Control valve for fuel injection nozzle, has armature plate arranged in damping chamber and is integral with pressure piece that cooperates with valve element

摘要

A control chamber (12) contains a valve seat (16) which mounts a valve element (18) that opens and closes a fluid conduit (14). An armature plate (22) is set in a damping chamber (24) and is integral with a pressure piece (20) that cooperates with valve element. An armature coil (28) which acts upon the armature plate when excited. Overflow conduits (30,32,34) are provided between control and damping chambers The control chamber is connected with the fluid conduit that discharges fluid.