JP4152184B2 - 下降段を有するタービンのプラットフォーム - Google Patents

下降段を有するタービンのプラットフォーム Download PDF

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Publication number
JP4152184B2
JP4152184B2 JP2002380103A JP2002380103A JP4152184B2 JP 4152184 B2 JP4152184 B2 JP 4152184B2 JP 2002380103 A JP2002380103 A JP 2002380103A JP 2002380103 A JP2002380103 A JP 2002380103A JP 4152184 B2 JP4152184 B2 JP 4152184B2
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JP
Japan
Prior art keywords
platform
edge
side edge
airfoil
turbine
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 - Fee Related
Application number
JP2002380103A
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English (en)
Japanese (ja)
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JP2003227301A5 (enExample
JP2003227301A (ja
Inventor
レスリー・ユージーン・リーケ
ショーン・ロバート・キース
ローレンス・ポール・チムコ
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General Electric Co
Original Assignee
General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2003227301A publication Critical patent/JP2003227301A/ja
Publication of JP2003227301A5 publication Critical patent/JP2003227301A5/ja
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Publication of JP4152184B2 publication Critical patent/JP4152184B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2002380103A 2002-01-07 2002-12-27 下降段を有するタービンのプラットフォーム Expired - Fee Related JP4152184B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/040660 2002-01-07
US10/040,660 US6672832B2 (en) 2002-01-07 2002-01-07 Step-down turbine platform

Publications (3)

Publication Number Publication Date
JP2003227301A JP2003227301A (ja) 2003-08-15
JP2003227301A5 JP2003227301A5 (enExample) 2006-02-16
JP4152184B2 true JP4152184B2 (ja) 2008-09-17

Family

ID=21912228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002380103A Expired - Fee Related JP4152184B2 (ja) 2002-01-07 2002-12-27 下降段を有するタービンのプラットフォーム

Country Status (4)

