Fuel injection valve for IC engine has control face of valve piston acting against conical valve seat aound outside of coaxial discharge bore

摘要

The fuel injection valve (1) has a valve piston (11) controlling the opening and closing movement of a valve element (4) and having a control face (14) forming part of a control pressure space (15), cooperating with a conical valve seat around the outside of a coaxial discharge bore (18), receiving a pin (23) of the valve piston in the closed position.