Rotor flange retainer

Details Rotor flange retainer Rotor flange retainer

F - Mech Eng,Light,Heat,Weapons

01

D

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

Patent

CA 2475043

The invention relates to a device for holding an annular end plate (5) against a radial face (4) of a rotor disc (1), the said disc having in the said radial face an annular recess (7) behind a collar (13) extending radially outwards, and the said end plate (5) having, in its radially inner part, an annular base bearing against the radially outer wall of the recess (7) and a foot extending radially inwards in the recess (7) from the base, the said device comprising a split annular retaining ring disposed in the recess (7). The ring is constituted by a snap ring (8) interposed axially between the foot of the end plate (5) and the collar (13) and the peripheral surface of which butts against the base, the said peripheral surface and the said collar (13) comprising, when joined, notches (30a, 30b), which open radially outwards and are intended to receive compression tools for the said snap ring (8), which tools retract into the contour of the said collar (13) during the assembly or disassembly of the said end plate (5).

L'invention concerne un dispositif pour retenir un flasque annulaire (5) contre une face radiale (4) d'un disque de rotor (1), ledit disque présentant dans ladite face radiale un évidement annulaire (7) derrière une bride (13) qui s'étend radialement vers l'extérieur, et ledit flasque (5) présentant, dans sa partie radialement intérieure, une base annulaire en appui contre la paroi radialement extérieure de l'évidement (7) et un pied qui s'étend radialement vers l'intérieur dans l'évidement (7) à partir de la base, ledit dispositif comportant une bague de retenue annulaire fendue disposée dans l'évidement (7), La bague est constituée par un jonc (8) interposé axialement entre le pied du flasque (5) et la bride (13), et dont la surface périphérique est en butée contre la base, ladite surface périphérique et ladite bride (13) comportant en correspondance des encoches (30a, 30b) débouchant radialement vers l'extérieur et destinées à recevoir des outils de compression dudit jonc (8), qui s'escamotent dans le contour de ladite bride (13) lors du montage ou du démontage dudit flasque (5).

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