IT7927210A0 - Di tenute specialmente di turbine metodo e apparato per raffredamento a gas. - Google Patents
Di tenute specialmente di turbine metodo e apparato per raffredamento a gas.Info
- Publication number
- IT7927210A0 IT7927210A0 IT7927210A IT2721079A IT7927210A0 IT 7927210 A0 IT7927210 A0 IT 7927210A0 IT 7927210 A IT7927210 A IT 7927210A IT 2721079 A IT2721079 A IT 2721079A IT 7927210 A0 IT7927210 A0 IT 7927210A0
- Authority
- IT
- Italy
- Prior art keywords
- equipment
- gas cooling
- turbine method
- seals especially
- seals
- Prior art date
Links
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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)
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 true IT7927210A0 (it) | 1979-11-12 |
| IT1125667B 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 (12)
| 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 |
| CN119801721B (zh) * | 2025-01-03 | 2025-11-07 | 中国航发湖南动力机械研究所 | 发动机 |
Family Cites Families (9)
| 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 |
-
1979
- 1979-10-01 GB GB7933920A patent/GB2042086B/en not_active Expired
- 1979-11-12 IT IT27210/79A patent/IT1125667B/it active
- 1979-11-22 JP JP15077179A patent/JPS55114852A/ja active Granted
- 1979-11-24 DE DE2947439A patent/DE2947439C2/de not_active Expired - Lifetime
- 1979-11-26 FR FR7929044A patent/FR2449789A1/fr active Granted
-
1980
- 1980-02-01 CA CA000344942A patent/CA1140474A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2042086B (en) | 1983-10-12 |
| CA1140474A (en) | 1983-02-01 |
| JPS55114852A (en) | 1980-09-04 |
| FR2449789A1 (fr) | 1980-09-19 |
| FR2449789B1 (it) | 1984-10-19 |
| JPS631452B2 (it) | 1988-01-12 |
| DE2947439C2 (de) | 1994-09-22 |
| IT1125667B (it) | 1986-05-14 |
| GB2042086A (en) | 1980-09-17 |
| DE2947439A1 (de) | 1980-08-28 |
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