Two burner bake, broil and steam gas oven

Abstract

This invention is an indirect fired gas burning device having typically two gas burner assemblies, a radiant heat assembly and a convection heat assembly. The combustion products of both burner assemblies are kept separate from the convection air which is circulated through the oven. The device is adapted to be mounted within or attached to a gas stove, having an oven therein and which provides an improved gas stove which can perform the functions of: (1) bake (with controllable cooking air flow rates); (b) broil using a radiant heat assembly such as a screen broiler 'looking' through or transparent to the radiant heat generated by the broiler such as an infrared window (also a new low profile screen burner assembly is disclosed); (c) steam which is possible because of the very low vent rate of the oven, i.e., the oven is substantially sealed; (d) programmable cooking regimens which may use the bake, broil, steam or combinations thereof (the combi mode) in any desired sequence; and (e) pyrolytical self-cleaning due to the high efficiency of the heat exchange and the convection burner assembly. The hot combustion gases generated by the convection heat assembly are in thermal communication with the convection or cooking air through a special heat exchange which efficiently transfers heat from the hot combustion gases to the convection or cooking air while maintaining the integrity of the combustion assembly.