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Heat sink-type cooling device

  • US 6,648,062 B2
  • Filed: 07/30/2001
  • Issued: 11/18/2003
  • Est. Priority Date: 07/31/2000
  • Status: Expired due to Fees
First Claim
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1. A heat sink-type cooling device comprising:

  • a heat sink which is provided with a passage through which coolant flows, and a plurality of discrete fin groups being relocatable within the passage, each fin group being comprised of a plurality of fins that are disposed in parallel with a direction of the flow, wherein the heat sink removes heat from a heat source which contacts with a surface of the heat sink, and the fin groups are arranged discretely in the direction of the flow to obtain increased performance by relocating the fin groups, and a fin of a fin group and another fin of another fin group adjoining to the fin group in the direction of the flow are arranged at an offset distance in the thickness direction of the fins, and adjoining fin groups contact with each other in the direction of the flow.

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