Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1987-01-29
1988-11-01
Broome, H.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219400, 126 21A, H05B 362, A21B 124
Patent
active
047822147
ABSTRACT:
This indirect-heating, truck-type bakery oven includes a baking chamber closed by a charging door opening throughout the surface of this door, a re-circulation channel provided with a turbine-type fan and heater for heating the cooled air from the baking chamber, and a manifold having louvres for introducing hot air streams into the baking chamber and a steam generator. The steam enclosed in the baking chamber being quickly exhausted, at the end of the baking cycle and before opening the charging door, by creating an exhaust current on the one hand by use of a flow of external air blown through vents taking air from the surrounding external atmosphere in the lower portion of the heating chamber for replacing the steam contained in this chamber and, on the other hand, by extracting this steam through a port formed in the upper portion of the baking chamber by means of a turbine-fan, by sucking and subsequently blowing the steam through exhaust vents, the vents for introducing external air and the steam exhaust vents cooperating with each other and being actuated simultaneously by power controls.
REFERENCES:
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patent: 1601966 (1926-10-01), Harris
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patent: 2370422 (1945-02-01), Reed
patent: 3518949 (1970-07-01), Stock
patent: 3682643 (1972-08-01), Foster
patent: 3705461 (1972-12-01), Parkes
patent: 3738019 (1973-06-01), Forg
patent: 4559903 (1985-12-01), Bloom
Broome H.
Walberg Teresa J.
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