FR1476987A - Perfectionnements aux dispositifs d'étanchéité pour compresseurs - Google Patents
Perfectionnements aux dispositifs d'étanchéité pour compresseursInfo
- Publication number
- FR1476987A FR1476987A FR4923A FR38004923A FR1476987A FR 1476987 A FR1476987 A FR 1476987A FR 4923 A FR4923 A FR 4923A FR 38004923 A FR38004923 A FR 38004923A FR 1476987 A FR1476987 A FR 1476987A
- Authority
- FR
- France
- Prior art keywords
- compressors
- sealing devices
- sealing
- devices
- 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
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
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
-
- 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
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US449738A US3303997A (en) | 1965-04-21 | 1965-04-21 | Compressor air seal |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1476987A true FR1476987A (fr) | 1967-04-14 |
Family
ID=23785295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR4923A Expired FR1476987A (fr) | 1965-04-21 | 1966-04-21 | Perfectionnements aux dispositifs d'étanchéité pour compresseurs |
Country Status (5)
Country | Link |
---|---|
US (1) | US3303997A (fr) |
DE (1) | DE1525907A1 (fr) |
FR (1) | FR1476987A (fr) |
GB (1) | GB1081158A (fr) |
SE (1) | SE311558B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3013096A1 (fr) * | 2013-11-14 | 2015-05-15 | Snecma | Systeme d'etancheite a deux rangees de lechettes complementaires |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1551193A1 (de) * | 1967-05-16 | 1970-03-12 | Licentia Gmbh | Schnellstartturbine |
DE2163096B2 (de) * | 1971-12-18 | 1974-02-14 | Gutehoffnungshuette Sterkrade Ag, 4200 Oberhausen | Verfahren zur Wiederaufwärmung eines verdichteten Gasstromes über dem Taupunkt |
US3791759A (en) * | 1972-06-07 | 1974-02-12 | Us Air Force | Turbine pressure attenuation plenum chambers |
US4554789A (en) * | 1979-02-26 | 1985-11-26 | General Electric Company | Seal cooling apparatus |
GB2042086B (en) * | 1979-02-26 | 1983-10-12 | Gen Electric | Gas turbine engine seal |
US4852355A (en) * | 1980-12-22 | 1989-08-01 | General Electric Company | Dispensing arrangement for pressurized air |
US9206705B2 (en) * | 2012-03-07 | 2015-12-08 | Mitsubishi Hitachi Power Systems, Ltd. | Sealing device and gas turbine having the same |
US9583456B2 (en) | 2013-11-22 | 2017-02-28 | Invensas Corporation | Multiple bond via arrays of different wire heights on a same substrate |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1978239A (en) * | 1930-04-21 | 1934-10-23 | Elizabeth Wheeler | Multistage impact packing |
US2084909A (en) * | 1934-06-08 | 1937-06-22 | Gen Electric | Packing arrangement |
US2647684A (en) * | 1947-03-13 | 1953-08-04 | Rolls Royce | Gas turbine engine |
US2722101A (en) * | 1948-12-21 | 1955-11-01 | Solar Aircraft Co | Gas turbine sealing and cooling structure |
US2682363A (en) * | 1950-12-08 | 1954-06-29 | Rolls Royce | Gas turbine engine |
US2937495A (en) * | 1956-02-27 | 1960-05-24 | Power Jets Res & Dev Ltd | Gas turbine plant |
FR1262633A (fr) * | 1960-04-19 | 1961-06-05 | Rateau Soc | Dispositif pour diminuer l'échauffement des turbines |
GB969579A (en) * | 1962-11-09 | 1964-09-09 | Rolls Royce | Gas turbine engine |
US3189320A (en) * | 1963-04-29 | 1965-06-15 | Westinghouse Electric Corp | Method of cooling turbine rotors and discs |
-
1965
- 1965-04-21 US US449738A patent/US3303997A/en not_active Expired - Lifetime
-
1966
- 1966-04-06 GB GB15442/66A patent/GB1081158A/en not_active Expired
- 1966-04-07 DE DE19661525907 patent/DE1525907A1/de active Pending
- 1966-04-20 SE SE5380/66A patent/SE311558B/xx unknown
- 1966-04-21 FR FR4923A patent/FR1476987A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3013096A1 (fr) * | 2013-11-14 | 2015-05-15 | Snecma | Systeme d'etancheite a deux rangees de lechettes complementaires |
WO2015071585A1 (fr) * | 2013-11-14 | 2015-05-21 | Snecma | Systeme d'etancheite a deux rangees de lechettes complementaires |
US10138745B2 (en) | 2013-11-14 | 2018-11-27 | Safran Aircraft Engines | Sealing system with two rows of complementary sealing elements |
Also Published As
Publication number | Publication date |
---|---|
GB1081158A (en) | 1967-08-31 |
US3303997A (en) | 1967-02-14 |
DE1525907A1 (de) | 1970-07-02 |
SE311558B (fr) | 1969-06-16 |
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