DE69105613D1 - Impulsturbinenstufe mit verminderten Strömungsverlusten. - Google Patents

Impulsturbinenstufe mit verminderten Strömungsverlusten.

Info

Publication number
DE69105613D1
DE69105613D1 DE69105613T DE69105613T DE69105613D1 DE 69105613 D1 DE69105613 D1 DE 69105613D1 DE 69105613 T DE69105613 T DE 69105613T DE 69105613 T DE69105613 T DE 69105613T DE 69105613 D1 DE69105613 D1 DE 69105613D1
Authority
DE
Germany
Prior art keywords
impulse turbine
turbine stage
reduced flow
disc
flow losses
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
DE69105613T
Other languages
English (en)
Other versions
DE69105613T2 (de
Inventor
Francois Detanne
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.)
Alstom Holdings SA
Original Assignee
GEC Alsthom SA
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 GEC Alsthom SA filed Critical GEC Alsthom SA
Application granted granted Critical
Publication of DE69105613D1 publication Critical patent/DE69105613D1/de
Publication of DE69105613T2 publication Critical patent/DE69105613T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • 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
DE69105613T 1990-05-14 1991-05-13 Impulsturbinenstufe mit verminderten Strömungsverlusten. Expired - Fee Related DE69105613T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909005992A FR2661946B1 (fr) 1990-05-14 1990-05-14 Etage de turbine a action avec pertes secondaires reduites.

Publications (2)

Publication Number Publication Date
DE69105613D1 true DE69105613D1 (de) 1995-01-19
DE69105613T2 DE69105613T2 (de) 1995-04-27

Family

ID=9396585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69105613T Expired - Fee Related DE69105613T2 (de) 1990-05-14 1991-05-13 Impulsturbinenstufe mit verminderten Strömungsverlusten.

Country Status (10)

Country Link
US (1) US5125794A (de)
EP (1) EP0457241B1 (de)
JP (1) JPH04228803A (de)
CN (1) CN1057506A (de)
AT (1) ATE115234T1 (de)
CS (1) CS139491A3 (de)
DE (1) DE69105613T2 (de)
FR (1) FR2661946B1 (de)
MX (1) MX166760B (de)
ZA (1) ZA913636B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167695A1 (de) * 2000-06-21 2002-01-02 Siemens Aktiengesellschaft Gasturbine und Gasturbinenleitschaufel
US6779972B2 (en) * 2002-10-31 2004-08-24 General Electric Company Flowpath sealing and streamlining configuration for a turbine
GB0319002D0 (en) 2003-05-13 2003-09-17 Alstom Switzerland Ltd Improvements in or relating to steam turbines
US8047767B2 (en) * 2005-09-28 2011-11-01 General Electric Company High pressure first stage turbine and seal assembly
GB2440344A (en) 2006-07-26 2008-01-30 Christopher Freeman Impulse turbine design
WO2012052740A1 (en) * 2010-10-18 2012-04-26 University Of Durham Sealing device for reducing fluid leakage in turbine apparatus
IT1403416B1 (it) * 2010-12-21 2013-10-17 Avio Spa Rotore palettato di una turbina a gas per motori aeronautici e metodo per il raffreddamento di detto rotore palettato
DE102011121634B4 (de) * 2010-12-27 2019-08-14 Ansaldo Energia Ip Uk Limited Turbinenschaufel
EP2520764A1 (de) * 2011-05-02 2012-11-07 MTU Aero Engines GmbH Schaufel mit gekühltem Schaufelfuss
US9702261B2 (en) 2013-12-06 2017-07-11 General Electric Company Steam turbine and methods of assembling the same
JP7202259B2 (ja) * 2019-05-31 2023-01-11 三菱重工業株式会社 蒸気タービン

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE442789A (de) * 1940-09-21
BE530136A (de) * 1953-07-06
GB1230325A (de) * 1969-03-05 1971-04-28
GB1350471A (en) * 1971-05-06 1974-04-18 Secr Defence Gas turbine engine
CH529914A (de) * 1971-08-11 1972-10-31 Mo Energeticheskij Institut Turbinenstufe
BE791162A (fr) * 1971-11-10 1973-03-01 Penny Robert N Rotor de turbine
GB1605282A (en) * 1973-10-27 1987-12-23 Rolls Royce 1971 Ltd Bladed rotor for gas turbine engine
GB1561229A (en) * 1977-02-18 1980-02-13 Rolls Royce Gas turbine engine cooling system
GB2062118B (en) * 1979-11-05 1983-08-24 Covebourne Ltd Turbine
US4453888A (en) * 1981-04-01 1984-06-12 United Technologies Corporation Nozzle for a coolable rotor blade
JPS6014161A (ja) * 1983-07-06 1985-01-24 Ngk Spark Plug Co Ltd 空燃比センサ
US4708588A (en) * 1984-12-14 1987-11-24 United Technologies Corporation Turbine cooling air supply system
US4674955A (en) * 1984-12-21 1987-06-23 The Garrett Corporation Radial inboard preswirl system
US4882902A (en) * 1986-04-30 1989-11-28 General Electric Company Turbine cooling air transferring apparatus
US4666368A (en) * 1986-05-01 1987-05-19 General Electric Company Swirl nozzle for a cooling system in gas turbine engines
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
DE3835932A1 (de) * 1988-10-21 1990-04-26 Mtu Muenchen Gmbh Vorrichtung zur kuehlluftzufuehrung fuer gasturbinen-rotorschaufeln

Also Published As

Publication number Publication date
FR2661946A1 (fr) 1991-11-15
EP0457241B1 (de) 1994-12-07
DE69105613T2 (de) 1995-04-27
US5125794A (en) 1992-06-30
FR2661946B1 (fr) 1994-06-10
EP0457241A1 (de) 1991-11-21
CS139491A3 (en) 1992-01-15
CN1057506A (zh) 1992-01-01
JPH04228803A (ja) 1992-08-18
ATE115234T1 (de) 1994-12-15
ZA913636B (en) 1992-02-26
MX166760B (es) 1993-02-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee