An electric bicycle is described with a propulsion unit comprising two pedals (12), an electric motor (M) to assist pedaling, a first drive toothed wheel (22) connected via a free wheel to the pedals, and a second drive toothed wheel (24) which is coaxial to the first toothed wheel and connected to the motor to receive drive torque, Two chains transfer drive torque from the first and second wheels to two gears of a bicycle wheel. An electronic circuit controls electrical power generated by the electric motor, and preferably stores it in a battery.
PROPULSION UNIT FOR ELECTRIC POWER-ASSISTED BICYCLE
ANTRIEBSEINHEIT FÜR EIN FAHRRAD MIT ELEKTRISCHEM HILFSANTRIEB
UNITÉ DE PROPULSION POUR BICYCLETTE À ASSISTANCE ÉLECTRIQUE
2022-09-07
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
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