Heat pipe with guided internal grooves and heat dissipation...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

Reexamination Certificate

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Details

C361S701000, C165S080400, C165S080500, C165S121000, C165S126000

Reexamination Certificate

active

07443675

ABSTRACT:
A heat pipe includes a heat receiving section, a heat transfer section, and a heat dissipation section. A groove structure is formed inside the heat pipe and extends from the heat receiving section to the heat dissipation section. The groove structure includes at least an axially-extending parallel portion and a non-axially-extending parallel portion. The axially-extending parallel portion includes a plurality of internal groove segments extending parallel in an axial direction of the heat pipe and the non-axially-extending parallel portion includes a plurality of groove segments extending from the axially-extending parallel groove segments in a parallel manner in a direction different from the axial direction.

REFERENCES:
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patent: 4116266 (1978-09-01), Sawata et al.
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patent: 4541261 (1985-09-01), Yanadori et al.
patent: 5309986 (1994-05-01), Itoh
patent: 6056044 (2000-05-01), Benson et al.
patent: 6508302 (2003-01-01), Ishida et al.
patent: 6827134 (2004-12-01), Rightley et al.
patent: 6942016 (2005-09-01), Kobayashi et al.
patent: 7258160 (2007-08-01), Hashimoto
patent: 2005/0252640 (2005-11-01), Chang
patent: 2007/0056714 (2007-03-01), Wong
patent: 05087475 (1993-04-01), None

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