Heat exchange – With impeller or conveyor moving exchange material – Mechanical gas pump
Patent
1984-01-23
1986-12-16
Davis, Jr., Albert W.
Heat exchange
With impeller or conveyor moving exchange material
Mechanical gas pump
165 803, 165128, 361384, F28F 1306
Patent
active
046289925
ABSTRACT:
In order to cool heat generating components on an electronic assembly without contamination by particles carried in a cooling gas stream, a cold plate is disposed adjacent the assembly, defining a gap region therebetween. The cooling gas is directed in proximity to the cold plate, dissipating heat transferred from the components to the plate. To enhance overall heat dissipation of the apparatus, an aperture is defined between the gap region and the gas stream, so that a negative pressure is induced in the gap by virtue of the Bernoulli principle. This pressure difference induces convection within the gap, increasing heat flow between the components and the plate, and resulting in overall improvement in heat dissipation. Embodiments in which the gas stream flow is parallel and transverse to the cold plate are described.
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patent: 4417295 (1983-11-01), Stuckert
"Cold Plate with Metal Base and Molded Plastic Shell for Circuit Module", IBM Technical Disclosure Bulletin, vol. 24, No. 8, Jan. 1982, by K. P. Moran and D. D. Stenabaugh.
AT&T Information Systems
Davis Jr. Albert W.
Freedman Barry H.
Luludis Frederick B.
Smith Randolph A.
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