Patent ID: 6379025
Filing Date: 2002-04-30
Classification: F21S,F21V,F21W,H05B

Abstract:
An underwater lighting fixture adapted for installation in a lamp receiving recess in the wall of a swimming pool, said lighting fixture comprising:a lamp housing having an interior cavity, an open mouth defined by a rim and having a rear opening; a plate mounted within said housing and being transverse to a longitudinal axis of said housing, said plate defining first and second openings; first and second incandescent lamps having first and second reflectors, respectively positioned at said first and second openings on a first side of said plate so that said reflectors are directed toward said open mouth; a color wheel within said housing and mounted for rotation about said longitudinal axis, said color wheel having a plurality of dichroic radial filter segments, a driver mechanism for rotating said wheel, said color wheel sequentially positioning successive filter segments to each opening of said plate upon rotation of said wheel; a transparent cover sealing the open mouth of said housing; a grommet between said cover and said rim to provide a fluid-tight seal to said cavity; an electrical supply conduit extending through said rear opening and into said interior cavity; and means providing a fluid seal between said supply conduit and said rear opening; and a power transformer integral to the lighting fixture; wherein there are a plurality of pairs of diametrically opposed said filter segments, wherein each of said pairs is differently colored with respect to each other pair, wherein adjacently positioned pairs are green and blue, and blue and magenta, respectively, and wherein a segment space is provided between the green and magenta segments to provide a diametrically opposed uncolored segment.