Stoves and furnaces – Stoves – Cooking
Patent
1988-07-18
1989-11-21
Jones, Larry
Stoves and furnaces
Stoves
Cooking
126 39D, 99443C, 99477, A21B 100, A23L 300
Patent
active
048815195
ABSTRACT:
A food preparation oven includes an enclosure defining a chamber for receiving a food product therein. A heater and a fan are provided for heating and recirculating the air within the chamber. A foraminous wire mesh conveyor loop passes through the chamber for supporting and transporting a food product in and through the chamber. A plate having an upper infra-red radiant emissive surface is disposed within the conveyor belt loop. A plurality of lower duct fingers located below the conveyor belt loop communicate with the outlet of the air recirculating fan and are configured for directing columnated jets of hot air upwardly through the lower loop portion of the conveyor belt loop such that the hot air impinges on the lower surface of the radiant plate. After heating the radiant plate the hot air passes around the edges thereof and enters a plurality of upper return duct fingers disposed above the coveyor belt loop. The upper return duct fingers area in communication with the inlet of the air recirculating fan. The upper return duct fingers include infra-red radiant emissive surfaces facing downwardly toward the upper loop portion of the conveyor belt loop, which radiant surfaces are heated by hot air entering the return finger ducts.
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Hoffman John F.
Jeffers Albert L.
Jones Larry
Lincoln Foodservice Products Inc.
Robinson Richard L.
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