FR2785355B1 - Joint d'etancheite flottant entre deux enceintes a pressions differentes - Google Patents

Joint d'etancheite flottant entre deux enceintes a pressions differentes

Info

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
Application number
FR9813563A
Other languages
English (en)
Other versions
FR2785355A1 (fr
Inventor
Daniel Olivier Bainachi
Telmon Guy Frank Paul Dusserre
Daniel Georges Plona
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR9813563A priority Critical patent/FR2785355B1/fr
Publication of FR2785355A1 publication Critical patent/FR2785355A1/fr
Application granted granted Critical
Publication of FR2785355B1 publication Critical patent/FR2785355B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
FR9813563A 1998-10-29 1998-10-29 Joint d'etancheite flottant entre deux enceintes a pressions differentes Expired - Lifetime FR2785355B1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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