Furnace

Details Furnace Furnace

1979-03-15

1981-07-14

O'Connor, Daniel J.

Stoves and furnaces

Grates

126103, 126110AA, 126112, F23H 1300, F24H 306

Patent

active

042780675

ABSTRACT:
An improved downdraft furnace wherein two combustion grates are used, with the lower one being maintained completely covered with glowing coals, which totally oxidize combustion gases and particles passing through, with the result that the exhaust is free of smoke.

REFERENCES:
patent: 277754 (1883-05-01), Lucas
patent: 951703 (1910-03-01), Sawyer
patent: 973879 (1910-10-01), Promenshenkel et al.
patent: 1497490 (1924-06-01), Dullman
patent: 1609788 (1926-12-01), Anderson
patent: 1765201 (1930-06-01), Borgeson
patent: 2151642 (1939-03-01), Rose
patent: 2647506 (1953-08-01), Heiman
patent: 2773675 (1956-12-01), Wyckoff
patent: 3067735 (1962-12-01), Albert
patent: 3358675 (1967-12-01), Voges

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