专利名称：Liquid measuring device发明人：Robert T. Buck申请号：US06/231082申请日：19810203公开号：US04386716A公开日：19830607
摘要：The invention is an improved liquid measuring device which can be used as aproportioner, dispenser or flow meter for a single fluid or for an unlimited number offluids. The device embodies a free-floating piston sealed within a cylinder capped at bothends, a high-resolution detector system, either optical or electrical, to accuratelydetermine the piston location within the cylinder, and a microprocessor which convertsthe lateral movement of the piston within the cylinder into volume measurements of thefluid in the cylinder.
申请人：BECTON DICKINSON AND COMPANY
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