JP4731156B2 - タービンシュラウドの非対称冷却要素 - Google Patents

タービンシュラウドの非対称冷却要素 Download PDF

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Publication number
JP4731156B2
JP4731156B2 JP2004337529A JP2004337529A JP4731156B2 JP 4731156 B2 JP4731156 B2 JP 4731156B2 JP 2004337529 A JP2004337529 A JP 2004337529A JP 2004337529 A JP2004337529 A JP 2004337529A JP 4731156 B2 JP4731156 B2 JP 4731156B2
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JP
Japan
Prior art keywords
cooling
opening
shroud
symmetrical
impingement
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
JP2004337529A
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English (en)
Japanese (ja)
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JP2005155626A5 (enExample
JP2005155626A (ja
Inventor
セドリック・カールトン・ロー
アンドリュー・チャールズ・ポウィス
ジョナサン・フィリップ・クラーク
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General Electric Co
Original Assignee
General Electric Co
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Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2005155626A publication Critical patent/JP2005155626A/ja
Publication of JP2005155626A5 publication Critical patent/JP2005155626A5/ja
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Publication of JP4731156B2 publication Critical patent/JP4731156B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08Cooling; Heating; Heat-insulation
    • F01D25/12Cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00Stators
    • F01D9/02Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00Components
    • F05D2240/80Platforms for stationary or moving blades
    • F05D2240/81Cooled platforms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/201Heat transfer, e.g. cooling by impingement of a fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/202Heat transfer, e.g. cooling by film cooling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00Heat exchange
    • Y10S165/908Fluid jets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2004337529A 2003-11-24 2004-11-22 タービンシュラウドの非対称冷却要素 Expired - Fee Related JP4731156B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/720,430 2003-11-24
US10/720,430 US7147432B2 (en) 2003-11-24 2003-11-24 Turbine shroud asymmetrical cooling elements

Publications (3)

Publication Number Publication Date
JP2005155626A JP2005155626A (ja) 2005-06-16
JP2005155626A5 JP2005155626A5 (enExample) 2010-10-07
JP4731156B2 true JP4731156B2 (ja) 2011-07-20

Family

ID=34435822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004337529A Expired - Fee Related JP4731156B2 (ja) 2003-11-24 2004-11-22 タービンシュラウドの非対称冷却要素

Country Status (4)

