An electromagnetic fuel injection valve wherein a central pipe (27) part has satisfactory mechanical strength and an intermediate portion of the pipe part is surely made non-magnetic is provided. The electromagnetic fuel injection valve has a core (3) surr...

The present device is constituted such that a plunger pump P is constituted by a cylinder 8, a plunger 10, which is slidably mounted within this cylinder to form a pressure chamber 9, and a solenoid coil 11, which drives this plunger; at the lower section ...