摘要 |
The present invention refers to a fan, particularly a fan having a flexible shaft and a magnetic suspending bearing, so that mechanical vibration is minimized and lubricating of the bearing is not needed. The fan comprises a casing in witch is installed an impeller. The axle of the impeller supported by a bearing which can radially magnetic suspending the axle. A flexible shaft is connected between the impeller axle and the motor axle. |