Country Link
US (1) US7147432B2 (enExample)
EP (1) EP1533478A3 (enExample)
JP (1) JP4731156B2 (enExample)
CN (1) CN100507234C (enExample)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7296966B2 (en) * 2004-12-20 2007-11-20 General Electric Company Methods and apparatus for assembling gas turbine engines
US7438520B2 (en) * 2005-08-06 2008-10-21 General Electric Company Thermally compliant turbine shroud mounting assembly
US7296967B2 (en) * 2005-09-13 2007-11-20 General Electric Company Counterflow film cooled wall
FR2891862B1 (fr) * 2005-10-12 2011-02-25 Snecma Plaque perforee a disposer dans une cavite de refroidissement d'anneau de turbine
US7607885B2 (en) * 2006-07-31 2009-10-27 General Electric Company Methods and apparatus for operating gas turbine engines
FR2907841B1 (fr) * 2006-10-30 2011-04-15 Snecma Secteur d'anneau de turbine de turbomachine
US7740442B2 (en) * 2006-11-30 2010-06-22 General Electric Company Methods and system for cooling integral turbine nozzle and shroud assemblies
US7722315B2 (en) * 2006-11-30 2010-05-25 General Electric Company Method and system to facilitate preferentially distributed recuperated film cooling of turbine shroud assembly
US7611324B2 (en) * 2006-11-30 2009-11-03 General Electric Company Method and system to facilitate enhanced local cooling of turbine engines
US7665953B2 (en) * 2006-11-30 2010-02-23 General Electric Company Methods and system for recuperated cooling of integral turbine nozzle and shroud assemblies
GB2444501B (en) * 2006-12-06 2009-01-28 Siemens Ag A gas turbine
US7836703B2 (en) * 2007-06-20 2010-11-23 General Electric Company Reciprocal cooled turbine nozzle
US8393855B2 (en) * 2007-06-29 2013-03-12 General Electric Company Flange with axially curved impingement surface for gas turbine engine clearance control
US8197186B2 (en) * 2007-06-29 2012-06-12 General Electric Company Flange with axially extending holes for gas turbine engine clearance control
US20090053045A1 (en) * 2007-08-22 2009-02-26 General Electric Company Turbine Shroud for Gas Turbine Assemblies and Processes for Forming the Shroud
US8104292B2 (en) * 2007-12-17 2012-01-31 General Electric Company Duplex turbine shroud
US8281604B2 (en) * 2007-12-17 2012-10-09 General Electric Company Divergent turbine nozzle
US8205458B2 (en) * 2007-12-31 2012-06-26 General Electric Company Duplex turbine nozzle
US8439639B2 (en) * 2008-02-24 2013-05-14 United Technologies Corporation Filter system for blade outer air seal
US8147192B2 (en) * 2008-09-19 2012-04-03 General Electric Company Dual stage turbine shroud
DE102008052409A1 (de) * 2008-10-21 2010-04-22 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung
CN102272419A (zh) * 2009-03-09 2011-12-07 斯奈克玛 涡轮环组件
US8677763B2 (en) * 2009-03-10 2014-03-25 General Electric Company Method and apparatus for gas turbine engine temperature management
FR2957093B1 (fr) 2010-03-02 2012-03-23 Snecma Preforme fibreuse pour un secteur d'anneau de turbine et son procede de fabrication.
US8371800B2 (en) * 2010-03-03 2013-02-12 General Electric Company Cooling gas turbine components with seal slot channels
US10337404B2 (en) * 2010-03-08 2019-07-02 General Electric Company Preferential cooling of gas turbine nozzles
US8550778B2 (en) * 2010-04-20 2013-10-08 Mitsubishi Heavy Industries, Ltd. Cooling system of ring segment and gas turbine
JP5683573B2 (ja) * 2010-04-20 2015-03-11 三菱重工業株式会社 分割環冷却構造およびガスタービン
GB201014802D0 (en) * 2010-09-07 2010-10-20 Rolls Royce Plc Turbine stage shroud segment
US9458855B2 (en) * 2010-12-30 2016-10-04 Rolls-Royce North American Technologies Inc. Compressor tip clearance control and gas turbine engine
US8887508B2 (en) * 2011-03-15 2014-11-18 General Electric Company Impingement sleeve and methods for designing and forming impingement sleeve
US8826668B2 (en) * 2011-08-02 2014-09-09 Siemens Energy, Inc. Two stage serial impingement cooling for isogrid structures
US9726043B2 (en) 2011-12-15 2017-08-08 General Electric Company Mounting apparatus for low-ductility turbine shroud
US9039350B2 (en) * 2012-01-09 2015-05-26 General Electric Company Impingement cooling system for use with contoured surfaces
US9403600B2 (en) 2012-05-01 2016-08-02 Lockheed Martin Corporation Integrated thermal protection and leakage reduction in a supersonic air intake system
US20130340966A1 (en) 2012-06-21 2013-12-26 United Technologies Corporation Blade outer air seal hybrid casting core
EP2716787A1 (en) 2012-10-05 2014-04-09 Siemens Aktiengesellschaft Method for manufacturing a turbine assembly
US9422824B2 (en) * 2012-10-18 2016-08-23 General Electric Company Gas turbine thermal control and related method
