Stoves and furnaces – Stoves – Cooking
Patent
1972-11-03
1976-08-10
O'Dea, William F.
Stoves and furnaces
Stoves
Cooking
A21B 126, F24C 1532
Patent
active
039735516
ABSTRACT:
The oven cooking cavity has a perforated top wall above which there is a substantially full width plenum chamber which receives from a rear exterior duct heated air and gases under pressure for discharge of the same downwardly through the cavity top substantially uniformly over the area of the same. The heated air and gases exit from the cavity at the bottom and comingle with newly heated air and gases from a bottom forward gas burner in passage therewith to motor-driven impeller means which discharges into the delivery duct. In such gas embodiment, a small portion of the circulation within the cavity is vented to the atmosphere at the top front of the oven and compensating make-up room air supplied. The heat source can also be electric, with full instead of substantially full recirculation as in the gas embodiment.
REFERENCES:
patent: 2524272 (1950-10-01), Sage
patent: 3384068 (1968-05-01), Perry et al.
patent: 3587557 (1971-06-01), Henderson
patent: 3590803 (1971-07-01), Sauer
Caselani Richard E.
Gilliom John W.
McFarland Robert H.
Perl Richard L.
Joyce Harold
O'Dea William F.
The Tappan Company
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