Method for operating a device for the dosed supply of a liquid
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United States of America Patent
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Sep 5, 2017
Grant Date -
Mar 10, 2016
app pub date -
Apr 16, 2014
filing date -
Apr 26, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A method for operating a device for the dosed supply of a liquid includes: detecting a demanded dose amount of the liquid; activating an electric drive of a pump to move a seal in a delivery direction from an inlet to an outlet to deliver the liquid by application of an operating voltage to the electric drive; stopping operation of the pump when the delivered amount of the liquid corresponds to the demanded dose amount; stopping movement of an eccentric; and maintaining a holding voltage at the electric drive. In response to the holding voltage, a holding torque is exerted on the eccentric and a movement of the eccentric counter to the delivery direction is prevented.
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