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System and method for separating components of a fluid coolant for cooling a structure

  • US 8,651,172 B2
  • Filed: 03/22/2007
  • Issued: 02/18/2014
  • Est. Priority Date: 03/22/2007
  • Status: Active Grant
First Claim
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1. A cooling system for a heat-generating structure disposed in an environment having an ambient pressure, the cooling system comprising:

  • a heating device configured to heat fluid coolant comprising a mixture of water and antifreeze and vaporize a portion of the water into vapor while leaving an unvaporized portion of the antifreeze as liquid in the fluid coolant;

    a cooling loop configured to direct the fluid coolant to and from the heating device;

    a reservoir connected to the cooling loop, the reservoir configured to receive at least some of the unvaporized portion of the antifreeze as liquid from the cooling loop;

    a structure configured to reduce a pressure of the fluid coolant to a subambient pressure at which the fluid coolant has a boiling temperature less than a temperature of the heat-generating structure; and

    a heat exchanger in thermal communication with the heat-generating structure, the heat exchanger having an inlet port and an outlet port, the inlet port configured to receive fluid coolant in the form of a liquid, and the outlet port configured to dispense of fluid coolant out of the heat exchanger in the form of a vapor, wherein heat from the heat-generating structure causes the fluid coolant in the form of a liquid to boil and vaporize in the heat exchanger so that the fluid coolant absorbs heat from the heat-generating structure as the fluid coolant changes state.

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