System for reducing condensation in enclosed lamp housings

  • US 6,210,014 B1
  • Filed: 01/20/1998
  • Issued: 04/03/2001
  • Est. Priority Date: 01/21/1997
  • Status: Expired due to Term
First Claim
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1. A vent system for reducing condensation in enclosed vehicle front lamps, comprising:

  • an enclosed vehicle front lamp housing having an interior, an exterior surface, and at least one vent opening communicating between the atmosphere external to the lamp housing and the interior, with a total vent opening area of at least 132 mm2; and

    a condensation vent comprising at least one microporous, water vapor permeable material covering said at least one vent opening, whereby said condensation vent permits water vapor passage between the interior of the lamp housing and the atmosphere.

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