US Patent 10190783 Convection cooking appliance with circular air flow system

A circular air flow pattern is created in a small oven cavity having a convection system including a convection cover which is mounted to and defines a duct in combination with a rear wall of the oven cavity. The convection cover includes an intake at one end portion arranged adjacent a first side wall of the oven cavity and a plurality of exhaust openings formed in another end portion arranged adjacent a second side wall of the oven cavity, with the convection cover progressively tapering through multiple sections. The rear wall can include an elongated recess over which the convection cover extends in forming the duct.