Stoves and furnaces – Liquid heater
Patent
1978-03-23
1980-07-29
Scott, Samuel
Stoves and furnaces
Liquid heater
F24B 700
Patent
active
042145708
ABSTRACT:
A system for heating an edifice comprising a firebox, means for closing a fuel access opening to the firebox, a combustion air passageway opening into the firebox and extending to the outside of the edifice, and a stack connected to, and projecting vertically from, the firebox to convey combustion gases therefrom. A baffled air plenum chamber surrounds the firebox and a portion of the stack and is defined by a housing forming an enclosure around the firebox and stack. An upper air opening into the air plenum chamber is disposed at the upper side of the housing, and a plurality of lower air openings are disposed in the housing on opposite sides of the firebox, and are spaced downwardly from the upper opening. A hot air discharge opening from the air plenum chamber is provided in the side of the housing near the bottom thereof, and cooperates, through its spaced position in relation to the upper and lower air openings, with internal baffling provided in the air plenum chamber to proportionately mix air from the upper and lower air openings, and to selectively optimize the temperature of air discharged from the air plenum chamber through the hot air discharge opening. Ducting connects the air discharge opening to a conventional central heating system. Doors are provided for closing the fuel access opening to the firebox, and a cool air curtaining subassembly is provided to continuously and automatically cool these doors during operation of the system.
REFERENCES:
patent: 2705488 (1955-04-01), Wright
patent: 2707464 (1955-05-01), Gillen
patent: 3724443 (1973-04-01), Carson
patent: 3749078 (1973-07-01), Dupler
patent: 3762391 (1973-10-01), Andrews
patent: 4010728 (1977-03-01), Hempel et al.
Laney William R.
Ratliff, Jr. Wesley S.
Scott Samuel
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