Headlamp assembly with isolated optics chamber

Details Headlamp assembly with isolated optics chamber Headlamp assembly with isolated optics chamber

2007-03-29

2010-10-05

O'Shea, Sandra L (Department: 2875)

Illumination

Supported by vehicle structure

Projection-type headlamp

C362S294000, C362S373000, C362S475000, C362S547000, C362S545000

Reexamination Certificate

active

07806572

ABSTRACT:
A headlamp assembly which employs semiconductor light sources includes an optics chamber that is isolated from the surrounding environment to prevent the ingress of water, dirt, or other foreign materials into the optics chamber. At the same time, the headlamp assembly includes a plenum chamber, separated from the optics chamber, and airflow through the plenum chamber provides the necessary cooling for the semiconductor light sources.

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patent: 2006/0215416 (2006-09-01), Lucas et al.
patent: 2007/0091632 (2007-04-01), Glovatsky et al.

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