Liquid pressure amplification (LPA), has been developed to provide an elevated pressure of refrigerant liquid relative to the condensing pressure within a refrigeration system after the condensing and sub-cooling process, for improved system performance. Creating an increase in pressure of refrigerant in the sub-cooled liquid state increases refrigeration capacity and system efficiency. The elevation of pressure is achieved by installing a hermetically sealed liquid refrigerant pump between the condensing and evaporating phases of the refrigeration cycle.
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