DE69321621T2 - Turbinenschaufel mit stegen in der austrittskaufe, die als diffusoren wirken - Google Patents

Turbinenschaufel mit stegen in der austrittskaufe, die als diffusoren wirken

Info

Publication number
DE69321621T2
DE69321621T2 DE69321621T DE69321621T DE69321621T2 DE 69321621 T2 DE69321621 T2 DE 69321621T2 DE 69321621 T DE69321621 T DE 69321621T DE 69321621 T DE69321621 T DE 69321621T DE 69321621 T2 DE69321621 T2 DE 69321621T2
Authority
DE
Germany
Prior art keywords
diffusers
bridges
work
shop
outlet
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
DE69321621T
Other languages
English (en)
Other versions
DE69321621D1 (de
Inventor
Joseph Sylvestro
Indrik Linask
Brian Beabout
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE69321621D1 publication Critical patent/DE69321621D1/de
Publication of DE69321621T2 publication Critical patent/DE69321621T2/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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69321621T 1992-11-24 1993-11-19 Turbinenschaufel mit stegen in der austrittskaufe, die als diffusoren wirken Expired - Lifetime DE69321621T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/980,817 US5368441A (en) 1992-11-24 1992-11-24 Turbine airfoil including diffusing trailing edge pedestals
PCT/US1993/011254 WO1994012771A1 (en) 1992-11-24 1993-11-19 Turbine airfoil with diffusing pedestals in its trailing edge

Publications (2)

Publication Number Publication Date
DE69321621D1 DE69321621D1 (de) 1998-11-19
DE69321621T2 true DE69321621T2 (de) 1999-05-27

Family

ID=25527862

Family Applications (2)

Application Number Title Priority Date Filing Date
DE0774047T Pending DE774047T1 (de) 1992-11-24 1993-11-19 Turbinenschaufel mit stegen in der austrittskaufe, die als diffusoren wirken
DE69321621T Expired - Lifetime DE69321621T2 (de) 1992-11-24 1993-11-19 Turbinenschaufel mit stegen in der austrittskaufe, die als diffusoren wirken

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE0774047T Pending DE774047T1 (de) 1992-11-24 1993-11-19 Turbinenschaufel mit stegen in der austrittskaufe, die als diffusoren wirken

Country Status (5)

Country Link
US (1) US5368441A (de)
EP (1) EP0774047B1 (de)
JP (1) JP3340744B2 (de)
DE (2) DE774047T1 (de)
WO (1) WO1994012771A1 (de)

