FR2353704B3 - - Google Patents
Info
- Publication number
- FR2353704B3 FR2353704B3 FR7717265A FR7717265A FR2353704B3 FR 2353704 B3 FR2353704 B3 FR 2353704B3 FR 7717265 A FR7717265 A FR 7717265A FR 7717265 A FR7717265 A FR 7717265A FR 2353704 B3 FR2353704 B3 FR 2353704B3
- Authority
- FR
- France
- 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
- 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)
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 FR2353704A1 (fr) | 1977-12-30 |
| FR2353704B3 true 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) |
Families Citing this family (16)
| 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 |
| CA2932601C (en) * | 2015-06-17 | 2023-10-03 | Rolls-Royce Corporation | Labyrinth seal with tunable flow splitter |
| 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)
| 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 |
-
1976
- 1976-06-05 DE DE19762625551 patent/DE2625551A1/de not_active Ceased
-
1977
- 1977-06-03 US US05/803,383 patent/US4099727A/en not_active Expired - Lifetime
- 1977-06-06 FR FR7717265A patent/FR2353704A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2625551A1 (de) | 1977-12-15 |
| FR2353704A1 (fr) | 1977-12-30 |
| US4099727A (en) | 1978-07-11 |