H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 6/64 (2006.01) F24C 7/02 (2006.01) H05B 6/80 (2006.01)
Patent
CA 2486771
A microwave delivery system for a cooking appliance includes a toroidal waveguide, a launching zone and a waveguide cover. The launching zone includes opposing top, bottom and side walls that form a pathway for a microwave energy field to travel from a magnetron through the waveguide and into a cooking chamber. In accordance with one aspect of the overall invention, the bottom wall of the launching zone is aligned with a bottom surface of the waveguide to establish a direct conducting surface for the microwave energy field. The waveguide cover shields a hollow interior portion of the waveguide from cooking byproducts generated in the cooking chamber during a cooking process. The waveguide cover is preferably constituted by a metallic conductor having a finish that enhances the microwave energy field distribution in the cooking chamber.
Arntz Timothy J.
Burns Dennis Michael Brandon
Esprit Damien L.
Huynh Trieu
Proffitt Sondra Denice
Finlayson & Singlehurst
Maytag Corporation
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