CA2261184C - Cooled stationary blade of a gas turbine - Google Patents

Cooled stationary blade of a gas turbine Download PDF

Info

Publication number
CA2261184C
CA2261184C CA002261184A CA2261184A CA2261184C CA 2261184 C CA2261184 C CA 2261184C CA 002261184 A CA002261184 A CA 002261184A CA 2261184 A CA2261184 A CA 2261184A CA 2261184 C CA2261184 C CA 2261184C
Authority
CA
Canada
Prior art keywords
steam
cooling
stationary blade
passage
inner shroud
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 - Lifetime
Application number
CA002261184A
Other languages
English (en)
French (fr)
Other versions
CA2261184A1 (en
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 Power 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 CA2261184A1 publication Critical patent/CA2261184A1/en
Application granted granted Critical
Publication of CA2261184C publication Critical patent/CA2261184C/en
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)
CA002261184A 1997-05-01 1998-04-28 Cooled stationary blade of a gas turbine Expired - Lifetime CA2261184C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11384597A JP3276305B2 (ja) 1997-05-01 1997-05-01 ガスタービンの冷却静翼
JP9-113845 1997-05-01
PCT/JP1998/001958 WO1998050684A1 (en) 1997-05-01 1998-04-28 Gas turbine cooling stationary blade

Publications (2)

Publication Number Publication Date
CA2261184A1 CA2261184A1 (en) 1998-11-12
CA2261184C true CA2261184C (en) 2002-07-09

Family

ID=14622507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002261184A Expired - Lifetime CA2261184C (en) 1997-05-01 1998-04-28 Cooled stationary blade of a gas turbine

Country Status (5)

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

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 (de) * 2004-03-01 2005-09-07 Alstom Technology Ltd Gekühlte Strömungsmaschinenschaufel und Verfahren zur Kühlung
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

Family Cites Families (7)

* 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
JP3015531B2 (ja) * 1991-09-06 2000-03-06 株式会社東芝 ガスタービン
JP2953842B2 (ja) * 1991-12-16 1999-09-27 東北電力株式会社 タービン静翼
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
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
US5634766A (en) * 1994-08-23 1997-06-03 General Electric Co. Turbine stator vane segments having combined air and steam cooling circuits

Also Published As

Publication number Publication date
JP3276305B2 (ja) 2002-04-22
JPH10306706A (ja) 1998-11-17
EP0911488A4 (de) 2000-11-29
EP0911488B1 (de) 2004-01-28
CA2261184A1 (en) 1998-11-12
WO1998050684A1 (en) 1998-11-12
DE69821312T2 (de) 2005-08-04
DE69821312D1 (de) 2004-03-04
EP0911488A1 (de) 1999-04-28

Similar Documents

Publication Publication Date Title
US6092983A (en) Gas turbine cooling stationary blade
CA2260230C (en) Cooled stationary blade of a gas turbine
CA2261184C (en) Cooled stationary blade of a gas turbine
EP0866214B1 (de) Gekühlte Gasturbinenlaufschaufel
CA2198225C (en) Gas turbine blade with cooled platform
EP0789806B1 (de) Gasturbinenschaufel mit gekühlter schaufelplattform
US6036436A (en) Gas turbine cooling stationary vane
US4940388A (en) Cooling of turbine blades
KR101378252B1 (ko) 터빈 블레이드, 터빈 로터, 및 가스 터빈 에어포일을냉각시키기 위한 방법
CA2233821C (en) Gas turbine cooled moving blade
EP1013880B1 (de) Turbinenschaufel mit gekühlter Plattform
EP1001137B1 (de) Gasturbinenschaufel mit serpentinenförmigen Kühlkanälen
US20100284800A1 (en) Turbine nozzle with sidewall cooling plenum
US20040265118A1 (en) Gas turbine arrangement
CA2231690C (en) Cooled stationary blade for a gas turbine
JPH10252410A (ja) ガスタービンの翼冷却空気供給システム
KR20050078980A (ko) 초소형 회로 플랫폼
JP2004060638A (ja) 静翼の冷却構造及びガスタービン
JP2005163791A (ja) タービンノズルセグメントの側壁を対流冷却するための方法及び装置
US20020037217A1 (en) Cooling circuit for steam and air-cooled turbine nozzle stage
US8317476B1 (en) Turbine blade with tip cooling circuit
EP1094200A1 (de) Gekühlte Gasturbinenrotorschaufel
JP3426952B2 (ja) ガスタービン動翼のプラットフォーム
JP2010190198A (ja) タービン用翼
CA2263516A1 (en) Cooled gas turbine blade

Legal Events

Date Code Title Description
EEER Examination request