Patent ID: 6015101
Filing Date: 2000-01-18
Classification: F23D

Abstract:
A gas burner system for use in a heating apparatus along a heating region, said system comprising an outer tube extending along said region, said outer tube having first and second end portions, a central portion between said end portions, a continuous aperture slot extending along said outer tube providing an outlet for burning gas, a plurality of barriers within said outer tube separating said outer tube into a plurality of separate compartments communicating respectively with separate lengths of the said slot, said plurality of barriers mounted within the outer tube on an elongate supporting member so as to be positionally adjustable longitudinally of the outer tube and feed conduits providing a connection between said compartments and a source of combustible gas wherein the said slot lengths comprise two edge region slot lengths respectively at the said end portions of the outer tube, and one or more central region slot lengths in the said central portion of the outer tube, each said edge region slot length being a minor proportion of the length of the said central portion of the outer tube, and wherein at least one of the said barriers is moveable longitudinally of the outer tube so as to be positionally adjustable thereby to shorten or lengthen the compartments separated thereby and hence to shorten or lengthen the slot lengths in communication with said compartments.