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Method and apparatus for cooling with coolant at a subambient pressure

  • US 20060118292A1
  • Filed: 01/24/2006
  • Published: 06/08/2006
  • Est. Priority Date: 07/11/2002
  • Status: Active Grant
First Claim
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1. An apparatus, comprising heat-generating structure disposed in an environment having an ambient pressure, and a cooling system for removing heat from said heat-generating structure, said cooling system including:

  • a fluid coolant;

    structure which reduces a pressure of said coolant to a subambient pressure at which said coolant has a boiling temperature less than a temperature of said heat-generating structure; and

    structure which directs a flow of said coolant in the form of a liquid at said subambient pressure in a manner causing said liquid coolant to be brought into thermal communication with said heat-generating structure, the heat from said heat-generating structure causing said liquid coolant to boil and vaporize, so that said coolant absorbs heat from said heat-generating structure as said coolant changes state.

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