EP2798174A4 - Turbine blades in a gas turbine engine - Google Patents

Turbine blades in a gas turbine engine

Info

Publication number
EP2798174A4
EP2798174A4 EP12871456.5A EP12871456A EP2798174A4 EP 2798174 A4 EP2798174 A4 EP 2798174A4 EP 12871456 A EP12871456 A EP 12871456A EP 2798174 A4 EP2798174 A4 EP 2798174A4
Authority
EP
European Patent Office
Prior art keywords
turbine
blades
gas turbine
engine
turbine engine
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.)
Withdrawn
Application number
EP12871456.5A
Other languages
German (de)
French (fr)
Other versions
EP2798174A1 (en
Inventor
Om P Sharma
Michael F Blair
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.)
Raytheon Technologies 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
Priority claimed from US13/340,019 external-priority patent/US8973374B2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2798174A1 publication Critical patent/EP2798174A1/en
Publication of EP2798174A4 publication Critical patent/EP2798174A4/en
Withdrawn legal-status Critical Current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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • 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
    • F05D2260/231—Preventing heat transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP12871456.5A 2011-12-29 2012-12-20 Turbine blades in a gas turbine engine Withdrawn EP2798174A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/340,019 US8973374B2 (en) 2007-09-06 2011-12-29 Blades in a turbine section of a gas turbine engine
PCT/US2012/070861 WO2013137960A1 (en) 2011-12-29 2012-12-20 Turbine blades in a gas turbine engine

Publications (2)

Publication Number Publication Date
EP2798174A1 EP2798174A1 (en) 2014-11-05
EP2798174A4 true EP2798174A4 (en) 2015-08-19

Family

ID=49161646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12871456.5A Withdrawn EP2798174A4 (en) 2011-12-29 2012-12-20 Turbine blades in a gas turbine engine

Country Status (2)

Country Link
EP (1) EP2798174A4 (en)
WO (1) WO2013137960A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943856A (en) * 1995-08-29 1999-08-31 Burbank Aeronautical Corporation Ii Turbofan engine with reduced noise
EP2228516A2 (en) * 2009-03-10 2010-09-15 General Electric Company A method and apparatus for gas turbine engine temperature management
US20110247343A1 (en) * 2007-09-06 2011-10-13 United Technologies Corporation Gas turbine engine systems and related methods involving vane-blade count ratios greater than unity

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079197A (en) * 1998-01-02 2000-06-27 Siemens Westinghouse Power Corporation High temperature compression and reheat gas turbine cycle and related method
US7926289B2 (en) * 2006-11-10 2011-04-19 General Electric Company Dual interstage cooled engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943856A (en) * 1995-08-29 1999-08-31 Burbank Aeronautical Corporation Ii Turbofan engine with reduced noise
US20110247343A1 (en) * 2007-09-06 2011-10-13 United Technologies Corporation Gas turbine engine systems and related methods involving vane-blade count ratios greater than unity
EP2228516A2 (en) * 2009-03-10 2010-09-15 General Electric Company A method and apparatus for gas turbine engine temperature management

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013137960A1 *

Also Published As

Publication number Publication date
EP2798174A1 (en) 2014-11-05
WO2013137960A1 (en) 2013-09-19

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150722

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 5/18 20060101ALI20150716BHEP

Ipc: F01D 5/06 20060101ALI20150716BHEP

Ipc: F02C 3/14 20060101AFI20150716BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: UNITED TECHNOLOGIES CORPORATION

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Effective date: 20170113

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Effective date: 20181004