Patent ID: 8382353

Claim:
A headlamp assembly for a motor vehicle comprising: a housing case having a ceiling wall and a bottom wall, a front part of the housing case being open; a lens cover fitted to the front part of the housing case, and the lens cover and the housing case forming a light chamber having a closed space; a light source, placed in the light chamber, for emitting light; a projection lens, placed in the light chamber, for projecting the light emitted from the light source toward a front side of the headlamp assembly; a radiating member placed in the light chamber, comprised of a plurality of radiating fins for radiating heat energy generated by the light source; and a heat exchange chamber formed in the ceiling wall of the housing case above the radiating member arranged in the light chamber, the heat exchange chamber being open toward the bottom wall of the light chamber in order to communicate with expanded air rising from the plurality of radiating fins to enter the heat exchange chamber and to execute heat exchange between the expanded air rising from the light chamber and external air through the ceiling wall in the heat exchange chamber.