Motorunterstütztes Fahrrad

摘要

The present invention relates to a series-parallel combined driving system for mixed electric car using epicyclic train. Said ivnention can simplify control complexity of existent driving system, reduce quantity of accumulator and implement low consumption of energy and low discharge of waste gas. Said invention is characterized by that the internal combustion engine is connected with centre wheel by means of clutch and brake, the motor is connected with outer ring gear by means of brake, clutch and an inscribed gear, and the planetary gear is connected with main gear box by means of brake and clutch, and the drive power can be transferred onto car wheel of electric car by means of main gear box.