DE3166389D1 - Cooled turbine blades - Google Patents

Cooled turbine blades

Info

Publication number
DE3166389D1
DE3166389D1 DE8181400179T DE3166389T DE3166389D1 DE 3166389 D1 DE3166389 D1 DE 3166389D1 DE 8181400179 T DE8181400179 T DE 8181400179T DE 3166389 T DE3166389 T DE 3166389T DE 3166389 D1 DE3166389 D1 DE 3166389D1
Authority
DE
Germany
Prior art keywords
turbine blades
cooled turbine
cooled
blades
turbine
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
Application number
DE8181400179T
Other languages
German (de)
English (en)
Inventor
Michel Leonard Cuvillier
Thierry Marie Charle Schindler
Jacques Philippe Henri Tirole
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of DE3166389D1 publication Critical patent/DE3166389D1/de
Expired 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
    • 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
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/126—Baffles or ribs
    • 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
DE8181400179T 1980-02-19 1981-02-05 Cooled turbine blades Expired DE3166389D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8003552A FR2476207A1 (fr) 1980-02-19 1980-02-19 Perfectionnement aux aubes de turbines refroidies

Publications (1)

Publication Number Publication Date
DE3166389D1 true DE3166389D1 (en) 1984-11-08

Family

ID=9238706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181400179T Expired DE3166389D1 (en) 1980-02-19 1981-02-05 Cooled turbine blades

Country Status (4)

