US Patent 10881246 Gas air fryer

An outdoor cooking appliance in combination with an air frying apparatus that has a frying burner, a blower, a heat exchanger, and a cooking chamber. The frying burner is adapted to combust fuel to create heat and other products of combustion. The blower is adapted to circulate a cooking airstream. The heat exchanger is adapted to allow passage of the heat from the combusted fuel while preventing passage of the other products of combustion into the cooking air stream. The blower is further adapted to supply the heated cooking airstream through the heat exchanger to the cooking chamber to cook foodstuff disposed therein while the other products of combustion are not supplied to the cooking chamber.