FR2570763B1 - Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine - Google Patents

Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Info

Publication number
FR2570763B1
FR2570763B1 FR8414818A FR8414818A FR2570763B1 FR 2570763 B1 FR2570763 B1 FR 2570763B1 FR 8414818 A FR8414818 A FR 8414818A FR 8414818 A FR8414818 A FR 8414818A FR 2570763 B1 FR2570763 B1 FR 2570763B1
Authority
FR
France
Prior art keywords
turbomachine
play
automatically controlling
labyrinth seal
labyrinth
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
FR8414818A
Other languages
English (en)
Other versions
FR2570763A1 (fr
Inventor
Robert Kervistin
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR8414818A priority Critical patent/FR2570763B1/fr
Priority to EP85401863A priority patent/EP0177408B1/fr
Priority to DE8585401863T priority patent/DE3564600D1/de
Priority to US06/780,440 priority patent/US4668163A/en
Priority to JP60213591A priority patent/JPS6183403A/ja
Publication of FR2570763A1 publication Critical patent/FR2570763A1/fr
Application granted granted Critical
Publication of FR2570763B1 publication Critical patent/FR2570763B1/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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type

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)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR8414818A 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine Expired FR2570763B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8414818A FR2570763B1 (fr) 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
EP85401863A EP0177408B1 (fr) 1984-09-27 1985-09-25 Dispositif de contrôle automatique du jeu d'un joint à labyrinthe de turbomachine
DE8585401863T DE3564600D1 (en) 1984-09-27 1985-09-25 Apparatus for the automatic control of the play of a labyrinth seal of a turbo machine
US06/780,440 US4668163A (en) 1984-09-27 1985-09-26 Automatic control device of a labyrinth seal clearance in a turbo-jet engine
JP60213591A JPS6183403A (ja) 1984-09-27 1985-09-26 タービンエンジンのラビリンスパッキンの遊隙制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8414818A FR2570763B1 (fr) 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Publications (2)

Publication Number Publication Date
FR2570763A1 FR2570763A1 (fr) 1986-03-28
FR2570763B1 true FR2570763B1 (fr) 1986-11-28

Family

ID=9308117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8414818A Expired FR2570763B1 (fr) 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Country Status (5)

Country Link
US (1) US4668163A (fr)
EP (1) EP0177408B1 (fr)
JP (1) JPS6183403A (fr)
DE (1) DE3564600D1 (fr)
FR (1) FR2570763B1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4961310A (en) * 1989-07-03 1990-10-09 General Electric Company Single shaft combined cycle turbine
US5281090A (en) * 1990-04-03 1994-01-25 General Electric Co. Thermally-tuned rotary labyrinth seal with active seal clearance control
US5090865A (en) * 1990-10-22 1992-02-25 General Electric Company Windage shield
US5259725A (en) * 1992-10-19 1993-11-09 General Electric Company Gas turbine engine and method of assembling same
DE4337281A1 (de) * 1993-11-02 1995-05-04 Abb Management Ag Verdichter
DE19756734A1 (de) * 1997-12-19 1999-06-24 Bmw Rolls Royce Gmbh Passives Spalthaltungssystem einer Gasturbine
US5984630A (en) * 1997-12-24 1999-11-16 General Electric Company Reduced windage high pressure turbine forward outer seal
US6471216B1 (en) 1999-05-24 2002-10-29 General Electric Company Rotating seal
US6715766B2 (en) * 2001-10-30 2004-04-06 General Electric Company Steam feed hole for retractable packing segments in rotary machines
US7249463B2 (en) * 2004-09-15 2007-07-31 General Electric Company Aerodynamic fastener shield for turbomachine
US7094020B2 (en) * 2004-09-15 2006-08-22 General Electric Company Swirl-enhanced aerodynamic fastener shield for turbomachine
FR2881472B1 (fr) * 2005-01-28 2011-07-15 Snecma Moteurs Circuit de ventilation d'un rotor de turbine haute pression dans un moteur a turbine a gaz
US8074998B2 (en) * 2006-05-05 2011-12-13 The Texas A&M University System Annular seals for non-contact sealing of fluids in turbomachinery
JP2009236038A (ja) * 2008-03-27 2009-10-15 Toshiba Corp 蒸気タービン
US8678741B2 (en) 2008-11-28 2014-03-25 Pratt & Whitney Canada Corp. Oil cooled runner
US8668431B2 (en) * 2010-03-29 2014-03-11 United Technologies Corporation Seal clearance control on non-cowled gas turbine engines
GB201012719D0 (en) * 2010-07-29 2010-09-15 Rolls Royce Plc Labyrinth seal
US9255642B2 (en) * 2012-07-06 2016-02-09 General Electric Company Aerodynamic seals for rotary machine
US9238971B2 (en) * 2012-10-18 2016-01-19 General Electric Company Gas turbine casing thermal control device
FR3007063B1 (fr) 2013-06-13 2015-07-03 Composite Ind Piece de materiau abradable pour la fabrication d'un secteur de joint annulaire abradable pour turbomachine et procede de fabrication d'une telle piece
FR3007064B1 (fr) * 2013-06-13 2018-06-29 Composite Industrie Secteur de joint annulaire abradable pour turbomachine et procede de fabrication d'une telle piece
DE102015215144B4 (de) 2015-08-07 2017-11-09 MTU Aero Engines AG Vorrichtung und Verfahren zum Beeinflussen der Temperaturen in Innenringsegmenten einer Gasturbine
US10815816B2 (en) 2018-09-24 2020-10-27 General Electric Company Containment case active clearance control structure
US11821365B2 (en) * 2022-01-31 2023-11-21 General Electric Company Inducer seal with integrated inducer slots
CN116537895B (zh) * 2023-07-04 2023-09-15 中国航发四川燃气涡轮研究院 一种带有篦齿间隙控制的预旋供气系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018085A (en) * 1957-03-25 1962-01-23 Gen Motors Corp Floating labyrinth seal
US3527053A (en) * 1968-12-11 1970-09-08 Gen Electric Gas turbine engine with improved gas seal
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
US3989410A (en) * 1974-11-27 1976-11-02 General Electric Company Labyrinth seal system
US4103899A (en) * 1975-10-01 1978-08-01 United Technologies Corporation Rotary seal with pressurized air directed at fluid approaching the seal
US4060250A (en) * 1976-11-04 1977-11-29 De Laval Turbine Inc. Rotor seal element with heat resistant alloy coating
US4177004A (en) * 1977-10-31 1979-12-04 General Electric Company Combined turbine shroud and vane support structure
FR2437544A1 (fr) * 1978-09-27 1980-04-25 Snecma Perfectionnements aux joints a labyrinthe
US4554789A (en) * 1979-02-26 1985-11-26 General Electric Company Seal cooling apparatus
FR2452601A1 (fr) * 1979-03-30 1980-10-24 Snecma Support amovible de revetement d'etancheite pour carter de soufflante de turboreacteur
US4573865A (en) * 1981-08-31 1986-03-04 General Electric Company Multiple-impingement cooled structure
US4526226A (en) * 1981-08-31 1985-07-02 General Electric Company Multiple-impingement cooled structure
FR2540560B1 (fr) * 1983-02-03 1987-06-12 Snecma Dispositif d'etancheite d'aubages mobiles de turbomachine
US4466239A (en) * 1983-02-22 1984-08-21 General Electric Company Gas turbine engine with improved air cooling circuit
US4513975A (en) * 1984-04-27 1985-04-30 General Electric Company Thermally responsive labyrinth seal

