Device and method for dispensing or receiving a liquid volume
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United States of America Patent
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Oct 4, 2016
Grant Date -
Dec 12, 2013
app pub date -
May 31, 2013
filing date -
Jun 1, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A device for dispensing or receiving a liquid volume includes a liquid reservoir having an outlet, a pressure generator which provides a compressible enclosed gas volume of a constant amount of substance with a pressure, wherein the gas volume is in direct or indirect fluidic contact with the liquid in the liquid reservoir, a dosing device coupled to the outlet of the liquid reservoir and operable in order to enable the liquid to pass the outlet, a pressure sensor arranged to measure a current pressure in the gas volume and to output an output signal indicating the current pressure in the gas volume and a controller coupled to the pressure generator, the dosing device and the pressure sensor.
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