JP4128366B2 - タービンブレード先端域の温度を低下させるための方法、翼形部およびタービンエンジン - Google Patents

タービンブレード先端域の温度を低下させるための方法、翼形部およびタービンエンジン Download PDF

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Publication number
JP4128366B2
JP4128366B2 JP2002031600A JP2002031600A JP4128366B2 JP 4128366 B2 JP4128366 B2 JP 4128366B2 JP 2002031600 A JP2002031600 A JP 2002031600A JP 2002031600 A JP2002031600 A JP 2002031600A JP 4128366 B2 JP4128366 B2 JP 4128366B2
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Japan
Prior art keywords
tip
airfoil
wall
trailing edge
shelf
Prior art date
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Expired - Fee Related
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JP2002031600A
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English (en)
Japanese (ja)
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JP2002276302A5 (enExample
JP2002276302A (ja
Inventor
チン−パン・リー
シャンデル・プラカーシュ
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General Electric Co
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General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
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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
    • F01D5/20—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
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • 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
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2002031600A 2001-02-09 2002-02-08 タービンブレード先端域の温度を低下させるための方法、翼形部およびタービンエンジン Expired - Fee Related JP4128366B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/783279 2001-02-09
US09/783,279 US6382913B1 (en) 2001-02-09 2001-02-09 Method and apparatus for reducing turbine blade tip region temperatures

Publications (3)

Publication Number Publication Date
JP2002276302A JP2002276302A (ja) 2002-09-25
JP2002276302A5 JP2002276302A5 (enExample) 2005-08-11
JP4128366B2 true JP4128366B2 (ja) 2008-07-30

Family

ID=25128730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002031600A Expired - Fee Related JP4128366B2 (ja) 2001-02-09 2002-02-08 タービンブレード先端域の温度を低下させるための方法、翼形部およびタービンエンジン

Country Status (4)

Country Link
US (1) US6382913B1 (enExample)
EP (1) EP1231359B1 (enExample)
JP (1) JP4128366B2 (enExample)
DE (1) DE60219227T2 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6652235B1 (en) * 2002-05-31 2003-11-25 General Electric Company Method and apparatus for reducing turbine blade tip region temperatures
US6672829B1 (en) 2002-07-16 2004-01-06 General Electric Company Turbine blade having angled squealer tip
US7270519B2 (en) 2002-11-12 2007-09-18 General Electric Company Methods and apparatus for reducing flow across compressor airfoil tips
US6991430B2 (en) * 2003-04-07 2006-01-31 General Electric Company Turbine blade with recessed squealer tip and shelf
US6779979B1 (en) 2003-04-23 2004-08-24 General Electric Company Methods and apparatus for structurally supporting airfoil tips
US6905309B2 (en) * 2003-08-28 2005-06-14 General Electric Company Methods and apparatus for reducing vibrations induced to compressor airfoils
US6923616B2 (en) * 2003-09-02 2005-08-02 General Electric Company Methods and apparatus for cooling gas turbine engine rotor assemblies
US7600972B2 (en) * 2003-10-31 2009-10-13 General Electric Company Methods and apparatus for cooling gas turbine engine rotor assemblies
US6984112B2 (en) * 2003-10-31 2006-01-10 General Electric Company Methods and apparatus for cooling gas turbine rotor blades
US7217092B2 (en) * 2004-04-14 2007-05-15 General Electric Company Method and apparatus for reducing turbine blade temperatures
US7029235B2 (en) * 2004-04-30 2006-04-18 Siemens Westinghouse Power Corporation Cooling system for a tip of a turbine blade
US7118337B2 (en) * 2004-06-17 2006-10-10 Siemens Power Generation, Inc. Gas turbine airfoil trailing edge corner
US7270514B2 (en) * 2004-10-21 2007-09-18 General Electric Company Turbine blade tip squealer and rebuild method
FR2889243B1 (fr) * 2005-07-26 2007-11-02 Snecma Aube de turbomachine
US7497664B2 (en) * 2005-08-16 2009-03-03 General Electric Company Methods and apparatus for reducing vibrations induced to airfoils
US7704045B1 (en) 2007-05-02 2010-04-27 Florida Turbine Technologies, Inc. Turbine blade with blade tip cooling notches
US8092178B2 (en) * 2008-11-28 2012-01-10 Pratt & Whitney Canada Corp. Turbine blade for a gas turbine engine
US8092179B2 (en) * 2009-03-12 2012-01-10 United Technologies Corporation Blade tip cooling groove
US8186965B2 (en) * 2009-05-27 2012-05-29 General Electric Company Recovery tip turbine blade
US8764379B2 (en) * 2010-02-25 2014-07-01 General Electric Company Turbine blade with shielded tip coolant supply passageway
US8371815B2 (en) * 2010-03-17 2013-02-12 General Electric Company Apparatus for cooling an airfoil
US8858167B2 (en) 2011-08-18 2014-10-14 United Technologies Corporation Airfoil seal
EP2798175A4 (en) * 2011-12-29 2017-08-02 Rolls-Royce North American Technologies, Inc. Gas turbine engine and turbine blade
US9091177B2 (en) 2012-03-14 2015-07-28 United Technologies Corporation Shark-bite tip shelf cooling configuration
US9249669B2 (en) 2012-04-05 2016-02-02 General Electric Company CMC blade with pressurized internal cavity for erosion control
US9228442B2 (en) * 2012-04-05 2016-01-05 United Technologies Corporation Turbine airfoil tip shelf and squealer pocket cooling
US9284845B2 (en) * 2012-04-05 2016-03-15 United Technologies Corporation Turbine airfoil tip shelf and squealer pocket cooling
US9273561B2 (en) * 2012-08-03 2016-03-01 General Electric Company Cooling structures for turbine rotor blade tips
US10655473B2 (en) * 2012-12-13 2020-05-19 United Technologies Corporation Gas turbine engine turbine blade leading edge tip trench cooling
US20140241899A1 (en) * 2013-02-25 2014-08-28 Pratt & Whitney Canada Corp. Blade leading edge tip rib
US20150078900A1 (en) * 2013-09-19 2015-03-19 David B. Allen Turbine blade with airfoil tip having cutting tips
WO2015094498A1 (en) * 2013-12-17 2015-06-25 United Technologies Corporation Enhanced cooling for blade tip
US10801325B2 (en) * 2017-03-27 2020-10-13 Raytheon Technologies Corporation Turbine blade with tip vortex control and tip shelf

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589824A (en) 1977-10-21 1986-05-20 United Technologies Corporation Rotor blade having a tip cap end closure
US5261789A (en) 1992-08-25 1993-11-16 General Electric Company Tip cooled blade
JPH10317905A (ja) * 1997-05-21 1998-12-02 Mitsubishi Heavy Ind Ltd ガスタービンチップシュラウド翼
US6059530A (en) * 1998-12-21 2000-05-09 General Electric Company Twin rib turbine blade
US6190129B1 (en) * 1998-12-21 2001-02-20 General Electric Company Tapered tip-rib turbine blade
US6179556B1 (en) 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
US6164914A (en) 1999-08-23 2000-12-26 General Electric Company Cool tip blade

Also Published As

Publication number Publication date
EP1231359A2 (en) 2002-08-14
EP1231359A3 (en) 2004-08-25
EP1231359B1 (en) 2007-04-04
US6382913B1 (en) 2002-05-07
DE60219227D1 (de) 2007-05-16
DE60219227T2 (de) 2008-01-03
JP2002276302A (ja) 2002-09-25

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