FR2661946B1 - Etage de turbine a action avec pertes secondaires reduites. - Google Patents

Etage de turbine a action avec pertes secondaires reduites.

Info

Publication number
FR2661946B1
FR2661946B1 FR909005992A FR9005992A FR2661946B1 FR 2661946 B1 FR2661946 B1 FR 2661946B1 FR 909005992 A FR909005992 A FR 909005992A FR 9005992 A FR9005992 A FR 9005992A FR 2661946 B1 FR2661946 B1 FR 2661946B1
Authority
FR
France
Prior art keywords
turbine stage
disc
ducts
secondary losses
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 - Lifetime
Application number
FR909005992A
Other languages
English (en)
Other versions
FR2661946A1 (fr
Inventor
Detanne Francois
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
Priority to FR909005992A priority Critical patent/FR2661946B1/fr
Priority to MX025749A priority patent/MX166760B/es
Priority to EP91107717A priority patent/EP0457241B1/fr
Priority to CS911394A priority patent/CS139491A3/cs
Priority to AT91107717T priority patent/ATE115234T1/de
Priority to US07/699,127 priority patent/US5125794A/en
Priority to DE69105613T priority patent/DE69105613T2/de
Priority to JP3204991A priority patent/JPH04228803A/ja
Priority to CN91103783A priority patent/CN1057506A/zh
Priority to ZA913636A priority patent/ZA913636B/xx
Publication of FR2661946A1 publication Critical patent/FR2661946A1/fr
Application granted granted Critical
Publication of FR2661946B1 publication Critical patent/FR2661946B1/fr
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
FR909005992A 1990-05-14 1990-05-14 Etage de turbine a action avec pertes secondaires reduites. Expired - Lifetime FR2661946B1 (fr)

Priority Applications (10)

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.
MX025749A MX166760B (es) 1990-05-14 1991-05-10 Turbina de accion con partes secundarias reducidas
CS911394A CS139491A3 (en) 1990-05-14 1991-05-13 Non-positive-displacement turbine stage
AT91107717T ATE115234T1 (de) 1990-05-14 1991-05-13 Impulsturbinenstufe mit verminderten strömungsverlusten.
US07/699,127 US5125794A (en) 1990-05-14 1991-05-13 Impulse turbine stage with reduced secondary losses
DE69105613T DE69105613T2 (de) 1990-05-14 1991-05-13 Impulsturbinenstufe mit verminderten Strömungsverlusten.
EP91107717A EP0457241B1 (fr) 1990-05-14 1991-05-13 Etage de turbine à action avec pertes secondaires réduites
JP3204991A JPH04228803A (ja) 1990-05-14 1991-05-14 衝動タービン段
CN91103783A CN1057506A (zh) 1990-05-14 1991-05-14 能够减少二次损失的冲动式涡轮机级
ZA913636A ZA913636B (en) 1990-05-14 1991-05-14 An impulse turbine stage with reduced secondary losses

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
FR2661946A1 FR2661946A1 (fr) 1991-11-15
FR2661946B1 true FR2661946B1 (fr) 1994-06-10

Family

ID=9396585

Family Applications (1)

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

Country Status (10)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167695A1 (fr) * 2000-06-21 2002-01-02 Siemens Aktiengesellschaft Turbine à gaz et aube statorique pour une turbine à gaz
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 (fr) * 2010-10-18 2012-04-26 University Of Durham Dispositif d'étanchéité pour réduire la fuite de fluide dans une turbine
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 (fr) * 2011-05-02 2012-11-07 MTU Aero Engines GmbH Aube avec pied refroidi
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
USRE23172E (en) * 1940-09-21 1949-11-29 Bochi
NL89082C (fr) * 1953-07-06
GB1230325A (fr) * 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
EP0457241B1 (fr) 1994-12-07
ZA913636B (en) 1992-02-26
US5125794A (en) 1992-06-30
CS139491A3 (en) 1992-01-15
CN1057506A (zh) 1992-01-01
EP0457241A1 (fr) 1991-11-21
MX166760B (es) 1993-02-02
FR2661946A1 (fr) 1991-11-15
JPH04228803A (ja) 1992-08-18
ATE115234T1 (de) 1994-12-15
DE69105613D1 (de) 1995-01-19
DE69105613T2 (de) 1995-04-27

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