Fluidic dispensing device having a guide portion
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United States of America Patent
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Feb 19, 2019
Grant Date -
Dec 21, 2017
app pub date -
Jun 15, 2016
filing date -
Jun 15, 2016
priority date (Note) -
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Abstract
A fluidic dispensing device includes a housing having a chamber that defines an interior space, and has an inlet port and an outlet port. A flow control portion has a flow separator feature. The flow separator feature is positioned adjacent the inlet port. A stir bar is located in the chamber, has a rotational axis, and has a plurality of paddles, with each paddle having a free end tip. The stir bar has a stir bar radius from the rotational axis to the free end tip. A guide portion confines the stir bar in a predetermined portion of the interior space of the chamber. A ratio of the stir bar radius and a clearance distance between the free end tip and the flow control portion is 5:2 to 5:0.025.
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