IT1217472B - Pala di turbina con sfiato di sommita' - Google Patents

Pala di turbina con sfiato di sommita'

Info

Publication number
IT1217472B
IT1217472B IT20426/88A IT2042688A IT1217472B IT 1217472 B IT1217472 B IT 1217472B IT 20426/88 A IT20426/88 A IT 20426/88A IT 2042688 A IT2042688 A IT 2042688A IT 1217472 B IT1217472 B IT 1217472B
Authority
IT
Italy
Prior art keywords
breather
summit
turbine shovel
shovel
turbine
Prior art date
Application number
IT20426/88A
Other languages
English (en)
Other versions
IT8820426A0 (it
Inventor
Bruce Theron Praddy
Quentin Eldrid Sacheverel
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8820426A0 publication Critical patent/IT8820426A0/it
Application granted granted Critical
Publication of IT1217472B publication Critical patent/IT1217472B/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
    • F01D5/187—Convection cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT20426/88A 1987-05-11 1988-05-03 Pala di turbina con sfiato di sommita' IT1217472B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/048,700 US4761116A (en) 1987-05-11 1987-05-11 Turbine blade with tip vent

Publications (2)

Publication Number Publication Date
IT8820426A0 IT8820426A0 (it) 1988-05-03
IT1217472B true IT1217472B (it) 1990-03-22

Family

ID=21955963

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20426/88A IT1217472B (it) 1987-05-11 1988-05-03 Pala di turbina con sfiato di sommita'

Country Status (7)

Country Link
US (1) US4761116A (it)
JP (1) JPS6419101A (it)
CA (1) CA1285882C (it)
DE (1) DE3815522A1 (it)
FR (1) FR2615243A1 (it)
GB (1) GB2204645A (it)
IT (1) IT1217472B (it)

