| 摘要 |
An exhaust gas recirculation (EGR) valve with improved space efficiency, improved stability, and maximized driving force and a method of manufacturing cam thereof are disclosed. The EGR includes a housing, a drive motor to generate power, a power transmission unit connected to the drive motor to transmit the power generated by the drive motor, the power transmission unit comprising a plurality of gears, a rotary shaft connected to one of the gears constituting the power transmission unit, an actuating cam connected to the rotary shaft so as to move in a rotational direction of the rotary shaft, the actuating cam having a guide groove formed therein, and a valve member operatively connected to the actuating cam to selectively open and close an exhaust gas flow channel provided in the housing according to operation of the actuating cam, one end of the valve member being in contact with a top of the guide groove of the actuating cam such that the valve member is operated simultaneously when the actuating cam is rotated |
