Patent ID: 6045749
Filing Date: 2000-04-04
Classification: B22F,F27B,F27D

Abstract:
A device for introducing a de-lubricating atmosphere into a furnace comprising in combination;a conduit having a first end and a second end, said conduit adapted to extend across the width of said furnace in one of said furnace or a portion of said furnace where articles to be de-lubricated are heated to a temperature between about 400.degree. F. and about 1500.degree. F.;said conduit containing a plurality of apertures to direct said atmosphere introduced into a first end of said conduit at said articles said apertures adapted to introduce said atmosphere in a turbulent flow regime said conduit constructed to have a diffuser design criteria of about 1.5, said diffuser design criteria (DDC) determined according to the equation: ##EQU5## D is the diameter of, or equivalent diameter if it is not circular in cross-section, of said conduit, d is the diameter of the apertures and N is the total number of apertures.