Patent ID: 6164806
Filing Date: 2000-12-26
Classification: F21S

Abstract:
A lighting device for vehicles, having a sealed interior (10) in which at least one reflector (12) and at least one light source (14) are disposed and which communicates with the environment via at least one vent opening (30), characterized in that said at least one vent opening (30) is covered by a mat-like, air permeable and water-repellant insert (36) and is disposed in an upper region of the lighting device in an installed position of the lighting device in the vehicle, wherein at least one further vent opening (32) is formed in the lighting device which, in the installed position of the lighting device in the vehicle is disposed in a lower region of the lighting device, and wherein the cross-section of said at least one vent opening (30) disposed in the upper region is larger than the cross-section of said at least one further vent opening (32) disposed in the lower region so that when the vehicle is in motion airflows into said interior through said at least one vent opening (30) and exits said interior through said at least one further vent opening (32) thus reducing air flow speed of an inflowing air and substantially reducing amounts of dirt and water penetrating said interior through said insert.