According to the present invention, a motor driven power steering (MDPS) system is disclosed. The disclosed MDPS system comprises: a driving member generating power; a worm shaft member having a worm gear and engaged with a worm wheel to be rotated; and a coupler member interposed between the driving member and the worm shaft member, and transmitting power generated from the driving member to the worm shaft member. The coupler member comprises: a couple sleeve portion surrounding the driving member and the worm shaft member; and a sleeve pressurizing portion surrounding the couple sleeve portion and pressurizing the couple sleeve portion toward the driving member or the worm shaft member. According to the present invention, the MDPS system provides an axial load to improve rattle performance.

    전동식 조향장치에 관한 발명이 개시된다. 개시된 전동식 조향장치는, 동력을 발생시키는 구동부재와, 웜기어가 구비되어 웜휠과 맞물려 회전하는 웜샤프트부재와, 구동부재와 웜샤프트부재 사이에 개재되어, 구동부재에서 발생된 동력을 웜샤프트부재로 전달하는 커플러부재를 포함하며, 커플러부재는, 구동부재와 웜샤프트부재를 둘러싸는 커플슬리브부와, 커플슬리브부를 둘러싸며 커플슬리브부를 구동부재 또는 상기 웜샤프트부재 측으로 가압하는 슬리브가압부를 포함하는 것을 특징으로 한다.


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    Title :

    MOTOR DRIVEN POWER STEERING SYSTEM


    Additional title:

    전동식 조향장치


    Contributors:

    Publication date :

    2016-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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