A powertrain of an electrified vehicle, which improves electric efficiency, of the present invention comprises: an input shaft connected to a motor; a planetary gear device disposed concentrically with the input shaft and having a first rotation element, a second rotation element, and a third rotation element, wherein the first rotation element is configured to receive power from the input shaft and the second rotation element is composed of a rotational shaft of a step pinion including two pinions with different diameters; a driving gear installed to receive the power by decelerating the power transmitted from the input shaft through the planetary gear device and the step pinion; and a differential device having a differential ring gear teeth-engaged with the driving gear.

    본 발명은 모터에 연결된 입력축; 상기 입력축과 동심축을 이루며 배치되고, 제1회전요소, 제2회전요소 및 제3회전요소를 구비하며, 상기 제1회전요소는 상기 입력축으로부터 동력을 전달받을 수 있도록 구성되고, 상기 제2회전요소는 서로 다른 직경의 두 피니언을 포함하는 스텝피니언의 회전축으로 구성된 유성기어장치; 상기 입력축으로부터 전달되는 동력을 상기 유성기어장치와 스텝피니언을 통해서 감속하여 전달받는 상태를 형성할 수 있도록 설치된 구동기어; 상기 구동기어에 치합된 차동링기어를 구비한 차동장치를 포함하여 구성된다.


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    Title :

    ELECTRIC POWER TRAIN FOR VEHICLE


    Additional title:

    전동화 차량의 파워트레인


    Contributors:

    Publication date :

    2022-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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 / F16H Getriebe , GEARING



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