Stoves and furnaces – Stoves – Heating
Patent
1985-08-05
1986-12-16
Jones, Larry
Stoves and furnaces
Stoves
Heating
126 80, 126 83, 110213, F24C 116
Patent
active
046288988
ABSTRACT:
A secondary combustion system for a wood burning stove employs an insulated passageway which is configured to substantially increase the turbulence of an exhaust stream passing therethrough. The insulated passageway comprises a generally transversely extending portion and a generally vertically extending portion. The passageway is configured to impart a rotation to the passing exhaust stream in one direction and to successively impart a rotation in the opposite direction. The insulated passageway comprises a plurality of helically extending channels. The passageway is also configured to have an increasing cross-sectional area to insure sufficient residence time for effecting the secondary combustion of the exhaust gases.
REFERENCES:
patent: 6824 (1849-10-01), Cole
patent: 792209 (1905-06-01), Gregory
patent: 1819119 (1931-08-01), Pykosz
patent: 2481165 (1949-09-01), Landry
patent: 3543700 (1970-12-01), Baigas, Jr.
patent: 3861335 (1975-01-01), Przewalski
Hearthstone Corporation
Jones Larry
LandOfFree
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