FR3081498B1 - Joint labyrinthe de turbomachine avec lechette revetue - Google Patents

Joint labyrinthe de turbomachine avec lechette revetue Download PDF

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Publication number
FR3081498B1
FR3081498B1 FR1854289A FR1854289A FR3081498B1 FR 3081498 B1 FR3081498 B1 FR 3081498B1 FR 1854289 A FR1854289 A FR 1854289A FR 1854289 A FR1854289 A FR 1854289A FR 3081498 B1 FR3081498 B1 FR 3081498B1
Authority
FR
France
Prior art keywords
lechette
turbomachine
coated
labyrinth seal
labyrinth
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
FR1854289A
Other languages
English (en)
Other versions
FR3081498A1 (fr
Inventor
Guillaume Sylvain Frederic Evrard
Pragash Douglas
Quentin Bruno Guy Andre Emile Lievoux
Vijeay Patel
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 FR1854289A priority Critical patent/FR3081498B1/fr
Publication of FR3081498A1 publication Critical patent/FR3081498A1/fr
Application granted granted Critical
Publication of FR3081498B1 publication Critical patent/FR3081498B1/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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/127—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with a deformable or crushable structure, e.g. honeycomb
    • 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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR1854289A 2018-05-23 2018-05-23 Joint labyrinthe de turbomachine avec lechette revetue Active FR3081498B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1854289A FR3081498B1 (fr) 2018-05-23 2018-05-23 Joint labyrinthe de turbomachine avec lechette revetue

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1854289A FR3081498B1 (fr) 2018-05-23 2018-05-23 Joint labyrinthe de turbomachine avec lechette revetue
FR1854289 2018-05-23

Publications (2)

Publication Number Publication Date
FR3081498A1 FR3081498A1 (fr) 2019-11-29
FR3081498B1 true FR3081498B1 (fr) 2022-12-23

Family

ID=62816807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1854289A Active FR3081498B1 (fr) 2018-05-23 2018-05-23 Joint labyrinthe de turbomachine avec lechette revetue

Country Status (1)

Country Link
FR (1) FR3081498B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829524B1 (fr) * 2001-09-11 2004-03-05 Snecma Moteurs Procede de realisation de parties d'extremite radiales de pieces mobiles de turbomachines
FR2893359A1 (fr) * 2005-11-15 2007-05-18 Snecma Sa Lechette annulaire destinee a un laryrinthe d'etancheite, et son procede de fabrication
US8186946B2 (en) * 2009-04-17 2012-05-29 United Technologies Corporation Abrasive thermal coating
FR2980234B1 (fr) * 2011-09-16 2016-08-19 Snecma Aube pour turbomachine avec lechettes d'etancheite

Also Published As

Publication number Publication date
FR3081498A1 (fr) 2019-11-29

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