Stoves and furnaces – Stoves – Cooking
Patent
1977-08-10
1979-02-13
Croyle, Carlton R.
Stoves and furnaces
Stoves
Cooking
126 66, 126 67, F24C 114, F24B 300
Patent
active
041389859
ABSTRACT:
A fire box is provided having upstanding peripheral walls and bottom and top walls. The fire box includes draft air inlet structure opening through the bottom wall thereof and flue gas outlet structure opening upwardly through the top wall thereof. The lower portion of the fire box includes horizontally outwardly projecting seat structure extending peripherally about at least all but one peripheral wall portion of the fire box and a downwardly opening hollow plenum box including upstanding peripheral walls and a top wall is also provided with the plenum box being removably downwardly telescoped over the fire box and with the lower portions of the peripheral walls of the fire box seated against and in at least reasonably good air sealed engagement with the seat structure and with the corresponding peripheral walls and top walls of the fire box and plenum box disposed in spaced relation defining a heating chamber therebetween. The top wall of the plenum box includes an opening therethrough into which the flue gas outlet structure opens and the aforementioned one peripheral wall portion of the fire box includes a horizontally outwardly projecting hollow neck opening through a lower portion thereof defining a fuel inlet passage. The peripheral wall of the plenum box corresponding to the aforementioned one peripheral wall portion of the fire box includes a downward opening notch in which the hollow neck is snugly received in reasonably good sealed engagement therewith. A lower peripheral wall of the plenum box includes an intake for admitting air to be heated into a lower portion of the heating chamber and the top wall of the plenum box includes a heated air outlet for discharging heating air from the upper portion of the heating chamber. The plenum may be upwardly removed from the fire box in order to enable the upper surface of the top wall of the fire box to be used as a cooking surface.
REFERENCES:
patent: 310623 (1885-01-01), Turner et al.
patent: 446413 (1891-02-01), Baker
patent: 803183 (1965-10-01), Menke
patent: 1334827 (1920-03-01), Yost
patent: 1504305 (1924-08-01), Alig
patent: 2220414 (1940-11-01), Kritzer
patent: 2469898 (1949-05-01), Schoch
Croyle Carlton R.
Gluck Richard E.
Jacobson Harvey B.
O#Brien Clarence A.
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