US Patent 10012392 Oven appliance

An oven appliance includes a baking stone positioned within a housing at a bottom portion of a cooking chamber. An inlet of an air duct is positioned at a front portion of the housing, and an outlet of the air duct is positioned at a rear portion of the housing and is contiguous with ambient air about the housing. An air handler is configured for urging the ambient air about the housing through the air duct.