CN101818658B - 冷却改善的涡轮叶片或轮叶 - Google Patents

冷却改善的涡轮叶片或轮叶 Download PDF

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Publication number
CN101818658B
CN101818658B CN201010118537.XA CN201010118537A CN101818658B CN 101818658 B CN101818658 B CN 101818658B CN 201010118537 A CN201010118537 A CN 201010118537A CN 101818658 B CN101818658 B CN 101818658B
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CN
China
Prior art keywords
trailing edge
width
blade
length
cooling
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.)
Active
Application number
CN201010118537.XA
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English (en)
Chinese (zh)
Other versions
CN101818658A (zh
Inventor
L·J·安曼
J·W·维尔
G·L·赛登
宁卫
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.)
General Electric Company PLC
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CN101818658A publication Critical patent/CN101818658A/zh
Application granted granted Critical
Publication of CN101818658B publication Critical patent/CN101818658B/zh
Active legal-status Critical Current
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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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—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
    • F01D5/18—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
    • F05D2230/00—Manufacture
    • F05D2230/10—Manufacture by removing material
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • 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
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CN201010118537.XA 2009-01-21 2010-01-21 冷却改善的涡轮叶片或轮叶 Active CN101818658B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/356,874 US8172534B2 (en) 2009-01-21 2009-01-21 Turbine blade or vane with improved cooling
US12/356874 2009-01-21

Publications (2)

Publication Number Publication Date
CN101818658A CN101818658A (zh) 2010-09-01
CN101818658B true CN101818658B (zh) 2013-05-15

Family

ID=42097225

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010118537.XA Active CN101818658B (zh) 2009-01-21 2010-01-21 冷却改善的涡轮叶片或轮叶

Country Status (4)

Country Link
US (1) US8172534B2 (enExample)
EP (1) EP2211020B1 (enExample)
JP (1) JP2010169089A (enExample)
CN (1) CN101818658B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9441488B1 (en) 2013-11-07 2016-09-13 United States Of America As Represented By The Secretary Of The Air Force Film cooling holes for gas turbine airfoils
US9732617B2 (en) 2013-11-26 2017-08-15 General Electric Company Cooled airfoil trailing edge and method of cooling the airfoil trailing edge
US10767492B2 (en) 2018-12-18 2020-09-08 General Electric Company Turbine engine airfoil
US11566527B2 (en) 2018-12-18 2023-01-31 General Electric Company Turbine engine airfoil and method of cooling
US11352889B2 (en) 2018-12-18 2022-06-07 General Electric Company Airfoil tip rail and method of cooling
US11499433B2 (en) 2018-12-18 2022-11-15 General Electric Company Turbine engine component and method of cooling
US11174736B2 (en) 2018-12-18 2021-11-16 General Electric Company Method of forming an additively manufactured component
US10844728B2 (en) 2019-04-17 2020-11-24 General Electric Company Turbine engine airfoil with a trailing edge
GB202216739D0 (en) * 2022-11-10 2022-12-28 Rolls Royce Plc Tie for a component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835958A (en) * 1978-10-26 1989-06-06 Rice Ivan G Process for directing a combustion gas stream onto rotatable blades of a gas turbine
US7255535B2 (en) * 2004-12-02 2007-08-14 Albrecht Harry A Cooling systems for stacked laminate CMC vane
US7387492B2 (en) * 2005-12-20 2008-06-17 General Electric Company Methods and apparatus for cooling turbine blade trailing edges

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047014A (enExample) * 1973-08-30 1975-04-26
JPS6095101A (ja) * 1983-10-31 1985-05-28 Toshiba Corp 冷却翼
US6092982A (en) * 1996-05-28 2000-07-25 Kabushiki Kaisha Toshiba Cooling system for a main body used in a gas stream
US6241466B1 (en) * 1999-06-01 2001-06-05 General Electric Company Turbine airfoil breakout cooling
US6499949B2 (en) * 2001-03-27 2002-12-31 Robert Edward Schafrik Turbine airfoil trailing edge with micro cooling channels
US6652235B1 (en) * 2002-05-31 2003-11-25 General Electric Company Method and apparatus for reducing turbine blade tip region temperatures
US7758314B2 (en) * 2003-03-12 2010-07-20 Florida Turbine Technologies, Inc. Tungsten shell for a spar and shell turbine vane
US6981846B2 (en) 2003-03-12 2006-01-03 Florida Turbine Technologies, Inc. Vortex cooling of turbine blades
US7147440B2 (en) * 2003-10-31 2006-12-12 General Electric Company Methods and apparatus for cooling gas turbine engine rotor assemblies
US7438527B2 (en) * 2005-04-22 2008-10-21 United Technologies Corporation Airfoil trailing edge cooling
US7966707B2 (en) * 2005-05-06 2011-06-28 United Technologies Corporation Method for repairing superalloy components using inserts
US7887294B1 (en) * 2006-10-13 2011-02-15 Florida Turbine Technologies, Inc. Turbine airfoil with continuous curved diffusion film holes
US8070448B2 (en) * 2008-10-30 2011-12-06 Honeywell International Inc. Spacers and turbines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835958A (en) * 1978-10-26 1989-06-06 Rice Ivan G Process for directing a combustion gas stream onto rotatable blades of a gas turbine
US7255535B2 (en) * 2004-12-02 2007-08-14 Albrecht Harry A Cooling systems for stacked laminate CMC vane
US7387492B2 (en) * 2005-12-20 2008-06-17 General Electric Company Methods and apparatus for cooling turbine blade trailing edges

Also Published As

Publication number Publication date
JP2010169089A (ja) 2010-08-05
CN101818658A (zh) 2010-09-01
US8172534B2 (en) 2012-05-08
EP2211020B1 (en) 2012-10-24
US20100183446A1 (en) 2010-07-22
EP2211020A1 (en) 2010-07-28

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240113

Address after: Swiss Baden

Patentee after: GENERAL ELECTRIC CO. LTD.

Address before: New York, United States

Patentee before: General Electric Co.