Oven appliance combustion chamber

An oven appliance defining a vertical direction, a lateral direction and a transverse direction, the vertical, lateral and transverse directions being mutually perpendicular, the oven appliance comprising:

• a cabinet extending between a front portion and a back portion along the transverse direction, the cabinet also extending between a first side portion and a second side portion along the lateral direction and between a top portion and a bottom portion along the vertical direction, the cabinet defining a cooking chamber configured for receipt of food items for cooking;
• a door rotatably mounted to the cabinet, whereby the door is rotatable between an open position to access the cooking chamber and a closed position where the door encloses the cooking chamber;
• a tubular combustion chamber extending from an inlet to an outlet, the outlet of the tubular combustion chamber in thermal communication with the cooking chamber to provide combustion gas from the tubular combustion chamber to the cooking chamber;
• a burner positioned proximate the inlet of the tubular combustion chamber and in thermal communication with the tubular combustion chamber whereby combustion products from the burner enter the tubular combustion chamber at the inlet, wherein the burner is spaced from the inlet of the tubular combustion chamber whereby secondary air is entrained into the inlet of the tubular combustion chamber and drawn through the tubular combustion chamber by the combustion products from the burner;
• and
• a housing positioned within the cooking chamber, the housing comprising a back wall and a front wall opposite the back wall of the housing along the transverse direction, the front wall of the housing spaced apart from the door along the transverse direction, the back wall of the housing in contact with a back wall of the cooking chamber, the burner entirely enclosed by and between the back wall of the housing and the front wall of the housing and above a bottom wall of the housing, and the tubular combustion chamber at least partially enclosed within the housing by the front wall of the housing and the back wall of the housing.