Global Patent Index - EP 4298319 A1

EP 4298319 A1 20240103 - TURBINE SEALING RING

Title (en)

TURBINE SEALING RING

Title (de)

TURBINENDICHTRING

Title (fr)

ANNEAU D'ETANCHEITE DE TURBINE

Publication

EP 4298319 A1 20240103 (FR)

Application

EP 22710662 A 20220218

Priority

  • FR 2101799 A 20210224
  • FR 2022050300 W 20220218

Abstract (en)

[origin: WO2022180330A1] The present application relates to an assembly for a turbine engine (1), comprising a first rotor (2) which is rotatable about a longitudinal axis (X-X) of the turbine engine (1), the first rotor (2) comprising a first arm (26); a second rotor (3) which is rotatable about the longitudinal axis (X-X) and comprises a second arm (36); a first sealing ring (4) which is centred on the longitudinal axis (X-X), is arranged radially outside the first arm (26) and comprises a first radial flange (40) fixedly mounted between the first arm (26) and the second arm (36); and a second sealing ring (5) which is separate from the first sealing ring (4), is centred on the longitudinal axis (X-X) and is arranged radially outside the second arm (36), the second sealing ring (5) comprising a first part (51) which is designed to come into contact with the second rotor (3), and a second part (52) which is separate from the first part (51) and is designed to come into contact with the first sealing ring (4).

IPC 8 full level

F01D 5/06 (2006.01); F01D 5/08 (2006.01); F01D 11/00 (2006.01)

CPC (source: EP)

F01D 5/066 (2013.01); F01D 5/081 (2013.01); F01D 5/3015 (2013.01); F01D 11/001 (2013.01); F05D 2230/642 (2013.01); F05D 2260/30 (2013.01); F05D 2300/5021 (2013.01)

Citation (search report)

See references of WO 2022180330A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

FR 3120092 A1 20220826; CN 116888346 A 20231013; EP 4298319 A1 20240103; WO 2022180330 A1 20220901

DOCDB simple family (application)

FR 2101799 A 20210224; CN 202280016874 A 20220218; EP 22710662 A 20220218; FR 2022050300 W 20220218