EP1008723A1 - Refroidissement de plateformes de turbomachines - Google Patents

Refroidissement de plateformes de turbomachines Download PDF

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Publication number
EP1008723A1
EP1008723A1 EP98811219A EP98811219A EP1008723A1 EP 1008723 A1 EP1008723 A1 EP 1008723A1 EP 98811219 A EP98811219 A EP 98811219A EP 98811219 A EP98811219 A EP 98811219A EP 1008723 A1 EP1008723 A1 EP 1008723A1
Authority
EP
European Patent Office
Prior art keywords
platforms
cooling
cooling channel
channel
parting line
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
EP98811219A
Other languages
German (de)
English (en)
Other versions
EP1008723B1 (fr
Inventor
Hartmut Hähnle
Kenneth Hall
Sriwickrama Prithiviraj Dr. Harasgama
Konrad Dr. Vogeler
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 Switzerland GmbH
Original Assignee
ABB Alstom Power Switzerland Ltd
Alstom Power Schweiz AG
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 ABB Alstom Power Switzerland Ltd, Alstom Power Schweiz AG filed Critical ABB Alstom Power Switzerland Ltd
Priority to EP98811219A priority Critical patent/EP1008723B1/fr
Priority to DE59810806T priority patent/DE59810806D1/de
Priority to US09/456,332 priority patent/US6309175B1/en
Publication of EP1008723A1 publication Critical patent/EP1008723A1/fr
Application granted granted Critical
Publication of EP1008723B1 publication Critical patent/EP1008723B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01D5/18—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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/80—Platforms for stationary or moving blades
    • F05B2240/801—Platforms for stationary or moving blades cooled platforms
    • 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
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP98811219A 1998-12-10 1998-12-10 Refroidissement de plateformes de turbomachines Expired - Lifetime EP1008723B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP98811219A EP1008723B1 (fr) 1998-12-10 1998-12-10 Refroidissement de plateformes de turbomachines
DE59810806T DE59810806D1 (de) 1998-12-10 1998-12-10 Plattformkühlung in Turbomaschinen
US09/456,332 US6309175B1 (en) 1998-12-10 1999-12-08 Platform cooling in turbomachines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98811219A EP1008723B1 (fr) 1998-12-10 1998-12-10 Refroidissement de plateformes de turbomachines

Publications (2)

Publication Number Publication Date
EP1008723A1 true EP1008723A1 (fr) 2000-06-14
EP1008723B1 EP1008723B1 (fr) 2004-02-18

Family

ID=8236479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98811219A Expired - Lifetime EP1008723B1 (fr) 1998-12-10 1998-12-10 Refroidissement de plateformes de turbomachines

Country Status (3)

Country Link
US (1) US6309175B1 (fr)
EP (1) EP1008723B1 (fr)
DE (1) DE59810806D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1275819A2 (fr) * 2001-07-11 2003-01-15 Mitsubishi Heavy Industries, Ltd. Aube de guidage pour turbine à gaz
EP1892383A1 (fr) * 2006-08-24 2008-02-27 Siemens Aktiengesellschaft Ailette de turbine à gaz à plate-forme refroidie

