Heat spreader system for cooling heat generating components

Details Heat spreader system for cooling heat generating components Heat spreader system for cooling heat generating components

1997-05-02

1999-08-24

Thompson, Gregory

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

62 64, 622592, 165 804, 174 151, 361695, H05K 720

Patent

active

059432110

ABSTRACT:
An isothermal equilibrium system takes point sources of heat generated by the operation of heat generating components and spreads the heat throughout the system where the heat may be dissipated. An atomizer for atomizing a liquid coolant, is positioned inside a sealed housing. The atomized liquid coolant is distributed as a thin film over the surface of the heat generating components and the wall of the sealed housing. Heat is transferred from the surface of the heat generating components by vaporization of at least a portion of the thin film of liquid coolant. The coolant vapor condenses on the housing and other cool surfaces and returns to the liquid state. The system heat is then removed from the outer surfaces of the housing using conventional heat transfer mechanisms including free or forced air convection and/or circulation of liquid coolant over the exterior of the housing. If additional cooling is desired, heat exchanger tubes may be included inside the sealed housing. An input liquid or gaseous coolant is circulated through the exchanger tubes. Heat is transferred to the coolant and then conducted away from the heat generating component housing.

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