Heat sink with guiding fins

Details Heat sink with guiding fins Heat sink with guiding fins

2005-05-31

2005-05-31

McKinnon, Terrell (Department: 3743)

Heat exchange

With retainer for removable article

Electrical component

C361S697000, C361S704000, C174S016300, C257S706000, C257S722000

Reexamination Certificate

active

06899164

ABSTRACT:
The present invention is a heat sink with guiding fins comprising a base with a plate part, wherein each side of a pair of two opposite sides of the plate part comprises a declining part; and two groups of fins expanded upwardly from each said declining part, wherein a channel whose top width is wider than its bottom width is form by the tow groups of fins and the base and there is a gap properly set between each two fins. By doing so, the heat sink can guide the flow generated by a fan to form a streamline with pressure and so obtains smaller wind resistance and better heat dissipation for the heat sink.

REFERENCES:
patent: 3566959 (1971-03-01), Koltuniak et al.
patent: 4715438 (1987-12-01), Gabuzda et al.
patent: 4823869 (1989-04-01), Arnold et al.
patent: 5844313 (1998-12-01), Hoffmann
patent: 6196300 (2001-03-01), Checchetti
patent: 6505680 (2003-01-01), Hegde
patent: 6598667 (2003-07-01), Kuo
patent: 6665933 (2003-12-01), Tsai
patent: 2004/0045701 (2004-03-01), Chen et al.

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