Solenoid valve with a digressively damped armature
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United States of America Patent
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Sep 17, 2013
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N/A
app pub date -
Apr 18, 2012
filing date -
Apr 18, 2012
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Abstract
An electrohydraulic control valve includes a solenoid actuator that slides a valve element within a valve body to control fluid flow between a workport and each of a supply port and an exhaust port. The solenoid actuator has an armature that incorporates an element which digressively damps bidirectional motion of the armature. The element preferably damps the motion of the valve element according digressive damping velocity-force relationship.
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