| 摘要 |
PURPOSE: To keep the sliding part of a valve body part always immersed in a liquid having lubricity, so as to prevent abrasion of the sliding part, by making a structure wherein the sliding part and a passage for gas fuel are separated from each other in a fuel injection valve for gas fuel for controlling the gas fuel amount by the intermittent movement of the valve body part. CONSTITUTION: An electromagnetic injection valve 1 generates electromagnetic field by supplying power to a coil 8 and moves a valve body part including a plunger 5 while slacking a diaphragm 14 the instant a suction force against a spring 12 is generated. Thereby, gas fuel from a gas inflow port 17 is measured by an orifice 21 provided on a nozzle and a plate 20 and injected. In this case, the valve body part is moved along the shaft center of a fuel injection valve by the sliding part formed by a ring 13 and a core 2 without being deviated, and the sliding part and in the vicinity of the sliding part are immersed by liquid having lubricity, to be supplied from a fluid inflow port 22 through a yoke liquid inflow port 23, so as to secure lubricity. |
