IT1154377B - Struttura di punta perfezionata per palette raffreddate di rotore di turbina - Google Patents

Struttura di punta perfezionata per palette raffreddate di rotore di turbina

Info

Publication number
IT1154377B
IT1154377B IT24532/82A IT2453282A IT1154377B IT 1154377 B IT1154377 B IT 1154377B IT 24532/82 A IT24532/82 A IT 24532/82A IT 2453282 A IT2453282 A IT 2453282A IT 1154377 B IT1154377 B IT 1154377B
Authority
IT
Italy
Prior art keywords
bucks
perfected
toe
turbine rotor
rotor cooled
Prior art date
Application number
IT24532/82A
Other languages
English (en)
Other versions
IT8224532A0 (it
Inventor
William E North
Clay Augustine C Mac
Original Assignee
Westinghouse Electric 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8224532A0 publication Critical patent/IT8224532A0/it
Application granted granted Critical
Publication of IT1154377B publication Critical patent/IT1154377B/it

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT24532/82A 1981-12-04 1982-12-01 Struttura di punta perfezionata per palette raffreddate di rotore di turbina IT1154377B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/327,541 US4424001A (en) 1981-12-04 1981-12-04 Tip structure for cooled turbine rotor blade

Publications (2)

Publication Number Publication Date
IT8224532A0 IT8224532A0 (it) 1982-12-01
IT1154377B true IT1154377B (it) 1987-01-21

Family

ID=23276972

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24532/82A IT1154377B (it) 1981-12-04 1982-12-01 Struttura di punta perfezionata per palette raffreddate di rotore di turbina

Country Status (9)

