Mechanical subcooling of transcritical R-744 refrigeration systems with heat pump heat reclaim and floating head pressure
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United States of America Patent
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Aug 18, 2015
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Feb 27, 2014
app pub date -
Feb 22, 2013
filing date -
Feb 23, 2012
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Abstract
A transcritical R-744 refrigeration system with an energy efficiency ratio of a level comparable to that of refrigeration systems using common refrigerants by mechanically subcooling of the R-744 refrigerant. Mechanical subcooling increases the refrigeration capacity without increasing the power consumption of the refrigeration system's compressors. The compressors used to provide the refrigeration capacity for the subcooling process operate at much more favorable conditions, therefore have a very high energy efficiency ratio. The result is higher refrigeration capacity and lower power consumption.
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