Beacon light deflector

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

Patent

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Details

F21V 1/02 (2006.01) B64F 1/20 (2006.01) F21V 1/12 (2006.01)

Patent

CA 2197271

A beacon light assembly shield for shield from ground level the light emitted by tower mounted beacon lights for aircraft, the assembly comprising a plurality of spaced concentric frustroconically shaped elements having a centrally located aperture, the element being interconnected, and each element being spaced from an adjacent element such that a distance between a first horizontal plane coincidental with an inner peripheral edge and a second horizontal plane coincidental with an outer peripheral edge is no greater than 75% of a distance between first horizontal planes of adjacent elements. The assembly effectively eliminates light pollution from ground level while permitting visual access for aircraft.

Cette invention concerne un déflecteur de lumière pour balises aéronautiques montées sur tour, le déflecteur ayant pour objet d'occulter le rayonnement lumineux au niveau du sol. L'objet de l'invention comprend une série de disques tronconiques espacés, reliés les uns aux autres et comportant chacun une ouverture centrée adaptée pour recevoir la source lumineuse. Les disques sont assemblés de façon que la distance mesurée entre un premier plan horizontal correspondant à la rive intérieure du disque et le plan horizontal correspondant à sa rive extérieure ne dépasse pas 75 % de la distance séparant lesdits premiers plans horizontaux de deux disques adjacents. L'objet de l'invention élimine de façon efficace le rayonnement lumineux parasite au niveau du sol sans réduire la visibilité des balises à partir du ciel.

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