Patent ID: 9512810
Filing Date: 2016-12-06
CPC Classification: F02M

Claim Text:
1. An electromagnetic fuel injection valve comprising: a valve seat; a movable valve body that is arranged to face the valve seat; and a solenoid device that suctions the movable valve body to unseat the movable valve body from the valve seat and injects a fuel, wherein the solenoid device includes a coil wire, a bobbin that supports the coil wire wound there around, and a core that forms a magnetic path, wherein a winding initiation side and a winding completion side of the coil wire intersect with each other, wherein the bobbin has a cylindrical portion around which the coil wire is wound, a pair of tying portions that fix the winding initiation side and the winding completion side of the coil wire, and a supporting portion that supports the pair of tying portions, wherein the supporting portion extends from the cylindrical portion in a radial direction with respect to the cylindrical portion, wherein a first groove having a diameter larger than a diameter of the coil wire and extending along a direction perpendicular to the radial direction is disposed in the supporting portion, wherein a second groove adjacent to a portion of the first groove is disposed in the supporting portion, wherein the coil wire passes through the first groove and the second groove, and wherein a crossing portion of the coil wire is separated into upper and lower stages by the first groove and the second groove.