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6945749B2 (en) * 2003-09-12 2005-09-20 Siemens Westinghouse Power Corporation Turbine blade platform cooling system
GB0328952D0 (en) * 2003-12-12 2004-01-14 Rolls Royce Plc Nozzle guide vanes
US7097417B2 (en) * 2004-02-09 2006-08-29 Siemens Westinghouse Power Corporation Cooling system for an airfoil vane
US7309212B2 (en) * 2005-11-21 2007-12-18 General Electric Company Gas turbine bucket with cooled platform leading edge and method of cooling platform leading edge
US7416391B2 (en) * 2006-02-24 2008-08-26 General Electric Company Bucket platform cooling circuit and method
US7604456B2 (en) * 2006-04-11 2009-10-20 Siemens Energy, Inc. Vane shroud through-flow platform cover
US8152436B2 (en) 2008-01-08 2012-04-10 Pratt & Whitney Canada Corp. Blade under platform pocket cooling
US8727726B2 (en) * 2009-08-11 2014-05-20 General Electric Company Turbine endwall cooling arrangement
US8647064B2 (en) 2010-08-09 2014-02-11 General Electric Company Bucket assembly cooling apparatus and method for forming the bucket assembly
US9416666B2 (en) * 2010-09-09 2016-08-16 General Electric Company Turbine blade platform cooling systems
US9366142B2 (en) 2011-10-28 2016-06-14 General Electric Company Thermal plug for turbine bucket shank cavity and related method
US8840370B2 (en) 2011-11-04 2014-09-23 General Electric Company Bucket assembly for turbine system
US8870525B2 (en) 2011-11-04 2014-10-28 General Electric Company Bucket assembly for turbine system
US8858160B2 (en) 2011-11-04 2014-10-14 General Electric Company Bucket assembly for turbine system
US8845289B2 (en) 2011-11-04 2014-09-30 General Electric Company Bucket assembly for turbine system
US9022735B2 (en) 2011-11-08 2015-05-05 General Electric Company Turbomachine component and method of connecting cooling circuits of a turbomachine component
EP2762679A1 (fr) * 2013-02-01 2014-08-06 Siemens Aktiengesellschaft Aube de rotor de turbine à gaz et turbine à gaz
WO2015026430A1 (fr) * 2013-08-20 2015-02-26 United Technologies Corporation Plaque de revêtement de plateforme de canalisation
WO2015088699A1 (fr) * 2013-12-09 2015-06-18 United Technologies Corporation Surfaces de face d'accouplement de composant de turbine à gaz
US20190085706A1 (en) * 2017-09-18 2019-03-21 General Electric Company Turbine engine airfoil assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0357984A1 (fr) * 1988-08-31 1990-03-14 Westinghouse Electric Corporation Turbine à gaz à refroidissement pelliculaire de frettes de distributeur
US5244345A (en) * 1991-01-15 1993-09-14 Rolls-Royce Plc Rotor
US5281097A (en) * 1992-11-20 1994-01-25 General Electric Company Thermal control damper for turbine rotors
US5382135A (en) * 1992-11-24 1995-01-17 United Technologies Corporation Rotor blade with cooled integral platform
EP0866214A2 (fr) * 1997-03-17 1998-09-23 Mitsubishi Heavy Industries, Ltd. Aube rotorique refroidie pour turbine à gaz

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634766A (en) * 1994-08-23 1997-06-03 General Electric Co. Turbine stator vane segments having combined air and steam cooling circuits

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0357984A1 (fr) * 1988-08-31 1990-03-14 Westinghouse Electric Corporation Turbine à gaz à refroidissement pelliculaire de frettes de distributeur
US5244345A (en) * 1991-01-15 1993-09-14 Rolls-Royce Plc Rotor
US5281097A (en) * 1992-11-20 1994-01-25 General Electric Company Thermal control damper for turbine rotors
US5382135A (en) * 1992-11-24 1995-01-17 United Technologies Corporation Rotor blade with cooled integral platform
EP0866214A2 (fr) * 1997-03-17 1998-09-23 Mitsubishi Heavy Industries, Ltd. Aube rotorique refroidie pour turbine à gaz

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1275819A2 (fr) * 2001-07-11 2003-01-15 Mitsubishi Heavy Industries, Ltd. Aube de guidage pour turbine à gaz
EP1275819A3 (fr) * 2001-07-11 2009-06-17 Mitsubishi Heavy Industries, Ltd. Aube de guidage pour turbine à gaz
EP1892383A1 (fr) * 2006-08-24 2008-02-27 Siemens Aktiengesellschaft Ailette de turbine à gaz à plate-forme refroidie
WO2008022830A1 (fr) * 2006-08-24 2008-02-28 Siemens Aktiengesellschaft aube de turbine à gaz à plate-forme refroidie

Also Published As

Publication number Publication date
DE59810806D1 (de) 2004-03-25
US6309175B1 (en) 2001-10-30
EP1008723B1 (fr) 2004-02-18

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