70225 ⎘
Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor; Rider propelled cycles with auxiliary combustion engine power-driven at axle parts
Method of controlling an electromechanical drive mechanism
#2Gasoline engine boosting system and bicycle using the same
#3Method of operating a pedal cycle having an electro-mechanical drive arrangement
#4Regenerative braking method
#5TRANSMISSION SYSTEM FOR A CYCLE
#6Power drive for a bicycle
#7Hub motor formed in a wheel
#8Hydraulic regenerative braking for a vehicle
#9Hub motor formed in a wheel
#10Automatic dual-function clutch