DE60321575D1 - Turbinenschaufel mit einer geneigten rippe an der spitze - Google Patents

Turbinenschaufel mit einer geneigten rippe an der spitze

Info

Publication number
DE60321575D1
DE60321575D1 DE60321575T DE60321575T DE60321575D1 DE 60321575 D1 DE60321575 D1 DE 60321575D1 DE 60321575 T DE60321575 T DE 60321575T DE 60321575 T DE60321575 T DE 60321575T DE 60321575 D1 DE60321575 D1 DE 60321575D1
Authority
DE
Germany
Prior art keywords
tip
turbine bucket
tilted rib
tilted
rib
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.)
Expired - Lifetime
Application number
DE60321575T
Other languages
German (de)
English (en)
Inventor
David Glenn Cherry
Ching-Pang Lee
Chander Prakash
Aspi Rustom Wadia
Brian David Keith
Steven Robert Brassfield
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
Application granted granted Critical
Publication of DE60321575D1 publication Critical patent/DE60321575D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/292—Three-dimensional machined; miscellaneous tapered

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE60321575T 2002-07-16 2003-07-16 Turbinenschaufel mit einer geneigten rippe an der spitze Expired - Lifetime DE60321575D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/196,623 US6672829B1 (en) 2002-07-16 2002-07-16 Turbine blade having angled squealer tip
PCT/US2003/022663 WO2005014978A1 (en) 2002-07-16 2003-07-16 Turbine blade having angled squealer tip

Publications (1)

Publication Number Publication Date
DE60321575D1 true DE60321575D1 (de) 2008-07-24

Family

ID=29735375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60321575T Expired - Lifetime DE60321575D1 (de) 2002-07-16 2003-07-16 Turbinenschaufel mit einer geneigten rippe an der spitze

Country Status (5)

Country Link
US (1) US6672829B1 (enExample)
EP (1) EP1529153B1 (enExample)
JP (1) JP4386891B2 (enExample)
DE (1) DE60321575D1 (enExample)
WO (1) WO2005014978A1 (enExample)

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US9470096B2 (en) 2012-07-26 2016-10-18 General Electric Company Turbine bucket with notched squealer tip
US9045988B2 (en) 2012-07-26 2015-06-02 General Electric Company Turbine bucket with squealer tip
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US10655473B2 (en) * 2012-12-13 2020-05-19 United Technologies Corporation Gas turbine engine turbine blade leading edge tip trench cooling
US9453419B2 (en) * 2012-12-28 2016-09-27 United Technologies Corporation Gas turbine engine turbine blade tip cooling
US8920124B2 (en) 2013-02-14 2014-12-30 Siemens Energy, Inc. Turbine blade with contoured chamfered squealer tip
US10760499B2 (en) * 2013-03-14 2020-09-01 Pratt & Whitney Canada Corp. Turbo-machinery rotors with rounded tip edge
US9856739B2 (en) * 2013-09-18 2018-01-02 Honeywell International Inc. Turbine blades with tip portions having converging cooling holes
EP3055507B1 (en) * 2013-10-08 2020-01-01 United Technologies Corporation Rotor blade with compound lean contour and corresponding gas turbine engine
US9879544B2 (en) 2013-10-16 2018-01-30 Honeywell International Inc. Turbine rotor blades with improved tip portion cooling holes
US9816389B2 (en) 2013-10-16 2017-11-14 Honeywell International Inc. Turbine rotor blades with tip portion parapet wall cavities
US9638041B2 (en) 2013-10-23 2017-05-02 General Electric Company Turbine bucket having non-axisymmetric base contour
US9528379B2 (en) 2013-10-23 2016-12-27 General Electric Company Turbine bucket having serpentine core
US9797258B2 (en) 2013-10-23 2017-10-24 General Electric Company Turbine bucket including cooling passage with turn
US9670784B2 (en) 2013-10-23 2017-06-06 General Electric Company Turbine bucket base having serpentine cooling passage with leading edge cooling
US9551226B2 (en) 2013-10-23 2017-01-24 General Electric Company Turbine bucket with endwall contour and airfoil profile
US20150110617A1 (en) * 2013-10-23 2015-04-23 General Electric Company Turbine airfoil including tip fillet
US10626730B2 (en) 2013-12-17 2020-04-21 United Technologies Corporation Enhanced cooling for blade tip
EP3094824B1 (en) 2014-01-17 2018-11-07 General Electric Company Ceramic matrix composite turbine blade squealer tip with flare and method thereof
US10041358B2 (en) 2014-05-08 2018-08-07 United Technologies Corporation Gas turbine engine blade squealer pockets
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US10196913B1 (en) * 2014-12-17 2019-02-05 United Technologies Corporation Featherseal having tapered radial portion
US10107108B2 (en) * 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10053992B2 (en) 2015-07-02 2018-08-21 United Technologies Corporation Gas turbine engine airfoil squealer pocket cooling hole configuration
FR3043715B1 (fr) * 2015-11-16 2020-11-06 Snecma Aube de turbine comprenant une pale avec baignoire comportant un intrados incurve dans la region du sommet de pale
US10253637B2 (en) 2015-12-11 2019-04-09 General Electric Company Method and system for improving turbine blade performance
US10633983B2 (en) 2016-03-07 2020-04-28 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines
US10385865B2 (en) 2016-03-07 2019-08-20 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines
US10184342B2 (en) 2016-04-14 2019-01-22 General Electric Company System for cooling seal rails of tip shroud of turbine blade
FR3053386B1 (fr) * 2016-06-29 2020-03-20 Safran Helicopter Engines Roue de turbine
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US11434770B2 (en) 2017-03-28 2022-09-06 Raytheon Technologies Corporation Tip cooling design
US11319819B2 (en) * 2017-05-30 2022-05-03 Siemens Energy Global GmbH & Co. KG Turbine blade with squealer tip and densified oxide dispersion strengthened layer
JP6979382B2 (ja) * 2018-03-29 2021-12-15 三菱重工業株式会社 タービン動翼、及びガスタービン
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Also Published As

Publication number Publication date
JP2006511757A (ja) 2006-04-06
JP4386891B2 (ja) 2009-12-16
US20040013515A1 (en) 2004-01-22
WO2005014978A1 (en) 2005-02-17
EP1529153A1 (en) 2005-05-11
US6672829B1 (en) 2004-01-06
EP1529153B1 (en) 2008-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition