Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steve Frayne, Jr.0
Ioan Sauciuc0
Javier Leija0
Date of Patent
April 6, 2010
0Patent Application Number
117721440
Date Filed
June 30, 2007
0Patent Primary Examiner
Patent abstract
A heatsink comprises a base (110, 210, 310), a fin (120, 220, 320) attached to the base, and a piezoelectric patch (130, 230, 330) attached to the fin. The piezoelectric patch causes the fin to oscillate, thus generating air circulation near the fin surface. This airflow disturbs the boundary layer near the fin and dramatically increases the heat transfer from the fin to air compared to a non-oscillating fin, even for the same bulk flow rate.
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