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US5503529A (en) * 1994-12-08 1996-04-02 General Electric Company Turbine blade having angled ejection slot
US6103993A (en) * 1996-07-10 2000-08-15 Mtu Motoren-Und Turbinen-Union Munchen Gmbh Hollow rotor blade of columnar structure having a single crystal column in which a series of holes are laser drilled
US6004100A (en) * 1997-11-13 1999-12-21 United Technologies Corporation Trailing edge cooling apparatus for a gas turbine airfoil
US6176678B1 (en) * 1998-11-06 2001-01-23 General Electric Company Apparatus and methods for turbine blade cooling
US6126397A (en) * 1998-12-22 2000-10-03 United Technologies Corporation Trailing edge cooling apparatus for a gas turbine airfoil
US6241466B1 (en) 1999-06-01 2001-06-05 General Electric Company Turbine airfoil breakout cooling
US6234754B1 (en) 1999-08-09 2001-05-22 United Technologies Corporation Coolable airfoil structure
US6179565B1 (en) * 1999-08-09 2001-01-30 United Technologies Corporation Coolable airfoil structure
US6402470B1 (en) * 1999-10-05 2002-06-11 United Technologies Corporation Method and apparatus for cooling a wall within a gas turbine engine
DE19963349A1 (de) * 1999-12-27 2001-06-28 Abb Alstom Power Ch Ag Schaufel für Gasturbinen mit Drosselquerschnitt an Hinterkante
EP1167690A1 (de) * 2000-06-21 2002-01-02 Siemens Aktiengesellschaft Kühlung der Abströmkante einer Gasturbinenschaufel
IT1319140B1 (it) * 2000-11-28 2003-09-23 Nuovo Pignone Spa Sistema di refrigerazione per ugelli statorici di turbine a gas
EP1213442B1 (de) 2000-12-05 2009-03-11 United Technologies Corporation Rotorschaufel
US6616406B2 (en) * 2001-06-11 2003-09-09 Alstom (Switzerland) Ltd Airfoil trailing edge cooling construction
US6612811B2 (en) * 2001-12-12 2003-09-02 General Electric Company Airfoil for a turbine nozzle of a gas turbine engine and method of making same
US6837687B2 (en) 2001-12-20 2005-01-04 General Electric Company Foil formed structure for turbine airfoil
US6551063B1 (en) 2001-12-20 2003-04-22 General Electric Company Foil formed structure for turbine airfoil trailing edge
US6640546B2 (en) 2001-12-20 2003-11-04 General Electric Company Foil formed cooling area enhancement
WO2003080998A1 (de) * 2002-03-25 2003-10-02 Alstom Technology Ltd Gekühlte turbinenschaufel
US6969230B2 (en) 2002-12-17 2005-11-29 General Electric Company Venturi outlet turbine airfoil
US7008186B2 (en) * 2003-09-17 2006-03-07 General Electric Company Teardrop film cooled blade
US7255534B2 (en) * 2004-07-02 2007-08-14 Siemens Power Generation, Inc. Gas turbine vane with integral cooling system
US7246999B2 (en) * 2004-10-06 2007-07-24 General Electric Company Stepped outlet turbine airfoil
US7503749B2 (en) * 2005-04-01 2009-03-17 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7371048B2 (en) * 2005-05-27 2008-05-13 United Technologies Corporation Turbine blade trailing edge construction
JP4931507B2 (ja) * 2005-07-26 2012-05-16 スネクマ 壁内に形成された冷却流路
US7806659B1 (en) 2007-07-10 2010-10-05 Florida Turbine Technologies, Inc. Turbine blade with trailing edge bleed slot arrangement
FR2924155B1 (fr) * 2007-11-26 2014-02-14 Snecma Aube de turbomachine
US8096770B2 (en) * 2008-09-25 2012-01-17 Siemens Energy, Inc. Trailing edge cooling for turbine blade airfoil
US8096771B2 (en) * 2008-09-25 2012-01-17 Siemens Energy, Inc. Trailing edge cooling slot configuration for a turbine airfoil
US9422816B2 (en) 2009-06-26 2016-08-23 United Technologies Corporation Airfoil with hybrid drilled and cutback trailing edge
US20110268583A1 (en) * 2010-04-30 2011-11-03 General Electric Company Airfoil trailing edge and method of manufacturing the same
US8807945B2 (en) 2011-06-22 2014-08-19 United Technologies Corporation Cooling system for turbine airfoil including ice-cream-cone-shaped pedestals
US8714927B1 (en) 2011-07-12 2014-05-06 United Technologies Corporation Microcircuit skin core cut back to reduce microcircuit trailing edge stresses
EP2626167B2 (de) * 2012-02-10 2023-11-22 Ansaldo Energia IP UK Limited Verfahren zur Rekonditionierung einer Schaufel einer Gasturbine sowie rekonditionierte Schaufel
US9328617B2 (en) * 2012-03-20 2016-05-03 United Technologies Corporation Trailing edge or tip flag antiflow separation
US9366144B2 (en) 2012-03-20 2016-06-14 United Technologies Corporation Trailing edge cooling
US9175569B2 (en) * 2012-03-30 2015-11-03 General Electric Company Turbine airfoil trailing edge cooling slots
US9017026B2 (en) 2012-04-03 2015-04-28 General Electric Company Turbine airfoil trailing edge cooling slots
US20130302177A1 (en) * 2012-05-08 2013-11-14 Robert Frederick Bergholz, JR. Turbine airfoil trailing edge bifurcated cooling holes
US20130302176A1 (en) * 2012-05-08 2013-11-14 Robert Frederick Bergholz, JR. Turbine airfoil trailing edge cooling slot
US20130302179A1 (en) * 2012-05-09 2013-11-14 Robert Frederick Bergholz, JR. Turbine airfoil trailing edge cooling hole plug and slot
US9145773B2 (en) 2012-05-09 2015-09-29 General Electric Company Asymmetrically shaped trailing edge cooling holes
US9482101B2 (en) 2012-11-28 2016-11-01 United Technologies Corporation Trailing edge and tip cooling
US20140208771A1 (en) * 2012-12-28 2014-07-31 United Technologies Corporation Gas turbine engine component cooling arrangement
EP3099901B1 (de) * 2014-01-30 2019-10-09 United Technologies Corporation Turbinenlaufschaulel mit schaufelblatt mit austrittskantenkühlsockelkonfiguration
US10563518B2 (en) * 2016-02-15 2020-02-18 General Electric Company Gas turbine engine trailing edge ejection holes
GB2559177A (en) * 2017-01-30 2018-08-01 Rolls Royce Plc A component for a gas turbine engine
KR101901682B1 (ko) * 2017-06-20 2018-09-27 두산중공업 주식회사 제이 타입 캔틸레버드 베인 및 이를 포함하는 가스터빈
US10619489B2 (en) * 2017-09-06 2020-04-14 United Technologies Corporation Airfoil having end wall contoured pedestals
KR101997985B1 (ko) * 2017-10-27 2019-07-08 두산중공업 주식회사 변형된 제이 타입 캔틸레버드 베인 및 이를 포함하는 가스 터빈
US20200024967A1 (en) * 2018-07-20 2020-01-23 United Technologies Corporation Airfoil having angled trailing edge slots
US11168570B1 (en) * 2020-08-27 2021-11-09 Raytheon Technologies Corporation Cooling arrangement for gas turbine engine components
US11352902B2 (en) * 2020-08-27 2022-06-07 Aytheon Technologies Corporation Cooling arrangement including alternating pedestals for gas turbine engine components
US11454125B1 (en) 2021-07-19 2022-09-27 Doosan Heavy Industries & Construction Co., Ltd. Airfoil with directional diffusion region

