EP3412867B8 - Cooled gas turbine blade - Google Patents

Cooled gas turbine blade Download PDF

Info

Publication number
EP3412867B8
EP3412867B8 EP17174866.8A EP17174866A EP3412867B8 EP 3412867 B8 EP3412867 B8 EP 3412867B8 EP 17174866 A EP17174866 A EP 17174866A EP 3412867 B8 EP3412867 B8 EP 3412867B8
Authority
EP
European Patent Office
Prior art keywords
gas turbine
turbine blade
cooled gas
cooled
blade
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.)
Active
Application number
EP17174866.8A
Other languages
German (de)
French (fr)
Other versions
EP3412867B1 (en
EP3412867A1 (en
Inventor
Shailendra Naik
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.)
Ansaldo Energia Switzerland AG
Original Assignee
Ansaldo Energia Switzerland 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 Ansaldo Energia Switzerland AG filed Critical Ansaldo Energia Switzerland AG
Priority to EP17174866.8A priority Critical patent/EP3412867B8/en
Priority to CN201810580811.1A priority patent/CN108999646A/en
Publication of EP3412867A1 publication Critical patent/EP3412867A1/en
Publication of EP3412867B1 publication Critical patent/EP3412867B1/en
Application granted granted Critical
Publication of EP3412867B8 publication Critical patent/EP3412867B8/en
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
    • 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
    • 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
    • F01D5/186—Film 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
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP17174866.8A 2017-06-07 2017-06-07 Cooled gas turbine blade Active EP3412867B8 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17174866.8A EP3412867B8 (en) 2017-06-07 2017-06-07 Cooled gas turbine blade
CN201810580811.1A CN108999646A (en) 2017-06-07 2018-06-07 Blade for gas turbine and the electric power generating device including the blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17174866.8A EP3412867B8 (en) 2017-06-07 2017-06-07 Cooled gas turbine blade

Publications (3)

Publication Number Publication Date
EP3412867A1 EP3412867A1 (en) 2018-12-12
EP3412867B1 EP3412867B1 (en) 2024-01-03
EP3412867B8 true EP3412867B8 (en) 2024-02-14

Family

ID=59030843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17174866.8A Active EP3412867B8 (en) 2017-06-07 2017-06-07 Cooled gas turbine blade

Country Status (2)

Country Link
EP (1) EP3412867B8 (en)
CN (1) CN108999646A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303374A (en) * 1978-12-15 1981-12-01 General Electric Company Film cooled airfoil body
JPS55114806A (en) * 1979-02-27 1980-09-04 Hitachi Ltd Gas turbine blade
FR2829174B1 (en) * 2001-08-28 2006-01-20 Snecma Moteurs IMPROVEMENTS IN COOLING CIRCUITS FOR GAS TURBINE BLADE
US6981846B2 (en) * 2003-03-12 2006-01-03 Florida Turbine Technologies, Inc. Vortex cooling of turbine blades
US7563073B1 (en) * 2006-10-10 2009-07-21 Florida Turbine Technologies, Inc. Turbine blade with film cooling slot
US7862299B1 (en) * 2007-03-21 2011-01-04 Florida Turbine Technologies, Inc. Two piece hollow turbine blade with serpentine cooling circuits
EP2107215B1 (en) 2008-03-31 2013-10-23 Alstom Technology Ltd Gas turbine airfoil
US8066483B1 (en) * 2008-12-18 2011-11-29 Florida Turbine Technologies, Inc. Turbine airfoil with non-parallel pin fins
US8366392B1 (en) * 2009-05-06 2013-02-05 Florida Turbine Technologies, Inc. Composite air cooled turbine rotor blade
US8585365B1 (en) * 2010-04-13 2013-11-19 Florida Turbine Technologies, Inc. Turbine blade with triple pass serpentine cooling
CN106593543B (en) * 2016-11-28 2018-04-17 西北工业大学 A kind of arch form groove gaseous film control structure for turbo blade

Also Published As

Publication number Publication date
EP3412867B1 (en) 2024-01-03
EP3412867A1 (en) 2018-12-12
CN108999646A (en) 2018-12-14

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