Patent ID: 8251167
Filing Date: 2012-08-28
Classification: B60K,B60Y

Abstract:
1. A cooling structure for an in-wheel motor, comprising: an in-wheel motor having at least a portion mounted within a wheel of a vehicle to drive the wheel or to be driven by the wheel; said in-wheel motor having a housing that completely accommodates both a rotor and a stator of the in-wheel motor; a heat radiating portion to facilitate cooling of said in-wheel motor; and a mounting bracket for assembling said in-wheel motor to a wheel supporting unit of the vehicle, the wheel supporting unit comprising a shock absorber, said mounting bracket being fixed to said in-wheel motor and contacting said housing of the in-wheel motor, wherein said heat radiating portion includes a cooling fin disposed on said mounting bracket, the mounting bracket is a unitary structure separate from the housing for mounting the housing directly to the wheel supporting unit, the mounting bracket includes a first surface located on a front side of the in-wheel motor and a second surface located on a lower side of the in-wheel motor, the first and second surfaces contact each other and are angled with respect to each other in a non-continuous manner, and a plurality of the cooling fins are provided on each of the first and second surfaces.