CO2 REFRIGERATION SYSTEM FOR ICE-PLAYING SURFACE
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Mar 22, 2012
filing date -
Mar 28, 2011
priority date (Note) -
Abandoned
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Abstract
A CO2 refrigeration system for an ice-playing surface comprises a transfer circuit, a CO2 refrigerant circuit and an independent condensation circuit. A transfer refrigerant circulates between a condensation heat exchanger and an evaporation heat exchanger. The CO2 circuit is in relation with the condensation heat exchanger to release heat from the CO2 refrigerant. The CO2 circuit comprises a CO2 condensation reservoir and an evaporation stage to receive the CO2 refrigerant from the condensation reservoir. The independent circuit is in relation with the refrigerant of the transfer circuit at the evaporation heat exchanger. The independent circuit comprises a magnetically operated compressor to compress a secondary refrigerant, a condensation stage and an evaporation stage in which the secondary refrigerant absorbs heat.
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