Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1989-08-08
1990-09-11
Dority, Carroll B.
Stoves and furnaces
Hot-air furnaces
Compressed air
126110B, 126116R, F24H 300
Patent
active
049553593
ABSTRACT:
A forced-air furnace for burning gas or fuel oil or waste oil utilizes relatively few components and effectively heats air for space-heating purposes. The furnace includes a substantially enclosed, elongated housing having an air intake and an air discharge vent and a hollow elongated heat exchanger/combustion chamber which is supported within so as to extend axially along the housing. The furnace also includes a fuel burner assembly supported at the discharge end of the housing for directing a flame and attending combustion products directly into the heat exchanger so that the inner surface thereof absorbs heat generated thereby and so that no part of the flame impinges upon the heat exchanger. Heat transfer from the combustion products to the heat exchanger is enhanced by a pair of removable platen-like baffles mounted within the heat exchanger. The combustion products are expelled from the heat exchanger through a flue discharge conduit having a section positioned within the heat exchanger, and a fan mounted within the housing routes air from the air intake and across the surfaces of both the heat exchanger flue conduit and the dual function heat exchanger/combustion chamber to the air discharge vent. A removable end cap attached to one end of the heat exchanger and a hinged burner assembly facilitate clean-out of the interior of the heat exchanger.
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Briggs Eugene C.
Cooperrider Myron T.
Dority Carroll B.
Robert Sun Company
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