Patent ID: 7946274

Claim:
An electromagnetic fuel injection valve comprising: a movable member having a valve element arranged to come into contact with a valve seat at a tip end thereof; an anchor arranged for relative movement with respect to the movable member in a reciprocating direction; a stationary core and a yoke to form a magnetic circuit with the anchor; a coil configured to generate a magnetic flux in the magnetic circuit by being energized; a first spring arranged to urge the movable member in a valve closing direction; a second spring arranged to urge the anchor in a valve opening direction with an urging force smaller than that of the first spring; a metallic cylindrical-shaped vessel including a large diameter portion and a small diameter portion which is formed integrally with the large diameter portion of the same material, with the coil and the yoke being arranged on a side of an outer circumference surface of the large diameter portion and the stationary core being arranged on a side of an inner circumference surface of the large diameter portion, and a spring seat member constituting a spring seat for the second spring arranged on an inner circumference surface of the metallic cylindrical-shaped vessel located on a side of the small diameter portion with respect to the stationary core, wherein the second spring and the anchor are accommodated within a space of the metallic cylindrical-shaped vessel partitioned by the spring seat member and the stationary core.