * 1989-06-13 1991-01-24 Mitsubishi Heavy Ind Ltd 蒸気タービン
US5133643A (en) 1989-11-22 1992-07-28 Ortolano Ralph J Shroud fitting
US5261785A (en) 1992-08-04 1993-11-16 General Electric Company Rotor blade cover adapted to facilitate moisture removal
JPH1113404A (ja) * 1997-06-25 1999-01-19 Mitsubishi Heavy Ind Ltd 動翼の翼端シール機構
DE19807247C2 (de) * 1998-02-20 2000-04-20 Mtu Muenchen Gmbh Strömungsmaschine mit Rotor und Stator
JP2001123803A (ja) * 1999-10-21 2001-05-08 Toshiba Corp シール装置並びに同装置を備えた蒸気タービン及び発電プラント
US6454534B1 (en) 2000-12-21 2002-09-24 General Electric Company Flush bucket cover
US6652226B2 (en) * 2001-02-09 2003-11-25 General Electric Co. Methods and apparatus for reducing seal teeth wear

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US953674A (en) * 1905-05-02 1910-03-29 Westinghouse Machine Co Elastic-fluid turbine.
US2336323A (en) * 1942-03-12 1943-12-07 Gen Electric Sealing arrangement for elastic fluid turbines and the like
US3501246A (en) * 1967-12-29 1970-03-17 Westinghouse Electric Corp Axial fluid-flow machine

Also Published As

Publication number Publication date
US7059821B2 (en) 2006-06-13
CN1550643A (zh) 2004-12-01
US20040223844A1 (en) 2004-11-11
DE102004022162A1 (de) 2004-11-25
JP2004332736A (ja) 2004-11-25

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071121

Termination date: 20140430