[Problem]Provided is a drive device enabling enough space for installing a battery and the like to be secured in an electric vehicle.[Solution means]A drive device for an electric vehicle includes: an in-wheel motor; and a reduction gear that reduces rotational speed of the in-wheel motor and transmits resultant rotation to a drive wheel of the electric vehicle; the reduction gear including a sun gear driven by the in-wheel motor, a first planetary gear that is arranged to be meshed with the sun gear and has a first number of teeth, a fixed ring gear that is meshed with the first planetary gear and arranged non-rotatably, a second planetary gear that is coupled to the first planetary gear and has a second number of teeth that is smaller than the first number of teeth, a movable ring gear that is meshed with the second planetary gear and arranged rotatably, and a transmission member that transmits rotation of the movable ring gear to the drive wheel.
DRIVE DEVICE FOR ELECTRIC VEHICLE AND ELECTRIC VEHICLE
ANTRIEBSVORRICHTUNG FÜR EIN ELEKTROFAHRZEUG UND ELEKTROFAHRZEUG
DISPOSITIF D'ENTRAÎNEMENT POUR VÉHICULE ÉLECTRIQUE ET VÉHICULE ÉLECTRIQUE
02.06.2021
Patent
Elektronische Ressource
Englisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
DRIVE DEVICE FOR ELECTRIC VEHICLE, DRIVE UNIT AND ELECTRIC VEHICLE
Europäisches Patentamt | 2021
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