公开(公告)号：US11719131B2

公开(公告)日：2023-08-08

申请号：US17192827

申请日：2021-03-04

申请人： DOOSAN ENERBILITY CO., LTD

发明人： Ik Sang Lee ,  Willy Hofmann

IPC分类号： F01D25/28 ,  F01D9/04 ,  F01D25/30 ,  F01D9/02

CPC分类号： F01D25/28 ,  F01D9/02 ,  F01D9/041 ,  F01D25/30 ,  F05D2240/122

摘要： A strut provided in an exhaust diffuser and having an airfoil-shaped cross-section is provided. The strut may include a cut portion configured to be formed in a trailing edge in a span direction. The cut portion is configured to provide a stepped portion in at least a portion of the trailing edge.

公开(公告)号：US11506145B2

公开(公告)日：2022-11-22

申请号：US17200915

申请日：2021-03-15

申请人： DOOSAN ENERBILITY CO., LTD

发明人： Willy Hofmann ,  Ik Sang Lee

IPC分类号： F01D25/30 ,  F02K1/78 ,  F15D1/04

摘要： An exhaust diffuser hub disposed at a longitudinal center of an exhaust diffuser is provided. The exhaust diffuser hub includes a hub extension extending from a downstream end thereof in a longitudinal direction of the exhaust diffuser. A transverse cross-sectional area of the hub extension is smaller than a transverse cross-sectional area of the hub.

公开(公告)号：US11873726B2

公开(公告)日：2024-01-16

申请号：US18314976

申请日：2023-05-10

申请人： DOOSAN ENERBILITY CO., LTD.

发明人： Ik Sang Lee ,  Willy Hofmann

IPC分类号： F01D9/04 ,  F01D9/02 ,  F01D25/28 ,  F01D25/30

CPC分类号： F01D25/28 ,  F01D9/02 ,  F01D9/041 ,  F01D25/30 ,  F05D2240/122

摘要： A strut provided in an exhaust diffuser and having an airfoil-shaped cross-section is provided. The strut may include a cut portion configured to be formed in a trailing edge in a span direction. The cut portion is configured to provide a stepped portion in at least a portion of the trailing edge.

公开(公告)号：US11655730B2

公开(公告)日：2023-05-23

申请号：US16746962

申请日：2020-01-20

申请人： DOOSAN ENERBILITY CO., LTD.

发明人： Ik Sang Lee ,  Willy Hofmann ,  Young Chan Yang

IPC分类号： F01D25/16 ,  F01D9/04 ,  F01D25/30 ,  F01D25/24

CPC分类号： F01D25/162 ,  F01D9/041 ,  F01D25/30 ,  F01D25/24 ,  F05D2240/12 ,  F05D2240/14

摘要： A strut structure of a gas turbine, an exhaust diffuser and a gas turbine including the same are provided. The strut structure of a gas turbine, the strut structure being formed in an annular exhaust passage formed between an inner casing and an outer casing of the gas turbine, includes a strut housing configured to include a lower end which is connected to the inner casing and an upper end which is connected to the outer casing, and a strut groove configured to be formed on at least one end of the upper end and the lower end of the strut housing to connect a front end and a rear end thereof.