ELECTROMAGNETIC VALVE

摘要

PROBLEM TO BE SOLVED: To provide an electromagnetic fuel injection valve capable of precisely controlling a stroke amount by a method that enables the valve to be easily manufactured.SOLUTION: An inside diameter fixed core 108 includes a cylindrical outside diameter portion and a downstream cylindrical outside diameter portion larger than the former outside diameter portion. The former outside diameter portion is slightly larger in diameter than an inside diameter portion 21 provided on a downstream side of an outer circumferential fixed core 107 and press-fitted. A press-fit margin between the outside diameter portion and the inside diameter portion 21 is specified to be able to obtain a press-fit load higher than a load generated at a time of collision between a needle 102 and the inside-diameter fixed core 108. Valve element stroke adjustment is managed in response to contact between the inside-diameter fixed core 108 and the outside-diameter fixed core 107.SELECTED DRAWING: Figure 2