| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission of a small-sized and compact structure capable of varying the rotating speed of right and left wheels freely, the same speed inclusive according to the load, increasing the output of an electric motor, and attaining high inspection and maintenability. SOLUTION: In this power transmission of a vehicle using an electric motor, an electric motor, a planetary gear device and a bevel gear differential gear are concentrically provided in an axle housing, the planetary gear device is disposed between the electric motor and the differential gear device, one wheel is disposed on the outside of the electric motor, the other wheel is disposed on the outside of the differential gear device, a rotor of the electric motor and an input shaft of the planetary gear device are formed hollow, one side of an output shaft of the differential gear device is passed through the hollow part to be connected to one side wheel, and the other side of the output shaft of the differential gear device is connected to the other side wheel.
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