Liquid carbon dioxide cleaning system and method
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United States of America Patent
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Oct 10, 2000
Grant Date -
N/A
app pub date -
Jan 12, 1998
filing date -
Jan 12, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention discloses an apparatus and method for mixing liquid carbon dioxide with an additive or surfactant and then forcibly dispersing the mixture into a cleaning chamber full of liquid carbon dioxide. Valving controls the process of admitting a liquid additive into a two liter reservoir and then admitting liquid carbon dioxide into the two liter reservoir under pressure thus filling the reservoir. The mixture is then admitted to the cleaning chamber under pressure. A nozzle, a plurality of nozzles, or a pipe having apertures therein is used to disperse the mixture inside the cleaning chamber.
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