Flame switching - a method and device therefore and improved gas oven using the same

Abstract From the Canadian patent

This invention is directed to a method of and apparatus or device for flame switching in order to associate a flame and the energy of the flame with different and distinct energy using systems. The flame switchable gas burning device, when adapted to be mounted or attached within the oven cavity of a gas stove, provides an improved gas stove which can, within the one oven cavity, operate in the broil bake and, self-clean mode without the need for multiple burners or multiple oven cavities and without the need for manually operated baffles or dampers. The flame is caused to be established in a first direction (typically in the broil mode), to being established in a second direction …