The present invention relates to an electric vehicle comprising: a main motor that generates a driving force; a sub-motor that shares a rotation axis with the main motor; and a gear part located between a differential gear provided on a driving shaft and the main motor, wherein the main motor, after being operated, fixes an applied power and the gear part changes a gear ratio according to an operation of an accelerator pedal, thereby being capable of preventing a sharp drop in energy efficiency during high-speed driving as the main motor maintains a relatively low rotation during high-speed driving.

    본 발명은 전기 자동차에 관한 것으로, 구동력을 생성하는 메인모터와, 메인모터와 회전축을 공유하는 서브모터와, 구동축에 구비된 차동기어와 메인모터 사이에 위치된 기어부를 포함하며, 메인모터는 작동 후 인가되는 전력이 고정되고, 기어부는 가속페달 조작에 따라 기어비가 가변되며, 고속 주행 중 메인모터가 상대적으로 저회전을 유지하므로 고속 주행시 에너지 효율이 급격히 하락하는 것이 방지될 수 있는, 전기 자동차를 제공한다.


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    Titel :

    electric vehicle


    Weitere Titelangaben:

    전기 자동차


    Beteiligte:
    MIN IR HONG (Autor:in)

    Erscheinungsdatum :

    2021-05-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    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 / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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