DE69317901D1 - Verstärkte hinterkante für gusskern einer turbinenschaufel - Google Patents

Verstärkte hinterkante für gusskern einer turbinenschaufel

Info

Publication number
DE69317901D1
DE69317901D1 DE69317901T DE69317901T DE69317901D1 DE 69317901 D1 DE69317901 D1 DE 69317901D1 DE 69317901 T DE69317901 T DE 69317901T DE 69317901 T DE69317901 T DE 69317901T DE 69317901 D1 DE69317901 D1 DE 69317901D1
Authority
DE
Germany
Prior art keywords
turbine blade
rear edge
cast core
reinforced rear
reinforced
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
DE69317901T
Other languages
English (en)
Other versions
DE69317901T2 (de
Inventor
Dennis Green
Edward Szela
George Yamarik
David Martin
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.)
RTX 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
Publication of DE69317901D1 publication Critical patent/DE69317901D1/de
Application granted granted Critical
Publication of DE69317901T2 publication Critical patent/DE69317901T2/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
    • 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
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • 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
    • 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)
DE69317901T 1992-11-24 1993-11-04 Verstärkte hinterkante für gusskern einer turbinenschaufel Expired - Lifetime DE69317901T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/981,951 US5337805A (en) 1992-11-24 1992-11-24 Airfoil core trailing edge region
PCT/US1993/010739 WO1994012767A1 (en) 1992-11-24 1993-11-04 Airfoil casting core reinforced at trailing edge

Publications (2)

Publication Number Publication Date
DE69317901D1 true DE69317901D1 (de) 1998-05-14
DE69317901T2 DE69317901T2 (de) 1998-10-29

Family

ID=25528752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317901T Expired - Lifetime DE69317901T2 (de) 1992-11-24 1993-11-04 Verstärkte hinterkante für gusskern einer turbinenschaufel

Country Status (5)

