FUEL INJECTION VALVE WITH A WELD RING AND METHOD FOR PRODUCING THE SAME

The application provides a fuel injection valve, which includes a valve body, a valve needle, and an actuator assembly. The valve body includes a cavity with a fluid outlet portion. The valve needle is movable in the cavity. The actuator assembly includes an electro-magnetic coil, a pole piece, and an armature element. The armature element is movable in the cavity and operable to move the valve needle in a predetermined direction for unsealing the fluid outlet portion. The fuel injection valve further includes a fixing ring that abuts the pole piece. The fixing ring is joined to the valve body.