FROST REDUCTION BY AIR CURTAIN
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United States of America Patent
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Issued Date -
May 13, 2010
app pub date -
Sep 30, 2009
filing date -
Nov 10, 2008
priority date (Note) -
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Abstract
An ultra-low temperature freezer, including a cabinet with a freezer compartment maintained within a certain temperature range, a door providing a seal with the cabinet when engaged with the cabinet, a catch basin at the bottom of the cabinet for collecting air, and a distribution channel fluidly connected to the catch basin, for recirculating the air collected from the catch basin to the top of the cabinet, the distribution channel at the top of the cabinet pushing compressed air across the front of the cabinet and forming an air curtain and thermal barrier to incoming warmer air.
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