| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel injection device preventing burrs which may be formed by screw fitting from intruding into a control valve storage chamber in fuel injection devices in which components of control valves are screwed and fitted to housings. Ž<P>SOLUTION: This fuel injection device 1 is provided with a valve housing (support member) 25 supporting a valve element 30 of a control valve 6 movably in an axial direction, and a housing 3 storing the valve element 30 and the valve housing 25 therein and including an inner wall 23 having the valve housing 25 screwed and fitted thereto, and has a control valve storage chamber 41 formed inside the inner wall 23 by screwing and fitting the valve housing 25 on the inner wall 23. Both of the valve housing 25 and inner wall 23 are provided with screw parts 23r, 25r screwing and fastening the both, and a sealing part (diameter expansion annular part) 252c provided on a specific member 25 of the both and blocking an end part at a control valve storage chamber 41 side of the screw part 25r. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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