US 11,891,957 B2
Exit seal and gas turbine equipped with same
Kenta Taniguchi, Yokohama (JP); Taiki Kinoshita, Yokohama (JP); Hiroyuki Sakaki, Yokohama (JP); and Kentaro Tokuyama, Yokohama (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Appl. No. 17/790,315
Filed by MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
PCT Filed Feb. 8, 2021, PCT No. PCT/JP2021/004530
§ 371(c)(1), (2) Date Jun. 30, 2022,
PCT Pub. No. WO2021/166710, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 2020-025581 (JP), filed on Feb. 18, 2020.
Prior Publication US 2023/0042434 A1, Feb. 9, 2023
Int. Cl. F01D 25/24 (2006.01); F02C 7/28 (2006.01); F23R 3/42 (2006.01)
CPC F02C 7/28 (2013.01) [F01D 25/243 (2013.01); F23R 3/42 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An outlet seal that connects an outlet flange of a combustor and a shroud of a stator vane of a turbine, the seal comprising:
a seal body extending in a circumferential direction with respect to an axis; and
a lid member provided at an end of the seal body in the circumferential direction to extend in an axial direction in which the axis extends and in a radial direction with respect to the axis, wherein
the seal body includes
a combustor connecting portion that is formed on an axial first side of the seal body and that is connected to the outlet flange, the axial first side being one side in the axial direction,
a stator vane connecting portion that is formed on an axial second side of the seal body and that is connected to the shroud, the axial second side being the other side in the axial direction, and
one or more recessed portions recessed in the radial direction or in the axial direction and extending in the circumferential direction,
an end of the one or more recessed portions in the circumferential direction has an end opening,
the lid member is disposed at a position of an end of at least one recessed portion of the one or more recessed portions in the circumferential direction to overlap a recessed space in the axial direction and in the radial direction, the recessed space being formed by the at least one recessed portion,
the end opening is covered by a part of the lid member, and
the lid member is integrally formed with the seal body.