ELECTRIC BICYCLE

An electric bicycle is provided to suppress an impact when pedals are pressed and a motor starts rotating a wheel in a coasting state. A pedal force applied to pedals 11 is detected by a sensor 12. In the case where the sensor detects that the pedal force is not smaller than a predetermined force, a...

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Bibliographic Details
Main Author SHIMAZU, MASAHIRO
Format Patent
LanguageEnglish
French
German
Published 11.12.2013
Subjects
CYCLES
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
PERFORMING OPERATIONS
POWERED PROPULSION OF SLEDGES OR
RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES
TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
TRANSPORTING
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Summary:An electric bicycle is provided to suppress an impact when pedals are pressed and a motor starts rotating a wheel in a coasting state. A pedal force applied to pedals 11 is detected by a sensor 12. In the case where the sensor detects that the pedal force is not smaller than a predetermined force, a control unit 75 rotates an output rotation unit 51 at least at a predetermined first acceleration when the rotation speed of the output rotation unit 51 is not lower than that of a front wheel 5. In the case where the rotation speed of the output rotation unit 51 is lower than that of the front wheel 5 in a coasting state, the control unit 75 rotates the output rotation unit 51 at a second acceleration lower than the first acceleration at least when a clutch 22 is engaged.
Bibliography:Application Number: EP20120741787