Convection oven

Details Convection oven Convection oven

1988-05-09

1989-03-21

Yeung, James C.

Stoves and furnaces

Stoves

Cooking

126 39C, 126273R, 165125, 432152, 432176, 432199, 99447, 99474, F24C 1532

Patent

active

048133981

ABSTRACT:
A gas-fired convection oven comprises a cooking cavity having a centrifugal fan mounted on a rear wall thereof. A vertical shroud mounted adjacent to the fan forms a narrow heat exchanging chamber within the cavity. A heat exchanger comprising a generally U-shaped hollow tube extends within the heat exchanging chamber and is provided with outwardly directed jets on the leg portions thereof. A power jet burner surrounded by a secondary air passageway conduit communicate with an inlet into the heat exchanger. Means for baffling secondary air at the inlet to the heat exchanger provides for generally balanced flow of combustion products within both legs of the heat exchanger facilitating energy efficiency in the heating of the cooking cavity.

REFERENCES:
patent: 1874328 (1932-08-01), McCutcheon
patent: 2235559 (1941-03-01), Mayer
patent: 3605717 (1971-09-01), Sauer
patent: 3926106 (1975-12-01), Deusing et al.
patent: 3977387 (1976-08-01), Lawler
patent: 4484561 (1984-11-01), Baggott
patent: 4516012 (1985-05-01), Smith et al.
patent: 4627409 (1986-12-01), Kagomoto
patent: 4648377 (1987-03-01), Van Camp
patent: 4753215 (1988-06-01), Kaminski et al.

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