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Headlamp assembly with integrated housing and heat sink

  • US 7,427,152 B2
  • Filed: 12/05/2005
  • Issued: 09/23/2008
  • Est. Priority Date: 12/05/2005
  • Status: Expired due to Fees
First Claim
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1. A headlamp assembly for a motor vehicle comprising:

  • a lens;

    a housing, the housing and the lens defining an outer wall having interior surfaces cooperating to at least partially define an inner chamber that is generally fluidly isolated from the atmosphere;

    portions of the housing extending from the interior surface into the inner chamber to define a base, a light source being mounted onto the base;

    the outer wall of the housing having an exterior surface and including portions extending therefrom to define a plurality of fins exposed to ambient air;

    an enclosed flow channel defined in part by the exterior surface of the outer wall of the housing, the flow channel having an inlet and an outlet, wherein the fins extend into the flow channel such that heat from within the inner chamber is conducted through the base portion of the housing to the fins of the housing to air within the flow channel; and

    a reflector positioned within the inner chamber of the housing and adapted to reflect light from the light source through the lens.

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