Air circulation and exhaust control system for commercial ovens

Heating – Processes of heating or heater operation – Continous strip – strand or web passed longitudinally through...

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432 72, 432176, 126 21A, 110162, F27B 928

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active

048466476

ABSTRACT:
A method of providing an air circulation and exhaust control system for an oven (20) includes an oven enclosure (24) having a conveyor (40) mounted therein for transporting food products through the oven. A plurality of ribbon burners (100) are mounted within the oven interior (32) adjacent the path of the conveyor to heat the interior of the oven. Heated gases generated by operation of the ribbon burners are received through inlet plenums (140) under operation of a circulation fan (146) and are discharged through discharge tubes (154) extending adjacent portions of the conveyor (40) remote from the locations of the ribbon burners (100). Exhaust gases are removed from the oven interior through discharge ports (180) by exhaust blower assemblies (184) which are operated to remove exhaust gases from the oven interior at a rate proportional to the flow rate of combustion air and gaseous fuel into the ribbon burners.

REFERENCES:
patent: 4270467 (1981-06-01), Drake
patent: 4544352 (1985-10-01), Lanham et al.
patent: 4591517 (1986-05-01), Whipple et al.
patent: 4631029 (1986-12-01), Lanham et al.
patent: 4726766 (1988-02-01), Stewart et al.

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