Apparatus for cooling a heat transfer fluid
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United States of America Patent
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Oct 20, 1992
Issued Date -
N/A
app pub date -
Nov 20, 1991
filing date -
Oct 25, 1990
priority date (Note) -
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Abstract
Refrigeration apparatus for cooling or freezing products such as protein materials includes a drum through which heat transfer fluid is circulated. A belt is wrapped around part of the drum surface and the product to be refrigerated is applied to the drum surface, being pressed thereagainst by the belt. Either liquid or triple point carbon dioxide is circulated through the drum to cool the product in contact therewith. Other heat transfer fluids such as D-Limonene or DOWTHERM may also be circulated through the drum. A tank and related apparatus for cooling the heat transfer fluid is also disclosed.
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