发明名称 |
Gas turbine and corresponding manufacturing method |
摘要 |
To provide a cover (54) of a cooling passage that forms a cooling passage (5) for supplying cooling air to a turbine rotor blade at the last stage via inside of a disk (35) of a turbine, and the cover comprises: a cylindrical cover portion (541) that covers a cavity (53) provided in a annular pattern in an outer circumference of the disk (35) in a mode where a first passage (51) opened from inside of the disk (35) to the cavity (53) and a second passage (52) opened from a cooling passage of the turbine rotor blade at the last stage to the cavity (53) are connected to each other; and a flexible portion (542) that is formed integrally with the cover portion (541) and allows flexure in an axial direction of the turbine. |
申请公布号 |
EP2261461(B1) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20090724233 |
申请日期 |
2009.01.15 |
申请人 |
MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
发明人 |
HASHIMOTO, SHINYA;ARASE, KENICHI |
分类号 |
F01D5/08;F01D5/30;F01D11/00 |
主分类号 |
F01D5/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|