Dual stage combustion furnace

Details Dual stage combustion furnace Dual stage combustion furnace

1983-06-06

1984-11-27

Favors, Edward G.

Furnaces

Having multiple firebox

Including fluid supply means

110118, 110208, 110211, 110214, 110248, 110293, 110303, 126 73, 126 77, 126163R, F23B 112

Patent

active

044845308

ABSTRACT:
A dual stage combustion furnace has primary and secondary combustion chambers. The primary combustion chamber contains a solid fuel, such as wood or coal. The secondary combustion chamber is formed adjacent to and in communication with the primary combustion chamber for containing and igniting volatile combustion gases produced in the primary chamber. A plurality of hollow members, which provide a grate, extend through the primary chamber, and into the secondary chamber. Volatile gases given off in the primary combustion chamber are then ignited and burned in the secondary combustion chamber upon combination with heated air passing through the hollow grate members.

REFERENCES:
patent: 1731311 (1929-10-01), Marichal
patent: 1835332 (1931-12-01), Pinckard
patent: 2151642 (1939-03-01), Rose
patent: 2549788 (1951-04-01), Fellows
patent: 2845882 (1958-08-01), Bratton
patent: 3906873 (1975-09-01), Green et al.
patent: 4279629 (1981-07-01), Simms
patent: 4341199 (1982-07-01), Hand, Jr. et al.
patent: 4345528 (1982-08-01), Allaire et al.
patent: 4360000 (1982-11-01), Down
patent: 4373507 (1983-02-01), Schwartz et al.

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