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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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公开(公告)号：US11359552B2
公开(公告)日：2022-06-14
申请号：US16787699
申请日：2020-02-11
发明人： Keita Yunoki , Kei Inoue , Takashi Hiyama , Eisaku Ito
摘要： A control device is a control device for a gas turbine including a plurality of combustors and is configured to select combustors to ignite in accordance with a target load on the basis of a predictor which defines a relationship between a load and the number and arrangement of combustors to ignite and a combustion temperature.
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公开(公告)号：US10738640B2
公开(公告)日：2020-08-11
申请号：US15122303
申请日：2015-03-11
发明人： Hitoshi Kitagawa , Takashi Hiyama , Daigo Fujimura
摘要： A shroud (22) comprises shroud bodies (22) fixed to blade tips of blades (18) mounted to a rotor body to extend in a radial direction, the shroud bodies (22) being disposed adjacent to one another in a circumferential direction, wherein each of the shroud bodies (22) includes a circumferential end surface (27, 28) that includes an abutting end surface where adjacent shroud bodies (22) abut, and an opposing surface (34) where adjacent shroud bodies (22) face one another with a clearance (32) therebetween, the opposing surface (34) being contiguous with the abutting end surface; and an outer surface (24) that includes a radially outward protruding protrusion (40) formed to extend along the opposing surface (34).
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公开(公告)号：US10982566B2
公开(公告)日：2021-04-20
申请号：US16486720
申请日：2018-02-28
发明人： Daigo Fujimura , Takashi Hiyama , Hiroshi Watanabe
摘要： A turbine is equipped with a turbine rotor (21), a turbine casing, a turbine blade (24), a turbine stator and a diffuser (4A). The diffuser (4A) is equipped with an inner cylinder (41) extending along an axis, an outer cylinder covering the inner cylinder (41) from an outer circumferential side and forming an exhaust flow path (C) between the inner cylinder (41) and the outer cylinder. The inner cylinder (41) is equipped with an inclined surface (51) extending from an inner side to an outer side in the radial direction centering on the axis as going from one side to the other side in the direction of the axis. The inclined surface (51) is disposed to intersect an extension (55) obtained by extending platforms (54) of a plurality of turbine blades (24) to the other side in the direction of the axis, in a cross sectional view including the axis.
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