LED lamp assembly having heat pipes and finned heat sinks

Details LED lamp assembly having heat pipes and finned heat sinks LED lamp assembly having heat pipes and finned heat sinks

2008-06-05

2010-12-28

Sember, Thomas M (Department: 2885)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S249020, C362S218000, C362S373000

Reexamination Certificate

active

07857486

ABSTRACT:
An LED lamp assembly includes a first heat sink, a plurality of second heat sinks secured to a periphery of the first heat sink, a plurality of LED modules respectively attached to the second heat sinks and a plurality of heat pipes interconnecting the first heat sink and the second heat sinks. The first heat sink comprises a heat conducting body defining a through hole therein and a plurality of first fins around the heat conducting body. The second heat sinks each comprise a plurality of second fins facing the first fins of the first heat sink. The heat pipes each comprise an evaporating section attached to a corresponding second heat sink and a condensing section extending into the through hole of the heat conducting body of the first heat sink and attached to the heat conducting body.

REFERENCES:
patent: 6517221 (2003-02-01), Xie
patent: 6831303 (2004-12-01), Dry
patent: 2006/0245162 (2006-11-01), Lee et al.
patent: 2008/0007954 (2008-01-01), Li
patent: 2008/0007955 (2008-01-01), Li
patent: 2009/0040759 (2009-02-01), Zhang et al.
patent: 2009/0095448 (2009-04-01), Lai et al.
patent: 1825648 (2006-08-01), None
patent: 2934915 (2007-08-01), None
patent: 2934916 (2007-08-01), None

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