Global Patent Index - EP 0942149 B1

EP 0942149 B1 20000816 - Sealing ring for the vanes of a turbomachine stage

Title (en)

Sealing ring for the vanes of a turbomachine stage

Title (de)

Dichtring für die Schaufeln einer Turbomaschinenstufe

Title (fr)

Joint d'étanchéité pour les aubes d'un étage de turbomachine

Publication

EP 0942149 B1 20000816 (FR)

Application

EP 99400577 A 19990310

Priority

FR 9803036 A 19980312

Abstract (en)

[origin: EP0942149A1] The seal for turbine blade roots (9) fitting in an annular channel (10) of a disc (2) with plates (8) consists of flat sections (18) set between the plate and the outer surface (16) of the disc. Extensions (26) fit against the oblique upper surfaces (30) of the disc channel. The flat sections and extensions have interlocking slits to form a crossing joint (27) between two parts of a seal.

IPC 1-7

F01D 5/30; F01D 11/00

IPC 8 full level

F01D 5/30 (2006.01); F01D 11/00 (2006.01)

CPC (source: EP US)

F01D 5/3038 (2013.01 - EP US); F01D 11/006 (2013.01 - EP US); F05D 2250/141 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0942149 A1 19990915; EP 0942149 B1 20000816; DE 69900008 D1 20000921; DE 69900008 T2 20010405; FR 2776012 A1 19990917; FR 2776012 B1 20000407; JP H11315703 A 19991116; US 6332617 B1 20011225

DOCDB simple family (application)

EP 99400577 A 19990310; DE 69900008 T 19990310; FR 9803036 A 19980312; JP 4478099 A 19990223; US 25502399 A 19990222