DE60206129T2 - Turbinenschaufel mit einer Abwärtsstufe in der Plattform, sowie entsprechende Turbine - Google Patents

Turbinenschaufel mit einer Abwärtsstufe in der Plattform, sowie entsprechende Turbine Download PDF

Info

Publication number
DE60206129T2
DE60206129T2 DE60206129T DE60206129T DE60206129T2 DE 60206129 T2 DE60206129 T2 DE 60206129T2 DE 60206129 T DE60206129 T DE 60206129T DE 60206129 T DE60206129 T DE 60206129T DE 60206129 T2 DE60206129 T2 DE 60206129T2
Authority
DE
Germany
Prior art keywords
platform
edge
turbine
airfoil
edges
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
DE60206129T
Other languages
German (de)
English (en)
Other versions
DE60206129D1 (de
Inventor
Leslie Eugene Burlington Leeke
Lawrence Paul Fairfield Timko
Sean Robert Fairfield Keith
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 DE60206129D1 publication Critical patent/DE60206129D1/de
Publication of DE60206129T2 publication Critical patent/DE60206129T2/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE60206129T 2002-01-07 2002-12-23 Turbinenschaufel mit einer Abwärtsstufe in der Plattform, sowie entsprechende Turbine Expired - Lifetime DE60206129T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40660 2002-01-07
US10/040,660 US6672832B2 (en) 2002-01-07 2002-01-07 Step-down turbine platform

Publications (2)

Publication Number Publication Date
DE60206129D1 DE60206129D1 (de) 2005-10-20
DE60206129T2 true DE60206129T2 (de) 2006-06-22

Family

ID=21912228

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60206129T Expired - Lifetime DE60206129T2 (de) 2002-01-07 2002-12-23 Turbinenschaufel mit einer Abwärtsstufe in der Plattform, sowie entsprechende Turbine

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
JP4152184B2 (ja) 2008-09-17
EP1326005B1 (en) 2005-09-14
DE60206129D1 (de) 2005-10-20
JP2003227301A (ja) 2003-08-15
US6672832B2 (en) 2004-01-06

Similar Documents

Publication Publication Date Title
DE60206129T2 (de) Turbinenschaufel mit einer Abwärtsstufe in der Plattform, sowie entsprechende Turbine
DE60017541T2 (de) Schaufelblatt für eine axiale Turbomaschine
DE69922328T2 (de) Turbinenschaufel mit Doppel-Endrippe
DE602005006362T2 (de) Vielgestaltige Filmkühlungsbohrungen
DE69838201T2 (de) Einteiliger Blisk einer Gasturbine
DE69507509T2 (de) Rotorschaufeln zur verminderung von spaltverlusten
DE69423789T2 (de) Stroemungsleiteinrichtung fuer den kompressorteil einer stroemungsmaschine
DE69515624T2 (de) Compressorgehäuse mit Rezirkulationskanälen
DE602004000633T2 (de) Turbinenschaufel
DE602005001029T2 (de) Turbinenblatt mit Mantel
DE69923746T2 (de) Gasturbinenschaufel mit serpentinenförmigen Kühlkanälen
US7220100B2 (en) Crescentic ramp turbine stage
EP2194232B1 (de) Strömungsmaschine mit Seitenwand-Grenzschicht-Barriere
EP3158167B1 (en) End wall configuration for gas turbine engine
DE102011052591B4 (de) Laufschaufel zur Verwendung bei einer Rotationsmaschine und Turbinenantrieb mit derartiger Laufschaufel
DE102011053930B4 (de) Vorrichtung und Verfahren zur Kühlung von Plattformabschnitten von Turbinenrotorschaufeln
US10030525B2 (en) Turbine engine component with diffuser holes
DE102008055522A1 (de) Divergente Turbinendüse
DE102007055410A1 (de) Schaufelblatt mit Dreifachbogen-Spitzenhohlraum
DE69923914T2 (de) Strömungsmaschinenschaufel mit aparter Kühlung der Anströmkante
DE102007045951A1 (de) Stator/Rotor-Anordnungen mit Oberflächenmerkmalen für eine verbesserte Kapselung eines Gasstroms, und verwandte Verfahren
CH703144B1 (de) Turbinenschaufel, Turbinenrotor, und Verfahren zur Kühlung einer Turbinenschaufel.
DE102016124296A1 (de) Innere Kühlkonfigurationen in Turbinenlaufschaufeln
DE102016125091A1 (de) Turbinenlaufschaufeln mit Spitzendeckband
DE102015112835A1 (de) Turbinenschaufel-Spannweitenmittendeckband

Legal Events

Date Code Title Description
8364 No opposition during term of opposition