FR3082886B1 - LECHETTE FOR A SEALING SYSTEM AND METHOD FOR MANUFACTURING SUCH A LECHETTE - Google Patents

LECHETTE FOR A SEALING SYSTEM AND METHOD FOR MANUFACTURING SUCH A LECHETTE Download PDF

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Publication number
FR3082886B1
FR3082886B1 FR1855500A FR1855500A FR3082886B1 FR 3082886 B1 FR3082886 B1 FR 3082886B1 FR 1855500 A FR1855500 A FR 1855500A FR 1855500 A FR1855500 A FR 1855500A FR 3082886 B1 FR3082886 B1 FR 3082886B1
Authority
FR
France
Prior art keywords
lechette
sealing system
manufacturing
wiper
coating
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
FR1855500A
Other languages
French (fr)
Other versions
FR3082886A1 (en
Inventor
Louis Rousseaux Hugo
Wilfrid Leon Berche Emmanuel
Alexandre Haouit - Pinto
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 FR1855500A priority Critical patent/FR3082886B1/en
Publication of FR3082886A1 publication Critical patent/FR3082886A1/en
Application granted granted Critical
Publication of FR3082886B1 publication Critical patent/FR3082886B1/en
Active legal-status Critical Current
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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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F05D2230/90—Coating; Surface treatment
    • 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
    • F05D2260/80—Diagnostics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Material Composition (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une léchette (18) pour un système d'étanchéité d'une turbomachine, la léchette étant destinée à coopérer avec un élément abradable et comprenant un corps de base (16) et un revêtement comprenant une première couche (22) ayant une couleur différente de celle du corps de base (16) et/ou de celle d'une deuxième couche (20) du revêtement.The present invention relates to a wiper (18) for a sealing system of a turbomachine, the wiper being intended to cooperate with an abradable element and comprising a base body (16) and a coating comprising a first layer (22) having a color different from that of the base body (16) and / or that of a second layer (20) of the coating.

FR1855500A 2018-06-21 2018-06-21 LECHETTE FOR A SEALING SYSTEM AND METHOD FOR MANUFACTURING SUCH A LECHETTE Active FR3082886B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1855500A FR3082886B1 (en) 2018-06-21 2018-06-21 LECHETTE FOR A SEALING SYSTEM AND METHOD FOR MANUFACTURING SUCH A LECHETTE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855500 2018-06-21
FR1855500A FR3082886B1 (en) 2018-06-21 2018-06-21 LECHETTE FOR A SEALING SYSTEM AND METHOD FOR MANUFACTURING SUCH A LECHETTE

Publications (2)

Publication Number Publication Date
FR3082886A1 FR3082886A1 (en) 2019-12-27
FR3082886B1 true FR3082886B1 (en) 2020-06-05

Family

ID=63080153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1855500A Active FR3082886B1 (en) 2018-06-21 2018-06-21 LECHETTE FOR A SEALING SYSTEM AND METHOD FOR MANUFACTURING SUCH A LECHETTE

Country Status (1)

Country Link
FR (1) FR3082886B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884820A (en) * 1987-05-19 1989-12-05 Union Carbide Corporation Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members
US9598969B2 (en) * 2012-07-20 2017-03-21 Kabushiki Kaisha Toshiba Turbine, manufacturing method thereof, and power generating system
JP6025546B2 (en) * 2012-12-19 2016-11-16 三菱日立パワーシステムズ株式会社 Turbine blade and turbine

Also Published As

Publication number Publication date
FR3082886A1 (en) 2019-12-27

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