Luminaire assembly

F - Mech Eng,Light,Heat,Weapons – 21 – V

Patent

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Details

F21V 29/00 (2006.01) F21V 5/02 (2006.01) F21V 7/09 (2006.01) F21V 13/04 (2006.01) F21V 19/04 (2006.01) F21V 23/02 (2006.01) F21V 31/03 (2006.01)

Patent

CA 2143372

A luminaire assembly which is adapted for easy cleanability. The luminaire assembly includes a housing portion having a substantially smooth outer surface and which is further adapted to receive and enclose a ballast assembly. An optical assembly is further adapted to be affixed to the housing portion in a substantially sealed, water-tight relationship to define an internal chamber to receive and enclose a lamp. The optical assembly has an inner surface and an outer surface contiguous with the housing portion outer surface and has an opening defined therein. A removable door has an inner surface and an outer surface adapted to be affixed in a sealed relationship with the optical assembly opening when in a closed position. The door is further provided with a breathing aperture of a predetermined lateral dimension for permitting ambient air to enter and leave the internal chamber. The outer surfaces of the optical assembly and removable door have the characteristic of shutting water and accumulated contaminants without leaving residue thereon so as to provide easy cleanability. The optical assembly further incorporates specially designed inner and external optics necessary to compensate for the reduced uplight which is dictated by the three-dimensional design of the optical assembly.

Ensemble luminaire adapté pour être facile à nettoyer. Comprend un boîtier à surface externe essentiellement lisse, adapté pour renfermer un ensemble ballast. Un ensemble optique est en outre adapté pour être fixé au boîtier de manière essentiellement étanche afin d'y définir un compartiment destiné à renfermer une lampe. Cet ensemble optique comporte une surface interne et une surface externe contiguës à la surface du boîtier ainsi qu'une ouverture. Une porte amovible a une surface interne et une surface externe adaptées pour être fixées de manière étanche à l'ouverture de l'ensemble optique lorsqu'elle est fermée. En outre, la porte est munie d'une ouverture d'aération de dimension latérale prédéterminée qui permet à l'air ambiant d'entrer dans le compartiment et d'en sortir. Les surfaces externes de l'ensemble optique et la porte amovible empêchent l'entrée d'eau et de contaminants accumulés sans retenir de résidus, ce qui facilite le nettoyage. En outre, l'ensemble optique comprend des dispositifs optiques internes et externes de conception spéciale pour compenser la perte d'éclairage vers le haut due à la construction tridimensionnelle de l'ensemble optique.

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