FR3085708B1 - Dispositif d'etancheite ameliore pour ensemble rotatif de turbomachine - Google Patents

Dispositif d'etancheite ameliore pour ensemble rotatif de turbomachine Download PDF

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Publication number
FR3085708B1
FR3085708B1 FR1858151A FR1858151A FR3085708B1 FR 3085708 B1 FR3085708 B1 FR 3085708B1 FR 1858151 A FR1858151 A FR 1858151A FR 1858151 A FR1858151 A FR 1858151A FR 3085708 B1 FR3085708 B1 FR 3085708B1
Authority
FR
France
Prior art keywords
extending
rotation
axis
rotary assembly
radial
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
FR1858151A
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English (en)
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FR3085708A1 (fr
Inventor
Bertrand Guillaume Robin Pellaton
Yohan Smith
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 Helicopter Engines SAS
Original Assignee
Safran Helicopter 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 Helicopter Engines SAS filed Critical Safran Helicopter Engines SAS
Priority to FR1858151A priority Critical patent/FR3085708B1/fr
Publication of FR3085708A1 publication Critical patent/FR3085708A1/fr
Application granted granted Critical
Publication of FR3085708B1 publication Critical patent/FR3085708B1/fr
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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
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F01D11/125—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 with a reinforcing structure
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F05D2240/57—Leaf seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Ensemble rotatif pour turbomachine du type turbine ou compresseur, s'étendant radialement autour d'un axe de rotation (A), et comprenant un stator (10) comportant un anneau de stator annulaire chaque secteur de l'anneau ayant une fente (14) sur ses faces latérales, une languette d'étanchéité (30) s'étendant entre chaque secteurs adjacents en étant logée dans les fentes en vis-à-vis; un rotor (20) comportant une pluralité d'aubes (22) mobiles, et au moins une léchette (24a, 24b) frottant avec une piste abradable (16), chacune comportant une partie axiale (32) s'étendant dans la direction de l'axe de rotation, et au moins une partie radiale (34a, 34b) s'étendant depuis la partie axiale (32) dans une direction radiale, la position de la partie radiale (A) étant identique à la position d'une extrémité radiale de la léchette le long de l'axe de rotation.
FR1858151A 2018-09-12 2018-09-12 Dispositif d'etancheite ameliore pour ensemble rotatif de turbomachine Active FR3085708B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1858151A FR3085708B1 (fr) 2018-09-12 2018-09-12 Dispositif d'etancheite ameliore pour ensemble rotatif de turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1858151A FR3085708B1 (fr) 2018-09-12 2018-09-12 Dispositif d'etancheite ameliore pour ensemble rotatif de turbomachine
FR1858151 2018-09-12

Publications (2)

Publication Number Publication Date
FR3085708A1 FR3085708A1 (fr) 2020-03-13
FR3085708B1 true FR3085708B1 (fr) 2020-11-27

Family

ID=63834292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1858151A Active FR3085708B1 (fr) 2018-09-12 2018-09-12 Dispositif d'etancheite ameliore pour ensemble rotatif de turbomachine

Country Status (1)

Country Link
FR (1) FR3085708B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3117147B1 (fr) * 2020-12-09 2022-10-28 Safran Aircraft Engines Ensemble statorique de turbine avec degré de liberté radial entre un distributeur et un anneau d’étanchéité

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732416B1 (fr) * 1995-03-29 1997-04-30 Snecma Agencement de raccordement de deux secteurs angulaires de turbomachine et joint concu pour servir dans cet agencement
US7771159B2 (en) * 2006-10-16 2010-08-10 General Electric Company High temperature seals and high temperature sealing systems
US10280779B2 (en) * 2013-09-10 2019-05-07 United Technologies Corporation Plug seal for gas turbine engine
US9759079B2 (en) * 2015-05-28 2017-09-12 Rolls-Royce Corporation Split line flow path seals

Also Published As

Publication number Publication date
FR3085708A1 (fr) 2020-03-13

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