Patent ID: 7908866
Filing Date: 2011-03-22
Classification: F01D,F05D,F23R

Abstract:
1. A gas turbine combustor comprising: a combustor main body; a tail pipe connected with said combustor main body to spout out burning gas; and a seal section provided to prevent said burning gas from leaking from a space of a plurality of said tail pipes annularly arranged around one axis, and wherein: said tail pipe has upper and lower walls opposite to each other in a radius direction of said axis in an end portion of said tail pipe, and a first stiffness reducing engaging portion provided for said upper and lower walls for reducing the stiffness of said upper and lower walls, said seal section has a second engaging portion for engagement with said first stiffness reducing engaging portion in a front end of said seal section, said first stiffness reducing engaging portion comprises one set of flanges opposite to each other in the radius direction, and further comprising: a shield plate provided along each of said flanges of the one set, wherein said shield plate and said flange are fixed by a shield plate fixing member, and said tail pipe and said seal section are connected, by engaging each of said flanges of the one set in which said shield plate is provided, with said second engaging portion.