Valve device with a valve based on an electrodynamic actuator and method for controlling a valve with an electrodynamic actuator
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Nov 30, 2015
filing date -
Dec 2, 2014
priority date (Note) -
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Abstract
A valve device includes a valve having an electrodynamic actuator. The electrodynamic actuator includes a movably mounted control element having a coil and a magnet arrangement immovable relative to the coil. A driving force caused by energization of the coil and transmitted to the control element substantially is linearly dependent on the current intensity. A front-end electronic unit is connected with the coil and includes a capacitor connected in parallel to the coil. A method for controlling a valve as mentioned above provides that, upon actuation of the electrodynamic actuator, during energization of the coil by a voltage source, a capacitor connected in parallel to the coil is charged. After termination of the energization by the voltage source, the coil is energized further by a discharge of the capacitor.
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