Auxiliary driving device for motor vehicle, has driving wheel comprising internal and external teeth ring gears formed towards inside of driving wheel by taking movement with piston engine based on high movement reduction ratio

摘要

The device (1) has a control unit (7) connected to an auxiliary driving assembly (5) and control of a heat engine of a motor vehicle, such that the motor vehicle is driven by the heat engine and/or auxiliary driving assembly based on the operating conditions of the vehicle particularly by the auxiliary driving assembly. A driving wheel (3) comprises internal teeth ring gear (15) and external teeth ring gear with large diameter formed towards inside of the driving wheel by taking the movement with a piston engine (11) based on a high movement reduction ratio.