Lighting projectors with an intensified and accelerated air flow cooling system for photographic and motion picture studios

摘要

The object of the invention is a lighting projector with an intensified and accelerated air flow for photographic and motion picture studios, said lighting projector comprising an upper part that houses the bulb as well as a lower part in the form of a case that house the electric assembly for supplying electric power to said bulb, wherein said case has some series of slots in its walls for air inlet, whereas the upper part has a grate cover for venting air; and wherein said case has a Venturi tube diffuser device at a position approximately corresponding to the base of said bulb, said diffuser device consisting of a convergent section and of a divergent section, which are separated by a throat section; and wherein the diffuser has a series of finned slots in its convergent section.