CA2791040A1 - Gas turbine engine airfoil tip recesses - Google Patents

Gas turbine engine airfoil tip recesses Download PDF

Info

Publication number
CA2791040A1
CA2791040A1 CA2791040A CA2791040A CA2791040A1 CA 2791040 A1 CA2791040 A1 CA 2791040A1 CA 2791040 A CA2791040 A CA 2791040A CA 2791040 A CA2791040 A CA 2791040A CA 2791040 A1 CA2791040 A1 CA 2791040A1
Authority
CA
Canada
Prior art keywords
airfoil
tip
recess
gas turbine
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.)
Abandoned
Application number
CA2791040A
Other languages
English (en)
French (fr)
Inventor
Jeffrey Howard Nussbaum
Andrea MacPherson Cox
Leslie Martin Pommer (Deceased)
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 Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CA2791040A1 publication Critical patent/CA2791040A1/en
Abandoned 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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/125—Fluid guiding means, e.g. vanes related to the tip of a stator vane
CA2791040A 2011-10-05 2012-09-27 Gas turbine engine airfoil tip recesses Abandoned CA2791040A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/253,328 2011-10-05
US13/253,328 US20130089421A1 (en) 2011-10-05 2011-10-05 Gas turbine engine airfoil tip recesses

Publications (1)

Publication Number Publication Date
CA2791040A1 true CA2791040A1 (en) 2013-04-05

Family

ID=46968073

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2791040A Abandoned CA2791040A1 (en) 2011-10-05 2012-09-27 Gas turbine engine airfoil tip recesses

Country Status (4)

Country Link
US (1) US20130089421A1 (ja)
EP (1) EP2578805A1 (ja)
JP (1) JP2013083251A (ja)
CA (1) CA2791040A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3095959A1 (en) * 2015-05-22 2016-11-23 Rolls-Royce plc Rotary blade designing and manufacturing method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014212652A1 (de) * 2014-06-30 2016-01-14 MTU Aero Engines AG Strömungsmaschine
US10385865B2 (en) * 2016-03-07 2019-08-20 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines
US10982554B2 (en) * 2016-10-28 2021-04-20 General Electric Company Tip shroud for a turbine engine
EP3324003B1 (en) 2016-11-18 2020-03-18 Ansaldo Energia Switzerland AG Blade to stator heat shield interface in a gas turbine
KR102048874B1 (ko) 2018-04-09 2019-11-26 두산중공업 주식회사 유연성이 향상된 터빈 베인
CN109356884A (zh) * 2018-12-21 2019-02-19 大连海事大学 一种具有仿生顶室的压气机动叶

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1317707A (en) * 1919-10-07 Inghouse electric
US4238170A (en) * 1978-06-26 1980-12-09 United Technologies Corporation Blade tip seal for an axial flow rotary machine
US4349313A (en) * 1979-12-26 1982-09-14 United Technologies Corporation Abradable rub strip
DE3500692A1 (de) * 1985-01-11 1986-07-17 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Axial- oder radiallaufschaufelgitter mit einrichtungen zur konstanthaltung des schaufelspitzenspiels
US6234747B1 (en) * 1999-11-15 2001-05-22 General Electric Company Rub resistant compressor stage
US6568909B2 (en) * 2001-09-26 2003-05-27 General Electric Company Methods and apparatus for improving engine operation
JP2004092533A (ja) * 2002-08-30 2004-03-25 Mitsubishi Heavy Ind Ltd 回転機械の動翼、回転機械の固定壁、及び、回転翼構造
GB0513377D0 (en) * 2005-06-30 2005-08-03 Rolls Royce Plc A blade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3095959A1 (en) * 2015-05-22 2016-11-23 Rolls-Royce plc Rotary blade designing and manufacturing method
US10174623B2 (en) 2015-05-22 2019-01-08 Rolls-Royce Plc Rotary blade manufacturing method

Also Published As

Publication number Publication date
US20130089421A1 (en) 2013-04-11
EP2578805A1 (en) 2013-04-10
JP2013083251A (ja) 2013-05-09

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20160928