FR3103209B1 - Joint d’étanchéité à labyrinthe comportant un élément abradable glissant - Google Patents

Joint d’étanchéité à labyrinthe comportant un élément abradable glissant Download PDF

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Publication number
FR3103209B1
FR3103209B1 FR1912968A FR1912968A FR3103209B1 FR 3103209 B1 FR3103209 B1 FR 3103209B1 FR 1912968 A FR1912968 A FR 1912968A FR 1912968 A FR1912968 A FR 1912968A FR 3103209 B1 FR3103209 B1 FR 3103209B1
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FR
France
Prior art keywords
labyrinth seal
sliding
abradable element
seal
abradable
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
FR1912968A
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English (en)
Other versions
FR3103209A1 (fr
Inventor
Florian Paul Roger Salson
Nicolas Jean-Marc Marcel Beauquin
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 FR1912968A priority Critical patent/FR3103209B1/fr
Publication of FR3103209A1 publication Critical patent/FR3103209A1/fr
Application granted granted Critical
Publication of FR3103209B1 publication Critical patent/FR3103209B1/fr
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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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/34—Arrangement of components translated

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)

Abstract

La présente invention concerne un joint d’étanchéité (10) à labyrinthe pour une turbomachine, en particulier d’aéronef, ledit joint d’étanchéité (10) s’étendant autour d’un axe (X) définissant une direction axiale et comportant un support (3) sur lequel est monté un élément abradable (1) configuré pour coopérer avec une léchette (9) d’un élément de rotor (5) situé en regard, le joint d’étanchéité (10) comprenant des moyens de coulissement configurés pour permettre une translation selon la direction axiale de l’élément abradable (1) par rapport au support (3). Figure pour l’abrégé : Fig. 1
FR1912968A 2019-11-20 2019-11-20 Joint d’étanchéité à labyrinthe comportant un élément abradable glissant Active FR3103209B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1912968A FR3103209B1 (fr) 2019-11-20 2019-11-20 Joint d’étanchéité à labyrinthe comportant un élément abradable glissant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1912968A FR3103209B1 (fr) 2019-11-20 2019-11-20 Joint d’étanchéité à labyrinthe comportant un élément abradable glissant
FR1912968 2019-11-20

Publications (2)

Publication Number Publication Date
FR3103209A1 FR3103209A1 (fr) 2021-05-21
FR3103209B1 true FR3103209B1 (fr) 2022-05-27

Family

ID=69572197

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1912968A Active FR3103209B1 (fr) 2019-11-20 2019-11-20 Joint d’étanchéité à labyrinthe comportant un élément abradable glissant

Country Status (1)

Country Link
FR (1) FR3103209B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008007321A1 (de) * 2008-02-02 2009-08-13 Mtu Aero Engines Gmbh Vorrichtung mit Rotor, Gehäuse und Anstreifdichtung
JP5315230B2 (ja) * 2009-12-28 2013-10-16 株式会社日立製作所 シール装置
US9829007B2 (en) * 2014-05-23 2017-11-28 General Electric Company Turbine sealing system
FR3058756B1 (fr) * 2016-11-15 2020-10-16 Safran Aircraft Engines Turbine pour turbomachine
FR3058755B1 (fr) * 2016-11-15 2020-09-25 Safran Aircraft Engines Turbine pour turbomachine
FR3066533B1 (fr) * 2017-05-17 2019-06-14 Safran Aircraft Engines Ensemble d'etancheite pour une turbomachine
FR3080646B1 (fr) * 2018-04-26 2020-03-27 Safran Aircraft Engines Etancheite entre une roue fixe et une roue mobile d'une turbomachine

Also Published As

Publication number Publication date
FR3103209A1 (fr) 2021-05-21

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