FR3080646B1 - SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE - Google Patents

SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE Download PDF

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Publication number
FR3080646B1
FR3080646B1 FR1853651A FR1853651A FR3080646B1 FR 3080646 B1 FR3080646 B1 FR 3080646B1 FR 1853651 A FR1853651 A FR 1853651A FR 1853651 A FR1853651 A FR 1853651A FR 3080646 B1 FR3080646 B1 FR 3080646B1
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FR
France
Prior art keywords
wheel
movable
fixed
turbomachine
fixed wheel
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Active
Application number
FR1853651A
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French (fr)
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FR3080646A1 (en
Inventor
Jacques Attilio Fanelli Jeremy
Jacques Andre Bassery Josserand
Jean Philippe Dupeyre Raphael
Leon Francois Etienne
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
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Safran Aircraft Engines SAS
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Application filed by Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1853651A priority Critical patent/FR3080646B1/en
Publication of FR3080646A1 publication Critical patent/FR3080646A1/en
Application granted granted Critical
Publication of FR3080646B1 publication Critical patent/FR3080646B1/en
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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
    • F01D11/122—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
    • 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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Ensemble (1) pour une turbomachine (2) comprenant une roue mobile (3) autour d'un axe (X) et une roue fixe (4) adjacente sectorisée axialement décalée, ladite roue mobile (3) comprenant une pluralité d'aubes mobiles (5) délimitées chacune radialement par un plateau (6) présentant un becquet (7, 8) en saillie axiale, ladite roue fixe (4) comprenant une pluralité d'aubes fixes (9) délimitées radialement par une plateforme (10) annulaire, ladite roue fixe (4) comprenant un anneau (11) centré sur ledit axe (X) et monté mobile en translation axiale sur ladite plateforme (10) via au moins un amortisseur (12), ledit anneau (11) comprenant un revêtement abradable (13), ladite roue fixe (4) et ledit revêtement abradable (13) étant configurés pour que le revêtement abradable (13) soit en contact axial avec les becquets (7, 8) desdites aubes mobiles (5) lorsque la vitesse de rotation de la roue mobile (3) est supérieure à une valeur prédéterminée.Assembly (1) for a turbomachine (2) comprising a movable wheel (3) around an axis (X) and an adjacent fixed wheel (4) sectorized axially offset, said movable wheel (3) comprising a plurality of movable blades (5) each delimited radially by a plate (6) having a spoiler (7, 8) projecting axially, said fixed wheel (4) comprising a plurality of fixed vanes (9) delimited radially by a platform (10) annular, said fixed wheel (4) comprising a ring (11) centered on said axis (X) and mounted movable in axial translation on said platform (10) via at least one damper (12), said ring (11) comprising an abradable coating ( 13), said fixed wheel (4) and said abradable coating (13) being configured so that the abradable coating (13) is in axial contact with the spoilers (7, 8) of said movable blades (5) when the speed of rotation of the movable wheel (3) is greater than a predetermined value.

FR1853651A 2018-04-26 2018-04-26 SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE Active FR3080646B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1853651A FR3080646B1 (en) 2018-04-26 2018-04-26 SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853651 2018-04-26
FR1853651A FR3080646B1 (en) 2018-04-26 2018-04-26 SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE

Publications (2)

Publication Number Publication Date
FR3080646A1 FR3080646A1 (en) 2019-11-01
FR3080646B1 true FR3080646B1 (en) 2020-03-27

Family

ID=62597761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1853651A Active FR3080646B1 (en) 2018-04-26 2018-04-26 SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE

Country Status (1)

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FR (1) FR3080646B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3103209B1 (en) * 2019-11-20 2022-05-27 Safran Aircraft Engines Labyrinth seal comprising a sliding abradable element
FR3127518A1 (en) * 2021-09-28 2023-03-31 Safran Helicopter Engines TURBOMACHINE STAGE INCLUDING AT LEAST ONE SEAL RING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080061515A1 (en) * 2006-09-08 2008-03-13 Eric Durocher Rim seal for a gas turbine engine
US9145788B2 (en) * 2012-01-24 2015-09-29 General Electric Company Retrofittable interstage angled seal
EP2886801B1 (en) * 2013-12-20 2019-04-24 Ansaldo Energia IP UK Limited Seal system for a gas turbine and corresponding gas turbine
FR3027341B1 (en) * 2014-10-15 2020-10-23 Snecma ROTARY ASSEMBLY FOR TURBOMACHINE INCLUDING A SELF-PROPORTED ROTOR CRANKSET

Also Published As

Publication number Publication date
FR3080646A1 (en) 2019-11-01

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