CS116892A3 - Steam turbine - Google Patents

Steam turbine Download PDF

Info

Publication number
CS116892A3
CS116892A3 CS921168A CS116892A CS116892A3 CS 116892 A3 CS116892 A3 CS 116892A3 CS 921168 A CS921168 A CS 921168A CS 116892 A CS116892 A CS 116892A CS 116892 A3 CS116892 A3 CS 116892A3
Authority
CS
Czechoslovakia
Prior art keywords
rotor
blades
fixed
movable
steam turbine
Prior art date
Application number
CS921168A
Other languages
Czech (cs)
English (en)
Inventor
Jean-Pierre Ing Gros
Guillaume Ing Verschaeve
Original Assignee
Alsthom Gec
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9412055&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS116892(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alsthom Gec filed Critical Alsthom Gec
Publication of CS116892A3 publication Critical patent/CS116892A3/cs

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
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • 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
    • F01D1/10—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 having two or more stages subjected to working-fluid flow without essential intermediate pressure change, i.e. with velocity stages
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Control Of Turbines (AREA)
CS921168A 1991-04-19 1992-04-16 Steam turbine CS116892A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9104855A FR2675536B1 (fr) 1991-04-19 1991-04-19 Turbine a action a rotor tambour et perfectionnement a ces turbines.

Publications (1)

Publication Number Publication Date
CS116892A3 true CS116892A3 (en) 1992-11-18

Family

ID=9412055

Family Applications (1)

Application Number Title Priority Date Filing Date
CS921168A CS116892A3 (en) 1991-04-19 1992-04-16 Steam turbine

Country Status (18)

Country Link
US (1) US5328326A (es)
EP (1) EP0509921B1 (es)
JP (1) JPH05113101A (es)
KR (1) KR920020054A (es)
CN (1) CN1034525C (es)
AT (1) ATE137839T1 (es)
AU (1) AU653805B2 (es)
BR (1) BR9201429A (es)
CA (1) CA2066318A1 (es)
CS (1) CS116892A3 (es)
DE (1) DE69210462T2 (es)
DK (1) DK0509921T3 (es)
ES (1) ES2086681T3 (es)
FR (1) FR2675536B1 (es)
GR (1) GR3020662T3 (es)
MX (1) MX9201778A (es)
RU (1) RU2058494C1 (es)
ZA (1) ZA922827B (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0894944A1 (de) * 1997-07-29 1999-02-03 Siemens Aktiengesellschaft Turbinenbeschaufelung
EP0894945A3 (de) 1997-07-29 2000-07-12 Siemens Aktiengesellschaft Turbine, sowie Turbinenschaufeln
US5984639A (en) * 1998-07-09 1999-11-16 Pratt & Whitney Canada Inc. Blade retention apparatus for gas turbine rotor
EP0982475A1 (de) * 1998-08-28 2000-03-01 Asea Brown Boveri AG Beschaufelung einer axial durchströmten Turbomaschine mit Deckbändern
DE10019546B4 (de) * 2000-04-20 2016-04-07 Alstom Technology Ltd. Dampfturbine mit einem einem Rotor und/oder einem Stator zugeordneten Schaufelträger
GB0416932D0 (en) * 2004-07-29 2004-09-01 Alstom Technology Ltd Axial flow steam turbine assembly
GB0416931D0 (en) * 2004-07-29 2004-09-01 Alstom Technology Ltd Axial flow steam turbine assembly
CN100340740C (zh) * 2004-09-17 2007-10-03 北京全三维动力工程有限公司 一种超高压冲动式汽轮机
US8047767B2 (en) * 2005-09-28 2011-11-01 General Electric Company High pressure first stage turbine and seal assembly
RU2303136C1 (ru) * 2005-12-30 2007-07-20 Владимир Степанович Григорчук Газовая турбина
DE102008052101A1 (de) * 2008-10-20 2010-04-22 Rolls-Royce Deutschland Ltd & Co Kg Verdichter für eine Gasturbine
CN102655925B (zh) * 2009-10-27 2015-01-28 通用电气公司 用于离心压缩机的液滴捕捉器
GB2492546A (en) * 2011-07-04 2013-01-09 Alstom Technology Ltd A labyrinth seal for an axial fluid flow turbomachine
US8894372B2 (en) * 2011-12-21 2014-11-25 General Electric Company Turbine rotor insert and related method of installation
EP2657454B1 (en) * 2012-04-26 2014-05-14 Alstom Technology Ltd Turbine diaphragm construction
US9394797B2 (en) * 2012-12-04 2016-07-19 General Electric Company Turbomachine nozzle having fluid conduit and related turbomachine
EP3249157B1 (en) * 2015-02-23 2020-05-27 Mitsubishi Heavy Industries Compressor Corporation Steam turbine
JP6507460B2 (ja) * 2015-08-21 2019-05-08 三菱重工コンプレッサ株式会社 蒸気タービン
EP3358142B1 (en) * 2017-02-02 2021-08-18 General Electric Company Turbine tip shroud leakage flow control
CZ2022355A3 (cs) * 2022-08-25 2023-10-25 Doosan Ĺ koda Power s.r.o. Turbínová sestava axiální turbíny

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2197521A (en) * 1938-04-21 1940-04-16 Westinghouse Electric & Mfg Co Turbine apparatus
DE838191C (de) * 1946-06-07 1952-03-27 Gebrüder Sulzer Aktiengesellschaft, Winterthur (Schweiz) Schaufelung für axiale Turbomaschinen und Verfahren zur Herstellung derselben
JPS501646B1 (es) * 1970-07-11 1975-01-20
US3756740A (en) * 1971-08-11 1973-09-04 M Deich Turbine stage
GB1364511A (en) * 1971-08-11 1974-08-21 Mo Energeticheskij Institut Turbines
FR2666846B1 (fr) * 1990-09-13 1992-10-16 Alsthom Gec Grille d'aubes pour turbomachine munie de fentes d'aspiration dans le plafond et/ou dans le plancher et turbomachine comportant ces grilles.

Also Published As

Publication number Publication date
JPH05113101A (ja) 1993-05-07
AU653805B2 (en) 1994-10-13
US5328326A (en) 1994-07-12
BR9201429A (pt) 1992-12-01
MX9201778A (es) 1992-10-01
DE69210462T2 (de) 1996-09-05
CA2066318A1 (fr) 1992-10-20
EP0509921B1 (fr) 1996-05-08
FR2675536A1 (fr) 1992-10-23
FR2675536B1 (fr) 1994-12-09
EP0509921A1 (fr) 1992-10-21
ES2086681T3 (es) 1996-07-01
RU2058494C1 (ru) 1996-04-20
GR3020662T3 (en) 1996-10-31
AU1491992A (en) 1992-10-22
DK0509921T3 (da) 1996-07-08
KR920020054A (ko) 1992-11-20
DE69210462D1 (de) 1996-06-13
ATE137839T1 (de) 1996-05-15
CN1034525C (zh) 1997-04-09
CN1070029A (zh) 1993-03-17
ZA922827B (en) 1992-12-30

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