DE69515442T2 - Kühlung von Turbinenschaufelspitzen - Google Patents

Kühlung von Turbinenschaufelspitzen

Info

Publication number
DE69515442T2
DE69515442T2 DE69515442T DE69515442T DE69515442T2 DE 69515442 T2 DE69515442 T2 DE 69515442T2 DE 69515442 T DE69515442 T DE 69515442T DE 69515442 T DE69515442 T DE 69515442T DE 69515442 T2 DE69515442 T2 DE 69515442T2
Authority
DE
Germany
Prior art keywords
cooling
turbine blade
blade tips
tips
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 - Lifetime
Application number
DE69515442T
Other languages
English (en)
Other versions
DE69515442D1 (de
Inventor
Ching-Pang Lee
Chander Prakash
Edward Franci Pietraszkiewicz
Ronald Dale Zerkle
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 Co
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 DE69515442D1 publication Critical patent/DE69515442D1/de
Application granted granted Critical
Publication of DE69515442T2 publication Critical patent/DE69515442T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
DE69515442T 1994-12-19 1995-11-28 Kühlung von Turbinenschaufelspitzen Expired - Lifetime DE69515442T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/329,750 US5503527A (en) 1994-12-19 1994-12-19 Turbine blade having tip slot

Publications (2)

Publication Number Publication Date
DE69515442D1 DE69515442D1 (de) 2000-04-13
DE69515442T2 true DE69515442T2 (de) 2000-10-26

Family

ID=23286846

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69515442T Expired - Lifetime DE69515442T2 (de) 1994-12-19 1995-11-28 Kühlung von Turbinenschaufelspitzen

Country Status (3)

Country Link
US (1) US5503527A (de)
EP (1) EP0718467B1 (de)
DE (1) DE69515442T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012021400A1 (de) * 2012-10-31 2014-04-30 Rolls-Royce Deutschland Ltd & Co Kg Turbinenrotorschaufel einer Gasturbine
US9593584B2 (en) 2012-10-26 2017-03-14 Rolls-Royce Plc Turbine rotor blade of a gas turbine

