Porous media heat sink apparatus
First Claim
1. A heat sink apparatus, comprising:
- (a) a thermally conducting base;
(b) a plurality of thermally conducting fins joined to said base and extending outward from said base; and
(c) a plurality of thermally conducting porous media elements positioned between corresponding ones of said plurality of fins.
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Abstract
A porous media heat sink usable as a small heat exchange device to air-cool a high power dissipation rate object in a low-noise environment. The heat sink comprises a thermally conductive base, a plurality of thermally conducting fins coupled to the base and oriented substantially normal or perpendicular to the base, and a plurality of thermally conductive porous media elements interleaved between the fins in a serpentine or sinusoidal configuration and arranged with respect to the heat sink base such that the longitudinal axis of the sinusoidal configuration is substantially normal to the base and substantially parallel to the fins. The base of the heat sink is thermally coupled to the component generating heat, typically a microprocessor package, to facilitate heat dissipation.
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Citations
24 Claims
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1. A heat sink apparatus, comprising:
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(a) a thermally conducting base;
(b) a plurality of thermally conducting fins joined to said base and extending outward from said base; and
(c) a plurality of thermally conducting porous media elements positioned between corresponding ones of said plurality of fins. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A heat sink apparatus, comprising:
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(a) a thermally conducting base;
(b) a plurality of thermally conducting fins coupled to said base and extending outward therefrom; and
(c) a plurality of thermally conducting porous media elements interleaved between said plurality of fins, each said porous media element comprising an elongated strip arranged in a sigmoidal configuration. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24)
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18. A heat sink apparatus, comprising:
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(a) a thermally conducting base;
(b) a plurality of thermally conducting fins coupled to said base, said plurality of fins oriented substantially parallel to each, said plurality of fins defining a corresponding plurality of slots between adjacent said fins, said slots being substantially parallel to each other; and
(c) a plurality of thermally conducting porous media elements, each said porous medial element positioned in a corresponding one of said slots each said porous media element comprising an elongated strip of porous material arranged in a sinusoidal configuration such that said elongated strip includes a plurality of folds separated from each other by a plurality of interstices.
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Specification