Patent ID: 6502804
Filing Date: 2003-01-07
Classification: F01L

Abstract:
A charge-cycle device comprising:a charge-cycle valve having a valve stem; and an electromagnetic actuator positioned in a mounting component, said actuator having an opening magnet and a closing magnet with an armature positioned between said opening and closing magnet and wherein said armature is arranged to be axially displaceable with the armature being controlled by an armature plunger together with a prestressed spring system which includes an opening spring and a closing spring on said valve stem; and a hydraulic play-compensation element positioned between the armature plunger and the valve stem supplied with a pressure medium via a pressure port; said armature plunger including in a longitudinal direction, a duct whereby said duct provides for the connection of said play-compensation element to said pressure port; wherein said play-compensation element has a pressure space which is enclosed between a cylinder and a piston and is connected to said pressure port through a non-return valve and is also connected to an adjacent space through a throttle.