Patent ID: 6537167
Filing Date: 2003-03-25
Classification: B60K,B60L

Abstract:
An electrical wheel drive for single wheel hub for a vehicle, the electrical wheel drive comprising:a single wheel hub (5) supporting at least one tire; a planetary gear (3) coupled to drive the single wheel hub (5); a plurality of electric motors (1), each having a shaft offset from a rotational axis of the wheel hub for supplying driving power to only the single wheel hub (5) via the planetary gear (3), at least one wheel hub bearing (4) for supporting the single wheel hub (5) and facilitating rotation of the single wheel hub (5) relative to a stationary structure of the wheel drive; at least one brake (7) coupled to the single wheel hub (5) for stopping rotation of the single wheel hub (5), and a spur gear assembly (2) for receiving a combined driving power from each of the plurality of electric motors (1) and for supplying a combined driving output, from each of the plurality of electric motors (1), as a single drive input to the planetary gear (3) to drive only the single wheel hub (5), and the spur gear assembly (2) comprising a spur gear directly connected by a single shaft to a sun gear of the planetary gear (3).