JP5518235B2 (ja) * 2013-05-10 2014-06-11 三菱重工業株式会社 分割環冷却構造およびガスタービン
GB201308603D0 (en) * 2013-05-14 2013-06-19 Rolls Royce Plc A Shroud Arrangement for a Gas Turbine Engine
JP6114878B2 (ja) 2013-05-17 2017-04-12 ゼネラル・エレクトリック・カンパニイ Cmcシュラウド支持システム
GB201311333D0 (en) 2013-06-26 2013-08-14 Rolls Royce Plc Component for use in releasing a flow of material into an environment subject to periodic fluctuations in pressure
JP6529013B2 (ja) 2013-12-12 2019-06-12 ゼネラル・エレクトリック・カンパニイ Cmcシュラウド支持システム
US9657642B2 (en) * 2014-03-27 2017-05-23 Honeywell International Inc. Turbine sections of gas turbine engines with dual use of cooling air
JP6466647B2 (ja) * 2014-03-27 2019-02-06 三菱日立パワーシステムズ株式会社 ガスタービンの分割環の冷却構造及びこれを有するガスタービン
CA2951431C (en) 2014-06-12 2019-03-26 General Electric Company Multi-piece shroud hanger assembly
US11668207B2 (en) 2014-06-12 2023-06-06 General Electric Company Shroud hanger assembly
US10400619B2 (en) 2014-06-12 2019-09-03 General Electric Company Shroud hanger assembly
JP5676040B1 (ja) * 2014-06-30 2015-02-25 三菱日立パワーシステムズ株式会社 静翼、これを備えているガスタービン、静翼の製造方法、及び静翼の改造方法
FR3024884B1 (fr) * 2014-08-14 2019-07-05 Safran Aircraft Engines Procede de realisation d'un anneau sectorise d'etancheite et d'une turbine de turbomachine
US9963996B2 (en) 2014-08-22 2018-05-08 Siemens Aktiengesellschaft Shroud cooling system for shrouds adjacent to airfoils within gas turbine engines
GB201417150D0 (en) 2014-09-29 2014-11-12 Rolls Royce Plc Carriers for turbine components
US10100659B2 (en) * 2014-12-16 2018-10-16 Rolls-Royce North American Technologies Inc. Hanger system for a turbine engine component
US10018068B2 (en) * 2015-01-13 2018-07-10 United Technologies Corporation Blade outer air seal with cooling holes
US9874104B2 (en) 2015-02-27 2018-01-23 General Electric Company Method and system for a ceramic matrix composite shroud hanger assembly
WO2016152573A1 (ja) 2015-03-26 2016-09-29 三菱日立パワーシステムズ株式会社 翼、及びこれを備えているガスタービン
US20170198602A1 (en) * 2016-01-11 2017-07-13 General Electric Company Gas turbine engine with a cooled nozzle segment
RU2706210C2 (ru) 2016-01-25 2019-11-14 Ансалдо Энерджиа Свитзерлэнд Аг Тепловой экран статора для газовой турбины, газовая турбина с таким тепловым экраном статора и способ охлаждения теплового экрана статора
EP3232002A1 (en) * 2016-04-11 2017-10-18 Rolls-Royce Corporation Impingement plate with stress relief feature
CN106246238A (zh) * 2016-07-25 2016-12-21 西北工业大学 一种台阶型收缩气膜孔结构
GB2559739A (en) * 2017-02-15 2018-08-22 Rolls Royce Plc Stator vane section
US10900378B2 (en) 2017-06-16 2021-01-26 Honeywell International Inc. Turbine tip shroud assembly with plural shroud segments having internal cooling passages
US10677084B2 (en) * 2017-06-16 2020-06-09 Honeywell International Inc. Turbine tip shroud assembly with plural shroud segments having inter-segment seal arrangement
FR3072711B1 (fr) * 2017-10-19 2021-07-16 Safran Aircraft Engines Element de repartition d'un fluide de refroidissement et ensemble d'anneau de turbine associe
US10619504B2 (en) 2017-10-31 2020-04-14 United Technologies Corporation Gas turbine engine blade outer air seal cooling hole configuration
US10533454B2 (en) 2017-12-13 2020-01-14 Pratt & Whitney Canada Corp. Turbine shroud cooling
US10502093B2 (en) * 2017-12-13 2019-12-10 Pratt & Whitney Canada Corp. Turbine shroud cooling
US10570773B2 (en) 2017-12-13 2020-02-25 Pratt & Whitney Canada Corp. Turbine shroud cooling
US10738637B2 (en) 2017-12-22 2020-08-11 Raytheon Technologies Corporation Airflow deflector and assembly
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
US10941709B2 (en) * 2018-09-28 2021-03-09 Pratt & Whitney Canada Corp. Gas turbine engine and cooling air configuration for turbine section thereof
JP6508499B1 (ja) * 2018-10-18 2019-05-08 三菱日立パワーシステムズ株式会社 ガスタービン静翼、これを備えているガスタービン、及びガスタービン静翼の製造方法
US10830050B2 (en) * 2019-01-31 2020-11-10 General Electric Company Unitary body turbine shrouds including structural breakdown and collapsible features
US10927694B2 (en) * 2019-03-13 2021-02-23 Raytheon Technologies Corporation BOAS carrier with cooling supply
US11047250B2 (en) * 2019-04-05 2021-06-29 Raytheon Technologies Corporation CMC BOAS transverse hook arrangement
FR3096395B1 (fr) * 2019-05-21 2021-04-23 Safran Aircraft Engines Turbine pour une turbomachine, telle qu’un turboréacteur ou un turbopropulseur d’avion
US20210246829A1 (en) * 2020-02-10 2021-08-12 General Electric Company Hot gas path components including aft end exhaust conduits and aft end flanges
US11525401B2 (en) 2021-01-11 2022-12-13 Honeywell International Inc. Impingement baffle for gas turbine engine
KR102510535B1 (ko) * 2021-02-23 2023-03-15 두산에너빌리티 주식회사 링 세그먼트 및 이를 포함하는 터보머신

