David C Higman

US Patent:

20110267810, Nov 3, 2011

Filed:

Apr 30, 2010

Appl. No.:

12/771264

Inventors:

David C. Higman - Philadelphia PA, US
Rajul Desai - Burlington NJ, US

Assignee:

A.L.P. LIGHTING & CEILING PRODUCTS, INC. - Niles IL

International Classification:

F21V 29/00

US Classification:

362218, 36221708

Abstract:

An indoor enclosed fluorescent lighting fixture and luminaire implements enhanced heat dissipation. A lighting fixture includes an upper heat sink housing defining a cavity receiving at least one electrical ballast, and an upwardly open lower lens member receiving a fluorescent light source. The upper heat sink housing has a predefined heat transfer profile including generally flat elongated base wall portions for heat transfer mating engagement with a reflector positioned above the fluorescent light source and a vertically spaced apart, generally centrally located upper wall portion for heat transfer engagement with an electrical ballast.