| 摘要 |
<p>The present invention relates to a fuel injection valve comprising: a valve seat which is joined to one inner side of a valve housing as the outer body and is pierced by the center to form an injection hole; a needle shaft which is arranged inside the valve housing to open or close the injection hole with the axial movement and which has a hole on the side to discharge a fuel from the inside to the outside; an amateur arranged inside the valve housing to make the needle shaft move in an axial direction using an electromagnetic force; and a needle filter arranged on the outer circumference of the needle shaft to filter out the fuel discharged from the needle shaft.</p> |