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
GB1560683A (en) * 1972-11-28 1980-02-06 Rolls Royce Turbine blade
US4303374A (en) * 1978-12-15 1981-12-01 General Electric Company Film cooled airfoil body
US4565490A (en) * 1981-06-17 1986-01-21 Rice Ivan G Integrated gas/steam nozzle
GB2159585B (en) * 1984-05-24 1989-02-08 Gen Electric Turbine blade
US4601638A (en) * 1984-12-21 1986-07-22 United Technologies Corporation Airfoil trailing edge cooling arrangement
US4650949A (en) * 1985-12-23 1987-03-17 United Technologies Corporation Electrode for electrical discharge machining film cooling passages in an airfoil
US4653983A (en) * 1985-12-23 1987-03-31 United Technologies Corporation Cross-flow film cooling passages
US5102299A (en) * 1986-11-10 1992-04-07 The United States Of America As Represented By The Secretary Of The Air Force Airfoil trailing edge cooling configuration
JPH03141801A (ja) * 1990-09-19 1991-06-17 Hitachi Ltd ガスタービンの冷却翼
US5243759A (en) * 1991-10-07 1993-09-14 United Technologies Corporation Method of casting to control the cooling air flow rate of the airfoil trailing edge

Also Published As

Publication number Publication date
US5368441A (en) 1994-11-29
DE774047T1 (de) 1997-09-04
JPH08503534A (ja) 1996-04-16
JP3340744B2 (ja) 2002-11-05
DE69321621D1 (de) 1998-11-19
WO1994012771A1 (en) 1994-06-09
EP0774047B1 (de) 1998-10-14
EP0774047A1 (de) 1997-05-21

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