An electrical assist device is provided for a bicycle. The device includes an electric machine, a drive pinion, an attachment device, a source of electrical energy, and a controller. The attachment device fixes the electric machine to the bicycle near a tire of a wheel of the bicycle. The source of electrical energy powers the electric machine. The controller controls the electric machine. The electric machine includes a rotor, which drives the drive pinion. The drive pinion includes teeth structured to mesh tangentially with complementary teeth fastened to the tire.
Electric assist device for a bicycle and electrically assisted bicycle provided with such a device
03.01.2017
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
ELECTRIC ASSIST DEVICE FOR A BICYCLE AND ELECTRICALLY ASSISTED BICYCLE PROVIDED WITH SUCH A DEVICE
Europäisches Patentamt | 2015
|Europäisches Patentamt | 2016
|Europäisches Patentamt | 2015
|Europäisches Patentamt | 2019
|Europäisches Patentamt | 2021
|