Cooking appliance including combination heating system
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United States of America Patent
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-
Jun 26, 2007
Grant Date -
Oct 27, 2005
app pub date -
Nov 19, 2004
filing date -
Apr 8, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cooking appliance includes a heating system capable of combining radiant, convection, microwave and conduction heating techniques to perform a cooking operation. The cooking appliance includes a cooking chamber and a bifurcated air plenum having an angled divider that defines a tapered air delivery portion and a tapered exhaust portion. The tapered air delivery portion actually guides a convective air flow through an air emitter plate positioned at a top of the cooking chamber. The air emitter plate includes a recessed, serpentine-like channel having a plurality of openings that lead to the air delivery portion. A radiant heating element is nested within the recessed channel. The cooking appliance further includes a convection fan, as well as a magnetron having a rotatable antenna positioned below the cooking chamber and a conductive plate upon which food to be cooked is supported.
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Family
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