MULTI ADDITIVE CHANNEL HEAD
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United States of America Patent
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Issued Date -
Sep 15, 2022
app pub date -
Mar 12, 2021
filing date -
Mar 12, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A device for automatically and selectively dispensing multiple additives into a base liquid is disclosed, where each additive is dispensed by a control mechanism that effectively shuts off and is self-cleaning. In one embodiment, each additive is provided through a channel comprising a tube, a check disk, and a fulcrum. When the pressure of a particular additive increases above a threshold, a flexure is created in the check disk, which causes an opening that allows the additive to enter a main channel where it is mixed with a base liquid. When the pressure of the liquid additive is decreased below the threshold, the check disk reverts to its original form and the additive is no longer dispensed into the base liquid. Thereafter, the base liquid cleanses the mechanism.
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