FR3102203B1 - Dispositif d’étanchéité pour une aube de turbomachine d’aéronef - Google Patents

Dispositif d’étanchéité pour une aube de turbomachine d’aéronef Download PDF

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Publication number
FR3102203B1
FR3102203B1 FR1911590A FR1911590A FR3102203B1 FR 3102203 B1 FR3102203 B1 FR 3102203B1 FR 1911590 A FR1911590 A FR 1911590A FR 1911590 A FR1911590 A FR 1911590A FR 3102203 B1 FR3102203 B1 FR 3102203B1
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FR
France
Prior art keywords
blades
blade
turbine engine
sealing device
engine blade
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
FR1911590A
Other languages
English (en)
Other versions
FR3102203A1 (fr
Inventor
Steven Gérard Joseph Bienvenu
Damien Bruno Lamouche
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 FR1911590A priority Critical patent/FR3102203B1/fr
Publication of FR3102203A1 publication Critical patent/FR3102203A1/fr
Application granted granted Critical
Publication of FR3102203B1 publication Critical patent/FR3102203B1/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
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/501—Elasticity
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Gasket Seals (AREA)

Abstract

La présente invention concerne un dispositif d’étanchéité (50) pour une aube (3) de turbomachine, en particulier d’aéronef, ledit dispositif (50) comprend :- un corps (52) comportant deux lames latérales allongées (52a, 52b) configurées pour enserrer entre elles ladite aube (3), lesdites lames (52a, 52b) comportant des premières extrémités longitudinales (54a, 54b) reliées ensemble et des secondes extrémités longitudinales (56a, 56b) configurées pour être fixées l’une à l’autre, une première (52a) de ces lames étant configurée pour s’étendre du côté d’un intrados (3c) de l’aube et une seconde (52b) de ces lames étant configurée pour s’étendre du côté d’un extrados (3d) de l’aube,- un joint d’étanchéité (58) de forme allongée qui s’étend le long des lames (52a, 52b) et qui est configuré pour coopérer à étanchéité avec lesdits intrados (3c) et extrados (3d) de l’aube, ce joint (58) étant surmoulé sur les lames (52a, 52b). Figure de l’abrégé : Figure 6
FR1911590A 2019-10-17 2019-10-17 Dispositif d’étanchéité pour une aube de turbomachine d’aéronef Active FR3102203B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1911590A FR3102203B1 (fr) 2019-10-17 2019-10-17 Dispositif d’étanchéité pour une aube de turbomachine d’aéronef

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1911590A FR3102203B1 (fr) 2019-10-17 2019-10-17 Dispositif d’étanchéité pour une aube de turbomachine d’aéronef
FR1911590 2019-10-17

Publications (2)

Publication Number Publication Date
FR3102203A1 FR3102203A1 (fr) 2021-04-23
FR3102203B1 true FR3102203B1 (fr) 2022-05-27

Family

ID=68807181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1911590A Active FR3102203B1 (fr) 2019-10-17 2019-10-17 Dispositif d’étanchéité pour une aube de turbomachine d’aéronef

Country Status (1)

Country Link
FR (1) FR3102203B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2490858B (en) * 2011-03-22 2014-01-01 Rolls Royce Plc A bladed rotor
US9017033B2 (en) * 2012-06-07 2015-04-28 United Technologies Corporation Fan blade platform

Also Published As

Publication number Publication date
FR3102203A1 (fr) 2021-04-23

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