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US5700131A (en) * 1988-08-24 1997-12-23 United Technologies Corporation Cooled blades for a gas turbine engine
US5720431A (en) * 1988-08-24 1998-02-24 United Technologies Corporation Cooled blades for a gas turbine engine
FR2661944B1 (fr) * 1990-05-14 1994-06-10 Alsthom Gec Etage de turbomachine avec pertes secondaires reduites.
FR2661946B1 (fr) * 1990-05-14 1994-06-10 Alsthom Gec Etage de turbine a action avec pertes secondaires reduites.
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
JPH0510102A (ja) * 1991-07-02 1993-01-19 Hitachi Ltd ガスタービン翼及びガスタービン装置
EP0730704B1 (en) * 1993-11-24 1997-07-09 United Technologies Corporation Cooled turbine airfoil
US5503527A (en) * 1994-12-19 1996-04-02 General Electric Company Turbine blade having tip slot
US5669759A (en) * 1995-02-03 1997-09-23 United Technologies Corporation Turbine airfoil with enhanced cooling
GB9607578D0 (en) * 1996-04-12 1996-06-12 Rolls Royce Plc Turbine rotor blades
US5733102A (en) * 1996-12-17 1998-03-31 General Electric Company Slot cooled blade tip
JPH10245658A (ja) * 1997-03-05 1998-09-14 Mitsubishi Heavy Ind Ltd 高Ｃｒ精密鋳造材及びタービン翼
FR2765265B1 (fr) * 1997-06-26 1999-08-20 Snecma Aubage refroidi par rampe helicoidale, par impact en cascade et par systeme a pontets dans une double peau
US5902093A (en) * 1997-08-22 1999-05-11 General Electric Company Crack arresting rotor blade
US5927946A (en) * 1997-09-29 1999-07-27 General Electric Company Turbine blade having recuperative trailing edge tip cooling
EP1147291B1 (en) 1998-02-26 2007-08-22 Allison Advanced Development Company Compressor endwall bleed system and method of operation
US6077035A (en) * 1998-03-27 2000-06-20 Pratt & Whitney Canada Corp. Deflector for controlling entry of cooling air leakage into the gaspath of a gas turbine engine
WO2000019065A1 (de) 1998-09-30 2000-04-06 Siemens Aktiengesellschaft Gasturbinenlaufschaufel und verfahren zur herstellung einer gasturbinenlaufschaufel
EP1219381A1 (de) * 2000-12-27 2002-07-03 Siemens Aktiengesellschaft Verfahren zum Laserschweissen eines Werkstückes
US6491496B2 (en) * 2001-02-23 2002-12-10 General Electric Company Turbine airfoil with metering plates for refresher holes
US6494678B1 (en) 2001-05-31 2002-12-17 General Electric Company Film cooled blade tip
JP2003078310A (ja) * 2001-09-04 2003-03-14 Murata Mfg Co Ltd 高周波用線路変換器、部品、モジュールおよび通信装置
US6735956B2 (en) * 2001-10-26 2004-05-18 Pratt & Whitney Canada Corp. High pressure turbine blade cooling scoop
DE10331635B4 (de) * 2003-07-12 2014-02-13 Alstom Technology Ltd. Gekühlte Schaufel für eine Gasturbine
US20070122280A1 (en) * 2005-11-30 2007-05-31 General Electric Company Method and apparatus for reducing axial compressor blade tip flow
US7695243B2 (en) * 2006-07-27 2010-04-13 General Electric Company Dust hole dome blade
US8512003B2 (en) * 2006-08-21 2013-08-20 General Electric Company Tip ramp turbine blade
US20080317597A1 (en) * 2007-06-25 2008-12-25 General Electric Company Domed tip cap and related method
JP5029957B2 (ja) * 2007-11-01 2012-09-19 株式会社Ｉｈｉ スキーラ付きタービン動翼
US8167536B2 (en) * 2009-03-04 2012-05-01 Siemens Energy, Inc. Turbine blade leading edge tip cooling system
US8371817B2 (en) * 2009-09-15 2013-02-12 General Electric Company Apparatus and method for a turbine bucket tip cap
US8764379B2 (en) * 2010-02-25 2014-07-01 General Electric Company Turbine blade with shielded tip coolant supply passageway
US9273561B2 (en) * 2012-08-03 2016-03-01 General Electric Company Cooling structures for turbine rotor blade tips
EP2725195B1 (en) 2012-10-26 2019-09-25 Rolls-Royce plc Turbine blade and corresponding rotor stage
US10329916B2 (en) * 2014-05-01 2019-06-25 United Technologies Corporation Splayed tip features for gas turbine engine airfoil
US20150345301A1 (en) * 2014-05-29 2015-12-03 General Electric Company Rotor blade cooling flow
US9810074B2 (en) 2014-07-07 2017-11-07 Siemens Aktiengesellschaft Segmented turbine blade squealer tip and cooling method
US10001019B2 (en) * 2015-03-04 2018-06-19 General Electric Company Turbine rotor blade
US20160258302A1 (en) * 2015-03-05 2016-09-08 General Electric Company Airfoil and method for managing pressure at tip of airfoil
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US20160319672A1 (en) * 2015-04-29 2016-11-03 General Electric Company Rotor blade having a flared tip
JP6025941B1 (ja) 2015-08-25 2016-11-16 三菱日立パワーシステムズ株式会社 タービン動翼、及び、ガスタービン
US10273810B2 (en) 2016-10-26 2019-04-30 General Electric Company Partially wrapped trailing edge cooling circuit with pressure side serpentine cavities
US10240465B2 (en) 2016-10-26 2019-03-26 General Electric Company Cooling circuits for a multi-wall blade
US10352176B2 (en) 2016-10-26 2019-07-16 General Electric Company Cooling circuits for a multi-wall blade
US10233761B2 (en) 2016-10-26 2019-03-19 General Electric Company Turbine airfoil trailing edge coolant passage created by cover
US10598028B2 (en) 2016-10-26 2020-03-24 General Electric Company Edge coupon including cooling circuit for airfoil
US10309227B2 (en) 2016-10-26 2019-06-04 General Electric Company Multi-turn cooling circuits for turbine blades
US10450950B2 (en) 2016-10-26 2019-10-22 General Electric Company Turbomachine blade with trailing edge cooling circuit
US10301946B2 (en) 2016-10-26 2019-05-28 General Electric Company Partially wrapped trailing edge cooling circuits with pressure side impingements
US10465521B2 (en) 2016-10-26 2019-11-05 General Electric Company Turbine airfoil coolant passage created in cover
US10450875B2 (en) * 2016-10-26 2019-10-22 General Electric Company Varying geometries for cooling circuits of turbine blades
US10443405B2 (en) 2017-05-10 2019-10-15 General Electric Company Rotor blade tip
US10830082B2 (en) 2017-05-10 2020-11-10 General Electric Company Systems including rotor blade tips and circumferentially grooved shrouds
WO2020092234A1 (en) * 2018-10-29 2020-05-07 Chromalloy Gas Turbine Llc Method and apparatus for improving cooling of a turbine shroud
US11339668B2 (en) 2018-10-29 2022-05-24 Chromalloy Gas Turbine Llc Method and apparatus for improving cooling of a turbine shroud
US11136890B1 (en) 2020-03-25 2021-10-05 General Electric Company Cooling circuit for a turbomachine component
US12123319B2 (en) 2020-12-30 2024-10-22 Ge Infrastructure Technology Llc Cooling circuit having a bypass conduit for a turbomachine component
US11814965B2 (en) 2021-11-10 2023-11-14 General Electric Company Turbomachine blade trailing edge cooling circuit with turn passage having set of obstructions

