US Patent 7423241 Heating element for oven

The oven includes an oven chamber and a heating element. The oven chamber includes a cavity defined by a door and a plurality of walls which include a first wall, and a heating element assembly located adjacent the first wall and configured to provide heat energy to the cavity. The heating element assembly includes a heating element and a shield located between the heating element and the first wall of the oven chamber. The heating element transfers heat energy to the shield and the surrounding air, which transfers the heat energy to the first wall.