CA1140474A - Methode et dispositif de refroidissement d'une garniture d'etancheite - Google Patents

Methode et dispositif de refroidissement d'une garniture d'etancheite

Info

Publication number
CA1140474A
CA1140474A CA000344942A CA344942A CA1140474A CA 1140474 A CA1140474 A CA 1140474A CA 000344942 A CA000344942 A CA 000344942A CA 344942 A CA344942 A CA 344942A CA 1140474 A CA1140474 A CA 1140474A
Authority
CA
Canada
Prior art keywords
seal
compressor
air
cooling air
rotor
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
CA000344942A
Other languages
English (en)
Inventor
William R. Patterson
Phillip D. Napoli
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1140474A publication Critical patent/CA1140474A/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
    • F01D11/02—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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA000344942A 1979-02-26 1980-02-01 Methode et dispositif de refroidissement d'une garniture d'etancheite Expired CA1140474A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1557879A 1979-02-26 1979-02-26
US15,578 1979-02-26

Publications (1)

Publication Number Publication Date
CA1140474A true CA1140474A (fr) 1983-02-01

Family

ID=21772249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000344942A Expired CA1140474A (fr) 1979-02-26 1980-02-01 Methode et dispositif de refroidissement d'une garniture d'etancheite

Country Status (6)

Country Link
JP (1) JPS55114852A (fr)
CA (1) CA1140474A (fr)
DE (1) DE2947439C2 (fr)
FR (1) FR2449789A1 (fr)
GB (1) GB2042086B (fr)
IT (1) IT1125667B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397471A (en) * 1981-09-02 1983-08-09 General Electric Company Rotary pressure seal structure and method for reducing thermal stresses therein
US4513975A (en) * 1984-04-27 1985-04-30 General Electric Company Thermally responsive labyrinth seal
FR2570764B1 (fr) * 1984-09-27 1986-11-28 Snecma Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
DE3627306A1 (de) * 1986-02-28 1987-09-03 Mtu Muenchen Gmbh Einrichtung zur belueftung von rotorbauteilen fuer verdichter von gasturbinentriebwerken
US5211003A (en) * 1992-02-05 1993-05-18 General Electric Company Diffuser clean air bleed assembly
US7234918B2 (en) 2004-12-16 2007-06-26 Siemens Power Generation, Inc. Gap control system for turbine engines
US8167547B2 (en) * 2007-03-05 2012-05-01 United Technologies Corporation Gas turbine engine with canted pocket and canted knife edge seal
DE102012206090A1 (de) * 2012-04-13 2013-10-17 Rolls-Royce Deutschland Ltd & Co Kg Axialverdichter einer Turbomaschine
DE102013217504A1 (de) * 2013-09-03 2015-03-05 MTU Aero Engines AG Strömungsmaschine
EP3540180A1 (fr) * 2018-03-14 2019-09-18 General Electric Company Conduites de purge de cavité inter-étage
US11293295B2 (en) 2019-09-13 2022-04-05 Pratt & Whitney Canada Corp. Labyrinth seal with angled fins

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043561A (en) * 1958-12-29 1962-07-10 Gen Electric Turbine rotor ventilation system
US3303997A (en) * 1965-04-21 1967-02-14 United Aircraft Corp Compressor air seal
US3365172A (en) * 1966-11-02 1968-01-23 Gen Electric Air cooled shroud seal
CA939521A (en) * 1970-04-28 1974-01-08 Bruce R. Branstrom Turbine coolant flow system
CA982828A (en) * 1972-06-01 1976-02-03 General Electric Company Combustor casing cooling structure
US3989410A (en) * 1974-11-27 1976-11-02 General Electric Company Labyrinth seal system
US3986720A (en) * 1975-04-14 1976-10-19 General Electric Company Turbine shroud structure
US4103899A (en) * 1975-10-01 1978-08-01 United Technologies Corporation Rotary seal with pressurized air directed at fluid approaching the seal
US4113406A (en) * 1976-11-17 1978-09-12 Westinghouse Electric Corp. Cooling system for a gas turbine engine

Also Published As

Publication number Publication date
DE2947439A1 (de) 1980-08-28
GB2042086B (en) 1983-10-12
FR2449789B1 (fr) 1984-10-19
JPS631452B2 (fr) 1988-01-12
IT7927210A0 (it) 1979-11-12
FR2449789A1 (fr) 1980-09-19
DE2947439C2 (de) 1994-09-22
GB2042086A (en) 1980-09-17
IT1125667B (it) 1986-05-14
JPS55114852A (en) 1980-09-04

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Legal Events

Date Code Title Description
MKEX Expiry