F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
110/6
F24H 1/26 (2006.01) F23M 9/00 (2006.01)
Patent
CA 1271091
Abstract of the Disclosure A down-draft, gravity fed, bio-mass, solid fuel burning stove or furnace comprises an upright cylindrical housing having a top cover and a fire resistant openable air-tight floor. Fuel drops onto the center of the floor through a central feed tube where it burns in the form of a truncated connical pile. A second tube surrounds the feed tube, defining with it an annular air intake passage for discharging an annular current of air downwardly on the burning fuel. A heat exchanger surrounds the housing and its inner wall defines with the housing a smoke pas- sage for upward escape of the hot gases of combustion. Heat from the smoke passage heats the contents of the heat exchanger. A baffle in the smoke passage enhances heat transfer. The central tube and cover are removable as a unit.
593538
Cassan Maclean
Macarthue Charles E.
LandOfFree
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