METHOD OF OPERATING A DIGITAL INLET VALVE
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United States of America Patent
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Apr 20, 2017
app pub date -
Oct 20, 2016
filing date -
Oct 20, 2015
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Abstract
A circuit and a method for a digital inlet valve having a shutter moveable between a closed and an open position and actuated by a linear electromagnetic actuator including a movable needle located inside a coil winding connected to a power source by a first electronic switch. An electric current is supplied to the coil winding. A parameter indicative of a movement of the needle is monitored. The electric current supply is adjusted when the monitored parameter exceeds a predetermined value.
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