Country Link
EP (1) EP0034961B1 (fr)
JP (1) JPS56159507A (fr)
DE (1) DE3166389D1 (fr)
FR (1) FR2476207A1 (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
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US4474532A (en) * 1981-12-28 1984-10-02 United Technologies Corporation Coolable airfoil for a rotary machine
US4515526A (en) * 1981-12-28 1985-05-07 United Technologies Corporation Coolable airfoil for a rotary machine
JPS5997205U (ja) * 1982-12-21 1984-07-02 株式会社東芝 ガスタ−ビンの翼
US4515523A (en) * 1983-10-28 1985-05-07 Westinghouse Electric Corp. Cooling arrangement for airfoil stator vane trailing edge
GB2152150A (en) * 1983-12-27 1985-07-31 Gen Electric Anti-icing inlet guide vane
US4650394A (en) * 1984-11-13 1987-03-17 United Technologies Corporation Coolable seal assembly for a gas turbine engine
JPS62271902A (ja) * 1986-01-20 1987-11-26 Hitachi Ltd ガスタ−ビン冷却翼
US4820122A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
US4820123A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
US4962640A (en) * 1989-02-06 1990-10-16 Westinghouse Electric Corp. Apparatus and method for cooling a gas turbine vane
FR2798423B1 (fr) * 1990-01-24 2002-10-11 United Technologies Corp Commande de jeu pour turbine de moteur a turbine a gaz
FR2798421B1 (fr) * 1990-01-24 2002-10-11 United Technologies Corp Pales refroidies pour moteurs a turbine a gaz
US5488825A (en) * 1994-10-31 1996-02-06 Westinghouse Electric Corporation Gas turbine vane with enhanced cooling
US5645397A (en) * 1995-10-10 1997-07-08 United Technologies Corporation Turbine vane assembly with multiple passage cooled vanes
FR2743391B1 (fr) 1996-01-04 1998-02-06 Snecma Aube refrigeree de distributeur de turbine
US5772397A (en) * 1996-05-08 1998-06-30 Alliedsignal Inc. Gas turbine airfoil with aft internal cooling
US5601399A (en) * 1996-05-08 1997-02-11 Alliedsignal Inc. Internally cooled gas turbine vane
US5842829A (en) * 1996-09-26 1998-12-01 General Electric Co. Cooling circuits for trailing edge cavities in airfoils
GB2345942B (en) 1998-12-24 2002-08-07 Rolls Royce Plc Gas turbine engine internal air system
US6257831B1 (en) * 1999-10-22 2001-07-10 Pratt & Whitney Canada Corp. Cast airfoil structure with openings which do not require plugging
US6406260B1 (en) 1999-10-22 2002-06-18 Pratt & Whitney Canada Corp. Heat transfer promotion structure for internally convectively cooled airfoils
EP1167689A1 (fr) * 2000-06-21 2002-01-02 Siemens Aktiengesellschaft Configuration d'une aube de turbine refroidissable
US6609891B2 (en) * 2001-08-30 2003-08-26 General Electric Company Turbine airfoil for gas turbine engine
US6602047B1 (en) * 2002-02-28 2003-08-05 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6942449B2 (en) 2003-01-13 2005-09-13 United Technologies Corporation Trailing edge cooling
GB2405451B (en) * 2003-08-23 2008-03-19 Rolls Royce Plc Vane apparatus for a gas turbine engine
US7021893B2 (en) * 2004-01-09 2006-04-04 United Technologies Corporation Fanned trailing edge teardrop array
US7001151B2 (en) * 2004-03-02 2006-02-21 General Electric Company Gas turbine bucket tip cap
US7165940B2 (en) * 2004-06-10 2007-01-23 General Electric Company Method and apparatus for cooling gas turbine rotor blades
US7520723B2 (en) 2006-07-07 2009-04-21 Siemens Energy, Inc. Turbine airfoil cooling system with near wall vortex cooling chambers
GB2441148A (en) * 2006-08-23 2008-02-27 Rolls Royce Plc Gas turbine engine component with coolant passages
US7607891B2 (en) * 2006-10-23 2009-10-27 United Technologies Corporation Turbine component with tip flagged pedestal cooling
US7934906B2 (en) 2007-11-14 2011-05-03 Siemens Energy, Inc. Turbine blade tip cooling system
FR2924155B1 (fr) 2007-11-26 2014-02-14 Snecma Aube de turbomachine
FR2924156B1 (fr) * 2007-11-26 2014-02-14 Snecma Aube de turbomachine
FR2928405B1 (fr) * 2008-03-05 2011-01-21 Snecma Refroidissement de l'extremite d'une aube.
FR2954798B1 (fr) * 2009-12-31 2012-03-30 Snecma Aube a ventilation interieure
US20130052036A1 (en) * 2011-08-30 2013-02-28 General Electric Company Pin-fin array
US8790084B2 (en) * 2011-10-31 2014-07-29 General Electric Company Airfoil and method of fabricating the same
US20140064983A1 (en) * 2012-08-31 2014-03-06 General Electric Company Airfoil and method for manufacturing an airfoil
EP2832956A1 (fr) * 2013-07-29 2015-02-04 Siemens Aktiengesellschaft Aube de turbine avec corps de refroidissement en forme de profil aérodynamique
US10598027B2 (en) 2014-03-27 2020-03-24 Siemens Aktiengesellschaft Blade for a gas turbine and method of cooling the blade
US10156146B2 (en) 2016-04-25 2018-12-18 General Electric Company Airfoil with variable slot decoupling
GB201610783D0 (en) * 2016-06-21 2016-08-03 Rolls Royce Plc Trailing edge ejection cooling
EP3354850A1 (fr) 2017-01-31 2018-08-01 Siemens Aktiengesellschaft Aube ou ailette d'une turbine à gaz
FR3062675B1 (fr) 2017-02-07 2021-01-15 Safran Helicopter Engines Aube haute pression ventilee de turbine d'helicoptere comprenant un conduit amont et une cavite centrale de refroidissement
JP6345319B1 (ja) * 2017-07-07 2018-06-20 三菱日立パワーシステムズ株式会社 タービン翼及びガスタービン
CN112177685A (zh) * 2020-10-21 2021-01-05 中国航发沈阳发动机研究所 一种高压涡轮转子叶片尾缝冷却结构
CN112392550B (zh) * 2020-11-17 2021-09-28 上海交通大学 涡轮叶片尾缘针肋冷却结构及冷却方法、涡轮叶片

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017159A (en) * 1956-11-23 1962-01-16 Curtiss Wright Corp Hollow blade construction
FR1503348A (fr) * 1965-12-11 1967-11-24 Daimler Benz Ag Aube pour turbines à gaz, en particulier pour réacteurs d'avions
GB1350424A (en) * 1971-07-02 1974-04-18 Rolls Royce Cooled blade for a gas turbine engine
BE794194A (fr) * 1972-01-18 1973-07-18 Bbc Sulzer Turbomaschinen Aube mobile refroidie pour des turbines a gaz
US3867068A (en) * 1973-03-30 1975-02-18 Gen Electric Turbomachinery blade cooling insert retainers
US3982851A (en) * 1975-09-02 1976-09-28 General Electric Company Tip cap apparatus
US4073599A (en) * 1976-08-26 1978-02-14 Westinghouse Electric Corporation Hollow turbine blade tip closure
US4180373A (en) * 1977-12-28 1979-12-25 United Technologies Corporation Turbine blade

Also Published As

Publication number Publication date
FR2476207B1 (fr) 1983-05-13
EP0034961A1 (fr) 1981-09-02
EP0034961B1 (fr) 1984-10-03
FR2476207A1 (fr) 1981-08-21
JPS6326242B2 (fr) 1988-05-28
JPS56159507A (en) 1981-12-08

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee