Heat sinks

Details Heat sinks Heat sinks

2006-10-31

2006-10-31

Leo, Leonard R. (Department: 3753)

Heat exchange

Heat transmitter

C165S080300, C257S722000, C361S697000, C361S704000

Reexamination Certificate

active

07128140

ABSTRACT:
A heat sink (100) includes a cooling block (105) having a plurality of fins (110) extending through the block to provide a series of coolant channels (112) extending between the fins, the channels having in the interior of the block a venturi narrowing. Beneficially, the channels have coolant entry regions in at least two different regions (115, 120) of the block to direct a plurality of coolant flows into the interior of the block from different directions.Also described is a method of cooling a device such as a processor of a mobile computer used in a vehicle by placing the heat sink or more than one of the heat sinks adjacent to the device to be cooled, preferably with a region in which the venturi narrowing of the coolant channels is provided close to the hottest part of the device to be cooled.

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patent: WO 99/27761 (1999-06-01), None

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