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Publication number Priority date Publication date Assignee Title
US3533712A (en) * 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
FR1605460A (it) * 1966-11-24 1976-05-14
US3628885A (en) * 1969-10-01 1971-12-21 Gen Electric Fluid-cooled airfoil
US3635585A (en) * 1969-12-23 1972-01-18 Westinghouse Electric Corp Gas-cooled turbine blade
GB1423833A (en) * 1972-04-20 1976-02-04 Rolls Royce Rotor blades for fluid flow machines
DE2231426C3 (de) * 1972-06-27 1974-11-28 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Deckbandlose, innen gekühlte Axialturbinenlaufschaufel
GB1426049A (en) * 1972-10-21 1976-02-25 Rolls Royce Rotor blade for a gas turbine engine
US3982851A (en) * 1975-09-02 1976-09-28 General Electric Company Tip cap apparatus
US4142824A (en) * 1977-09-02 1979-03-06 General Electric Company Tip cooling for turbine blades
US4224011A (en) * 1977-10-08 1980-09-23 Rolls-Royce Limited Cooled rotor blade for a gas turbine engine
US4247254A (en) * 1978-12-22 1981-01-27 General Electric Company Turbomachinery blade with improved tip cap
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
US4411597A (en) * 1981-03-20 1983-10-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Tip cap for a rotor blade
MX155481A (es) * 1981-09-02 1988-03-17 Westinghouse Electric Corp Pala de rotor de turbina
US4606701A (en) * 1981-09-02 1986-08-19 Westinghouse Electric Corp. Tip structure for a cooled turbine rotor blade
US4424001A (en) * 1981-12-04 1984-01-03 Westinghouse Electric Corp. Tip structure for cooled turbine rotor blade

Also Published As

Publication number Publication date
GB8811105D0 (en) 1988-06-15
CA1285882C (en) 1991-07-09
DE3815522A1 (de) 1988-11-24
JPS6419101A (en) 1989-01-23
US4761116A (en) 1988-08-02
FR2615243A1 (fr) 1988-11-18
GB2204645A (en) 1988-11-16
IT8820426A0 (it) 1988-05-03

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