| 摘要 |
The present invention is an in-wheel motor system which includes: a disk mounting a disk hat, wherein one area of a center part thereof is protruded to external; and a ventilation unit mounted to be able to rotate on the internal side of the disk hat to generate a cooling wind, wherein a plurality of air holes is formed on the edge area of the disk hat. The present invention is to dispose a cooling system of a simple structure inside a wheel without changing structure additionally in order to generate the cooling wind to the motor inside the wheel. Therefore the system has effects of being able to reduce the weight of the in-wheel motor system and improve the convenience of the manufacturing process. |
