Patent ID: 8152484
Filing Date: 2012-04-10
Classification: F04D,F16D

Abstract:
1. A fan assembly comprising: a motor including a drive shaft; a fan including, a drive member coupled to the drive shaft for rotation with the drive shaft, the drive member contacting the inner face of the fan hub to define a plurality of discrete drive member contact zones between the drive member and the inner face of the fan hub, the drive member applying a first pressure to the inner face of the fan hub at the drive member contact zones to inhibit movement of the fan along the drive shaft; and a clip that engages the drive shaft and the outer face of the fan hub to couple the fan to the drive shaft, the clip contacting the outer face of the fan hub to define a plurality of discrete clip contact zones between the clip and the outer face of the fan hub, the clip applying a second pressure to the outer face of the fan hub at the clip contact zones to inhibit movement of the fan along the drive shaft, and wherein the plurality of drive member contact zones are generally aligned with the plurality of clip contact zones.