Importance

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Abstract

A recycling cooking oven providing a substantially closed environment, includes a thermal plenum for supplying a stream of hot air into a cooking chamber and for receiving a stream of hot air from the cooking chamber, the thermal plenum maintaining a reservoir of hot air therein. The cooking chamber of the oven supplies a stream of hot air into the thermal plenum and receives a stream of hot air from the thermal plenum, the cooking chamber cooking foods therein at least partially with a stream of hot air and such foods adding oxidizable components to the hot air of the stream. A blower and ducting cause the stream of hot air to circulate in substantially a continuous travel path including the thermal plenum and the cooking chamber. A catalytic converter is disposed in the travel path of the stream of hot air, downstream of the cooking chamber and upstream of the thermal plenum, for flamelessly oxidizing oxidizable components in the hot air of the stream leaving the cooking chamber, thereby both to remove them from the hot air of the stream and to release at least some additional heat energy into the hot air of the stream.

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First Claim