Patent ID: 6981930

Claim:
An integrated motor and traction drive comprising: a motor supplying power at a high angular velocity, the motor comprising a stator, a rotor which revolves in the stator at a high angular velocity, and a sun roller affixed to the rotor having a first raceway; a traction drive for receiving power at a high angular velocity and delivering the power at a lesser angular velocity, the traction drive comprising a carrier, an outer ring member having a fourth raceway eccentric to the first raceway of the sun roller and an output shaft for delivering power at a lesser angular velocity, and a loading planetary roller supported by the carrier having a third raceway that engages with the first raceway of the sun roller and the fourth raceway of the outer ring forming a converged wedge for transferring power between the sun roller and the outer ring; a base plate having a pinhole for supporting the loading planetary roller, a third bore for supporting the sun roller, pinholes for supporting the supporting planetary rollers, and islands; and a cover plate affixed to the base plate having a pinhole for supporting the loading planetary roller and a hole for hosting the sun roller.