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FR2961283B1 - Joint asservi par une difference de pression entre deux enceintes - Google Patents

Joint asservi par une difference de pression entre deux enceintes

Info

Publication number
FR2961283B1
FR2961283B1 FR1054654A FR1054654A FR2961283B1 FR 2961283 B1 FR2961283 B1 FR 2961283B1 FR 1054654 A FR1054654 A FR 1054654A FR 1054654 A FR1054654 A FR 1054654A FR 2961283 B1 FR2961283 B1 FR 2961283B1
Authority
FR
France
Prior art keywords
enclosures
pressure difference
joint secured
secured
joint
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.)
Active
Application number
FR1054654A
Other languages
English (en)
Other versions
FR2961283A1 (fr
Inventor
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
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1054654A priority Critical patent/FR2961283B1/fr
Publication of FR2961283A1 publication Critical patent/FR2961283A1/fr
Application granted granted Critical
Publication of FR2961283B1 publication Critical patent/FR2961283B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
    • 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
    • F16J15/44—Free-space packings
    • F16J15/445—Free-space packings with means for adjusting the clearance
    • 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
    • F16J15/4472—Labyrinth packings with axial path
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR1054654A 2010-06-11 2010-06-11 Joint asservi par une difference de pression entre deux enceintes Active FR2961283B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1054654A FR2961283B1 (fr) 2010-06-11 2010-06-11 Joint asservi par une difference de pression entre deux enceintes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054654A FR2961283B1 (fr) 2010-06-11 2010-06-11 Joint asservi par une difference de pression entre deux enceintes

Publications (2)

Publication Number Publication Date
FR2961283A1 FR2961283A1 (fr) 2011-12-16
FR2961283B1 true FR2961283B1 (fr) 2013-07-05

Family

ID=43501133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1054654A Active FR2961283B1 (fr) 2010-06-11 2010-06-11 Joint asservi par une difference de pression entre deux enceintes

Country Status (1)

Country Link
FR (1) FR2961283B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3011608B1 (fr) * 2013-10-09 2016-05-27 Snecma Joint a labyrinthe et machine tournante comprenant un tel joint

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6145840A (en) * 1995-06-02 2000-11-14 Stein Seal Company Radial flow seals for rotating shafts which deliberately induce turbulent flow along the seal gap
FR2831637B1 (fr) * 2001-10-25 2004-01-30 Snecma Moteurs Joint d'etancheite a deux levres concentriques
US6676369B2 (en) * 2002-03-26 2004-01-13 General Electric Company Aspirating face seal with axially extending seal teeth

Also Published As

Publication number Publication date
FR2961283A1 (fr) 2011-12-16

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Owner name: SAFRAN AIRCRAFT ENGINES, FR

Effective date: 20170717

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