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693667A (en) * 1980-04-29 1987-09-15 Teledyne Industries, Inc. Turbine inlet nozzle with cooling means
US5167487A (en) * 1991-03-11 1992-12-01 General Electric Company Cooled shroud support
US5241827A (en) * 1991-05-03 1993-09-07 General Electric Company Multi-hole film cooled combuster linear with differential cooling
US5169287A (en) * 1991-05-20 1992-12-08 General Electric Company Shroud cooling assembly for gas turbine engine
US5165847A (en) * 1991-05-20 1992-11-24 General Electric Company Tapered enlargement metering inlet channel for a shroud cooling assembly of gas turbine engines
JPH06173706A (ja) * 1992-12-08 1994-06-21 Ishikawajima Harima Heavy Ind Co Ltd ガスタービンエンジンのシュラウドハウジング構造
US5759012A (en) * 1996-12-13 1998-06-02 Caterpillar Inc. Turbine disc ingress prevention method and apparatus
US6205789B1 (en) * 1998-11-13 2001-03-27 General Electric Company Multi-hole film cooled combuster liner
US6155778A (en) * 1998-12-30 2000-12-05 General Electric Company Recessed turbine shroud
US6196792B1 (en) * 1999-01-29 2001-03-06 General Electric Company Preferentially cooled turbine shroud
US6354795B1 (en) * 2000-07-27 2002-03-12 General Electric Company Shroud cooling segment and assembly
FR2832178B1 (fr) * 2001-11-15 2004-07-09 Snecma Moteurs Dispositif de refroidissement pour anneaux de turbine a gaz

Also Published As

Publication number Publication date
EP1533478A2 (en) 2005-05-25
JP2005155626A (ja) 2005-06-16
US20050111965A1 (en) 2005-05-26
US7147432B2 (en) 2006-12-12
CN1644891A (zh) 2005-07-27
EP1533478A3 (en) 2012-11-07
CN100507234C (zh) 2009-07-01

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