US Patent 9993110 Heating appliance

A heating appliance generally includes a housing defining a food product compartment, and a rack configured to support a food product within the food product compartment. The heating appliance further includes a heating assembly disposed within the food product compartment. The heating assembly includes a heating element having a length, wherein the heating element is configured to have a temperature increase along the length during heating. The heating assembly further includes a heat distribution member disposed between the heating element and the rack, wherein the heat distribution member includes a pattern of apertures that tapers in accordance with the temperature increase of the heating element.