전기자동차용 구동장치가 개시된다. 본 발명의 일 실시 예에 따른 전기자동차용 구동장치는 2개의 모터와 3개의 감속기구부를 조합하여 전기자동차의 운전 영역별로 그 역할을 적절히 수행할 수 있도록 작동함으로써, 요구 성능 사양이 증가하더라도 비용 대비 효율 이득 및 효과를 유지할 수 있거나 그 구동 효율을 높게 유지할 수 있도록 한다.
A driving apparatus for an electric vehicle includes a first motor transmits driving torque to the wheels on both sides, and including a first motor shaft of a hollow shaft, a second motor disposed parallel to the first motor, an output shaft coaxially disposed with a second motor shaft of the second motor, a first reduction mechanism including a first planetary gear set disposed on one driveshaft, including first, second, and third rotation elements, a second reduction mechanism including a second planetary gear set disposed between the second motor shaft and the output shaft, which includes fourth, fifth and sixth rotation elements, and reduces speed of torque input from the second motor and outputs to the output shaft, and a third reduction mechanism including an output gear fixed to one side of the output shaft and the differential ring gear engaged with the output gear.
Driving device for electric vehicles
전기자동차용 구동장치
2025-06-20
Patent
Electronic Resource
Korean