Patent ID: 9222677
Filing Date: 2015-12-29
Classification: F23D,F24C

Abstract:
1. Gas burner of the type comprising at least two flame spreaders and a lid, the at least two flame spreaders and the lid forming an annular dome, at least one diffusion chamber between said at least two flame spreaders for the diffusion of a primary air/gas mixture for at least one of said at least two flame spreaders, and at least one cross-lighting duct for the flame passage between said at least two flame spreaders, said at least one duct being disposed transversally inside said at least one diffusion chamber so that to define a first and a second region in said at least one diffusion chamber and comprising two side walls and one upper wall defining a passage for the fluidic direct connection between said first and said second region of said at least one diffusion chamber, said upper wall extending from the sidewalls across the duct and being placed at a distance from the dome of the diffusion chamber and being provided with at least one hole for the inflow of said primary air/gas mixture into said cross-lighting duct, wherein said at least one cross-lighting duct comprises at least one lower opening facing said upper wall, the at least one lower opening including at least one closing element, and the closing element comprises at least one sheet.