DRIVETRAIN SYSTEM FOR AN ELECTRIFIED VEHICLE

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DRIVETRAIN SYSTEM FOR AN ELECTRIFIED VEHICLE

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JIN YE JIN / CHEN KAI KAI / SUN GUOQIANG

The present disclosure relates to a drive train system for an electric vehicle. The drive train system comprises: an electric motor which is constituted to provide driving force and includes a rotor and a driving shaft driven by the rotor; a reducer which is constituted to decrease speed and increase torque received from the driving shaft and has a middle electric shaft with a hollow axial passage; and a pumping component constituted to transfer lubricant. The pumping component is mechanically integrated with the middle electric shaft, is driven by the middle electric shaft, and has a plurality of passages for providing the lubricant to the hollow axial passage of the middle electric shaft and a component placed on the middle electric shaft. The drive train system provides a lubrication design with a simple structure, low energy loss, and low cost.

본 개시는 전기 자동차용 드라이브 트레인 시스템에 관련된다. 상기 드라이브 트레인 시스템은, 구동 동력을 제공하도록 구성되고 회전자 및 회전자에 의해 구동되는 구동 샤프트를 포함하는 전기 모터와; 속도를 감소시키고 구동 샤프트로부터 수신된 토크를 증가시키도록 구성된 감속기―상기 감속기는 중공 축방향 통로를 갖는 중간 전동 샤프트를 구비함―와; 윤활제를 전달하도록 구성된 펌핑 구성요소를 포함한다. 펌핑 구성요소는 중간 전동 샤프트에 기계적으로 통합되고 중간 전동 샤프트에 의해 구동되며, 윤활제를 중간 전동 샤프트의 중공 축방향 통로 내로 그리고 중간 전동 샤프트 상에 배치된 구성요소로 공급하기 위한 복수의 통로를 구비한다.

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Document information

Title :

DRIVETRAIN SYSTEM FOR AN ELECTRIFIED VEHICLE

Additional title:

전기 자동차용 드라이브 트레인 시스템

Contributors:

JIN YE JIN (author) / CHEN KAI KAI (author) / SUN GUOQIANG (author)

Publication date :

2021-10-25

Type of media :

Patent

Type of material :

Electronic Resource

Language :

Korean

Classification :

IPC:

F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES