CONTROL VALVE HAVING A TOP MOUNTED SINGLE POLE SOLENOID FOR A FUEL INJECTOR

摘要

A control valve (30), preferably for use in a fuel injector (14), includes a valve body (41, 42) defining an inlet passage (32) separated from an outlet passage (33-35) by a valve seat (58). A single pole solenoid (60) is attached to the valve body (41, 42), and includes a pole piece (81) and an armature (61). A valve member (65) with a centerline (37) is positioned in the valve body (41, 42), attached to the armature (61) and moveable between an open position in which the inlet passage (32) is open to the outlet passage (33-35), and a closed position in which the inlet passage (32) is closed to the outlet passage (33-35). The pole piece (81) is positioned between the valve seat (58) and the armature (61) along the centerline (37) of the valve member (65).