EP0911488A4 - Pale fixe de refroidissement de turbine a gaz - Google Patents

Pale fixe de refroidissement de turbine a gaz

Info

Publication number
EP0911488A4
EP0911488A4 EP98917726A EP98917726A EP0911488A4 EP 0911488 A4 EP0911488 A4 EP 0911488A4 EP 98917726 A EP98917726 A EP 98917726A EP 98917726 A EP98917726 A EP 98917726A EP 0911488 A4 EP0911488 A4 EP 0911488A4
Authority
EP
European Patent Office
Prior art keywords
gas turbine
stationary blade
turbine cooling
cooling stationary
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.)
Granted
Application number
EP98917726A
Other languages
German (de)
English (en)
Other versions
EP0911488B1 (fr
EP0911488A1 (fr
Inventor
Yasuoki Tomita
Sunao Aoki
Kiyoshi Suenaga
Tatsuo Ishiguro
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
Publication of EP0911488A1 publication Critical patent/EP0911488A1/fr
Publication of EP0911488A4 publication Critical patent/EP0911488A4/fr
Application granted granted Critical
Publication of EP0911488B1 publication Critical patent/EP0911488B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • 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
    • 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
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP98917726A 1997-05-01 1998-04-28 Aube de guidage refroidie pour turbines à gaz Expired - Lifetime EP0911488B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP113845/97 1997-05-01
JP11384597A JP3276305B2 (ja) 1997-05-01 1997-05-01 ガスタービンの冷却静翼
JP11384597 1997-05-01
PCT/JP1998/001958 WO1998050684A1 (fr) 1997-05-01 1998-04-28 Pale fixe de refroidissement de turbine a gaz

Publications (3)

Publication Number Publication Date
EP0911488A1 EP0911488A1 (fr) 1999-04-28
EP0911488A4 true EP0911488A4 (fr) 2000-11-29
EP0911488B1 EP0911488B1 (fr) 2004-01-28

Family

ID=14622507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98917726A Expired - Lifetime EP0911488B1 (fr) 1997-05-01 1998-04-28 Aube de guidage refroidie pour turbines à gaz

Country Status (5)

Country Link
EP (1) EP0911488B1 (fr)
JP (1) JP3276305B2 (fr)
CA (1) CA2261184C (fr)
DE (1) DE69821312T2 (fr)
WO (1) WO1998050684A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4508482B2 (ja) * 2001-07-11 2010-07-21 三菱重工業株式会社 ガスタービン静翼
EP1571296A1 (fr) * 2004-03-01 2005-09-07 Alstom Technology Ltd Aube refroidie de turbomachine et procédé de refroidissement
US7147439B2 (en) * 2004-09-15 2006-12-12 General Electric Company Apparatus and methods for cooling turbine bucket platforms
US7309212B2 (en) * 2005-11-21 2007-12-18 General Electric Company Gas turbine bucket with cooled platform leading edge and method of cooling platform leading edge
JP4931157B2 (ja) 2006-02-14 2012-05-16 株式会社Ｉｈｉ 冷却構造
JP4979983B2 (ja) * 2006-05-29 2012-07-18 三井造船株式会社 炉頂圧回収タービン翼部へのダスト付着防止装置
JP4801618B2 (ja) * 2007-03-30 2011-10-26 三菱重工業株式会社 ガスタービンの静翼およびこれを備えたガスタービン
US8814517B2 (en) * 2010-09-30 2014-08-26 General Electric Company Apparatus and methods for cooling platform regions of turbine rotor blades
US8840369B2 (en) * 2010-09-30 2014-09-23 General Electric Company Apparatus and methods for cooling platform regions of turbine rotor blades
US8777568B2 (en) * 2010-09-30 2014-07-15 General Electric Company Apparatus and methods for cooling platform regions of turbine rotor blades
US8684664B2 (en) * 2010-09-30 2014-04-01 General Electric Company Apparatus and methods for cooling platform regions of turbine rotor blades
US8858160B2 (en) * 2011-11-04 2014-10-14 General Electric Company Bucket assembly for turbine system
US8905714B2 (en) * 2011-12-30 2014-12-09 General Electric Company Turbine rotor blade platform cooling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04311604A (ja) * 1991-04-11 1992-11-04 Toshiba Corp タービン静翼
JPH0565802A (ja) * 1991-09-06 1993-03-19 Toshiba Corp ガスタービン
JPH0693801A (ja) * 1992-09-17 1994-04-05 Hitachi Ltd ガスタービン翼
US5320483A (en) * 1992-12-30 1994-06-14 General Electric Company Steam and air cooling for stator stage of a turbine
EP0698723A2 (fr) * 1994-08-23 1996-02-28 General Electric Company Circuit de refroidissement fermé pour aube distributeur de turbine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2953842B2 (ja) * 1991-12-16 1999-09-27 東北電力株式会社 タービン静翼
JP3188105B2 (ja) * 1994-07-11 2001-07-16 三菱重工業株式会社 ガスタービンの動翼

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04311604A (ja) * 1991-04-11 1992-11-04 Toshiba Corp タービン静翼
JPH0565802A (ja) * 1991-09-06 1993-03-19 Toshiba Corp ガスタービン
JPH0693801A (ja) * 1992-09-17 1994-04-05 Hitachi Ltd ガスタービン翼
US5320483A (en) * 1992-12-30 1994-06-14 General Electric Company Steam and air cooling for stator stage of a turbine
EP0698723A2 (fr) * 1994-08-23 1996-02-28 General Electric Company Circuit de refroidissement fermé pour aube distributeur de turbine

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 133 (M - 1383) 19 March 1993 (1993-03-19) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 379 (M - 1447) 16 July 1993 (1993-07-16) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 360 (M - 1634) 7 July 1994 (1994-07-07) *
See also references of WO9850684A1 *

Also Published As

Publication number Publication date
JP3276305B2 (ja) 2002-04-22
JPH10306706A (ja) 1998-11-17
EP0911488B1 (fr) 2004-01-28
CA2261184A1 (fr) 1998-11-12
WO1998050684A1 (fr) 1998-11-12
CA2261184C (fr) 2002-07-09
DE69821312T2 (de) 2005-08-04
DE69821312D1 (de) 2004-03-04
EP0911488A1 (fr) 1999-04-28

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