FR2545538B1 - Propulseur a turbines a gaz avec des dispositifs pour minimiser l'interstice des aubes - Google Patents

Propulseur a turbines a gaz avec des dispositifs pour minimiser l'interstice des aubes

Info

Publication number
FR2545538B1
FR2545538B1 FR8406733A FR8406733A FR2545538B1 FR 2545538 B1 FR2545538 B1 FR 2545538B1 FR 8406733 A FR8406733 A FR 8406733A FR 8406733 A FR8406733 A FR 8406733A FR 2545538 B1 FR2545538 B1 FR 2545538B1
Authority
FR
France
Prior art keywords
interstice
minimizing
blades
devices
gas 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
Application number
FR8406733A
Other languages
English (en)
Other versions
FR2545538A1 (fr
Inventor
Wolfgang Weiler
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 AG
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 FR2545538A1 publication Critical patent/FR2545538A1/fr
Application granted granted Critical
Publication of FR2545538B1 publication Critical patent/FR2545538B1/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
    • 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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
    • F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/26—Double casings; Measures against temperature strain in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR8406733A 1983-05-02 1984-04-27 Propulseur a turbines a gaz avec des dispositifs pour minimiser l'interstice des aubes Expired FR2545538B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833315914 DE3315914A1 (de) 1983-05-02 1983-05-02 Gasturbinentriebwerk mit einrichtungen zur schaufelspaltminimierung

Publications (2)

Publication Number Publication Date
FR2545538A1 FR2545538A1 (fr) 1984-11-09
FR2545538B1 true FR2545538B1 (fr) 1988-12-23

Family

ID=6197911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8406733A Expired FR2545538B1 (fr) 1983-05-02 1984-04-27 Propulseur a turbines a gaz avec des dispositifs pour minimiser l'interstice des aubes

Country Status (6)

Country Link
US (1) US4578942A (fr)
JP (1) JPS60132036A (fr)
DE (1) DE3315914A1 (fr)
FR (1) FR2545538B1 (fr)
GB (1) GB2139292B (fr)
IT (1) IT1176121B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428892A1 (de) * 1984-08-04 1986-02-13 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Schaufel- und dichtspaltoptimierungseinrichtung fuer verdichter von gasturbinentriebwerken, insbesondere gasturbinenstrahltriebwerken
DE8507551U1 (de) * 1985-03-14 1990-10-11 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Strömungsmaschine mit Mitteln zur Kontrolle des Radialspaltes
US4874970A (en) * 1988-05-11 1989-10-17 Applied Micro Circuits Corporation ECL output with Darlington or common collector-common emitter drive
US5201844A (en) * 1991-09-09 1993-04-13 General Electric Company Rotor and bearing assembly
US6158210A (en) * 1998-12-03 2000-12-12 General Electric Company Gear driven booster
US6203273B1 (en) * 1998-12-22 2001-03-20 United Technologies Corporation Rotary machine
FR2794816B1 (fr) * 1999-06-10 2001-07-06 Snecma Stator de compresseur a haute pression
US6439842B1 (en) * 2000-03-29 2002-08-27 General Electric Company Gas turbine engine stator case
US6502304B2 (en) * 2001-05-15 2003-01-07 General Electric Company Turbine airfoil process sequencing for optimized tip performance
US6896484B2 (en) * 2003-09-12 2005-05-24 Siemens Westinghouse Power Corporation Turbine engine sealing device
US6926495B2 (en) * 2003-09-12 2005-08-09 Siemens Westinghouse Power Corporation Turbine blade tip clearance control device
US7656135B2 (en) * 2007-01-05 2010-02-02 General Electric Company Method and apparatus for controlling rotary machines
US20090065064A1 (en) * 2007-08-02 2009-03-12 The University Of Notre Dame Du Lac Compressor tip gap flow control using plasma actuators
FR2932227B1 (fr) * 2008-06-09 2011-07-01 Snecma Turboreacteur double flux
US8177494B2 (en) * 2009-03-15 2012-05-15 United Technologies Corporation Buried casing treatment strip for a gas turbine engine
US8845277B2 (en) 2010-05-24 2014-09-30 United Technologies Corporation Geared turbofan engine with integral gear and bearing supports
JP5747403B2 (ja) * 2010-12-08 2015-07-15 三菱重工業株式会社 ターボ回転機械及びその運転方法
US10267328B2 (en) 2015-07-21 2019-04-23 Rolls-Royce Corporation Rotor structure for rotating machinery and method of assembly thereof
US20180135525A1 (en) * 2016-11-14 2018-05-17 Pratt & Whitney Canada Corp. Gas turbine engine tangential orifice bleed configuration
US11255214B2 (en) 2019-11-04 2022-02-22 Raytheon Technologies Corporation Negative thermal expansion compressor case for improved tip clearance

