FR2785355B1 - Joint d'etancheite flottant entre deux enceintes a pressions differentes - Google Patents
Joint d'etancheite flottant entre deux enceintes a pressions differentesInfo
- Publication number
- FR2785355B1 FR2785355B1 FR9813563A FR9813563A FR2785355B1 FR 2785355 B1 FR2785355 B1 FR 2785355B1 FR 9813563 A FR9813563 A FR 9813563A FR 9813563 A FR9813563 A FR 9813563A FR 2785355 B1 FR2785355 B1 FR 2785355B1
- Authority
- FR
- France
- Prior art keywords
- different pressure
- floating seal
- pressure enclosures
- enclosures
- floating
- 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 - Lifetime
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
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
- F16J15/3288—Filamentary structures, e.g. brush seals
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3448—Pressing means the pressing force resulting from fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9813563A FR2785355B1 (fr) | 1998-10-29 | 1998-10-29 | Joint d'etancheite flottant entre deux enceintes a pressions differentes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9813563A FR2785355B1 (fr) | 1998-10-29 | 1998-10-29 | Joint d'etancheite flottant entre deux enceintes a pressions differentes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2785355A1 FR2785355A1 (fr) | 2000-05-05 |
FR2785355B1 true FR2785355B1 (fr) | 2000-12-01 |
Family
ID=9532124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9813563A Expired - Lifetime FR2785355B1 (fr) | 1998-10-29 | 1998-10-29 | Joint d'etancheite flottant entre deux enceintes a pressions differentes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2785355B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2831637B1 (fr) * | 2001-10-25 | 2004-01-30 | Snecma Moteurs | Joint d'etancheite a deux levres concentriques |
US8777563B2 (en) * | 2011-01-31 | 2014-07-15 | General Electric Company | Axial brush seal |
FR3007062B1 (fr) * | 2013-06-12 | 2017-12-08 | Snecma | Joint axial comprenant un corps coulissant de reglage de jeu, et turbomachine d'aeronef |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3606349A (en) * | 1969-08-07 | 1971-09-20 | Rolls Royce | Seal with pressure responsive tolerance control |
DE1948234B2 (de) * | 1969-09-24 | 1972-03-02 | Ehrhardt & Sehmer Maschinenfabrik AG, 6600 Saarbrücken | In nuten gefuehrter radialdichtring |
DE2554037C3 (de) * | 1975-12-02 | 1981-01-15 | Dieter Dipl.-Ing. 7432 Urach Weigle | Dichtungsanordnung für die Abdichtung bei hohen Drücken |
DE3441351C2 (de) * | 1984-11-13 | 1986-10-02 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen | Fliehkraft-Gleitringdichtung |
US5370402A (en) * | 1993-05-07 | 1994-12-06 | Eg&G Sealol, Inc. | Pressure balanced compliant seal device |
FR2741110B1 (fr) * | 1995-11-15 | 1997-12-05 | Snecma | Dispositif d'etancheite a brosses axiales et asservi par pression statique en deplacement axial |
-
1998
- 1998-10-29 FR FR9813563A patent/FR2785355B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2785355A1 (fr) | 2000-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
CL | Concession to grant licences | ||
CD | Change of name or company name | ||
PLFP | Fee payment |
Year of fee payment: 18 |
|
PLFP | Fee payment |
Year of fee payment: 19 |
|
PLFP | Fee payment |
Year of fee payment: 20 |
|
CD | Change of name or company name |
Owner name: SNECMA, FR Effective date: 20170713 |