Global Patent Index - EP 0396726 A1

EP 0396726 A1 19901114 - SEGMENT FOR LOCKING AND SEALING A SET OF VANES MOUNTED ON A TURBO-ENGINE ROTARY DISK.

Title (en)

SEGMENT FOR LOCKING AND SEALING A SET OF VANES MOUNTED ON A TURBO-ENGINE ROTARY DISK.

Title (de)

BEFESTIGUNG UND DICHTUNG EINER LAUFSCHAUFEL AN EINER LAUFRADSCHEIBE EINER GASTURBINE.

Title (fr)

SEGMENT D'ARRET ET D'ETANCHEITE D'UN ENSEMBLE D'AUBES MONTE SUR UN DISQUE DE ROTOR DE TURBOMACHINE.

Publication

EP 0396726 A1 19901114 (FR)

Application

EP 89913063 A 19891116

Priority

FR 8814913 A 19881117

Abstract (en)

[origin: WO9005837A1] According to the invention, the locking means of the vane roots (3) in the cells (2) of the disk is constituted by a single split segment (9) with a Y-shaped cross-section, of which a radially external upstream portion (9a) is inserted into the groove of the downstream spoilers of the vanes and of the disk (1), the radially external downstream portion (9b) of the segment (9) being pressed against the downstream part of the vane spoilers (6). Application in small-diameter rotors.

Abstract (fr)

Selon l'invention le moyen de verrouillage des pieds (3) d'aubes dans les alvéoles (2) du disque est constitué d'un segment fendu unique (9) à section en forme de Y dont une branche amont radialement externe (9a) est insérée dans la gorge (7) des becquets aval (6) des aubes et du disque (1), la branche aval radialement externe (9b) du segment (9) étant plaquée contre la partie aval des becquets (6) des aubes. Application à des rotors de petit diamètre.

IPC 1-7

F01D 5/30

IPC 8 full level

F01D 5/30 (2006.01)

CPC (source: EP US)

F01D 5/3015 (2013.01 - EP US)

Citation (search report)

See references of WO 9005837A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

FR 2639063 A1 19900518; EP 0396726 A1 19901114; EP 0396726 B1 19920513; US 5052893 A 19911001; WO 9005837 A1 19900531

DOCDB simple family (application)

FR 8814913 A 19881117; EP 89913063 A 19891116; FR 8900588 W 19891116; US 54371790 A 19900717