| 发明名称 |
FAN ASSEMBLY FOR COOLING ELECTRIC MACHINE AND ELECTRIC MACHINE INCORPORATING SAME |
| 摘要 |
The subject matter described herein includes a fan assembly for cooling an electric machine and an electric machine incorporating such a fan assembly. One exemplary fan assembly according to the subject matter described herein includes a first fan annulus for surrounding a portion of an electric machine. The fan assembly further includes a fan drive circuit for driving the first fan annulus separately from a drive mechanism of the electric machine. The first fan annulus is configured to be, when rotating to cool the electric machine, mechanically disconnected from a housing and a rotor of the electric machine and separated from the housing by radial gap. |
| 申请公布号 |
US2015349609(A1) |
申请公布日期 |
2015.12.03 |
| 申请号 |
US201414292150 |
申请日期 |
2014.05.30 |
| 申请人 |
ABB TECHNOLOGY AG |
发明人 |
Tremelling Darren Dale;Shrestha Ghanshyam;Schneider Patrick;Pan Zhiguo |
| 分类号 |
H02K9/06;F04D19/00;F04D25/06 |
主分类号 |
H02K9/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A fan assembly for cooling an electric machine, the fan assembly comprising:
a first fan annulus for surrounding a portion of an electric machine; a fan drive circuit for magnetically driving the first fan annulus separately from a drive mechanism of the electric machine; and wherein the first fan annulus is configured, when rotating to cool the electric machine, to be mechanically disconnected from a housing and a rotor of the electric machine and separated from the housing by a radial gap. |
| 地址 |
Zurich CH |
