Utilization of harvest and/or melt water from an ice machine for a refrigerant subcool/precool system and method therefor

  • US 6,898,947 B2
  • Filed: 02/18/2003
  • Issued: 05/31/2005
  • Est. Priority Date: 10/08/1998
  • Status: Expired due to Fees
First Claim
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1. A heat exchange refrigerant subcool system that utilizes stored discharge water from an ice machine that is then pumped through a heat exchanger for subcooling a refrigerant that has already passed through the condenser of said ice machine, comprising in combination:

  • a subcooler connected in fluid communication with the output of the condenser, enabling the refrigerant to flow in a first direction through said subcooler after first flowing through the condenser; and

    said subcooler connected in fluid communication with the output of a pump that pumps stored ice machine discharge water to directly flow through said subcooler from a bottom portion to a top portion in a second direction opposite to said first direction and then to discharge, said pump controllably pumps said discharge water through said subcooler for maximum subcooling effect;

    whereby said subcooler utilizes the pumped and flowing cold discharge water from an ice machine for providing maximum available subcooling to the liquid refrigerant of said ice machine.

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