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公开(公告)号：US11891957B2
公开(公告)日：2024-02-06
申请号：US17790315
申请日：2021-02-08
CPC分类号： F02C7/28 , F01D25/243 , F23R3/42 , F05D2220/32 , F05D2240/55
摘要： This exit seal is for connecting an exit flange of a combustor and a shroud in a stator blade of a turbine. The exit seal is equipped with: a seal body that extends in a circumferential direction; and a lid member disposed at a circumferential end of the seal body. The seal body comprises one or more recessed sections that are recessed in a radial direction or in an axial direction and extend in the circumferential direction. At a position of the circumferential end of at least one recessed section among the one or more recessed sections, the lid member is disposed so as to overlap, in the axial direction and the radial direction, with a recessed space formed by the one recessed section.
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公开(公告)号：US12025058B2
公开(公告)日：2024-07-02
申请号：US18270301
申请日：2022-01-27
CPC分类号： F02C7/28 , F01D9/023 , F01D11/005 , F01D25/12 , F02C7/12 , F23R3/42 , F23R2900/00012
摘要： A sealing member that forms a combustion gas flow path of a gas turbine includes a first body portion having a cooling passage. The first body portion includes a first end portion forming one end portion in a circumferential direction, a second end portion forming the other end portion on an opposite side in the circumferential direction, and an intermediate portion formed between the first and second end portions. The cooling passage includes an intermediate portion cooling passage inclined at a first angle with respect to an axial direction, a first end portion cooling passage provided in the first end portion and inclined at a second angle with respect to the axial direction, and a second end portion cooling passage provided in the second end portion and inclined at a third angle with respect to the axial direction, and the second and third angles are smaller than the first angle.
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公开(公告)号：US11774101B2
公开(公告)日：2023-10-03
申请号：US17983675
申请日：2022-11-09
发明人： Kentaro Tokuyama , Kenji Sato , Kenta Taniguchi , Hiroyuki Sakaki , Takashi Hiyama , Satoshi Takiguchi , Yusuke Tanaka
IPC分类号： F23R3/50
CPC分类号： F23R3/50
摘要： A combustion tube for a gas turbine including an outlet section having a cross-section of an annular sector-shape. The outlet section includes an outer wall forming an outer peripheral boundary of the annular sector-shape, an inner wall forming an inner peripheral boundary of the annular sector-shape, and a pair of side walls forming boundaries on both sides of the annular sector-shape in a circumferential direction, respectively. The outer wall extends obliquely with respect to the inner wall such that a height of the annular sector-shape decreases toward an outlet opening of the combustion tube. A first side wall extends obliquely with respect to a second side such that a perimeter of the annular sector-shape increases toward the outlet opening of the combustion tube. An inclination angle θ1 of the first side wall with respect to the second side wall satisfies 0
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