Patent ID: 9636999
Date: 2017-05-02
CPC Classifications: B60K

Claim:
1. An in-wheel assembly configured to be disposed within a wheel of a vehicle, and comprising: an in-wheel motor; a counter gear mechanism; a hub assembly comprising a hub shaft integrally formed with the counter gear mechanism; a planetary gear set; first and second bearings supporting both sides of a carrier engaged with a drive gear of the counter gear mechanism; a ring gear engaged with a planetary gear of the planetary gear set and supported by a knuckle; a third bearing disposed between a hub outer race of a lower arm and a hub inner race of the lower arm; and a fourth bearing disposed between the ring gear and a counter gear of the counter gear mechanism, wherein the first bearing comprises a larger diameter than the second bearing and is disposed closer to the vehicle than the second bearing, wherein a helix angle of the drive gear is opposite to a helix angle of the planetary gear, wherein the drive gear is axially spaced apart from the planetary gear, and wherein an inner diameter of the third bearing is larger than an inner diameter of the fourth bearing.