发明名称 |
TURBINE BLADE, AND GAS TURBINE INCLUDING SAME |
摘要 |
The present invention relates to a turbine blade (10). The turbine blade (10) of the present invention comprises a wing main body (11) which is attached to a rotor main body (2) in such a manner as to extend from the rotor main body (2) toward a radial direction outer side of the rotor main body (2), and a tip shroud (20) which is fixed to the radial direction outer side of the wing main body (11). A cooling passage (14) is disposed in the wing main body (11) in such a manner as to extend in a radial direction of the rotor main body (2) so that a coolant is circulated. The tip shroud (20) comprises a shroud main body (30) where a recess (60) which is open toward the radial direction outer side and communicates with the cooling passage (14) is disposed at an outer circumferential end surface, and a plug (70) which comprises a plurality of plug pieces (71, 72), each of which is inserted into an attachment groove (61a) disposed at a side surface of the recess (60) to collaboratively block the opening of the recess (60). |
申请公布号 |
EP2752555(A1) |
申请公布日期 |
2014.07.09 |
申请号 |
EP20120844208 |
申请日期 |
2012.10.24 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
ITO RYUTA |
分类号 |
F01D5/22;F01D5/18;F01D5/20 |
主分类号 |
F01D5/22 |
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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