Gas convection oven and module thereof comprising a heat exchang

Details Gas convection oven and module thereof comprising a heat exchang Gas convection oven and module thereof comprising a heat exchang

1989-06-01

1990-03-20

Dority, Carroll B.

Stoves and furnaces

Stoves

Cooking

126 91A, F24C 1532

Patent

active

049092367

ABSTRACT:
A gas convection oven includes a blower and a heat exchanger which together produce a circulation of hot air through a cooking portion of the oven at a uniform speed and with a uniform temperature distribution. The heat exchanger includes a plurality of generally U-shaped tubes disposed outwardly of the blower and uniformly spaced apart in a symmetrical relationship concentric to the blower. Each of the tubes has a first end in open communication with a first collector chamber in which hot combustion gases are generated by a gas burner and a second end in open communication with a second collector chamber. An exhaust device is connected to the collector chamber for exhausting combustion gases generated by the gas burner from the oven via the second collector chamber and the tubes of the heat exchanger. The exhaust device may in turn include an ejector for aspirating the exhaust from the oven through an exhaust pipe open to the second collector chamber.

REFERENCES:
patent: 4648377 (1987-03-01), Van Camp

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