DE69504400D1 - Gekühlte Gasturbinenschaufel - Google Patents

Gekühlte Gasturbinenschaufel

Info

Publication number
DE69504400D1
DE69504400D1 DE69504400T DE69504400T DE69504400D1 DE 69504400 D1 DE69504400 D1 DE 69504400D1 DE 69504400 T DE69504400 T DE 69504400T DE 69504400 T DE69504400 T DE 69504400T DE 69504400 D1 DE69504400 D1 DE 69504400D1
Authority
DE
Germany
Prior art keywords
gas turbine
turbine blade
cooled gas
cooled
blade
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
DE69504400T
Other languages
English (en)
Other versions
DE69504400T2 (de
Inventor
Masao Terazaki
Keizo Tsukagoshi
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of DE69504400D1 publication Critical patent/DE69504400D1/de
Publication of DE69504400T2 publication Critical patent/DE69504400T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • 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
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/186—Film cooling
    • 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
    • F05D2240/10—Stators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69504400T 1994-04-14 1995-04-11 Gekühlte Gasturbinenschaufel Expired - Fee Related DE69504400T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6075729A JPH07279612A (ja) 1994-04-14 1994-04-14 重質油焚き用ガスタービン冷却翼

Publications (2)

Publication Number Publication Date
DE69504400D1 true DE69504400D1 (de) 1998-10-08
DE69504400T2 DE69504400T2 (de) 1999-05-27

Family

ID=13584660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69504400T Expired - Fee Related DE69504400T2 (de) 1994-04-14 1995-04-11 Gekühlte Gasturbinenschaufel

Country Status (4)

Country Link
US (1) US5577889A (de)
EP (1) EP0677644B1 (de)
JP (1) JPH07279612A (de)
DE (1) DE69504400T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092982A (en) * 1996-05-28 2000-07-25 Kabushiki Kaisha Toshiba Cooling system for a main body used in a gas stream
EP0934455B1 (de) * 1996-10-28 2005-04-06 Siemens Westinghouse Power Corporation Turbomaschinenschaufel
US5779437A (en) * 1996-10-31 1998-07-14 Pratt & Whitney Canada Inc. Cooling passages for airfoil leading edge
US6383602B1 (en) 1996-12-23 2002-05-07 General Electric Company Method for improving the cooling effectiveness of a gaseous coolant stream which flows through a substrate, and related articles of manufacture
EP0851098A3 (de) * 1996-12-23 2000-09-13 General Electric Company Methode um die Kühlwirkung von Filmkühlungsbohrungen zu verbessern
JP3615907B2 (ja) 1997-06-12 2005-02-02 三菱重工業株式会社 ガスタービン冷却翼
DE59808819D1 (de) * 1998-05-20 2003-07-31 Alstom Switzerland Ltd Gestaffelte Anordnung von Filmkühlungsbohrungen
GB2350867B (en) * 1999-06-09 2003-03-19 Rolls Royce Plc Gas turbine airfoil internal air system
JP3794868B2 (ja) * 1999-06-15 2006-07-12 三菱重工業株式会社 ガスタービン静翼
US6283708B1 (en) * 1999-12-03 2001-09-04 United Technologies Corporation Coolable vane or blade for a turbomachine
DE10009655C1 (de) * 2000-02-29 2001-05-23 Mtu Aero Engines Gmbh Kühlluftsystem
US6838046B2 (en) * 2001-05-14 2005-01-04 Honeywell International Inc. Sintering process and tools for use in metal injection molding of large parts
US7351036B2 (en) * 2005-12-02 2008-04-01 Siemens Power Generation, Inc. Turbine airfoil cooling system with elbowed, diffusion film cooling hole
US8152468B2 (en) * 2009-03-13 2012-04-10 United Technologies Corporation Divoted airfoil baffle having aimed cooling holes
US8052378B2 (en) * 2009-03-18 2011-11-08 General Electric Company Film-cooling augmentation device and turbine airfoil incorporating the same
US20100239409A1 (en) * 2009-03-18 2010-09-23 General Electric Company Method of Using and Reconstructing a Film-Cooling Augmentation Device for a Turbine Airfoil
US9138804B2 (en) * 2012-01-11 2015-09-22 United Technologies Corporation Core for a casting process
JP2015520322A (ja) 2012-06-13 2015-07-16 ゼネラル・エレクトリック・カンパニイ ガスタービンエンジンの壁
US9708915B2 (en) 2014-01-30 2017-07-18 General Electric Company Hot gas components with compound angled cooling features and methods of manufacture
US10012106B2 (en) * 2014-04-03 2018-07-03 United Technologies Corporation Enclosed baffle for a turbine engine component
US10125614B2 (en) 2014-04-17 2018-11-13 United Technologies Corporation Cooling hole arrangement for engine component
US20160153282A1 (en) * 2014-07-11 2016-06-02 United Technologies Corporation Stress Reduction For Film Cooled Gas Turbine Engine Component
EP3023696B1 (de) * 2014-11-20 2019-08-28 Ansaldo Energia Switzerland AG Nockenlanze für eine Gasturbinenbrennkammer
US10024169B2 (en) 2015-02-27 2018-07-17 General Electric Company Engine component
US10132166B2 (en) 2015-02-27 2018-11-20 General Electric Company Engine component
JP7232035B2 (ja) * 2018-12-18 2023-03-02 三菱重工業株式会社 ガスタービンの静翼及びガスタービン
CN112922677A (zh) * 2021-05-11 2021-06-08 成都中科翼能科技有限公司 一种用于涡轮叶片前缘冷却的组合结构气膜孔
CN113236372B (zh) * 2021-06-07 2022-06-10 南京航空航天大学 带有射流振荡器的燃气轮机涡轮导叶叶片及工作方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1605460A (de) * 1966-11-24 1976-05-14
US4153386A (en) * 1974-12-11 1979-05-08 United Technologies Corporation Air cooled turbine vanes
JPS55114899A (en) * 1979-02-28 1980-09-04 Hitachi Ltd Device for preventing solid substances from sticking on blade surface for turbo device
JPS61142399A (ja) * 1984-12-14 1986-06-30 Hitachi Ltd 静翼へのダスト付着防止方法
JPS61241405A (ja) * 1985-04-17 1986-10-27 Hitachi Ltd ノズル翼冷却孔異物侵入防止方法
US4916906A (en) * 1988-03-25 1990-04-17 General Electric Company Breach-cooled structure
GB8830152D0 (en) * 1988-12-23 1989-09-20 Rolls Royce Plc Cooled turbomachinery components
US5326224A (en) * 1991-03-01 1994-07-05 General Electric Company Cooling hole arrangements in jet engine components exposed to hot gas flow
GB2262314A (en) * 1991-12-10 1993-06-16 Rolls Royce Plc Air cooled gas turbine engine aerofoil.
JPH062700A (ja) * 1992-06-17 1994-01-11 Hitachi Ltd ターボ機械の翼面上付着物除去装置
GB9305010D0 (en) * 1993-03-11 1993-04-28 Rolls Royce Plc A cooled turbine nozzle assembly and a method of calculating the diameters of cooling holes for use in such an assembly

Also Published As

Publication number Publication date
US5577889A (en) 1996-11-26
DE69504400T2 (de) 1999-05-27
JPH07279612A (ja) 1995-10-27
EP0677644A1 (de) 1995-10-18
EP0677644B1 (de) 1998-09-02

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Legal Events

Date Code Title Description
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee