FR3081910B1 - Dispositif d'etancheite entre deux parois annulaires d'un moteur d'aeronef et procede associe - Google Patents

Dispositif d'etancheite entre deux parois annulaires d'un moteur d'aeronef et procede associe Download PDF

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Publication number
FR3081910B1
FR3081910B1 FR1854548A FR1854548A FR3081910B1 FR 3081910 B1 FR3081910 B1 FR 3081910B1 FR 1854548 A FR1854548 A FR 1854548A FR 1854548 A FR1854548 A FR 1854548A FR 3081910 B1 FR3081910 B1 FR 3081910B1
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FR
France
Prior art keywords
sealing device
aircraft engine
associated method
annular walls
annular
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
FR1854548A
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English (en)
Other versions
FR3081910A1 (fr
Inventor
Eddy Keomorakott Souryavongsa
Gilles Pierre-Marie Notarianni
Adrien Jacques Philippe Fabre
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
Safran Aircraft Engines 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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1854548A priority Critical patent/FR3081910B1/fr
Publication of FR3081910A1 publication Critical patent/FR3081910A1/fr
Application granted granted Critical
Publication of FR3081910B1 publication Critical patent/FR3081910B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F01D11/06—Control thereof
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR1854548A 2018-05-29 2018-05-29 Dispositif d'etancheite entre deux parois annulaires d'un moteur d'aeronef et procede associe Active FR3081910B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1854548A FR3081910B1 (fr) 2018-05-29 2018-05-29 Dispositif d'etancheite entre deux parois annulaires d'un moteur d'aeronef et procede associe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1854548 2018-05-29
FR1854548A FR3081910B1 (fr) 2018-05-29 2018-05-29 Dispositif d'etancheite entre deux parois annulaires d'un moteur d'aeronef et procede associe

Publications (2)

Publication Number Publication Date
FR3081910A1 FR3081910A1 (fr) 2019-12-06
FR3081910B1 true FR3081910B1 (fr) 2022-12-30

Family

ID=62875014

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1854548A Active FR3081910B1 (fr) 2018-05-29 2018-05-29 Dispositif d'etancheite entre deux parois annulaires d'un moteur d'aeronef et procede associe

Country Status (1)

Country Link
FR (1) FR3081910B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2111607B (en) * 1981-12-08 1985-09-18 Rolls Royce Bearing chamber pressurisation system for a machine
US4715213A (en) * 1986-03-13 1987-12-29 General Electric Company Flow measurement system
RU2327061C1 (ru) * 2007-04-11 2008-06-20 Общество с ограниченной ответственностью Научно-исследовательское предприятие "Энерготехнология" Способ повышения коэффициента полезного действия компрессора
GB2507791A (en) * 2012-11-12 2014-05-14 Rolls Royce Plc Apparatus and method for measuring gas flow through a gas turbine rotary seal

Also Published As

Publication number Publication date
FR3081910A1 (fr) 2019-12-06

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