FR2353704A1 - Dispositif d'etancheite de la chambre de coussinet d'une turbomachine, notamment d'un propulseur a turbine a gaz - Google Patents

Dispositif d'etancheite de la chambre de coussinet d'une turbomachine, notamment d'un propulseur a turbine a gaz

Info

Publication number
FR2353704A1
FR2353704A1 FR7717265A FR7717265A FR2353704A1 FR 2353704 A1 FR2353704 A1 FR 2353704A1 FR 7717265 A FR7717265 A FR 7717265A FR 7717265 A FR7717265 A FR 7717265A FR 2353704 A1 FR2353704 A1 FR 2353704A1
Authority
FR
France
Prior art keywords
turbomachine
gas turbine
sealing device
bearing chamber
turbine throttle
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.)
Granted
Application number
FR7717265A
Other languages
English (en)
French (fr)
Other versions
FR2353704B3 (OSRAM
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 FR2353704A1 publication Critical patent/FR2353704A1/fr
Application granted granted Critical
Publication of FR2353704B3 publication Critical patent/FR2353704B3/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/443—Free-space packings provided with discharge channels
    • 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
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7717265A 1976-06-05 1977-06-06 Dispositif d'etancheite de la chambre de coussinet d'une turbomachine, notamment d'un propulseur a turbine a gaz Granted FR2353704A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762625551 DE2625551A1 (de) 1976-06-05 1976-06-05 Einrichtung zur abdichtung der lagerkammer einer turbomaschine, insbesondere eines gasturbinentriebwerks

Publications (2)

Publication Number Publication Date
FR2353704A1 true FR2353704A1 (fr) 1977-12-30
FR2353704B3 FR2353704B3 (OSRAM) 1980-05-23

Family

ID=5980021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717265A Granted FR2353704A1 (fr) 1976-06-05 1977-06-06 Dispositif d'etancheite de la chambre de coussinet d'une turbomachine, notamment d'un propulseur a turbine a gaz

Country Status (3)

Country Link
US (1) US4099727A (OSRAM)
DE (1) DE2625551A1 (OSRAM)
FR (1) FR2353704A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3112604A1 (en) * 2015-06-17 2017-01-04 Rolls-Royce Corporation Labyrinth seal with tunable flow splitter

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4500096A (en) * 1983-02-22 1985-02-19 Mcgraw-Edison Company Turbine shaft seal assembly
US4653267A (en) * 1983-05-31 1987-03-31 United Technologies Corporation Thrust balancing and cooling system
US4754984A (en) * 1987-01-02 1988-07-05 The United States Of America As Represented By The Secretary Of The Navy Dual-seal-ring shaft seal
US6311983B1 (en) 1989-09-26 2001-11-06 The Boeing Company Combination static lift-off face contact seal and floating ring shaft seal
DE4239586C1 (de) * 1992-11-25 1994-01-13 Ruhrgas Ag Turbomaschinenanlage sowie Verfahren zum Abdichten einer Turbomaschine
US5344160A (en) * 1992-12-07 1994-09-06 General Electric Company Shaft sealing of steam turbines
US6125551A (en) * 1998-03-17 2000-10-03 Verteq, Inc. Gas seal and support for rotating semiconductor processor
US6318958B1 (en) 1998-08-21 2001-11-20 Alliedsignal, Inc. Air turbine starter with seal assembly
US6623238B2 (en) 1998-08-21 2003-09-23 Honeywell International, Inc. Air turbine starter with seal assembly
GB9913072D0 (en) * 1999-06-04 1999-08-04 Cryostar France Sa Machine
US6330790B1 (en) 1999-10-27 2001-12-18 Alliedsignal, Inc. Oil sump buffer seal
US8100636B2 (en) * 2008-03-26 2012-01-24 Air Liquide Process & Construction, Inc. Recovery of expander-booster leak gas
US8529200B2 (en) * 2010-01-05 2013-09-10 General Electric Company Sealing and purging arrangement for a main bearing region
US10344869B2 (en) * 2016-05-31 2019-07-09 Rolls-Royce Corporation Labyrinth seal with lubricant directing projection
US11280208B2 (en) 2019-08-14 2022-03-22 Pratt & Whitney Canada Corp. Labyrinth seal assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB227536A (en) * 1923-10-20 1925-01-20 Gen Electric Co Ltd Improvements in packing glands for elastic fluid turbines or the like
US1872251A (en) * 1930-10-20 1932-08-16 Westinghouse Electric & Mfg Co Bearing assembly
DE573542C (de) * 1931-03-15 1933-04-01 Bbc Brown Boveri & Cie UEberdruck-Dampf- oder -Gasturbine
US2640319A (en) * 1949-02-12 1953-06-02 Packard Motor Car Co Cooling of gas turbines
DE975981C (de) * 1952-02-20 1963-01-03 Siemens Ag Wellenabdichtung fuer Lager, insbesondere solche von elektrischen Maschinen
GB780537A (en) * 1954-06-19 1957-08-07 Ag Fuer Technische Studien Liquid sealing device for packing the shaft of a turbine or compressor
US2941852A (en) * 1955-03-04 1960-06-21 Lawrence J Fuller Apparatus for protecting bearings and lubrication system
CH418363A (de) * 1964-06-26 1966-08-15 Escher Wyss Ag Wellendichtung für eine thermische Maschine
US3537713A (en) * 1968-02-21 1970-11-03 Garrett Corp Wear-resistant labyrinth seal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3112604A1 (en) * 2015-06-17 2017-01-04 Rolls-Royce Corporation Labyrinth seal with tunable flow splitter
US10415735B2 (en) 2015-06-17 2019-09-17 Rolls-Royce Corporation Labyrinth seal with tunable flow splitter

Also Published As

Publication number Publication date
DE2625551A1 (de) 1977-12-15
US4099727A (en) 1978-07-11
FR2353704B3 (OSRAM) 1980-05-23

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