Country Link
US (1) US5337805A (de)
EP (1) EP0670954B1 (de)
JP (1) JP3456534B2 (de)
DE (1) DE69317901T2 (de)
WO (1) WO1994012767A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5599166A (en) * 1994-11-01 1997-02-04 United Technologies Corporation Core for fabrication of gas turbine engine airfoils
US5772397A (en) * 1996-05-08 1998-06-30 Alliedsignal Inc. Gas turbine airfoil with aft internal cooling
US5601399A (en) * 1996-05-08 1997-02-11 Alliedsignal Inc. Internally cooled gas turbine vane
US5820774A (en) * 1996-10-28 1998-10-13 United Technologies Corporation Ceramic core for casting a turbine blade
US5752801A (en) * 1997-02-20 1998-05-19 Westinghouse Electric Corporation Apparatus for cooling a gas turbine airfoil and method of making same
US5827043A (en) * 1997-06-27 1998-10-27 United Technologies Corporation Coolable airfoil
DE19815241A1 (de) 1998-04-04 1999-10-07 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
US6347660B1 (en) 1998-12-01 2002-02-19 Howmet Research Corporation Multipiece core assembly for cast airfoil
US6340047B1 (en) * 1999-03-22 2002-01-22 General Electric Company Core tied cast airfoil
US6179565B1 (en) 1999-08-09 2001-01-30 United Technologies Corporation Coolable airfoil structure
US6234754B1 (en) 1999-08-09 2001-05-22 United Technologies Corporation Coolable airfoil structure
DE60033768T2 (de) 1999-12-08 2007-11-08 General Electric Co. Kern zur Einstellung der Wanddicke einer Turbinenschaufel und Verfahren
IT1319140B1 (it) * 2000-11-28 2003-09-23 Nuovo Pignone Spa Sistema di refrigerazione per ugelli statorici di turbine a gas
US6599092B1 (en) * 2002-01-04 2003-07-29 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6988872B2 (en) * 2003-01-27 2006-01-24 Mitsubishi Heavy Industries, Ltd. Turbine moving blade and gas turbine
US7014424B2 (en) * 2003-04-08 2006-03-21 United Technologies Corporation Turbine element
US7278826B2 (en) * 2004-08-18 2007-10-09 Pratt & Whitney Canada Corp. Airfoil cooling passage trailing edge flow restriction
US7393183B2 (en) * 2005-06-17 2008-07-01 Siemens Power Generation, Inc. Trailing edge attachment for composite airfoil
US7452186B2 (en) * 2005-08-16 2008-11-18 United Technologies Corporation Turbine blade including revised trailing edge cooling
GB2440127B (en) * 2006-06-07 2008-07-09 Rolls Royce Plc A turbine blade for a gas turbine engine
US7713027B2 (en) * 2006-08-28 2010-05-11 United Technologies Corporation Turbine blade with split impingement rib
US7690894B1 (en) 2006-09-25 2010-04-06 Florida Turbine Technologies, Inc. Ceramic core assembly for serpentine flow circuit in a turbine blade
GB2444483B (en) 2006-12-09 2010-07-14 Rolls Royce Plc A core for use in a casting mould
US7780414B1 (en) * 2007-01-17 2010-08-24 Florida Turbine Technologies, Inc. Turbine blade with multiple metering trailing edge cooling holes
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
US9482101B2 (en) 2012-11-28 2016-11-01 United Technologies Corporation Trailing edge and tip cooling
US10557354B2 (en) * 2013-08-28 2020-02-11 United Technologies Corporation Gas turbine engine airfoil crossover and pedestal rib cooling arrangement
JP6216618B2 (ja) * 2013-11-12 2017-10-18 三菱日立パワーシステムズ株式会社 ガスタービン翼の製造方法
WO2015126488A2 (en) 2013-12-23 2015-08-27 United Technologies Corporation Lost core structural frame
EP2998507A1 (de) * 2014-09-16 2016-03-23 Siemens Aktiengesellschaft Eine gekühlte Turbinenschaufel, welche interne Verbindungsrippen zwischen den Kühlräumen beinhaltet, welche Sollbruchstellen zur Verringerung von Thermischen Spannungen aufweisen
FR3037829B1 (fr) * 2015-06-29 2017-07-21 Snecma Noyau pour le moulage d'une aube ayant des cavites superposees et comprenant un trou de depoussierage traversant une cavite de part en part
CN108350745B (zh) * 2015-10-30 2020-07-17 西门子股份公司 具有特征为轴向分隔壁的后缘冷却的涡轮翼型件
US10337332B2 (en) * 2016-02-25 2019-07-02 United Technologies Corporation Airfoil having pedestals in trailing edge cavity
EP3354850A1 (de) * 2017-01-31 2018-08-01 Siemens Aktiengesellschaft Turbinenblatt oder turbinenschaufel für eine gasturbine
US10619489B2 (en) * 2017-09-06 2020-04-14 United Technologies Corporation Airfoil having end wall contoured pedestals
CN111535870B (zh) * 2020-05-06 2022-08-05 北京南方斯奈克玛涡轮技术有限公司 增材制造的含镂空肋片的发动机涡轮中间支承装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965963A (en) * 1973-11-16 1976-06-29 United Technologies Corporation Mold and process for casting high temperature alloys
US4148350A (en) * 1975-01-28 1979-04-10 Mtu-Motoren Und Turbinen-Union Munchen Gmbh Method for manufacturing a thermally high-stressed cooled component
US4118136A (en) * 1977-06-03 1978-10-03 General Electric Company Apparatus for attaching tubing to a rotating disk
US4278400A (en) 1978-09-05 1981-07-14 United Technologies Corporation Coolable rotor blade
GB2096523B (en) * 1981-03-25 1986-04-09 Rolls Royce Method of making a blade aerofoil for a gas turbine
GB2105624A (en) * 1981-09-02 1983-03-30 Rolls Royce Turbine blade manufacture
US4474532A (en) * 1981-12-28 1984-10-02 United Technologies Corporation Coolable airfoil for a rotary machine
US4596281A (en) * 1982-09-02 1986-06-24 Trw Inc. Mold core and method of forming internal passages in an airfoil
US4627480A (en) * 1983-11-07 1986-12-09 General Electric Company Angled turbulence promoter
US4767268A (en) * 1987-08-06 1988-08-30 United Technologies Corporation Triple pass cooled airfoil
US5050665A (en) * 1989-12-26 1991-09-24 United Technologies Corporation Investment cast airfoil core/shell lock and method of casting
US5146341A (en) 1990-07-27 1992-09-08 Eastman Kodak Company Film scanner having a dynamic film gate and an integrating cylinder incorporated therein
US5203873A (en) 1991-08-29 1993-04-20 General Electric Company Turbine blade impingement baffle
US5246341A (en) * 1992-07-06 1993-09-21 United Technologies Corporation Turbine blade trailing edge cooling construction
US5403159A (en) 1992-11-30 1995-04-04 United Technoligies Corporation Coolable airfoil structure

Also Published As

Publication number Publication date
WO1994012767A1 (en) 1994-06-09
EP0670954B1 (de) 1998-04-08
JP3456534B2 (ja) 2003-10-14
US5337805A (en) 1994-08-16
DE69317901T2 (de) 1998-10-29
JPH08503530A (ja) 1996-04-16
EP0670954A1 (de) 1995-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition