Patent ID: 6450424
Filing Date: 2002-09-17
Classification: F02M

Abstract:
An electromagnetically actuated valve, comprising:a core; a solenoid coil; a first restoring spring; an armature actuatable by the solenoid coil in a stroke direction in opposition to the first restoring spring; a fixed valve seat; a valve-closure member actuatable by the armature, the valve-closure member cooperating with the fixed valve seat; a valve needle fixedly joined to the armature and the valve-closure member, the valve needle constituting a movable valve element; and an auxiliary body arranged on the valve needle between the armature and the valve-closure member, the auxiliary body being movable relative to the valve needle; wherein the valve needle and the auxiliary body are configured so that the valve needle is acceleratable in the stroke direction by energy transfer in response to a motion of the auxiliary body in the stroke direction.