Anti-wear device for the blades of a turbine distributor in...

F - Mech Eng,Light,Heat,Weapons – 01 – D

Patent

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Details

F01D 9/04 (2006.01)

Patent

CA 2744297

The invention relates to a blade sector of a turbine distributor to be carried by a turbine casing (7) of an aeronautical turbine engine, comprising a front connection means (9) and a rear connection means (10), wherein said front connection means (9) is adapted so as to bear against a holder (8) carried by the turbine casing (7), said sector further including an anti-wear device (13) formed by a piece of a metal material surrounding the front end of the front connection means and provided between said front connection means (9) and said holder (8) so as to ensure a sliding contact between said two parts, characterised in that the anti-wear device (13) is axially maintained in position on said blade sector using an attachment means (14, 16, 20) engaging with the front connection means (9).

Secteur d'aubes de distributeur de turbine destiné à être porté par un carter de turbine (7) d'une turbomachine aéronautique, comportant un moyen d'accrochage antérieur (9) et un moyen d'accrochage postérieur (10), ledit moyen d'accrochage antérieur (9) étant destiné à venir en appui sur un support (8) porté par le carter de turbine (7), ledit secteur comportant en outre un dispositif anti-usure (13) constitué par une pièce en matériau métallique enveloppant l'extrémité antérieure du moyen d'accrochage antérieur et s'intercalant entre ledit moyen d'accrochage antérieur (9) et ledit support (8) de façon à assurer un contact glissant entre ces deux pièces, caractérisé en ce que le dispositif anti-usure (13) est maintenu axialement en position sur ledit secteur d'aubes à l'aide d'un moyen de fixation (14, 16, 20) qui coopère avec le moyen d'accrochage antérieur (9).

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