FR2639674B1 - Dispositif d'etancheite pour les chambres menagees entre les arbres coaxiaux de turbomachines - Google Patents
Dispositif d'etancheite pour les chambres menagees entre les arbres coaxiaux de turbomachinesInfo
- Publication number
- FR2639674B1 FR2639674B1 FR8915326A FR8915326A FR2639674B1 FR 2639674 B1 FR2639674 B1 FR 2639674B1 FR 8915326 A FR8915326 A FR 8915326A FR 8915326 A FR8915326 A FR 8915326A FR 2639674 B1 FR2639674 B1 FR 2639674B1
- Authority
- FR
- France
- Prior art keywords
- turbomachines
- houses
- housed
- sealing device
- coaxial shafts
- 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 - Fee Related
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
- F16J15/441—Free-space packings with floating ring
-
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/22—Lubricating arrangements using working-fluid or other gaseous fluid as lubricant
-
- 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
- F16J15/54—Other sealings for rotating shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Mechanical Sealing (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883839843 DE3839843C2 (de) | 1988-11-25 | 1988-11-25 | Wellendichtung für Turbomaschinen, insbesondere Gasturbinentriebwerke |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2639674A1 FR2639674A1 (fr) | 1990-06-01 |
FR2639674B1 true FR2639674B1 (fr) | 1994-08-12 |
Family
ID=6367894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8915326A Expired - Fee Related FR2639674B1 (fr) | 1988-11-25 | 1989-11-22 | Dispositif d'etancheite pour les chambres menagees entre les arbres coaxiaux de turbomachines |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3839843C2 (fr) |
FR (1) | FR2639674B1 (fr) |
GB (1) | GB2225394B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19735932C1 (de) * | 1997-08-08 | 1999-02-11 | Mannesmann Ag | Wellenabdichtung einer Turbomaschine |
US6132168A (en) * | 1998-12-23 | 2000-10-17 | United Technologies Corporation | Balancing a pressure drop across ring seals in gas turbine engines |
US6752592B2 (en) | 2001-12-28 | 2004-06-22 | General Electric Company | Supplemental seal for the chordal hinge seals in a gas turbine |
US6659472B2 (en) | 2001-12-28 | 2003-12-09 | General Electric Company | Seal for gas turbine nozzle and shroud interface |
US7186081B2 (en) * | 2004-08-27 | 2007-03-06 | Honeywell International, Inc. | Air turbine starter enhancement for clearance seal utilization |
US8049386B2 (en) | 2009-05-08 | 2011-11-01 | Hamilton Sundstrand Corporation | Seal cartridge |
FR3059041B1 (fr) * | 2016-11-21 | 2020-05-08 | Safran Aircraft Engines | Dispositif de pilotage rotor/stator avec lechette a ressort |
CN114017561B (zh) * | 2021-11-18 | 2023-06-27 | 西安航天动力研究所 | 一种适用于航空航天发动机管路的密封结构 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964339A (en) * | 1955-01-26 | 1960-12-13 | Macks Elmer Fred | Seal |
NL258319A (fr) * | 1959-12-03 | |||
DE1226379B (de) * | 1961-11-07 | 1966-10-06 | Licentia Gmbh | Rotordichtung mit Dichtringsegmenten |
CH450081A (de) * | 1965-07-01 | 1968-01-15 | Licentia Gmbh | Schwimmringdichtung |
US3377075A (en) * | 1966-01-19 | 1968-04-09 | Allis Chalmers Mfg Co | Rotating shaft seal retainer |
US3572733A (en) * | 1969-01-02 | 1971-03-30 | Gen Electric | Shaft seal used in gas turbine engines |
US3743303A (en) * | 1970-12-29 | 1973-07-03 | Gen Electric | Force balanced split ring dynamic shaft seals |
US4082296A (en) * | 1976-05-26 | 1978-04-04 | Stein Philip C | Seal for sealing between a rotating member and a housing |
GB2063385B (en) * | 1979-11-23 | 1983-06-22 | Cross Mfg Co 1938 Ltd | Gas seals |
EP0097800B1 (fr) * | 1982-06-25 | 1989-03-08 | MAN Gutehoffnungshütte Aktiengesellschaft | Joint d'arbre avec réglage électro-magnétique de l'interstice d'étanchéité |
GB2131895B (en) * | 1982-12-14 | 1986-04-23 | Rolls Royce | Improvements in or relating to seals |
DE3542826A1 (de) * | 1985-12-04 | 1987-06-11 | Mtu Muenchen Gmbh | Wellendichtungseinrichtung fuer turbomaschinen, insbesondere gasturbinentriebwerke |
DE3617279A1 (de) * | 1986-05-23 | 1987-11-26 | Mtu Muenchen Gmbh | Dichtung in geteilter ringscheibe |
-
1988
- 1988-11-25 DE DE19883839843 patent/DE3839843C2/de not_active Expired - Fee Related
-
1989
- 1989-11-22 FR FR8915326A patent/FR2639674B1/fr not_active Expired - Fee Related
- 1989-11-24 GB GB8926600A patent/GB2225394B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3839843C2 (de) | 1995-04-06 |
GB8926600D0 (en) | 1990-01-17 |
FR2639674A1 (fr) | 1990-06-01 |
GB2225394A (en) | 1990-05-30 |
GB2225394B (en) | 1992-09-30 |
DE3839843A1 (de) | 1990-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |