FR3025830B1 - Anneau d'etancheite de turbomachine - Google Patents

Anneau d'etancheite de turbomachine Download PDF

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Publication number
FR3025830B1
FR3025830B1 FR1458633A FR1458633A FR3025830B1 FR 3025830 B1 FR3025830 B1 FR 3025830B1 FR 1458633 A FR1458633 A FR 1458633A FR 1458633 A FR1458633 A FR 1458633A FR 3025830 B1 FR3025830 B1 FR 3025830B1
Authority
FR
France
Prior art keywords
sealing ring
turbomachine
cooperate
casing
turbomachine sealing
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
FR1458633A
Other languages
English (en)
Other versions
FR3025830A1 (fr
Inventor
Cyril LOISEAU
Jean Laurent Prestel Sebastien
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 FR1458633A priority Critical patent/FR3025830B1/fr
Publication of FR3025830A1 publication Critical patent/FR3025830A1/fr
Application granted granted Critical
Publication of FR3025830B1 publication Critical patent/FR3025830B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01D11/08—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
    • 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
    • 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
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • 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
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position

Landscapes

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

Abstract

Anneau d'étanchéité (218) de turbomachine, comprenant une paroi annulaire (20) de support d'une couronne (22) en matériau abradable, l'anneau comportant à ses extrémités amont et aval des moyens de fixation configurés pour coopérer avec au moins un distributeur (12) et/ou un carter (14) de la turbomachine, caractérisé en ce que lesdits moyens de fixation comprennent des premiers moyens d'appui axial (60, 68) configurés pour coopérer avec ledit carter et des seconds moyens d'appui circonférentiel (60, 62) configurés pour coopérer avec ledit carter.
FR1458633A 2014-09-15 2014-09-15 Anneau d'etancheite de turbomachine Active FR3025830B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1458633A FR3025830B1 (fr) 2014-09-15 2014-09-15 Anneau d'etancheite de turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1458633 2014-09-15
FR1458633A FR3025830B1 (fr) 2014-09-15 2014-09-15 Anneau d'etancheite de turbomachine

Publications (2)

Publication Number Publication Date
FR3025830A1 FR3025830A1 (fr) 2016-03-18
FR3025830B1 true FR3025830B1 (fr) 2020-07-03

Family

ID=51987330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1458633A Active FR3025830B1 (fr) 2014-09-15 2014-09-15 Anneau d'etancheite de turbomachine

Country Status (1)

Country Link
FR (1) FR3025830B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201846A (en) * 1991-11-29 1993-04-13 General Electric Company Low-pressure turbine heat shield
DE10048156A1 (de) * 2000-09-28 2002-04-11 Rolls Royce Deutschland Turbinendeckbandsegmentbefestigung
JP4269829B2 (ja) * 2003-07-04 2009-05-27 株式会社Ｉｈｉ シュラウドセグメント
RU2522264C2 (ru) * 2009-03-09 2014-07-10 Снекма Сборка обоймы турбины

Also Published As

Publication number Publication date
FR3025830A1 (fr) 2016-03-18

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