Also Published As

Publication number Publication date
US4668163A (en) 1987-05-26
EP0177408B1 (fr) 1988-08-24
JPH0379524B2 (fr) 1991-12-19
DE3564600D1 (en) 1988-09-29
JPS6183403A (ja) 1986-04-28
FR2570763A1 (fr) 1986-03-28
EP0177408A1 (fr) 1986-04-09

Similar Documents

Publication Publication Date Title
FR2570764B1 (fr) Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
FR2570763B1 (fr) Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
IT1184980B (it) Tenuta rotante particolarmente per turbina a gas
FR2517779B1 (fr) Dispositif d'amortissement des aubes d'une soufflante de turbomachine
FR2540560B1 (fr) Dispositif d'etancheite d'aubages mobiles de turbomachine
DE3566433D1 (en) Rotating seal for gas turbine engine
FR2548733B1 (fr) Dispositif d'etancheite d'aubages mobiles de turbomachine
FR2573811B1 (fr) Joint pour plate-forme d'aubes de turbomachine
DK522388A (da) Fremgangsmaade til forhindring af stroemningsstop af en vaad gasstroem
FR2510220B1 (fr) Joint d'etancheite
FR2544380B1 (fr) Dispositif de controle de charges de poussee d'une turbine en porte-a-faux
DE3576555D1 (de) Ineinanderhakende dichtungseinheit eines kreuzgelenkes.
FR2517013B1 (fr) Joint d'etancheite
BE891958A (fr) Joint d'etancheite
FR2573502B1 (fr) Joint d'etancheite a levre pour arbre tournant
DE3467037D1 (en) Method of directly measuring the airflow through a labyrinth seal of a turbo machine
FR2636691B1 (fr) Roulement avec joint d'etancheite
FR2516431B1 (fr) Appareil d'assemblage automatique de joints homocinetiques
IT1173111B (it) Controllo isocrono di velocita' di turbina a gas
GB2094464B (en) Gas turbine combustor
FR2527296B1 (fr) Perfectionnements aux joints d'etancheite
FR2541412B1 (fr) Garniture d'etancheite d'arbre de turbine
FR2515281B1 (fr) Mode d'assemblage d'elements d'etancheite bitumineux
FR2517789B1 (fr) Joint d'etancheite
FR2567981B1 (fr) Perfectionnements aux joints d'etancheite a levre

Legal Events

Date Code Title Description
ST Notification of lapse