Pumping device having improved emptying detection features
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United States of America Patent
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Feb 27, 2018
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app pub date -
Feb 1, 2013
filing date -
Feb 1, 2012
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Abstract
Sensor for dynamically detecting the residual fluid volume Vres of a collapsible reservoir (1,3) characterized by the fact that it is adapted to detect a threshold pressure Pth which corresponds to a phase within said reservoir (1,3) when only said residual fluid volume Vres remains, said residual volume Vres corresponding to a safety volume sufficient to ensure a safety margin to alert the user before the reservoir (1,3) is empty.
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