JP2002276302A5 - - Google Patents

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Publication number
JP2002276302A5
JP2002276302A5 JP2002031600A JP2002031600A JP2002276302A5 JP 2002276302 A5 JP2002276302 A5 JP 2002276302A5 JP 2002031600 A JP2002031600 A JP 2002031600A JP 2002031600 A JP2002031600 A JP 2002031600A JP 2002276302 A5 JP2002276302 A5 JP 2002276302A5
Authority
JP
Japan
Prior art keywords
tip
airfoil
wall
trailing edge
forming
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.)
Granted
Application number
JP2002031600A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002276302A (ja
JP4128366B2 (ja
Filing date
Publication date
Priority claimed from US09/783,279 external-priority patent/US6382913B1/en
Application filed filed Critical
Publication of JP2002276302A publication Critical patent/JP2002276302A/ja
Publication of JP2002276302A5 publication Critical patent/JP2002276302A5/ja
Application granted granted Critical
Publication of JP4128366B2 publication Critical patent/JP4128366B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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 true JP2002276302A5 (enExample) 2005-08-11
JP4128366B2 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

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