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB856599A (en) * 1958-06-16 1960-12-21 Gen Motors Corp Improvements relating to axial-flow compressors
GB888109A (en) * 1959-07-17 1962-01-24 Canadian Pratt & Whitney Aircr Improvements relating to gas turbine power plant
US3152443A (en) * 1959-07-17 1964-10-13 United Aircraft Canada Gas turbine powerplant
GB960812A (en) * 1963-04-08 1964-06-17 Rolls Royce Compressor for a gas turbine engine
CH421142A (de) * 1965-01-12 1966-09-30 Escher Wyss Ag Gehäuse für eine Gas- oder Dampfturbine
GB1316452A (en) * 1970-08-14 1973-05-09 Secr Defence Gas turbine engine
DE2165528A1 (de) * 1971-12-30 1973-07-12 Kloeckner Humboldt Deutz Ag Einrichtung zum herstellen eines geringen spaltes zwischen den umlaufenden schaufeln und der wandung einer stroemungsmaschine
US3777489A (en) * 1972-06-01 1973-12-11 Gen Electric Combustor casing and concentric air bleed structure
US3914070A (en) * 1973-11-19 1975-10-21 Avco Corp Two-stage tie-down of turbomachine rotor
GB1501916A (en) * 1975-06-20 1978-02-22 Rolls Royce Matching thermal expansions of components of turbo-machines
FR2365702A1 (fr) * 1976-09-22 1978-04-21 Mtu Muenchen Gmbh Moteur a turbines a gaz, en particulier petit moteur a turbines a gaz
DE2741063C2 (de) * 1977-09-13 1986-02-20 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Gasturbinentriebwerk
US4264274A (en) * 1977-12-27 1981-04-28 United Technologies Corporation Apparatus maintaining rotor and stator clearance
GB2011553B (en) * 1977-12-27 1982-05-06 United Technologies Corp Apparatus maintaining rotor and stator clearance
US4201426A (en) * 1978-04-27 1980-05-06 General Electric Company Bearing clamping assembly for a gas turbine engine
FR2444800A1 (fr) * 1978-12-21 1980-07-18 Rolls Royce Anneau de retenue pour moteur a turbine a gaz
DE2907749C2 (de) * 1979-02-28 1985-04-25 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur Minimierung von Konstanthaltung des bei Axialturbinen von Gasturbinentriebwerken vorhandenen Schaufelspitzenspiels
FR2467977A1 (fr) * 1979-10-19 1981-04-30 Snecma Dispositif de securite en cas de rupture d'element rotatif de turbomachine
GB2114661B (en) * 1980-10-21 1984-08-01 Rolls Royce Casing structure for a gas turbine engine

Also Published As

Publication number Publication date
IT1176121B (it) 1987-08-12
IT8420671A0 (it) 1984-04-20
GB2139292A (en) 1984-11-07
DE3315914C2 (fr) 1992-01-30
GB8410807D0 (en) 1984-06-06
IT8420671A1 (it) 1985-10-20
JPS60132036A (ja) 1985-07-13
JPH0411728B2 (fr) 1992-03-02
FR2545538A1 (fr) 1984-11-09
GB2139292B (en) 1987-07-22
DE3315914A1 (de) 1984-11-08
US4578942A (en) 1986-04-01

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