nozzles
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United States of America Patent
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Aug 12, 2014
Grant Date -
Sep 19, 2013
app pub date -
May 3, 2013
filing date -
Sep 10, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A nozzle for providing carbon dioxide for cleaning is disclosed. The nozzle includes a reservoir for receiving liquid carbon dioxide, a barrel defining a passageway therethrough, the passageway extending to an outlet of the barrel, an orifice effecting fluid communication between the reservoir and the passageway, and a screen member constructed and arranged for interrupting flow of the carbon dioxide pellets greater than a select size from being emitted from the passageway of the barrel. Liquid carbon dioxide flows through the orifice to phase transfer into gaseous carbon dioxide and carbon dioxide pellets in the passageway. An internal diameter of the passageway is smaller than an internal diameter of the reservoir.
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