发明名称 |
ROTOR, TURBINE DISC AND GAS TURBINE |
摘要 |
<p>In a turbine disk and a gas turbine, the turbine disk is firmly connected to a rotor (24) to be rotatably supported; a plurality of rotor blades (22a) is arranged on an outer circumference thereof in a circumferential direction; first cooling holes (42) penetrating the turbine disk from inside toward outside thereof and being communicatively connected to a cooling passage (41) arranged inside of the rotor blades (22a) are arranged in the circumferential direction; second cooling holes (43) arranged between each of the first cooling holes (42) and penetrating the turbine disk from the inside toward the outside thereof are provided; and the first cooling holes (42) and the second cooling holes (43) are communicatively connected by way of a radial direction communicating channel (47), to alleviate concentration of stress and to improve durability.</p> |
申请公布号 |
EP2246526(B8) |
申请公布日期 |
2015.04.22 |
申请号 |
EP20090715480 |
申请日期 |
2009.01.16 |
申请人 |
MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
发明人 |
HASHIMOTO, SHINYA;ARASE, KENICHI |
分类号 |
F01D5/32;F01D5/00;F01D5/02;F01D5/08;F02C7/18 |
主分类号 |
F01D5/32 |
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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