SUB-COOLING UNIT FOR COOLING SYSTEM AND METHOD
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Accused Products
Abstract
A system for cooling a medium includes a line having coolant flowing therein, and a sub-cooling unit in fluid communication with the line. The sub-cooling unit receives a portion of the coolant diverted from the line to cool coolant flowing in the line. A method of cooling a medium is further disclosed.
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Citations
51 Claims
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1-31. -31. (canceled)
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32. A cooling system comprising:
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a condensing unit having an inlet and an outlet; a coolant pump having an inlet, the coolant pump being configured to pump liquid coolant; a coolant line in fluid communication with the outlet of the condensing unit and the inlet of the coolant pump; a diverting valve located in the coolant line; and a sub-cooling unit configured to receive a portion of coolant from the coolant line through the diverting valve, the sub-cooling unit comprising; a sub-cooling expansion valve having an inlet in fluid communication with the diverting valve and an outlet; a sub-cooling heat exchanger having an inlet in fluid communication with the outlet of the sub-cooling expansion valve and an outlet, the sub-cooling heat exchanger being configured to transfer heat from coolant in the coolant line; and a sub-cooling pump having an inlet in fluid communication with the outlet of the sub-cooling heat exchanger and having an outlet in fluid communication with the inlet of the condensing unit. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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39. A method of cooling a space comprising:
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cooling a coolant in a condensing unit having an inlet and an outlet; directing the cooled coolant through a coolant line adapted to provide fluid communication between the outlet of the condensing unit and an inlet of a coolant pump configured to pump liquid coolant; directing a portion of the coolant directed through the coolant line through a diverting valve configured to direct the portion of coolant to a sub-cooling unit, the sub-cooling unit comprising; a sub-cooling expansion valve having an inlet in fluid communication with the diverting valve; a sub-cooling heat exchanger having an inlet in fluid communication with an outlet of the sub-cooling expansion valve and adapted to transfer heat from coolant in the coolant line to the portion of coolant directed to the sub-cooling unit; and a sub-cooling pump having an inlet in fluid communication with an outlet of the sub-cooling heat exchanger and having an outlet in fluid communication with the inlet of the condensing unit. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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Specification