F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 11/00 (2006.01) F01D 9/04 (2006.01) F01D 11/04 (2006.01)
Patent
CA 2717983
The invention relates to a turbine distributor for a turbine engine that comprises inner (32) and outer annular platforms connected by blades (36), the inner platform (32) bearing annular members (44) made of an abradable material and interacting with the annular lips of a rotor of the turbine engine in order to form a labyrinth-type seal, wherein the members made of an abradable material are carried by annular sheet segments (52, 52', 66) having a substantially L-, S- or C-shaped section and attached by brazing or welding at their outer periphery to the inner platform, and at their inner periphery to the members made of an abradable material.
Distributeur de turbine pour une turbomachine, comprenant des plates-formes annulaires interne (32) et externe reliées par des pales (36), la plate-forme interne (32) portant des éléments annulaires (44) en matériau abradable coopérant avec des léchettes annulaires d'un rotor de la turbomachine pour former un joint d'étanchéité à labyrinthe, ces éléments en matériau abradable étant portés par des secteurs de tôle annulaire (52, 52', 66) à section sensiblement en L, en S ou en C qui sont fixés par brasage ou soudage à leur périphérie externe sur la plate-forme interne et à leur périphérie interne sur les éléments en matériau abradable.
Fachat Thierry
Girard Patrick Joseph Marie
Soupizon Jean-Luc
Goudreau Gage Dubuc
Snecma
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