EP1849960A3 - Turbinenschaufel mit innerem Kühlkanal - Google Patents

Turbinenschaufel mit innerem Kühlkanal Download PDF

Info

Publication number
EP1849960A3
EP1849960A3 EP07008241A EP07008241A EP1849960A3 EP 1849960 A3 EP1849960 A3 EP 1849960A3 EP 07008241 A EP07008241 A EP 07008241A EP 07008241 A EP07008241 A EP 07008241A EP 1849960 A3 EP1849960 A3 EP 1849960A3
Authority
EP
European Patent Office
Prior art keywords
wall surface
side wall
blade
trailing edge
cooling passage
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.)
Withdrawn
Application number
EP07008241A
Other languages
English (en)
French (fr)
Other versions
EP1849960A2 (de
Inventor
Ryou c/o Hitachi Ltd Intellectual Property Group Akiyama
Yasuhiro c/o Hitachi Ltd Intellectual Property Group Horiuchi
Shinya c/o Hitachi Ltd Intellectual Property Group Marushima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP1849960A2 publication Critical patent/EP1849960A2/de
Publication of EP1849960A3 publication Critical patent/EP1849960A3/de
Withdrawn legal-status Critical Current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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • F05D2260/2212—Improvement of heat transfer by creating turbulence
    • 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)
EP07008241A 2006-04-27 2007-04-23 Turbinenschaufel mit innerem Kühlkanal Withdrawn EP1849960A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006122884A JP2007292006A (ja) 2006-04-27 2006-04-27 内部に冷却通路を有するタービン翼

Publications (2)

Publication Number Publication Date
EP1849960A2 EP1849960A2 (de) 2007-10-31
EP1849960A3 true EP1849960A3 (de) 2010-03-10

Family

ID=38007269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07008241A Withdrawn EP1849960A3 (de) 2006-04-27 2007-04-23 Turbinenschaufel mit innerem Kühlkanal

Country Status (2)

Country Link
EP (1) EP1849960A3 (de)
JP (1) JP2007292006A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107366555B (zh) * 2016-05-12 2022-03-08 通用电气公司 叶片以及涡轮转子叶片

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5436457B2 (ja) 2008-03-07 2014-03-05 アルストム テクノロジー リミテッド ガスタービンのための翼
ES2542064T3 (es) * 2008-03-28 2015-07-30 Alstom Technology Ltd Álabe de guía para una turbina de gas y turbina de gas con un álabe de guía de esta clase
JP5189406B2 (ja) 2008-05-14 2013-04-24 三菱重工業株式会社 ガスタービン翼およびこれを備えたガスタービン
EP2602439A1 (de) * 2011-11-21 2013-06-12 Siemens Aktiengesellschaft Kühlbares Heißgasbauteil für eine Gasturbine
US20140064983A1 (en) * 2012-08-31 2014-03-06 General Electric Company Airfoil and method for manufacturing an airfoil
US20150204237A1 (en) * 2014-01-17 2015-07-23 General Electric Company Turbine blade and method for enhancing life of the turbine blade
US20160333699A1 (en) * 2014-01-30 2016-11-17 United Technologies Corporation Trailing edge cooling pedestal configuration for a gas turbine engine airfoil
US10208604B2 (en) 2016-04-27 2019-02-19 United Technologies Corporation Cooling features with three dimensional chevron geometry
KR102114681B1 (ko) * 2018-09-21 2020-05-25 두산중공업 주식회사 핀-핀 배열을 포함하는 터빈 블레이드
CN110761845A (zh) * 2019-11-18 2020-02-07 南京航空航天大学 一种用于涡轮叶片尾缘的新型扰流柱结构

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278400A (en) * 1978-09-05 1981-07-14 United Technologies Corporation Coolable rotor blade
EP0032646A1 (de) * 1980-01-10 1981-07-29 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Gasturbinenleitschaufel
GB2112467A (en) * 1981-12-28 1983-07-20 United Technologies Corp Coolable airfoil for a rotary machine
JPH05156901A (ja) * 1991-12-02 1993-06-22 Hitachi Ltd ガスタービン冷却静翼
JPH06137102A (ja) * 1992-10-26 1994-05-17 Mitsubishi Heavy Ind Ltd ガスタービン中空動翼
US5538394A (en) * 1993-12-28 1996-07-23 Kabushiki Kaisha Toshiba Cooled turbine blade for a gas turbine
US5772397A (en) * 1996-05-08 1998-06-30 Alliedsignal Inc. Gas turbine airfoil with aft internal cooling
DE19807563A1 (de) * 1997-02-25 1998-09-24 Mitsubishi Heavy Ind Ltd Kühlkonstruktion zum Kühlen einer Montageplatte für Antriebsschaufeln einer Gasturbine
GB2349920A (en) * 1999-05-10 2000-11-15 Abb Alstom Power Ch Ag Cooling arrangement for turbine blade
EP1467065A2 (de) * 2003-04-08 2004-10-13 United Technologies Corporation Turbinenschaufel
EP1538305A2 (de) * 2003-11-19 2005-06-08 United Technologies Corporation Schaufel mit Stegenanordnung von variabler Dichte an der Abströmkante
EP1674661A2 (de) * 2004-12-23 2006-06-28 United Technologies Corporation Kühlluftkanal für eine Turbinenschaufel
EP1715139A2 (de) * 2005-04-22 2006-10-25 United Technologies Corporation Kühlung der Abströmkante einer Turbinenschaufel

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278400A (en) * 1978-09-05 1981-07-14 United Technologies Corporation Coolable rotor blade
EP0032646A1 (de) * 1980-01-10 1981-07-29 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Gasturbinenleitschaufel
GB2112467A (en) * 1981-12-28 1983-07-20 United Technologies Corp Coolable airfoil for a rotary machine
JPH05156901A (ja) * 1991-12-02 1993-06-22 Hitachi Ltd ガスタービン冷却静翼
JPH06137102A (ja) * 1992-10-26 1994-05-17 Mitsubishi Heavy Ind Ltd ガスタービン中空動翼
US5538394A (en) * 1993-12-28 1996-07-23 Kabushiki Kaisha Toshiba Cooled turbine blade for a gas turbine
US5772397A (en) * 1996-05-08 1998-06-30 Alliedsignal Inc. Gas turbine airfoil with aft internal cooling
DE19807563A1 (de) * 1997-02-25 1998-09-24 Mitsubishi Heavy Ind Ltd Kühlkonstruktion zum Kühlen einer Montageplatte für Antriebsschaufeln einer Gasturbine
GB2349920A (en) * 1999-05-10 2000-11-15 Abb Alstom Power Ch Ag Cooling arrangement for turbine blade
EP1467065A2 (de) * 2003-04-08 2004-10-13 United Technologies Corporation Turbinenschaufel
EP1538305A2 (de) * 2003-11-19 2005-06-08 United Technologies Corporation Schaufel mit Stegenanordnung von variabler Dichte an der Abströmkante
EP1674661A2 (de) * 2004-12-23 2006-06-28 United Technologies Corporation Kühlluftkanal für eine Turbinenschaufel
EP1715139A2 (de) * 2005-04-22 2006-10-25 United Technologies Corporation Kühlung der Abströmkante einer Turbinenschaufel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107366555B (zh) * 2016-05-12 2022-03-08 通用电气公司 叶片以及涡轮转子叶片

Also Published As

Publication number Publication date
EP1849960A2 (de) 2007-10-31
JP2007292006A (ja) 2007-11-08

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