FR3080143B1 - TURBINE RING ASSEMBLY WITH INTER-SECTOR SEALING - Google Patents

TURBINE RING ASSEMBLY WITH INTER-SECTOR SEALING Download PDF

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Publication number
FR3080143B1
FR3080143B1 FR1853298A FR1853298A FR3080143B1 FR 3080143 B1 FR3080143 B1 FR 3080143B1 FR 1853298 A FR1853298 A FR 1853298A FR 1853298 A FR1853298 A FR 1853298A FR 3080143 B1 FR3080143 B1 FR 3080143B1
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FR
France
Prior art keywords
sealing tongue
downstream
turbine ring
ring assembly
groove
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
FR1853298A
Other languages
French (fr)
Other versions
FR3080143A1 (en
Inventor
Antoine Claude Michel Etienne Danis
Sebastien Serge Francis Congratel
Clement Jarrossay
Lucien Henri Jacques Quennehen
Nicolas Paul Tableau
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 FR1853298A priority Critical patent/FR3080143B1/en
Publication of FR3080143A1 publication Critical patent/FR3080143A1/en
Application granted granted Critical
Publication of FR3080143B1 publication Critical patent/FR3080143B1/en
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
    • 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
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/59—Lamellar 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • F05D2300/6033—Ceramic matrix composites [CMC]

Landscapes

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

Abstract

Un ensemble d'anneau pour turbine comprend une pluralité de secteurs d'anneau adjacents (10) formant un anneau de turbine (1), chaque secteur d'anneau (10) comprend: - une languette d'étanchéité amont (22) comprenant des première et deuxième portions continues (220, 221) s'étendant respectivement dans une rainure amont (42) et dans une deuxième rainure horizontale (40), - une deuxième languette d'étanchéité (20) comprenant des première et deuxième portions continues (200, 201) s'étendant respectivement dans la deuxième rainure horizontale (40) et dans une rainure aval (43), la deuxième portion (221) de la languette d'étanchéité amont (22) chevauchant la première portion (200) de ladite deuxième languette d'étanchéité (20), - une languette d'étanchéité aval (23) comprenant des première et deuxième portions continues (230, 231) s'étendant respectivement dans la rainure aval (43) et dans une première rainure horizontale (41), la deuxième portion (201) de la deuxième languette d'étanchéité (20) chevauchant la première portion (230) de la languette d'étanchéité aval (23), la deuxième portion (231) de ladite languette d'étanchéité aval chevauchant la première languette d'étanchéité (21).A turbine ring assembly comprises a plurality of adjacent ring sectors (10) forming a turbine ring (1), each ring sector (10) comprises: - an upstream sealing tongue (22) comprising first and second continuous portions (220, 221) extending respectively in an upstream groove (42) and in a second horizontal groove (40), - a second sealing tongue (20) comprising first and second continuous portions (200 , 201) extending respectively in the second horizontal groove (40) and in a downstream groove (43), the second portion (221) of the upstream sealing tongue (22) overlapping the first portion (200) of said second sealing tongue (20), - a downstream sealing tongue (23) comprising first and second continuous portions (230, 231) extending respectively in the downstream groove (43) and in a first horizontal groove (41) , the second portion (201) of the second sealing tongue (20) overlapping the first portion (230) of the downstream sealing tongue (23), the second portion (231) of said downstream sealing tongue overlapping the first sealing tongue (21).

FR1853298A 2018-04-16 2018-04-16 TURBINE RING ASSEMBLY WITH INTER-SECTOR SEALING Active FR3080143B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1853298A FR3080143B1 (en) 2018-04-16 2018-04-16 TURBINE RING ASSEMBLY WITH INTER-SECTOR SEALING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853298A FR3080143B1 (en) 2018-04-16 2018-04-16 TURBINE RING ASSEMBLY WITH INTER-SECTOR SEALING
FR1853298 2018-04-16

Publications (2)

Publication Number Publication Date
FR3080143A1 FR3080143A1 (en) 2019-10-18
FR3080143B1 true FR3080143B1 (en) 2020-11-20

Family

ID=63683963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1853298A Active FR3080143B1 (en) 2018-04-16 2018-04-16 TURBINE RING ASSEMBLY WITH INTER-SECTOR SEALING

Country Status (1)

Country Link
FR (1) FR3080143B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11608752B2 (en) * 2021-02-22 2023-03-21 General Electric Company Sealing apparatus for an axial flow turbomachine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154577A (en) * 1991-01-17 1992-10-13 General Electric Company Flexible three-piece seal assembly
US7600967B2 (en) * 2005-07-30 2009-10-13 United Technologies Corporation Stator assembly, module and method for forming a rotary machine
US8753073B2 (en) * 2010-06-23 2014-06-17 General Electric Company Turbine shroud sealing apparatus
US10161257B2 (en) * 2015-10-20 2018-12-25 General Electric Company Turbine slotted arcuate leaf seal

Also Published As

Publication number Publication date
FR3080143A1 (en) 2019-10-18

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