Heat exchange – With agitating or stirring structure
Reexamination Certificate
2007-07-24
2010-12-07
Flanigan, Allen J (Department: 3744)
Heat exchange
With agitating or stirring structure
C165S133000
Reexamination Certificate
active
07845396
ABSTRACT:
A heat dissipation device with coarse surface capable of intensifying heat transfer includes a main body and a heat transfer intensifying unit. The main body provides a surface and the heat transfer intensifying unit is disposed on the surface. The heat transfer intensifying unit further includes at least a raised part and a plurality of fish-scale-like parts. The raised parts are disposed slightly upright from said surface and spacing apart a distance from each other. The fish-scale-like parts each are disposed on the surface of the main body next to the raised parts orderly, provide a recess toward the surface of the main body with an inclining angle from the surface of the main body, have a vertical edge and a sharp end and the sharp end is formed at an intersection of the vertical edge of the respective fish-scale-like part. The raised parts and the fish-scale-like parts allow fluid near the surface of the main body creating eddy flows, secondary flows and breaking boundary layers of the fluid for promoting rate of heat transfer.
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Asia Vital Components Co. Ltd.
Flanigan Allen J
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