The present invention relates to a drive system for an electric vehicle comprising: a wheel rim, a bearing arrangement, a plurality of rotor elements circumferentially arranged along a circumference coaxial with a circumference of the wheel rim and fixated to the wheel rim adjacent to the bearing arrangement; and a plurality of stator elements circumferentially arranged along a circumference coaxial with the circumference of the rotor elements and spaced apart from the rotor elements, the stator elements are non-rotationally arranged to the non-rotating portion of the bearing arrangement, whereby an air gap in is formed between a stator element and a rotor element, wherein a first distance from the axis of rotation to the bearing arrangement is larger than a second distance from the air gap to the bearing arrangement.
HUBLESS WHEEL MOTOR
2017-03-02
Patent
Electronic Resource
English
IPC: | H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |