Patent ID: 6511209
Filing Date: 2003-01-28
Classification: F21V

Abstract:
A lighting fixture comprising:a light bulb; a socket into which said light bulb is mounted; a first heat sink surrounding said socket, said first heat sink being located directly adjacent said socket; a second heat sink surrounding said first heat sink, said second heat sink being mounted on said first heat sink, some of the heat from said first heat sink to be conducted into said second heat sink; a ring-shaped shell surrounding said second heat sink, said ring-shaped shell having a plurality of openings; a forward housing shell mounted on said ring-shaped shell, said forward housing shell surrounding said light bulb in a spaced relationship forming an annular chamber; and a rear housing shell mounted adjacent said ring-shaped shell and located opposite said forward housing shell, said rear housing shell having a base which is adapted to electrically connect with a light socket, said rear housing shell having a series of louvers, whereby heat that is generated by said light bulb is dissipated in the ambient by air flowing through said forward housing shell past said first heat sink and said second heat sink into ambient through said openings and said louvers.