Patent ID: 7299622

Claim:
A multi-section component ( 1 ) configured for being subjected to high thermal load during operation, said multi-section component comprising: a wall structure defining an inner space of the multi-section component for gas flow, said wall structure being composed of at least two sections ( 5 , 6 ) each of which comprises an inner wall ( 8 a , 8 b ) an outer wall ( 9 a , 9 b ) and at least one cooling channel ( 11 ) located therebetween, said at least two sections being interconnected together, with adjacent end portions ( 21 ) of respective outer walls ( 9 a , 9 b ) being joined together and with abutting end portions of respective inner walls ( 8 a , 8 b ) being joined together by a joint ( 18 ) located at a distance, and in isolation from the defined inner space of the multi-section component.