Patent attributes
A punched metal plate 51 is constructed so as to be in a ring shape covering a space between the outside wall of the combustor basket 2a and the inside wall of the external cylinder 2c and at the same time is constructed to be a perforated plate having a plurality of holes. In addition, ribs 52 are provided in a radial pattern against the axis of a combustor in a manner that both ends of a rib 52 are in contact with the outside wall of the combustor basket 2a and the inside wall of the external cylinder 2c. Additionally, ribs 52 are provided in a plural number, and the plurality of ribs 52 are arranged so as to be equally spaced in the circumferential direction of a combustor and connected to the external cylinder 2c, thereby supporting the combustor basket 2a.