Baking furnace and control method therefor

Details Baking furnace and control method therefor Baking furnace and control method therefor

1998-10-05

1999-11-30

Paschall, Mark

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

432171, 373110, 373140, F27D 706

Patent

active

059932023

ABSTRACT:
The present invention prevents a lowering of the baking quality of a baked product due to a variation in the temperature distribution in a baking furnace due to the inflow of air into the baking furnace. A baking furnace has an inlet disposed in a clean room and an outlet disposed in a normal pressure room lower in pressure than the clean room. The baking furnace is provided with a differential pressure gauge, a controller, an inverter, and an exhaust fan installed in a return duct, the arrangement being such that the difference in pressure between the clean room and the normal pressure room is detected by the differential pressure gauge and the operation of the exhaust fan is controlled by the controller according to the detected differential pressure, so that the air flowed in through the inlet is discharged through the return duct. Thus, the air is prevented from flowing into the baking furnace.

REFERENCES:
patent: 3982887 (1976-09-01), Kendziora et al.
patent: 4397451 (1983-08-01), Kinoshita et al.
patent: 4627814 (1986-12-01), Hattori et al.
patent: 4932864 (1990-06-01), Miyabe
patent: 5044944 (1991-09-01), Furuya et al.
patent: 5172849 (1992-12-01), Barten et al.
patent: 5266027 (1993-11-01), Kuwayama

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