Chemical Dispensing system and method
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United States of America Patent
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-
Jan 9, 2001
Grant Date -
N/A
app pub date -
Jan 8, 1999
filing date -
Oct 9, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Described herein is a chemical injection system and method utilizing a chemical storage vessel coupled to a bulk source of chemical and proportioned to contain a volume of chemical useful for multiple applications for which the chemical is to be utilized. A dispense vessel proportioned to contain a volume of chemical useful for a single application is fluidly coupled to the chemical storage vessel. A controller controls operation of a system of valves and sensors, which operate to fill the chemical storage vessel, and to precisely dispense the volume required for a single application from the storage vessel into the dispense vessel and then ultimately into the vessel in which the chemical is needed.
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