Heat exchange – With retainer for removable article – Electrical component
Patent
1998-06-03
2000-02-08
Lazarus, Ira S.
Heat exchange
With retainer for removable article
Electrical component
16510433, 165 804, 257714, 317234R, F28F 700
Patent
active
060218444
ABSTRACT:
An apparatus to transfer heat from a heat source to a heat absorber, the apparatus consisting of a thermally conductive rotor, a thermal transfer fluid, and a composite substrate with an internal cavity containing the thermally conductive rotor and the thermal transfer fluid. The surface of the composite substrate receives the heat source and the heat absorber. An external means impels the rotor to rotate within the internal cavity. Heat from the heat source is conducted through the surface of the composite substrate and through the thermal transfer fluid into the rotor. Heat is conducted from the rotating rotor through the thermal transfer fluid and through the surface of the composite substrate to the heat absorber. In the most preferred embodiment the thermal transfer fluid is a low melt metallic alloy, the rotor is a copper disk, and the rotor is motivated to rotate in the internal cavity of the composite substrate due to eddy currents generated by an external moving magnetic fields.
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A.Bar-Cohen, "Low-Cost Thermal Management of High Power Electronic Components", Semi-Therm XIV, San Diego, CA, Mar. 8-9, 1998.
Lazarus Ira S.
McKinnon Terrell
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