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FR3039589B1 - Etage de turbomachine, en particulier de turbine basse-pression - Google Patents

Etage de turbomachine, en particulier de turbine basse-pression Download PDF

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Publication number
FR3039589B1
FR3039589B1 FR1557205A FR1557205A FR3039589B1 FR 3039589 B1 FR3039589 B1 FR 3039589B1 FR 1557205 A FR1557205 A FR 1557205A FR 1557205 A FR1557205 A FR 1557205A FR 3039589 B1 FR3039589 B1 FR 3039589B1
Authority
FR
France
Prior art keywords
ferrule
pressure turbine
particularly low
turbomachine stage
internal
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
FR1557205A
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English (en)
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FR3039589A1 (fr
Inventor
Stephane Garnier Fabien
Bernard Loiseau Cyril
Christian Pellier Philippe
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
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 Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1557205A priority Critical patent/FR3039589B1/fr
Publication of FR3039589A1 publication Critical patent/FR3039589A1/fr
Application granted granted Critical
Publication of FR3039589B1 publication Critical patent/FR3039589B1/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
    • F01D11/001—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

L'invention concerne un étage de turbomachine, en particulier de turbine basse-pression (1), comportant un rotor (2) comprenant un disque (3) portant des aubes mobiles (4), et un stator comportant des aubes fixes dont la périphérie externe est reliée à un carter externe et dont la périphérie interne comprend une virole interne (12) portant au moins un bloc de matériau abradable (12a), le rotor (2) comportant au moins une virole d'étanchéité (15) comprenant au moins une léchette (15a) apte à coopérer avec le bloc de matériau abradable (12a), caractérisé en ce que la virole interne (12) comporte au moins un organe formant obstacle (32, 33) s'étendant en direction de la virole d'étanchéité (15).
FR1557205A 2015-07-28 2015-07-28 Etage de turbomachine, en particulier de turbine basse-pression Active FR3039589B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1557205A FR3039589B1 (fr) 2015-07-28 2015-07-28 Etage de turbomachine, en particulier de turbine basse-pression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1557205 2015-07-28
FR1557205A FR3039589B1 (fr) 2015-07-28 2015-07-28 Etage de turbomachine, en particulier de turbine basse-pression

Publications (2)

Publication Number Publication Date
FR3039589A1 FR3039589A1 (fr) 2017-02-03
FR3039589B1 true FR3039589B1 (fr) 2020-01-10

Family

ID=54329764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557205A Active FR3039589B1 (fr) 2015-07-28 2015-07-28 Etage de turbomachine, en particulier de turbine basse-pression

Country Status (1)

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FR (1) FR3039589B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1025283B1 (fr) * 2017-06-02 2019-01-11 Safran Aero Boosters S.A. Systeme d'etancheite pour compresseur de turbomachine
FR3075869B1 (fr) * 2017-12-21 2020-01-10 Safran Aircraft Engines Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau d'etancheite retenu radialement par des excroissances sur l'echasse des aubes
FR3082233B1 (fr) * 2018-06-12 2020-07-17 Safran Aircraft Engines Ensemble de turbine
FR3103012B1 (fr) * 2019-11-12 2021-11-19 Safran Aircraft Engines Rangée annulaire sectorisée d’aubes fixes
FR3108361B1 (fr) 2020-03-19 2023-05-12 Safran Aircraft Engines Roue de turbine pour une turbomachine d’aéronef
FR3119194B1 (fr) * 2021-01-27 2023-07-07 Safran Aircraft Engines Distributeur de turbine pour turbomachine
FR3120649B1 (fr) 2021-03-12 2025-04-11 Safran Aircraft Engines Ensemble statorique de turbine
FR3127518A1 (fr) 2021-09-28 2023-03-31 Safran Helicopter Engines Étage de turbomachine comprenant au moins un anneau d’étanchéité

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5215435A (en) * 1991-10-28 1993-06-01 General Electric Company Angled cooling air bypass slots in honeycomb seals
EP1293645A1 (fr) * 2001-09-14 2003-03-19 Techspace Aero S.A. Compresseur axial de turbomachine comprenant un dispositif de séparation de flux et procédé d'assemblage de ce dispositif
EP2722486B1 (fr) * 2012-10-17 2016-12-07 MTU Aero Engines AG Support de joint d'étanchéité pour ensemble statorique
EP2801702B1 (fr) * 2013-05-10 2020-05-06 Safran Aero Boosters SA Virole interne de redresseur de turbomachine avec joint abradable
FR3011031B1 (fr) * 2013-09-25 2017-12-29 Herakles Ensemble rotatif pour turbomachine
FR3013096B1 (fr) * 2013-11-14 2016-07-29 Snecma Systeme d'etancheite a deux rangees de lechettes complementaires

Also Published As

Publication number Publication date
FR3039589A1 (fr) 2017-02-03

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