A drive unit for an electric bicycle, the drive unit including a motor configured to generate a rotary force to drive a wheel of the electric bicycle, and a reduction gear unit provided with a plurality of gears to decelerate a rotary force generated from the motor, wherein the motor is provided with a rotor which has an accommodation space formed at a center thereof and a stator installed to surround the rotor while being spaced apart from the rotor by a predetermined interval, and the reduction gear unit includes a first planet gear assembly disposed on an accommodation space inside the motor and connected to the rotor, and a second planet gear assembly disposed outside the motor and connected to the first planet gear assembly.
Drive unit for electric bicycle
2015-06-03
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
European Patent Office | 2022
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