Cryogenic cooling chamber apparatus and method
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United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Jun 14, 2000
filing date -
Mar 15, 2000
priority date (Note) -
Expired
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Abstract
A method and apparatus for using a cryogen cooling articles, particularly having applications for chilling extrusions, food, and similar articles, utilizing dispersion of liquid cryogen into a feed chamber wherein it is substantially vaporized and then circulated through a cooling chamber containing the article to be cooled. A circulation device can circulate the vaporized cryogen through the cooling chamber at a variably controllable velocity to enhance the cooling efficiency using the principle of forced air convection and to provide improved temperature control in the system.
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