ITMI20101919A1 - Gas turbine provided with a circuit for the cooling of the sections of the top 'of rotor blades - Google Patents

Gas turbine provided with a circuit for the cooling of the sections of the top 'of rotor blades

Info

Publication number
ITMI20101919A1
ITMI20101919A1 ITMI20101919A ITMI20101919A1 IT MI20101919 A1 ITMI20101919 A1 IT MI20101919A1 IT MI20101919 A ITMI20101919 A IT MI20101919A IT MI20101919 A1 ITMI20101919 A1 IT MI20101919A1
Authority
IT
Italy
Prior art keywords
sections
cooling
circuit
gas turbine
rotor blades
Prior art date
Application number
Other languages
Italian (it)
Inventor
Massimiliano Maritano
Original Assignee
Ansaldo Energia Spa
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 Spa filed Critical Ansaldo Energia Spa
Priority to ITMI20101919 priority Critical patent/ITMI20101919A1/en
Publication of ITMI20101919A1 publication Critical patent/ITMI20101919A1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/20Three-dimensional
    • F05D2250/23Three-dimensional prismatic
    • F05D2250/232Three-dimensional prismatic conical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/30Arrangement of components
    • F05D2250/32Arrangement of components according to their shape
    • F05D2250/323Arrangement of components according to their shape convergent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/70Shape
    • F05D2250/71Shape curved
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/201Heat transfer, e.g. cooling by impingement of a fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/202Heat transfer, e.g. cooling by film cooling
ITMI20101919 2010-10-20 2010-10-20 Gas turbine provided with a circuit for the cooling of the sections of the top 'of rotor blades ITMI20101919A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITMI20101919 ITMI20101919A1 (en) 2010-10-20 2010-10-20 Gas turbine provided with a circuit for the cooling of the sections of the top 'of rotor blades

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI20101919 ITMI20101919A1 (en) 2010-10-20 2010-10-20 Gas turbine provided with a circuit for the cooling of the sections of the top 'of rotor blades
PCT/IB2011/054698 WO2012052961A1 (en) 2010-10-20 2011-10-20 Gas turbine provided with a cooling circuit for tip sections of rotor blades
EP11804793.5A EP2630337A1 (en) 2010-10-20 2011-10-20 Gas turbine provided with a cooling circuit for tip sections of rotor blades

Publications (1)

Publication Number Publication Date
ITMI20101919A1 true ITMI20101919A1 (en) 2012-04-21

Family

ID=43738043

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI20101919 ITMI20101919A1 (en) 2010-10-20 2010-10-20 Gas turbine provided with a circuit for the cooling of the sections of the top 'of rotor blades

Country Status (3)

Country Link
EP (1) EP2630337A1 (en)
IT (1) ITMI20101919A1 (en)
WO (1) WO2012052961A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201311333D0 (en) * 2013-06-26 2013-08-14 Rolls Royce Plc Component for use in releasing a flow of material into an environment subject to periodic fluctuations in pressure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155778A (en) * 1998-12-30 2000-12-05 General Electric Company Recessed turbine shroud
EP1024251B1 (en) * 1999-01-29 2004-11-24 General Electric Company Cooled turbine shroud
EP2009248A1 (en) * 2007-06-25 2008-12-31 Siemens Aktiengesellschaft Turbine arrangement and method of cooling a shroud located at the tip of a turbine blade
GB2444501B (en) * 2006-12-06 2009-01-28 Siemens Ag A gas turbine
US7704039B1 (en) * 2007-03-21 2010-04-27 Florida Turbine Technologies, Inc. BOAS with multiple trenched film cooling slots

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0377364B2 (en) * 1986-08-11 1991-12-10 Kagaku Gijutsucho Koku Uchu Gijutsu Kenkyushocho

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155778A (en) * 1998-12-30 2000-12-05 General Electric Company Recessed turbine shroud
EP1024251B1 (en) * 1999-01-29 2004-11-24 General Electric Company Cooled turbine shroud
GB2444501B (en) * 2006-12-06 2009-01-28 Siemens Ag A gas turbine
US7704039B1 (en) * 2007-03-21 2010-04-27 Florida Turbine Technologies, Inc. BOAS with multiple trenched film cooling slots
EP2009248A1 (en) * 2007-06-25 2008-12-31 Siemens Aktiengesellschaft Turbine arrangement and method of cooling a shroud located at the tip of a turbine blade

Also Published As

Publication number Publication date
WO2012052961A1 (en) 2012-04-26
WO2012052961A8 (en) 2012-08-02
EP2630337A1 (en) 2013-08-28

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