To improve a response of an electric power unit (8) to operations performed by a rider while an increase in weight of an electric power unit (8) is suppressed. An electric power unit (8) according to the present invention includes: an energy storing rotor body (82a) which stores kinetic energy by being rotated; a rotational speed boosting mechanism (86) which rotates the energy storing rotor body (82a) at a rotational speed higher than a rotational speed of an electric motor rotary shaft (Sh1); a clutch (83) which switches a transmission state and a shut-off state, wherein, in the transmission state, the rotation of the electric motor rotary shaft (Sh1) and the rotation of the energy storing rotor body (82a) are being transmitted to an output shaft (Sh5), and in the shut-off state, the rotation of the electric motor rotary shaft (Sh1) and the rotation of the energy storing rotor body (82a) are prevented from being transmitted to the output shaft (Sh5); and the output shaft (Sh5) which rotates a drive wheel (4), the output shaft (Sh5) being rotated, with the clutch (83) being in the transmission state, by the rotation of the electric motor rotary shaft (Sh1) and the rotation of the energy storing rotor body (82a) which are transmitted by the clutch (83).
ELECTRIC POWER UNIT AND STRADDLED ELECTRIC VEHICLE
ELEKTRISCHE ANTRIEBSEINHEIT UND GRÄTSCHSITZELEKTROFAHRZEUG
ENSEMBLE PROPULSIF ÉLECTRIQUE ET VÉHICULE ÉLECTRIQUE À ENFOURCHER
2021-01-20
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B62K Fahrräder , CYCLES / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES |