JP2004332736A - タービン内部をシールするのを可能にするための方法及び装置 - Google Patents

タービン内部をシールするのを可能にするための方法及び装置 Download PDF

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Publication number
JP2004332736A
JP2004332736A JP2004137238A JP2004137238A JP2004332736A JP 2004332736 A JP2004332736 A JP 2004332736A JP 2004137238 A JP2004137238 A JP 2004137238A JP 2004137238 A JP2004137238 A JP 2004137238A JP 2004332736 A JP2004332736 A JP 2004332736A
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JP
Japan
Prior art keywords
turbine
bucket
spill strip
bucket cover
protrusion
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.)
Pending
Application number
JP2004137238A
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English (en)
Japanese (ja)
Other versions
JP2004332736A5 (enExample
Inventor
Alison Carol Farrell
アリソン・キャロル・ファーレル
Douglas Carl Hofer
ダグラス・カール・ホーファー
Norman Douglas Lathrop
ノーマン・ダグラス・ラスロップ
Raymond Kenneth Overbaugh Jr
レイモンド・ケネス・オーバーボー，ジュニア
Kenneth James Robertson
ケネス・ジェームズ・ロバートソン
Michael Joseph Boss
マイケル・ジョセフ・ボス
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 JP2004332736A publication Critical patent/JP2004332736A/ja
Publication of JP2004332736A5 publication Critical patent/JP2004332736A5/ja
Pending legal-status Critical Current

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    • 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)
JP2004137238A 2003-05-07 2004-05-06 タービン内部をシールするのを可能にするための方法及び装置 Pending JP2004332736A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JP2004332736A true JP2004332736A (ja) 2004-11-25
JP2004332736A5 JP2004332736A5 (enExample) 2007-06-21

Family

ID=33416400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004137238A Pending JP2004332736A (ja) 2003-05-07 2004-05-06 タービン内部をシールするのを可能にするための方法及び装置

Country Status (4)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101550844A (zh) * 2008-03-17 2009-10-07 通用电气公司 涡轮内壳的支承构造和方法
JP2009299497A (ja) * 2008-06-10 2009-12-24 Mitsubishi Heavy Ind Ltd タービンおよびタービン動翼
WO2011070636A1 (ja) * 2009-12-07 2011-06-16 三菱重工業株式会社 タービンおよびタービン動翼
CN106545369A (zh) * 2015-09-18 2017-03-29 通用电气公司 具有阶梯式护罩界面的指状物密封件
CN106545367A (zh) * 2015-09-18 2017-03-29 通用电气公司 陶瓷基质复合物环护罩固持方法‑摆动条弹簧密封件

Families Citing this family (19)

* 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
US8317465B2 (en) * 2009-07-02 2012-11-27 General Electric Company Systems and apparatus relating to turbine engines and seals for turbine engines
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
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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501246A (en) * 1967-12-29 1970-03-17 Westinghouse Electric Corp Axial fluid-flow machine
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
JPS60145403A (ja) * 1983-09-21 1985-07-31 ソシエテ・ナシオナル・デテユ−ド・エ・ドウ・コンストリユクシオン・ドウ・モト−ル・ダヴイアシオン、“エス．エヌ．ウ．セ．エム．ア−．” タービンの静翼の内側環
JPS6138103A (ja) * 1984-07-30 1986-02-24 ゼネラル・エレクトリツク・カンパニイ 蒸気タ−ビン用段
JPH0315605A (ja) * 1989-06-13 1991-01-24 Mitsubishi Heavy Ind Ltd 蒸気タービン
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
JPH1113404A (ja) * 1997-06-25 1999-01-19 Mitsubishi Heavy Ind Ltd 動翼の翼端シール機構
JPH11294103A (ja) * 1998-02-20 1999-10-26 Mtu Motoren & Turbinen Union Muenchen Gmbh ロ―タとステ―タを備えた流体機械
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
JP2002309902A (ja) * 2001-02-09 2002-10-23 General Electric Co <Ge> シール歯の摩耗を減少させる方法、ハニカムシールおよびガスタービンエンジン

Family Cites Families (7)

* 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.
US1861960A (en) * 1930-11-28 1932-06-07 Westinghouse Electric & Mfg Co Turbine blading
US2336323A (en) * 1942-03-12 1943-12-07 Gen Electric Sealing arrangement for elastic fluid turbines and the like
US3897169A (en) * 1973-04-19 1975-07-29 Gen Electric Leakage control structure
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
US6454534B1 (en) 2000-12-21 2002-09-24 General Electric Company Flush bucket cover

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501246A (en) * 1967-12-29 1970-03-17 Westinghouse Electric Corp Axial fluid-flow machine
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
JPS60145403A (ja) * 1983-09-21 1985-07-31 ソシエテ・ナシオナル・デテユ−ド・エ・ドウ・コンストリユクシオン・ドウ・モト−ル・ダヴイアシオン、“エス．エヌ．ウ．セ．エム．ア−．” タービンの静翼の内側環
JPS6138103A (ja) * 1984-07-30 1986-02-24 ゼネラル・エレクトリツク・カンパニイ 蒸気タ−ビン用段
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
JPH1113404A (ja) * 1997-06-25 1999-01-19 Mitsubishi Heavy Ind Ltd 動翼の翼端シール機構
JPH11294103A (ja) * 1998-02-20 1999-10-26 Mtu Motoren & Turbinen Union Muenchen Gmbh ロ―タとステ―タを備えた流体機械
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
JP2002309902A (ja) * 2001-02-09 2002-10-23 General Electric Co <Ge> シール歯の摩耗を減少させる方法、ハニカムシールおよびガスタービンエンジン

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101550844A (zh) * 2008-03-17 2009-10-07 通用电气公司 涡轮内壳的支承构造和方法
CN101550844B (zh) * 2008-03-17 2014-01-29 通用电气公司 涡轮内壳的支承构造和方法
JP2009299497A (ja) * 2008-06-10 2009-12-24 Mitsubishi Heavy Ind Ltd タービンおよびタービン動翼
WO2011070636A1 (ja) * 2009-12-07 2011-06-16 三菱重工業株式会社 タービンおよびタービン動翼
US8920126B2 (en) 2009-12-07 2014-12-30 Mitsubishi Heavy Industries, Ltd. Turbine and turbine rotor blade
CN106545369A (zh) * 2015-09-18 2017-03-29 通用电气公司 具有阶梯式护罩界面的指状物密封件
CN106545367A (zh) * 2015-09-18 2017-03-29 通用电气公司 陶瓷基质复合物环护罩固持方法‑摆动条弹簧密封件
US10094244B2 (en) 2015-09-18 2018-10-09 General Electric Company Ceramic matrix composite ring shroud retention methods-wiggle strip spring seal
US10443417B2 (en) 2015-09-18 2019-10-15 General Electric Company Ceramic matrix composite ring shroud retention methods-finger seals with stepped shroud interface

Also Published As

Publication number Publication date
US7059821B2 (en) 2006-06-13
CN100350134C (zh) 2007-11-21
CN1550643A (zh) 2004-12-01
US20040223844A1 (en) 2004-11-11
DE102004022162A1 (de) 2004-11-25

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