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9607578D0 (en) * 1996-04-12 1996-06-12 Rolls Royce Plc Turbine rotor blades
US5927946A (en) * 1997-09-29 1999-07-27 General Electric Company Turbine blade having recuperative trailing edge tip cooling
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip
US6059530A (en) * 1998-12-21 2000-05-09 General Electric Company Twin rib turbine blade
US6196792B1 (en) 1999-01-29 2001-03-06 General Electric Company Preferentially cooled turbine shroud
US6179556B1 (en) * 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
US6174135B1 (en) * 1999-06-30 2001-01-16 General Electric Company Turbine blade trailing edge cooling openings and slots
US6207295B1 (en) 1999-07-13 2001-03-27 General Electric Company Article with tailorable high temperature coating
IT1319140B1 (it) * 2000-11-28 2003-09-23 Nuovo Pignone Spa Sistema di refrigerazione per ugelli statorici di turbine a gas
US6422821B1 (en) 2001-01-09 2002-07-23 General Electric Company Method and apparatus for reducing turbine blade tip temperatures
US6478537B2 (en) * 2001-02-16 2002-11-12 Siemens Westinghouse Power Corporation Pre-segmented squealer tip for turbine blades
US6558119B2 (en) 2001-05-29 2003-05-06 General Electric Company Turbine airfoil with separately formed tip and method for manufacture and repair thereof
US6599092B1 (en) 2002-01-04 2003-07-29 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6602047B1 (en) 2002-02-28 2003-08-05 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6932570B2 (en) * 2002-05-23 2005-08-23 General Electric Company Methods and apparatus for extending gas turbine engine airfoils useful life
US6746209B2 (en) 2002-05-31 2004-06-08 General Electric Company Methods and apparatus for cooling gas turbine engine nozzle assemblies
US6652235B1 (en) 2002-05-31 2003-11-25 General Electric Company Method and apparatus for reducing turbine blade tip region temperatures
US6790005B2 (en) 2002-12-30 2004-09-14 General Electric Company Compound tip notched blade
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
US7165940B2 (en) * 2004-06-10 2007-01-23 General Electric Company Method and apparatus for cooling gas turbine rotor blades
US7118342B2 (en) * 2004-09-09 2006-10-10 General Electric Company Fluted tip turbine blade
US7513743B2 (en) * 2006-05-02 2009-04-07 Siemens Energy, Inc. Turbine blade with wavy squealer tip rail
US7600977B2 (en) * 2006-05-08 2009-10-13 General Electric Company Turbine blade tip cap
US8500396B2 (en) * 2006-08-21 2013-08-06 General Electric Company Cascade tip baffle airfoil
US8512003B2 (en) * 2006-08-21 2013-08-20 General Electric Company Tip ramp turbine blade
US7607893B2 (en) 2006-08-21 2009-10-27 General Electric Company Counter tip baffle airfoil
US8632311B2 (en) * 2006-08-21 2014-01-21 General Electric Company Flared tip turbine blade
US7686578B2 (en) * 2006-08-21 2010-03-30 General Electric Company Conformal tip baffle airfoil
US7597539B1 (en) 2006-09-27 2009-10-06 Florida Turbine Technologies, Inc. Turbine blade with vortex cooled end tip rail
US8425183B2 (en) 2006-11-20 2013-04-23 General Electric Company Triforial tip cavity airfoil
US20080317597A1 (en) * 2007-06-25 2008-12-25 General Electric Company Domed tip cap and related method
US8011889B1 (en) * 2007-09-07 2011-09-06 Florida Turbine Technologies, Inc. Turbine blade with trailing edge tip corner cooling
US7955053B1 (en) 2007-09-21 2011-06-07 Florida Turbine Technologies, Inc. Turbine blade with serpentine cooling circuit
JP5029957B2 (ja) * 2007-11-01 2012-09-19 株式会社Ｉｈｉ スキーラ付きタービン動翼
US8016562B2 (en) * 2007-11-20 2011-09-13 Siemens Energy, Inc. Turbine blade tip cooling system
US8206108B2 (en) * 2007-12-10 2012-06-26 Honeywell International Inc. Turbine blades and methods of manufacturing
GB0724612D0 (en) * 2007-12-19 2008-01-30 Rolls Royce Plc Rotor blades
FR2928405B1 (fr) * 2008-03-05 2011-01-21 Snecma Refroidissement de l'extremite d'une aube.
GB0901129D0 (en) * 2009-01-26 2009-03-11 Rolls Royce Plc Rotor blade
US8092179B2 (en) * 2009-03-12 2012-01-10 United Technologies Corporation Blade tip cooling groove
EP2236746A1 (de) 2009-03-23 2010-10-06 Alstom Technology Ltd Gasturbine
US8157504B2 (en) * 2009-04-17 2012-04-17 General Electric Company Rotor blades for turbine engines
US8186965B2 (en) * 2009-05-27 2012-05-29 General Electric Company Recovery tip turbine blade
GB201006450D0 (en) * 2010-04-19 2010-06-02 Rolls Royce Plc Blades
US8801377B1 (en) * 2011-08-25 2014-08-12 Florida Turbine Technologies, Inc. Turbine blade with tip cooling and sealing
KR101324249B1 (ko) 2011-12-06 2013-11-01 삼성테크윈 주식회사 스퀼러 팁이 형성된 블레이드를 구비한 터빈 임펠러
US9260972B2 (en) * 2012-07-03 2016-02-16 United Technologies Corporation Tip leakage flow directionality control
US9273561B2 (en) * 2012-08-03 2016-03-01 General Electric Company Cooling structures for turbine rotor blade tips
US8920124B2 (en) 2013-02-14 2014-12-30 Siemens Energy, Inc. Turbine blade with contoured chamfered squealer tip
US9551226B2 (en) 2013-10-23 2017-01-24 General Electric Company Turbine bucket with endwall contour and airfoil profile
US9638041B2 (en) 2013-10-23 2017-05-02 General Electric Company Turbine bucket having non-axisymmetric base contour
US9528379B2 (en) 2013-10-23 2016-12-27 General Electric Company Turbine bucket having serpentine core
US9797258B2 (en) * 2013-10-23 2017-10-24 General Electric Company Turbine bucket including cooling passage with turn
US9670784B2 (en) 2013-10-23 2017-06-06 General Electric Company Turbine bucket base having serpentine cooling passage with leading edge cooling
DE102013224998A1 (de) * 2013-12-05 2015-06-11 Rolls-Royce Deutschland Ltd & Co Kg Turbinenrotorschaufel einer Gasturbine und Verfahren zur Kühlung einer Schaufelspitze einer Turbinenrotorschaufel einer Gasturbine
FR3021697B1 (fr) * 2014-05-28 2021-09-17 Snecma Aube de turbine a refroidissement optimise
EP2960434A1 (de) 2014-06-25 2015-12-30 Siemens Aktiengesellschaft Verdichterprofil und zugehörige Verdichterrotorbaugruppe
CN106471215B (zh) * 2014-07-07 2018-06-19 西门子公司 燃气涡轮叶片凹槽状叶顶、对应的制造和冷却方法及燃气涡轮发动机
FR3027951B1 (fr) * 2014-11-04 2019-12-13 Safran Aircraft Engines Baignoire de sommet d'aubes d'une turbine de turbomachine
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10329922B2 (en) 2016-02-09 2019-06-25 General Electric Company Gas turbine engine airfoil
US10801331B2 (en) 2016-06-07 2020-10-13 Raytheon Technologies Corporation Gas turbine engine rotor including squealer tip pocket
US10830082B2 (en) * 2017-05-10 2020-11-10 General Electric Company Systems including rotor blade tips and circumferentially grooved shrouds
US10443405B2 (en) * 2017-05-10 2019-10-15 General Electric Company Rotor blade tip
WO2019088992A1 (en) 2017-10-31 2019-05-09 Siemens Aktiengesellschaft Turbine blade with tip trench
US11136890B1 (en) 2020-03-25 2021-10-05 General Electric Company Cooling circuit for a turbomachine component
US11299991B2 (en) * 2020-04-16 2022-04-12 General Electric Company Tip squealer configurations

