FR3095472B1 - Elément de rotor de turbomachine - Google Patents

Elément de rotor de turbomachine Download PDF

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Publication number
FR3095472B1
FR3095472B1 FR1904416A FR1904416A FR3095472B1 FR 3095472 B1 FR3095472 B1 FR 3095472B1 FR 1904416 A FR1904416 A FR 1904416A FR 1904416 A FR1904416 A FR 1904416A FR 3095472 B1 FR3095472 B1 FR 3095472B1
Authority
FR
France
Prior art keywords
rotor element
turbomachine rotor
wiper
abstract
cooperate
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
FR1904416A
Other languages
English (en)
Other versions
FR3095472A1 (fr
Inventor
Etienne Léon Francois
Thomas Pierre-Henri Paul Gardon
Somphone Sombounkhanh
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 FR1904416A priority Critical patent/FR3095472B1/fr
Publication of FR3095472A1 publication Critical patent/FR3095472A1/fr
Application granted granted Critical
Publication of FR3095472B1 publication Critical patent/FR3095472B1/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
    • 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
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • 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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped

Abstract

L’invention concerne un élément (17) de rotor de turbomachine comportant au moins une léchette (21) s’étendant radialement et destinée à coopérer avec un bloc de matériau abradable, caractérisé en ce que la léchette (21) est déformable élastiquement dans la direction radiale: Figure à publier avec l’abrégé: Figure 4.
FR1904416A 2019-04-26 2019-04-26 Elément de rotor de turbomachine Active FR3095472B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1904416A FR3095472B1 (fr) 2019-04-26 2019-04-26 Elément de rotor de turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1904416A FR3095472B1 (fr) 2019-04-26 2019-04-26 Elément de rotor de turbomachine
FR1904416 2019-04-26

Publications (2)

Publication Number Publication Date
FR3095472A1 FR3095472A1 (fr) 2020-10-30
FR3095472B1 true FR3095472B1 (fr) 2021-06-11

Family

ID=69190826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1904416A Active FR3095472B1 (fr) 2019-04-26 2019-04-26 Elément de rotor de turbomachine

Country Status (1)

Country Link
FR (1) FR3095472B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US838358A (en) * 1906-10-10 1906-12-11 Allis Chalmers Shroud member for blades.
US6926495B2 (en) * 2003-09-12 2005-08-09 Siemens Westinghouse Power Corporation Turbine blade tip clearance control device
FR3027622B1 (fr) * 2014-10-28 2018-11-09 Safran Aircraft Engines Aube de rotor a pilotage de jeu actif, ensemble tournant et son procede de fonctionnement
FR3058495B1 (fr) * 2016-11-09 2019-06-28 Safran Aircraft Engines Dispositif d'etancheite a double etagement, joint labyrinthe et lechette mobile

Also Published As

Publication number Publication date
FR3095472A1 (fr) 2020-10-30

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