Gas turbine combustor of the sealing arrangement

The seal structure for purposes of performing the sealing flange facing surfaces between adjacent tail tube of the present invention, not occur wear and aging by thermal deformation and vibration at high temperatures of a gas turbine combustor, good for a long time It is to retain a sealing performance. The present invention is a groove 24, 25 extending over the flange facing surfaces along the facing surfaces t1, t2 of the flanges 21 and 22 adjacent the tail tube outlet end is provided, the seal member 31 and the leaf spring 32 to the recessed groove insert the seal assembly 30 comprising a sealing member 31, a pair of consecutive projections 31a, has 31b, combustion in said groove the protrusion across the flange facing surface in said groove gas passage side 24a, is disposed toward the 25a, the leaf spring 32, the are arranged in contact with the seal member 31 in the groove, as pressed against the combustion gas passage side of the protrusion by the spring force of the leaf spring 32 to to and forming a sealing surface.