Abradable turbine rings and turbines thus obtained

Details Abradable turbine rings and turbines thus obtained Abradable turbine rings and turbines thus obtained

C - Chemistry, Metallurgy

04

B

170/64

C04B 38/06 (2006.01) F01D 11/08 (2006.01) F01D 11/12 (2006.01)

Patent

CA 1264299

ABSTRACT OF THE DISCLOSURE The present invention relates to a turbine ring assembly comprising a fixed outer annular metallic structure; an inner ring mounted with said fixed outer annular metallic structure and formed by an abradable refractory material, said inner ring being opened at its periphery to leave at least one gap between opposite faces of an opening in said inner ring so as to allow said inner ring to expand circumferentially; and spring means acting on the opposite faces of the opening in said inner ring to clamp said inner ring radially in the direction of said fixed outer annular metallic structure.

500019

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