IT1125667B - Metodo e apparato per raffredamento di tenute specialmente di turbine a gas - Google Patents

Metodo e apparato per raffredamento di tenute specialmente di turbine a gas

Info

Publication number
IT1125667B
IT1125667B IT27210/79A IT2721079A IT1125667B IT 1125667 B IT1125667 B IT 1125667B IT 27210/79 A IT27210/79 A IT 27210/79A IT 2721079 A IT2721079 A IT 2721079A IT 1125667 B IT1125667 B IT 1125667B
Authority
IT
Italy
Prior art keywords
gas turbines
seals especially
cooling seals
cooling
turbines
Prior art date
Application number
IT27210/79A
Other languages
English (en)
Other versions
IT7927210A0 (it
Inventor
Phillip Daniel Napoli
William Roy Patterson
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT7927210A0 publication Critical patent/IT7927210A0/it
Application granted granted Critical
Publication of IT1125667B publication Critical patent/IT1125667B/it

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)
IT27210/79A 1979-02-26 1979-11-12 Metodo e apparato per raffredamento di tenute specialmente di turbine a gas IT1125667B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1557879A 1979-02-26 1979-02-26

Publications (2)

Publication Number Publication Date
IT7927210A0 IT7927210A0 (it) 1979-11-12
IT1125667B true IT1125667B (it) 1986-05-14

Family

ID=21772249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27210/79A IT1125667B (it) 1979-02-26 1979-11-12 Metodo e apparato per raffredamento di tenute specialmente di turbine a gas

Country Status (6)

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

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 (en) * 2018-03-14 2019-09-18 General Electric Company Inter-stage cavity purge ducts
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 (it) 1984-10-19
JPS631452B2 (it) 1988-01-12
IT7927210A0 (it) 1979-11-12
FR2449789A1 (fr) 1980-09-19
CA1140474A (en) 1983-02-01
DE2947439C2 (de) 1994-09-22
GB2042086A (en) 1980-09-17
JPS55114852A (en) 1980-09-04

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