FR2450344B1 - Dispositif pour reduire au minimum et maintenir constants les jeux a la crete des aubes existants dans les turbines axiales, notamment pour turbomachines a gaz - Google Patents

Dispositif pour reduire au minimum et maintenir constants les jeux a la crete des aubes existants dans les turbines axiales, notamment pour turbomachines a gaz

Info

Publication number
FR2450344B1
FR2450344B1 FR8004103A FR8004103A FR2450344B1 FR 2450344 B1 FR2450344 B1 FR 2450344B1 FR 8004103 A FR8004103 A FR 8004103A FR 8004103 A FR8004103 A FR 8004103A FR 2450344 B1 FR2450344 B1 FR 2450344B1
Authority
FR
France
Prior art keywords
games
minimizing
maintaining constant
axial turbines
existing blades
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
Application number
FR8004103A
Other languages
English (en)
Other versions
FR2450344A1 (fr
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.)
MTU Aero Engines GmbH
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of FR2450344A1 publication Critical patent/FR2450344A1/fr
Application granted granted Critical
Publication of FR2450344B1 publication Critical patent/FR2450344B1/fr
Expired 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR8004103A 1979-02-28 1980-02-25 Dispositif pour reduire au minimum et maintenir constants les jeux a la crete des aubes existants dans les turbines axiales, notamment pour turbomachines a gaz Expired FR2450344B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2907748A DE2907748C2 (de) 1979-02-28 1979-02-28 Einrichtung zur Minimierung und Konstanthaltung des Schaufelspitzenspiels einer axial durchströmten Hochdruckturbine eines Gasturbinentriebwerks

Publications (2)

Publication Number Publication Date
FR2450344A1 FR2450344A1 (fr) 1980-09-26
FR2450344B1 true FR2450344B1 (fr) 1986-06-06

Family

ID=6064078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004103A Expired FR2450344B1 (fr) 1979-02-28 1980-02-25 Dispositif pour reduire au minimum et maintenir constants les jeux a la crete des aubes existants dans les turbines axiales, notamment pour turbomachines a gaz

Country Status (5)

Country Link
US (1) US4439982A (fr)
JP (1) JPS55117012A (fr)
DE (1) DE2907748C2 (fr)
FR (1) FR2450344B1 (fr)
GB (1) GB2043792B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
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GB2114661B (en) * 1980-10-21 1984-08-01 Rolls Royce Casing structure for a gas turbine engine
FR2519374B1 (fr) * 1982-01-07 1986-01-24 Snecma Dispositif de refroidissement des talons d'aubes mobiles d'une turbine
JPS58152106A (ja) * 1982-03-05 1983-09-09 Nissan Motor Co Ltd 軸流タ−ビン
JPS5974305A (ja) * 1982-10-21 1984-04-26 Hitachi Ltd ガスタ−ビンのシユラウド
FR2724973B1 (fr) * 1982-12-31 1996-12-13 Snecma Dispositif d'etancheite d'aubages mobiles de turbomachine avec controle actif des jeux en temps reel et methode de determination dudit dispositif
FR2540560B1 (fr) * 1983-02-03 1987-06-12 Snecma Dispositif d'etancheite d'aubages mobiles de turbomachine
GB2136508B (en) * 1983-03-11 1987-12-31 United Technologies Corp Coolable stator assembly for a gas turbine engine
DE3309812C2 (de) 1983-03-18 1994-04-14 United Technologies Corp Äußeres Gehäuse für ein Gasturbinentriebwerk
FR2548733B1 (fr) * 1983-07-07 1987-07-10 Snecma Dispositif d'etancheite d'aubages mobiles de turbomachine
FR2577281B1 (fr) * 1985-02-13 1987-03-20 Snecma Carter de turbomachine associe a un dispositif pour ajuster le jeu entre aubes mobiles et carter
US4752185A (en) * 1987-08-03 1988-06-21 General Electric Company Non-contacting flowpath seal
DE3913102C1 (fr) * 1989-04-21 1990-05-31 Mtu Muenchen Gmbh
US5152666A (en) * 1991-05-03 1992-10-06 United Technologies Corporation Stator assembly for a rotary machine
DE4215440A1 (de) * 1992-05-11 1993-11-18 Mtu Muenchen Gmbh Einrichtung zur Bauteilabdichtung, insbesondere bei Turbomaschinen
US5601406A (en) * 1994-12-21 1997-02-11 Alliedsignal Inc. Centrifugal compressor hub containment assembly
US5667358A (en) * 1995-11-30 1997-09-16 Westinghouse Electric Corporation Method for reducing steady state rotor blade tip clearance in a land-based gas turbine to improve efficiency
US6120242A (en) * 1998-11-13 2000-09-19 General Electric Company Blade containing turbine shroud
US6269628B1 (en) * 1999-06-10 2001-08-07 Pratt & Whitney Canada Corp. Apparatus for reducing combustor exit duct cooling
US6254345B1 (en) * 1999-09-07 2001-07-03 General Electric Company Internally cooled blade tip shroud
US6887035B2 (en) 2002-10-23 2005-05-03 General Electric Company Tribologically improved design for variable stator vanes
US20040219011A1 (en) * 2003-05-02 2004-11-04 General Electric Company High pressure turbine elastic clearance control system and method
US7260892B2 (en) * 2003-12-24 2007-08-28 General Electric Company Methods for optimizing turbine engine shell radial clearances
US7350358B2 (en) * 2004-11-16 2008-04-01 Pratt & Whitney Canada Corp. Exit duct of annular reverse flow combustor and method of making the same
WO2014014535A2 (fr) * 2012-04-27 2014-01-23 General Electric Company Accélérateur d'air sur le tirant d'assemblage à l'intérieur d'un alésage de disque de turbine
US9650905B2 (en) * 2012-08-28 2017-05-16 United Technologies Corporation Singlet vane cluster assembly
US9890645B2 (en) 2014-09-04 2018-02-13 United Technologies Corporation Coolant flow redirection component
AU2016367178B2 (en) 2015-12-07 2019-12-12 Fluid Handling Llc Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump
DE102018210598A1 (de) 2018-06-28 2020-01-02 MTU Aero Engines AG Gehäusestruktur für eine Strömungsmaschine, Strömungsmaschine und Verfahren zum Kühlen eines Gehäuseabschnitts einer Gehäusestruktur einer Strömungsmaschine