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635585A (en) * 1969-12-23 1972-01-18 Westinghouse Electric Corp Gas-cooled turbine blade
DE2231426C3 (de) * 1972-06-27 1974-11-28 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Deckbandlose, innen gekühlte Axialturbinenlaufschaufel
US4010531A (en) * 1975-09-02 1977-03-08 General Electric Company Tip cap apparatus and method of installation
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
US4424001A (en) * 1981-12-04 1984-01-03 Westinghouse Electric Corp. Tip structure for cooled turbine rotor blade
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
FR2623569A1 (fr) * 1987-11-19 1989-05-26 Snecma Aube de compresseur a lechettes d'extremite dissymetriques
US5183385A (en) * 1990-11-19 1993-02-02 General Electric Company Turbine blade squealer tip having air cooling holes contiguous with tip interior wall surface
US5176499A (en) * 1991-06-24 1993-01-05 General Electric Company Photoetched cooling slots for diffusion bonded airfoils
US5246340A (en) * 1991-11-19 1993-09-21 Allied-Signal Inc. Internally cooled airfoil
US5403158A (en) * 1993-12-23 1995-04-04 United Technologies Corporation Aerodynamic tip sealing for rotor blades

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9593584B2 (en) 2012-10-26 2017-03-14 Rolls-Royce Plc Turbine rotor blade of a gas turbine
US10641107B2 (en) 2012-10-26 2020-05-05 Rolls-Royce Plc Turbine blade with tip overhang along suction side
DE102012021400A1 (de) * 2012-10-31 2014-04-30 Rolls-Royce Deutschland Ltd & Co Kg Turbinenrotorschaufel einer Gasturbine

Also Published As

Publication number Publication date
EP0718467B1 (de) 2000-03-08
EP0718467A1 (de) 1996-06-26
DE69515442D1 (de) 2000-04-13
US5503527A (en) 1996-04-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN