Additive dispensing system and method
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United States of America Patent
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Nov 19, 2013
Grant Date -
Sep 20, 2012
app pub date -
May 3, 2012
filing date -
Oct 3, 2008
priority date (Note) -
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Abstract
A liquid metering device that dispenses liquid into an adjacent reservoir at a precise ratio relative to the total volume of the adjacent reservoir as the reservoir is filled with liquid. The hydrostatic dispensing system includes an additive reservoir, a calibrated dispensing vessel, a hydrostatic pressure chamber, a pressure limiter, and a three-way valve that passively arms and dis-arms the system.
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