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA593841A (en) * 1960-03-08 H. D. Chamberlin Reginald Shroud ring construction for turbines and compressors
BE463344A (fr) * 1945-01-23
US2606741A (en) * 1947-06-11 1952-08-12 Gen Electric Gas turbine nozzle and bucket shroud structure
US2625013A (en) * 1948-11-27 1953-01-13 Gen Electric Gas turbine nozzle structure
US2859934A (en) * 1953-07-29 1958-11-11 Havilland Engine Co Ltd Gas turbines
GB881880A (en) * 1959-05-22 1961-11-08 Power Jets Res & Dev Ltd Turbo-machine stator construction
DE1126193B (de) * 1959-10-07 1962-03-22 Bmw Triebwerkbau Ges M B H Gasturbine, insbesondere Kleingasturbine mit Radialverdichter und Radialturbine
US3391904A (en) * 1966-11-02 1968-07-09 United Aircraft Corp Optimum response tip seal
BE756582A (fr) * 1969-10-02 1971-03-01 Gen Electric Ecran circulaire et support d'ecran avec dispositif de reglage de la temperature pour turbomachine
GB1335145A (en) * 1972-01-12 1973-10-24 Rolls Royce Turbine casing for a gas turbine engine
US3825365A (en) * 1973-02-05 1974-07-23 Avco Corp Cooled turbine rotor cylinder
US3849022A (en) * 1973-07-12 1974-11-19 Gen Motors Corp Turbine blade coolant distributor
US3864056A (en) * 1973-07-27 1975-02-04 Westinghouse Electric Corp Cooled turbine blade ring assembly
US3892497A (en) * 1974-05-14 1975-07-01 Westinghouse Electric Corp Axial flow turbine stationary blade and blade ring locking arrangement
JPS564410B2 (fr) * 1974-09-30 1981-01-30
GB1484936A (en) * 1974-12-07 1977-09-08 Rolls Royce Gas turbine engines
US4013376A (en) * 1975-06-02 1977-03-22 United Technologies Corporation Coolable blade tip shroud
GB1501916A (en) * 1975-06-20 1978-02-22 Rolls Royce Matching thermal expansions of components of turbo-machines
GB1484288A (en) * 1975-12-03 1977-09-01 Rolls Royce Gas turbine engines
US4053254A (en) * 1976-03-26 1977-10-11 United Technologies Corporation Turbine case cooling system
DE2617024C2 (de) * 1976-04-17 1985-09-26 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Gasturbinentriebwerk
US4087199A (en) * 1976-11-22 1978-05-02 General Electric Company Ceramic turbine shroud assembly
US4195476A (en) * 1978-04-27 1980-04-01 General Motors Corporation Combustor construction
US4251185A (en) * 1978-05-01 1981-02-17 Caterpillar Tractor Co. Expansion control ring for a turbine shroud assembly

Also Published As

Publication number Publication date
GB2043792B (en) 1983-03-16
FR2450344A1 (fr) 1980-09-26
US4439982A (en) 1984-04-03
DE2907748C2 (de) 1987-02-12
JPS55117012A (en) 1980-09-09
JPS6316566B2 (fr) 1988-04-09
GB2043792A (en) 1980-10-08
DE2907748A1 (de) 1980-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse