These embodiments relate to an electric power assisted steering system. According to these embodiments, provided is the electric power assisted steering system including: an output shaft which has an upper end combined with an input shaft connected to a steering shaft and is rotated by a reduction gear connected to a motor; a ball screw which has an upper end connected to the lower end of the output shaft and has an outer circumferential screw groove on the outer circumferential surface to rotate in connection with the output shaft; a ball nut which has a gear tooth on the outer circumferential surface, has an inner circumferential screw groove corresponding to the outer circumferential screw groove on the inner circumferential surface, and is combined with the ball screw through a ball to slide in an axial direction; and a sector shaft which is combined with the gear teeth of the ball nut and operates a pitman arm while rotating during axial sliding of the ball nut.

    본 실시예들은 전동식 동력 보조 조향장치에 관한 것으로, 본 실시예들에 의하면, 상측단은 조향축과 연결되는 입력축과 결합되며 구동모터와 연결된 감속기어에 의해 회전하는 출력축, 상측단이 출력축의 하측단과 결합되며 외주면에 외주스크류홈이 형성되어 출력축과 연동되어 회전하는 볼스크류, 외주면에는 기어치가 형성되고 내주면에는 외주스크류홈과 대응되는 내주스크류홈이 형성되며, 볼을 매개로 볼스크류와 결합되어 축방향으로 슬라이딩되는 볼너트, 볼너트의 기어치와 결합되어 볼너트의 축방향 슬라이딩시 회전하면서 피트먼암을 작동시키는 섹터샤프트를 포함하는 전동식 동력 보조 조향장치가 제공될 수 있다.


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    Titel :

    Electric Power Steering Apparatus for Vehicle


    Weitere Titelangaben:

    전동식 동력 보조 조향장치


    Beteiligte:
    PARK JUNG SIK (Autor:in) / KO KYUNG MIN (Autor:in) / AHN SANG HEE (Autor:in)

    Erscheinungsdatum :

    2020-03-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16H Getriebe , GEARING



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