A bladed rotor and surround assembly

Details A bladed rotor and surround assembly A bladed rotor and surround assembly

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/12 (2006.01) F01D 9/04 (2006.01) F01D 25/24 (2006.01)

Patent

CA 2220664

A bladed rotor and surround assembly comprising an annular casing (18), a bladed rotor element (8b) that is rotatable about an axis (3) concentrically within the casing (18), and an annular shroud liner. The shroud liner, typically made up of an annular array of circumferentially abutting shroud liner segments (32), is disposed within the casing (18) in an annular radial space (31) defined between the casing (18) and an outer circumference of the bladed rotor (8b) . The shroud liner segments (32) have location means (40,46) to locate each segment (32) within the casing (18) . The location means (40,46) and the annular radial space (31) are configured to enable axial insertion of the shroud liner segment (32) between the bladed rotor (8b) and the casing (18). In addition the location means (40,46) and the annular radial space (31) allow a limited amount of radial translation of the shroud segment (32) during insertion. The location means (40,46) also provide a positive radial location to prevent radial translation of the shroud segment (32) once each shroud segment (32) is in a final assembled position.

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