Patent ID: 7736041
Filing Date: 2010-06-15
Classification: F21S,F21V,F21Y

Abstract:
1. A lighting and/or signalling device for a motor vehicle comprising: an outer wall delimiting the interior and exterior of a closed chamber, a casing; a closing glass closing said casing, so that said casing and said closing glass form at least partly said outer wall of said closed chamber; at least one light source inside said closed chamber; and at least one heat exchange zone for transferring heat from inside said closed chamber to outside said closed chamber, said outer wall including said at least one heat exchange zone; said at least one heat exchange zone being able to be in contact with a fluid capable of circulating in a region of said at least one heat exchange zone, so that said fluid enables heat emitted in said region of said at least one heat exchange zone to be evacuated; said casing further comprising an insulating wall continuous with said at least one heat exchange zone.