The present invention relates to a transmission for an electric vehicle. The purpose of the present invention is to apply the transmission to various electric vehicles. The transmission capable of driving forward includes: a first forward driving mode in which power of a driving motor is transmitted to a wheel through a sun gear, a planet gear of a carrier, and a ring gear by a clutch; and a second forward driving mode in which the power of the driving motor is transmitted to the wheel through the sun gear, the carrier, and the ring gear. The clutch includes: a clutch housing rotating with the carrier by being connected to the carrier; a clutch wear plate installed to rotate with the clutch housing on the inner circumference of the clutch housing; and a clutch disk installed to rotate with the ring gear on the outer circumference of the ring gear and connecting or disconnecting the carrier and the ring gear by being selectively connected to the clutch wear plate. The transmission includes a dog clutch fixing the carrier by being connected to the clutch housing in a back-driving mode. While the rotation of the carrier is fixed by the dog clutch in the back driving mode, the power generated by reverse rotation of the driving motor is transmitted to the wheel through an input shaft, the sun gear, the planet gear, the ring gear, and an output shaft so that driving backward is possible.

    본 발명은 전기 차량용 변속장치에 관한 것으로, 클러치에 의해 구동모터의 동력이 선기어, 캐리어의 유성기어, 링기어를 통해 휠에 전달되는 1단 전진 모드와, 구동모터의 동력이 선기어, 캐리어, 링기어를 통해 휠에 전달되는 2단 전진 모드를 포함하여 전진 주행 가능한 변속장치로서, 클러치는 캐리어에 연결되어 캐리어와 같이 회전되는 클러치하우징; 클러치하우징의 내주에서 클러치하우징과 같이 회전되게 구비되는 클러치마찰판; 링기어의 외주에서 링기어와 같이 회전되게 구비되는 한편 클러치마찰판과 선택적으로 접촉되어 캐리어와 링기어를 연결하거나 차단시키는 클러치디스크;를 포함하고, 변속장치에는 후진 모드시 클러치하우징과 결합되어 캐리어를 고정시키는 도그클러치가 구비되어, 후진 모드시 도그클러치에 의해 캐리어의 회전이 고정된 상태에서 구동모터의 역회전에 의한 동력이 입력축, 선기어, 유성기어, 링기어, 출력축을 통해 휠에 전달되어 후진 주행이 가능한 변속장치를 제공한다.


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    Title :

    Transmission for electric motor vehicles


    Additional title:

    전기 차량용 변속장치


    Contributors:
    CHOI WOO SEOK (author) / KIM SU MIN (author) / SEOL JIN WOO (author) / KIM HAN SOL (author) / KANG SE HYUNG (author)

    Publication date :

    2023-02-13


    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 / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen




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