Liquid dispenser and method for preventing liquid segregation
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United States of America Patent
Stats
-
Jul 22, 2014
Grant Date -
Oct 4, 2012
app pub date -
Mar 28, 2011
filing date -
Mar 28, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for selectively dispensing liquids, such as paint colorants. The apparatus comprises container assemblies with a container and a pump. A pump conduit connects the pump to a valve assembly. A recirculation conduit connects the container to the valve assembly bypassing the pump. The valve assembly is configured to be switched between a dispensing position and a recirculation position closing off the dispense conduit. Method of preventing segregation of a multiphase liquid in a pump conduit between a container and a dispense conduit. A valve assembly between the pump conduit and the dispense conduit closes off the dispense conduit while it opens a recirculation conduit between the container and the valve assembly. The liquid is circulated via a circuit formed by the container, the pump conduit, the valve assembly and the recirculation unit.
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Cited Art Landscape
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