| 发明名称 |
ELECTRICAL MACHINE AND WIND POWER GENERATING SYSTEM |
| 摘要 |
A electrical machine and a wind power generating system include a stator having a stator winding, a rotor arranged on a side of an inner diameter of the stator with a clearance between the rotor and the stator, a shaft fixed to the rotor and rotated along with the rotor, and a heat pipe arranged from an inner portion over to an outer portion of the shaft, and a radius of gyration of a portion of the heat pipe arranged at the outer portion of the shaft is smaller than that of a portion arranged at the inner portion of the shaft. |
| 申请公布号 |
US2014306450(A1) |
申请公布日期 |
2014.10.16 |
| 申请号 |
US201414223101 |
申请日期 |
2014.03.24 |
| 申请人 |
HITACHI, LTD. |
发明人 |
SATOH Daisuke;KIMURA Mamoru;KUSUNO Nobuhiro;HORI Masahiro |
| 分类号 |
F28D15/02;F03D11/00 |
主分类号 |
F28D15/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An electrical machine comprising:
a stator including a stator winding; a rotor arranged on a side of an inner diameter of the stator with a clearance between the rotor and the stator; a shaft fixed to the rotor and rotated along with the rotor; and a heat pipe arranged from an inner portion over to an outer portion of the shaft, wherein a radius of gyration of a portion of the heat pipe arranged at the outer portion of the shaft is smaller than a radius of gyration of a portion of the heat pipe arranged at the inner portion of the shaft. |
| 地址 |
Tokyo JP |
