To provide a fuel injection device capable of simplifying a structure including a function changing characteristics, a shape and the like of spray by one fuel injection valve.
This device is provided with a nozzle body 11 including a first injection hole 21 and a second injection hole 22, a nozzle needle 30 movably arranged in the nozzle body 11 and including a first needle 31 opening and closing the first injection hole 21 and a second needle 32 opening and closing the second injection hole 22, a movable core 50 capable of cooperating with the nozzle needle 30, a core 60 facing a movable core 50 in an axial direction and composed of magnetic body, a drive coil 70 applying magnetic force on the movable core 50 and the core 60, and a magnetized member 80 capable of attracting and repulsing the core 60 to an opposite side of the movable core. The nozzle needle 30 independently increases and decreases injection hole area of the first injection hole 21 and the second injection hole 22.
COPYRIGHT: (C)2006,JPO&NCIPI
Kimitaka Saito
Nobuo Ota
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