According to the present invention, provided is a rotor assembly of a motor which can further improve cooling performance of a rotor. The rotor assembly of a motor comprises: a rotation shaft extended in one direction; a rotor core coupled to the rotation shaft and having a plurality of holes formed through the one direction; a first end ring coupled to one end of the rotor core and having a first oil guide surface formed to guide oil supplied to the rotor assembly to the plurality of holes; and a second end ring coupled to the other end of the rotor core and having a second oil guide surface which guides the oil passing through the plurality of holes in a radial direction.

    본 발명을 따르는 모터의 회전자 조립체는, 일 방향으로 연장되게 형성되는 회전축, 상기 회전축에 결합되며, 상기 일 방향으로 관통 형성되는 복수의 홀을 구비하는 회전자 코어, 상기 회전자 코어의 일단에 결합되며, 상기 회전자 조립체에 공급되는 오일을 상기 복수의 홀로 안내하도록 형성되는 제1 오일 안내면를 구비하는 제1 엔드링 및 상기 회전자 코어의 타단에 결합되며, 상기 복수의 홀을 통과한 오일을 반경 방향으로 안내하는 제2 오일 안내면를 구비하는 제2 엔드링을 포함할 수 있다.


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    Title :

    MOTOR


    Additional title:

    모터


    Contributors:
    KIM KYEONGHWAN (author) / SUNG WONJUNG (author) / PARK GYEONGJAE (author) / SHIN HOJUN (author) / AHN JUNHO (author) / LEE YANGSOO (author) / KIM JONGSU (author)

    Publication date :

    2020-09-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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