Country Link
US (1) US6672832B2 (enExample)
EP (1) EP1326005B1 (enExample)
JP (1) JP4152184B2 (enExample)
DE (1) DE60206129T2 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7238008B2 (en) * 2004-05-28 2007-07-03 General Electric Company Turbine blade retainer seal
US7118342B2 (en) * 2004-09-09 2006-10-10 General Electric Company Fluted tip turbine blade
US7195454B2 (en) * 2004-12-02 2007-03-27 General Electric Company Bullnose step turbine nozzle
US7189056B2 (en) * 2005-05-31 2007-03-13 Pratt & Whitney Canada Corp. Blade and disk radial pre-swirlers
US7244104B2 (en) * 2005-05-31 2007-07-17 Pratt & Whitney Canada Corp. Deflectors for controlling entry of fluid leakage into the working fluid flowpath of a gas turbine engine
US7189055B2 (en) * 2005-05-31 2007-03-13 Pratt & Whitney Canada Corp. Coverplate deflectors for redirecting a fluid flow
US7465152B2 (en) * 2005-09-16 2008-12-16 General Electric Company Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles
US7798768B2 (en) * 2006-10-25 2010-09-21 Siemens Energy, Inc. Turbine vane ID support
JP5283855B2 (ja) * 2007-03-29 2013-09-04 株式会社Ｉｈｉ ターボ機械の壁、及びターボ機械
US8459956B2 (en) * 2008-12-24 2013-06-11 General Electric Company Curved platform turbine blade
US8439643B2 (en) * 2009-08-20 2013-05-14 General Electric Company Biformal platform turbine blade
US8312729B2 (en) * 2009-09-21 2012-11-20 Honeywell International Inc. Flow discouraging systems and gas turbine engines
JP5426305B2 (ja) * 2009-09-30 2014-02-26 株式会社東芝 ターボ機械
DE102009060315A1 (de) * 2009-12-23 2011-06-30 Siemens Aktiengesellschaft, 80333 Zählender Röntgendetektor
US8356975B2 (en) * 2010-03-23 2013-01-22 United Technologies Corporation Gas turbine engine with non-axisymmetric surface contoured vane platform
US9976433B2 (en) 2010-04-02 2018-05-22 United Technologies Corporation Gas turbine engine with non-axisymmetric surface contoured rotor blade platform
US8961135B2 (en) * 2011-06-29 2015-02-24 Siemens Energy, Inc. Mateface gap configuration for gas turbine engine
US9267386B2 (en) 2012-06-29 2016-02-23 United Technologies Corporation Fairing assembly
EP2885506B8 (en) 2012-08-17 2021-03-31 Raytheon Technologies Corporation Contoured flowpath surface
US20140154068A1 (en) * 2012-09-28 2014-06-05 United Technologies Corporation Endwall Controuring
GB201406822D0 (en) * 2014-04-16 2014-05-28 Rolls Royce Plc Method of designing guide vane formations
US10480333B2 (en) * 2017-05-30 2019-11-19 United Technologies Corporation Turbine blade including balanced mateface condition
US10577955B2 (en) 2017-06-29 2020-03-03 General Electric Company Airfoil assembly with a scalloped flow surface
SG11202104506VA (en) 2018-11-05 2021-05-28 Sumitomo Seika Chemicals Water-absorbing resin
US12442309B2 (en) * 2019-09-12 2025-10-14 General Electric Company Nozzle assembly for turbine engine
US11415010B1 (en) * 2021-07-05 2022-08-16 Doosan Enerbility Co., Ltd. Turbine nozzle and gas turbine including the same
US11885498B2 (en) * 2022-01-31 2024-01-30 General Electric Company Turbine engine with fuel system including a catalytic reformer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB868100A (en) * 1957-09-12 1961-05-17 Bbc Brown Boveri & Cie Blading for axial flow turbines
US3577735A (en) * 1969-11-05 1971-05-04 Bolkow Ges Mit Beschrankter Liquid fuel rocket engine construction
JPS5267404A (en) * 1975-12-01 1977-06-03 Hitachi Ltd Blades structure
US4135857A (en) 1977-06-09 1979-01-23 United Technologies Corporation Reduced drag airfoil platforms
GB2042675A (en) * 1979-02-15 1980-09-24 Rolls Royce Secondary Flow Control in Axial Fluid Flow Machine
JPS5688901A (en) * 1979-12-19 1981-07-18 Hitachi Ltd Staged turbine construction
DE3023466C2 (de) * 1980-06-24 1982-11-25 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur Verminderung von Sekundärströmungsverlusten in einem beschaufelten Strömungskanal
JPS58162702A (ja) 1982-03-23 1983-09-27 Mitsubishi Heavy Ind Ltd 軸流タ−ボ機械
US4583914A (en) * 1982-06-14 1986-04-22 United Technologies Corp. Rotor blade for a rotary machine
US4741667A (en) * 1986-05-28 1988-05-03 United Technologies Corporation Stator vane
US5020970A (en) 1989-07-13 1991-06-04 Dresser-Rand Company Fluid-handling, bladed rotor
EP0902167B1 (de) 1997-09-15 2003-10-29 ALSTOM (Switzerland) Ltd Kühlvorrichtung für Gasturbinenkomponenten
JPH11193701A (ja) 1997-10-31 1999-07-21 General Electric Co <Ge> タービン翼
US5993160A (en) * 1997-12-11 1999-11-30 Pratt & Whitney Canada Inc. Cover plate for gas turbine rotor
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
US6158961A (en) * 1998-10-13 2000-12-12 General Electric Compnay Truncated chamfer turbine blade
DE19856199A1 (de) * 1998-12-05 2000-06-08 Abb Alstom Power Ch Ag Kühlung in Gasturbinen

Also Published As

Publication number Publication date
US20030129055A1 (en) 2003-07-10
EP1326005A2 (en) 2003-07-09
EP1326005A3 (en) 2003-12-10
EP1326005B1 (en) 2005-09-14
DE60206129T2 (de) 2006-06-22
DE60206129D1 (de) 2005-10-20
JP2003227301A (ja) 2003-08-15
US6672832B2 (en) 2004-01-06

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