Country Link
US (1) US4424001A (it)
JP (2) JPS58104303A (it)
AR (1) AR229376A1 (it)
BE (1) BE895210A (it)
BR (1) BR8206920A (it)
CA (1) CA1187811A (it)
GB (1) GB2111131B (it)
IT (1) IT1154377B (it)
MX (1) MX158716A (it)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606701A (en) * 1981-09-02 1986-08-19 Westinghouse Electric Corp. Tip structure for a cooled turbine rotor blade
DE3308140C2 (de) * 1983-03-08 1985-12-19 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Mehrstufige Gasturbine
US4682933A (en) * 1984-10-17 1987-07-28 Rockwell International Corporation Labyrinthine turbine-rotor-blade tip seal
US4863348A (en) * 1987-02-06 1989-09-05 Weinhold Wolfgang P Blade, especially a rotor blade
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
US4893987A (en) * 1987-12-08 1990-01-16 General Electric Company Diffusion-cooled blade tip cap
US5720431A (en) * 1988-08-24 1998-02-24 United Technologies Corporation Cooled blades for a gas turbine engine
US5700131A (en) * 1988-08-24 1997-12-23 United Technologies Corporation Cooled blades for a gas turbine engine
US5017402A (en) * 1988-12-21 1991-05-21 United Technologies Corporation Method of coating abradable seal assembly
US5192192A (en) * 1990-11-28 1993-03-09 The United States Of America As Represented By The Secretary Of The Air Force Turbine engine foil cap
US5261789A (en) * 1992-08-25 1993-11-16 General Electric Company Tip cooled blade
US5503527A (en) * 1994-12-19 1996-04-02 General Electric Company Turbine blade having tip slot
GB9607578D0 (en) * 1996-04-12 1996-06-12 Rolls Royce Plc Turbine rotor blades
JP3453268B2 (ja) * 1997-03-04 2003-10-06 三菱重工業株式会社 ガスタービン翼
US5927946A (en) * 1997-09-29 1999-07-27 General Electric Company Turbine blade having recuperative trailing edge tip cooling
US6086328A (en) * 1998-12-21 2000-07-11 General Electric Company Tapered tip turbine blade
US6190129B1 (en) 1998-12-21 2001-02-20 General Electric Company Tapered tip-rib turbine blade
US6059530A (en) * 1998-12-21 2000-05-09 General Electric Company Twin rib turbine blade
US6422821B1 (en) * 2001-01-09 2002-07-23 General Electric Company Method and apparatus for reducing turbine blade tip temperatures
US7034644B2 (en) * 2003-01-02 2006-04-25 Eaton Corporation Non-contact auxiliary switch and electric power apparatus incorporating same
US6824359B2 (en) * 2003-01-31 2004-11-30 United Technologies Corporation Turbine blade
FR2853931A1 (fr) * 2003-04-16 2004-10-22 Snecma Moteurs Reduction de jeux dans une turbine a gaz
US7029235B2 (en) * 2004-04-30 2006-04-18 Siemens Westinghouse Power Corporation Cooling system for a tip of a turbine blade
WO2007053157A2 (en) * 2004-12-07 2007-05-10 Dean Jack A Turbine engine
RU2425982C2 (ru) * 2005-04-14 2011-08-10 Альстом Текнолоджи Лтд Лопатка газовой турбины
FR2885645A1 (fr) * 2005-05-13 2006-11-17 Snecma Moteurs Sa Aube creuse de rotor pour la turbine d'un moteur a turbine a gaz, equipee d'une baignoire
US20070237627A1 (en) * 2006-03-31 2007-10-11 Bunker Ronald S Offset blade tip chord sealing system and method for rotary machines
US7513743B2 (en) * 2006-05-02 2009-04-07 Siemens Energy, Inc. Turbine blade with wavy squealer tip rail
US7520723B2 (en) * 2006-07-07 2009-04-21 Siemens Energy, Inc. Turbine airfoil cooling system with near wall vortex cooling chambers
US8632311B2 (en) * 2006-08-21 2014-01-21 General Electric Company Flared tip turbine blade
US8512003B2 (en) * 2006-08-21 2013-08-20 General Electric Company Tip ramp turbine blade
US7686578B2 (en) * 2006-08-21 2010-03-30 General Electric Company Conformal tip baffle airfoil
US8500396B2 (en) * 2006-08-21 2013-08-06 General Electric Company Cascade tip baffle airfoil
US7607893B2 (en) * 2006-08-21 2009-10-27 General Electric Company Counter tip baffle airfoil
US8425183B2 (en) * 2006-11-20 2013-04-23 General Electric Company Triforial tip cavity airfoil
US8011889B1 (en) * 2007-09-07 2011-09-06 Florida Turbine Technologies, Inc. Turbine blade with trailing edge tip corner cooling
GB0724612D0 (en) * 2007-12-19 2008-01-30 Rolls Royce Plc Rotor blades
GB0901129D0 (en) * 2009-01-26 2009-03-11 Rolls Royce Plc Rotor blade
US8186965B2 (en) * 2009-05-27 2012-05-29 General Electric Company Recovery tip turbine blade
KR101324249B1 (ko) 2011-12-06 2013-11-01 삼성테크윈 주식회사 스퀼러 팁이 형성된 블레이드를 구비한 터빈 임펠러
EP2789799B1 (en) * 2011-12-07 2020-03-18 Mitsubishi Hitachi Power Systems, Ltd. Turbine rotor blade, corresponding gas turbine and method for cooling a turbine rotor blade
WO2013102135A2 (en) * 2011-12-29 2013-07-04 Rolls-Royce North American Technologies Inc. Gas turbine engine and turbine blade
US9546554B2 (en) 2012-09-27 2017-01-17 Honeywell International Inc. Gas turbine engine components with blade tip cooling
US10641107B2 (en) 2012-10-26 2020-05-05 Rolls-Royce Plc Turbine blade with tip overhang along suction side
US9835087B2 (en) 2014-09-03 2017-12-05 General Electric Company Turbine bucket
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10533429B2 (en) * 2017-02-27 2020-01-14 Rolls-Royce Corporation Tip structure for a turbine blade with pressure side and suction side rails
JP6871770B2 (ja) * 2017-03-17 2021-05-12 三菱重工業株式会社 タービン動翼、及びガスタービン
US11118462B2 (en) * 2019-01-24 2021-09-14 Pratt & Whitney Canada Corp. Blade tip pocket rib
US11371359B2 (en) 2020-11-26 2022-06-28 Pratt & Whitney Canada Corp. Turbine blade for a gas turbine engine
US11746661B2 (en) * 2021-06-24 2023-09-05 Doosan Enerbility Co., Ltd. Turbine blade and turbine including the same

Also Published As

Publication number Publication date
BE895210A (fr) 1983-06-01
IT8224532A0 (it) 1982-12-01
JPS61114005U (it) 1986-07-18
JPS58104303A (ja) 1983-06-21
MX158716A (es) 1989-03-03
AR229376A1 (es) 1983-07-29
JPS6349522Y2 (it) 1988-12-20
CA1187811A (en) 1985-05-28
US4424001A (en) 1984-01-03
BR8206920A (pt) 1983-10-04
GB2111131A (en) 1983-06-29
GB2111131B (en) 1985-09-04

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Effective date: 19961230