EP1746254A3 - Dispositif et méthode de refroidissement d'une virole de turbine et de l'anneau externe d'une aube statorique de turbine - Google Patents

Dispositif et méthode de refroidissement d'une virole de turbine et de l'anneau externe d'une aube statorique de turbine Download PDF

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Publication number
EP1746254A3
EP1746254A3 EP06253774A EP06253774A EP1746254A3 EP 1746254 A3 EP1746254 A3 EP 1746254A3 EP 06253774 A EP06253774 A EP 06253774A EP 06253774 A EP06253774 A EP 06253774A EP 1746254 A3 EP1746254 A3 EP 1746254A3
Authority
EP
European Patent Office
Prior art keywords
cooling
turbine
shroud
vane outer
outer shroud
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
EP06253774A
Other languages
German (de)
English (en)
Other versions
EP1746254B1 (fr
EP1746254A2 (fr
Inventor
Eric Durocher
Assaf Farah
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.)
Pratt and Whitney Canada Corp
Original Assignee
Pratt and Whitney Canada 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
Priority claimed from US11/183,922 external-priority patent/US7374395B2/en
Priority claimed from US11/183,741 external-priority patent/US7520715B2/en
Priority claimed from US11/184,843 external-priority patent/US20070020088A1/en
Application filed by Pratt and Whitney Canada Corp filed Critical Pratt and Whitney Canada Corp
Publication of EP1746254A2 publication Critical patent/EP1746254A2/fr
Publication of EP1746254A3 publication Critical patent/EP1746254A3/fr
Application granted granted Critical
Publication of EP1746254B1 publication Critical patent/EP1746254B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • 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
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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
    • 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
    • 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
    • F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP06253774.1A 2005-07-19 2006-07-19 Dispositif et méthode de refroidissement d'une virole de turbine et de l'anneau externe d'une aube statorique de turbine Active EP1746254B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/183,922 US7374395B2 (en) 2005-07-19 2005-07-19 Turbine shroud segment feather seal located in radial shroud legs
US11/183,741 US7520715B2 (en) 2005-07-19 2005-07-19 Turbine shroud segment transpiration cooling with individual cast inlet and outlet cavities
US11/184,843 US20070020088A1 (en) 2005-07-20 2005-07-20 Turbine shroud segment impingement cooling on vane outer shroud

Publications (3)

Publication Number Publication Date
EP1746254A2 EP1746254A2 (fr) 2007-01-24
EP1746254A3 true EP1746254A3 (fr) 2010-03-10
EP1746254B1 EP1746254B1 (fr) 2016-03-23

Family

ID=36917241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06253774.1A Active EP1746254B1 (fr) 2005-07-19 2006-07-19 Dispositif et méthode de refroidissement d'une virole de turbine et de l'anneau externe d'une aube statorique de turbine

Country Status (1)

Country Link
EP (1) EP1746254B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7377742B2 (en) * 2005-10-14 2008-05-27 General Electric Company Turbine shroud assembly and method for assembling a gas turbine engine
CN102782257B (zh) * 2010-04-20 2015-04-01 三菱重工业株式会社 分割环冷却结构及燃气轮机
US8998572B2 (en) * 2012-06-04 2015-04-07 United Technologies Corporation Blade outer air seal for a gas turbine engine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522557A (en) * 1982-01-07 1985-06-11 S.N.E.C.M.A. Cooling device for movable turbine blade collars
JPH0234731U (fr) * 1988-08-30 1990-03-06
JP2001207863A (ja) * 2000-01-21 2001-08-03 Hitachi Ltd ガスタービン
EP1221539A2 (fr) * 2001-01-09 2002-07-10 Mitsubishi Heavy Industries, Ltd. Dispositif d'étanchéité d'une virole de turbine
EP1225305A2 (fr) * 2001-01-19 2002-07-24 Mitsubishi Heavy Industries, Ltd. Segment de virole pour turbine à gaz
US6899518B2 (en) * 2002-12-23 2005-05-31 Pratt & Whitney Canada Corp. Turbine shroud segment apparatus for reusing cooling air

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522557A (en) * 1982-01-07 1985-06-11 S.N.E.C.M.A. Cooling device for movable turbine blade collars
JPH0234731U (fr) * 1988-08-30 1990-03-06
JP2001207863A (ja) * 2000-01-21 2001-08-03 Hitachi Ltd ガスタービン
EP1221539A2 (fr) * 2001-01-09 2002-07-10 Mitsubishi Heavy Industries, Ltd. Dispositif d'étanchéité d'une virole de turbine
EP1225305A2 (fr) * 2001-01-19 2002-07-24 Mitsubishi Heavy Industries, Ltd. Segment de virole pour turbine à gaz
US6899518B2 (en) * 2002-12-23 2005-05-31 Pratt & Whitney Canada Corp. Turbine shroud segment apparatus for reusing cooling air

Also Published As

Publication number Publication date
EP1746254B1 (fr) 2016-03-23
EP1746254A2 (fr) 2007-01-24

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