Patent ID: 8246344
Filing Date: 2012-08-21
Classification: F23D

Abstract:
1. An L-shaped burner tube for use in a gas lamp, said burner tube comprising a long and short arm, said long arm comprises: (a) an inlet section having an opening where gas enters the burner tube, (b) a first taper section adjoining said inlet section, said first tapered section having an opening that narrows to a first narrowest point of about 0.375 to 0.625 inches in diameter at an angle of taper of about 1 to about 4 degrees, (c) a second tapered section adjoining said first tapered section, said second tapered section having an opening that expands from said first narrowest point to a turning point at an angle of taper of about 1 to about 4 degrees; and said short arm comprises: (a) a third tapered section having a wide opening at said turning point that narrows toward the burner tube outlet to a second narrowest point, and (b) an outlet section adjoining the third taper section, said outlet section having an opening that widens towards the terminus of the burner tube at an outlet angle of about 20 to 40 degrees.