发明名称 |
COOLING PASSAGE COVER, MANUFACTURING METHOD OF THE COVER, AND GAS TURBINE |
摘要 |
To provide a cover of a cooling passage that forms a cooling passage for supplying cooling air to a turbine rotor blade at the last stage via inside of a disk of a turbine, and the cover comprises: a cylindrical cover portion that covers a cavity provided in a annular pattern in an outer circumference of the disk in a mode where a first passage opened from inside of the disk to the cavity and a second passage opened from a cooling passage of the turbine rotor blade at the last stage to the cavity are connected to each other; and a flexible portion that is formed integrally with the cover portion and allows flexure in an axial direction of the turbine. |
申请公布号 |
US2011016884(A1) |
申请公布日期 |
2011.01.27 |
申请号 |
US20090934036 |
申请日期 |
2009.01.15 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
HASHIMOTO SHINYA;ARASE KENICHI |
分类号 |
F02C7/12;B23P15/02;F01D5/08 |
主分类号 |
F02C7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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