Patent ID: 7571891

Claim:
A solenoid valve for a fuel injection valve with an internal space, wherein fuel is included in the internal space, the solenoid valve comprising: a magnet coil that forms an electromagnet when energized; a stator that is magnetized by the electromagnet; and an armature provided in the internal space that is attracted to and moves toward the stator when the stator is magnetized; wherein the armature includes an attracted surface that faces the stator, a second surface that is opposite the attracted surface, a recess provided in the attracted surface, at least one through hole that extends through the armature from the attracted surface to the second surface, and at least one communication groove that establishes communication between the recess and the at least one through hole, wherein the stator includes a hole, and wherein the recess of the armature is in fluid communication with the hole, and wherein the hole included in the stator is in fluid communication with a fuel discharge passage.