Patent ID: 7371964
Filing Date: 2008-05-13
Classification: F21S,F21V,F21Y

Abstract:
1. A lighting and/or signalling device for a motor vehicle, comprising a housing comprising: a plurality of light emitting diodes mounted on a movable mounting plate and forming an orientable light source, at least one cooling device for cooling said plurality of light emitting diodes, wherein said at least one cooling device comprises: at least one first fixed heat sink, situated partially in the vicinity of a cold spot of the vehicle; at least one second movable heat sink mounted in the vicinity of the diodes; and at least one means for effecting a forced air convection between the at least one first fixed heat sink and the at least one second movable heat sink; at least a portion of said at least one first fixed heat sink being situated in a generally opposed and spaced relationship to said at least one second movable heat sink in order to cool said at least one second movable heat sink.