FR3079868B1 - Lechette d'etancheite entre rotor et stator et turbine ainsi equipee - Google Patents

Lechette d'etancheite entre rotor et stator et turbine ainsi equipee Download PDF

Info

Publication number
FR3079868B1
FR3079868B1 FR1852982A FR1852982A FR3079868B1 FR 3079868 B1 FR3079868 B1 FR 3079868B1 FR 1852982 A FR1852982 A FR 1852982A FR 1852982 A FR1852982 A FR 1852982A FR 3079868 B1 FR3079868 B1 FR 3079868B1
Authority
FR
France
Prior art keywords
sealing
rotor
stator
turbine
wiper
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
FR1852982A
Other languages
English (en)
Other versions
FR3079868A1 (fr
Inventor
Jeremy Jacques Attilio Fanelli
Josserand Jacques Andre Bassery
Raphael Jean Philippe Dupeyre
Etienne Leon Francois
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 FR1852982A priority Critical patent/FR3079868B1/fr
Publication of FR3079868A1 publication Critical patent/FR3079868A1/fr
Application granted granted Critical
Publication of FR3079868B1 publication Critical patent/FR3079868B1/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
    • F01D11/001—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
    • 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
    • F01D11/08—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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

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

Abstract

L'invention concerne une aube de rotor et une turbomachine à gaz. Une portion de l'aube est pourvue d'une léchette (36) adaptée à coopérer avec un élément en matériau abradable, pour l'étanchéité. La léchette (36) présente des ailettes (38) de refroidissement.
FR1852982A 2018-04-05 2018-04-05 Lechette d'etancheite entre rotor et stator et turbine ainsi equipee Active FR3079868B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1852982A FR3079868B1 (fr) 2018-04-05 2018-04-05 Lechette d'etancheite entre rotor et stator et turbine ainsi equipee

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1852982 2018-04-05
FR1852982A FR3079868B1 (fr) 2018-04-05 2018-04-05 Lechette d'etancheite entre rotor et stator et turbine ainsi equipee

Publications (2)

Publication Number Publication Date
FR3079868A1 FR3079868A1 (fr) 2019-10-11
FR3079868B1 true FR3079868B1 (fr) 2020-11-06

Family

ID=62223021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1852982A Active FR3079868B1 (fr) 2018-04-05 2018-04-05 Lechette d'etancheite entre rotor et stator et turbine ainsi equipee

Country Status (1)

Country Link
FR (1) FR3079868B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3118990B1 (fr) * 2021-01-21 2023-09-15 Safran Aircraft Engines Rotor de turbine pour une turbomachine.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050200080A1 (en) * 2004-03-10 2005-09-15 Siemens Westinghouse Power Corporation Seal for a turbine engine
DE102008061800A1 (de) * 2008-12-11 2010-06-17 Rolls-Royce Deutschland Ltd & Co Kg Segmentierte Dichtlippen für Labyrinthdichtungsringe
WO2016033465A1 (fr) * 2014-08-29 2016-03-03 Siemens Aktiengesellschaft Éléments de guidage de flux pour carénage d'extrémité d'aube de turbine à gaz

Also Published As

Publication number Publication date
FR3079868A1 (fr) 2019-10-11

Similar Documents

Publication Publication Date Title
US10247005B2 (en) Blade or vane arrangement for a turbomachine
US9309783B2 (en) Seal assembly for turbine system
JP2011080468A (ja) 阻止装置を備えたシュラウド組立体
US10526893B2 (en) Turbine rotor for a gas turbine engine
FR3034129B1 (fr) Aube mobile de turbine a conception amelioree pour turbomachine d'aeronef
RU2012127122A (ru) Осевое уплотнение вала
FR3073890B1 (fr) Abradable de joint a labyrinthe, notamment pour turbine d'aeronef
US20140072418A1 (en) Floating seal
FR3079868B1 (fr) Lechette d'etancheite entre rotor et stator et turbine ainsi equipee
US9732621B1 (en) Air riding seal with purge cavity
RU2013104538A (ru) Комбинированная уплотнительная и балансировочная система для турбинного диска
FR3058755B1 (fr) Turbine pour turbomachine
FR2932227B1 (fr) Turboreacteur double flux
WO2018140130A3 (fr) Procédé et système pour un moteur à turbine à gaz avec un circuit de distribution de refroidissement de pale à deux étages
JP2016037960A (ja) シャフトシールシステム及び排ガスターボチャージャ
US10731493B2 (en) Gas turbine engine seal
FR3092612B1 (fr) Système de refroidissement d’anneau de retenue axiale d’aubes de turbine pour turbomachine d’aéronef
FR3073001B1 (fr) Ensemble pour disque de turbine
FR3062169B1 (fr) Carter de module de turbomachine d'aeronef, comprenant un caloduc associe a un anneau d'etancheite entourant une roue mobile aubagee du module
JP2019534421A (ja) ノズルリングとタービンハウジングとの間にシーリング面を備えるターボチャージャ
US10513940B2 (en) Turbomachine with an outer sealing and use of the turbomachine
EP3954872A3 (fr) Moteur à turbine à gaz comprenant un ensemble de joint avec un revêtement abradable et un outil de coupe
US9267387B2 (en) Seal platform
US10760440B2 (en) Assembly for gas turbine, associated gas turbine
US11293350B2 (en) Seal segment and rotary machine

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20191011

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7