According to the present invention, a speed reducer for a motor driven power steering system is disclosed. The disclosed speed reducer for a motor driven power steering system comprises: a drive pulley coupled to a drive unit to be rotated; a driven pulley connected to the drive pulley with a belt as a medium; a ball nut unit coupled to the driven pulley, and moving a rack bar straight by converting the rotational force of the driven pulley; and a bearing unit interposed between the ball nut unit and a housing unit, rotationally supporting the ball nut unit, and coupling the ball nut unit to the housing unit to be tilted. Provided is the speed reducer for a motor driven power steering system, which supports the rack bar to be tilted, and applies the bearing unit which is detachably coupled to the housing unit, thereby reducing the number of components and noise.

    전동식 파워 스티어링 시스템용 감속장치에 관한 발명이 개시된다. 개시된 전동식 파워 스티어링 시스템용 감속장치는, 구동부에 결합되어 회전되는 주동풀리와, 주동풀리와 밸트를 매개로 연결되는 종동풀리와, 종동풀리에 결합되며, 종동풀리의 회전력을 전환하여 랙바를 직선 이동시키는 볼너트부와, 볼너트부와 하우징부의 사이에 개재되고 볼너트부를 회전 가능하게 지지하며, 볼너트부를 하우징부에 틸팅 가능하게 결합하는 베어링부를 포함하는 것을 특징으로 한다.


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    Title :

    REDUCTION APPARATUS FOR MOTOR DRIVEN POWER STEERING SYSTEM


    Additional title:

    전동식 파워 스티어링 시스템용 감속장치


    Contributors:
    KIM HAN JUN (author)

    Publication date :

    2016-05-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16C SHAFTS , Wellen / F16H Getriebe , GEARING



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