FIELD: transport.
SUBSTANCE: rear wheel drive unit includes motors (2A, 2B) to drive the vehicle, hydraulic brakes (60A, 60B) installed on drivelines between motors (2A, 2B) and rear wheels, electronic control unit (45) and one-way clutch (50) installed in parallel to hydraulic brakes (60A, 60B) between motor and brakes. The one-way clutch (50) is engaged when forward torque is transmitted from motors to wheels and released when reverse torque is transmitted from motors to wheels. Herewith, the one-way clutch (50) is released when forward torque is transmitted from wheels to motors, and engaged when reverse torque is transmitted from wheels to motors. The electronic control unit (45) performs application of hydraulic brakes (60A, 60B) in such a manner that to couple motor sides and wheel sides when forward torque is transmitted from motor side to wheel side.
EFFECT: higher reliability.
20 cl, 25 dwg
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