Air intake system for enclosed freestanding fireplace

Details Air intake system for enclosed freestanding fireplace Air intake system for enclosed freestanding fireplace

1977-10-31

1979-05-29

Dority, Jr., Carroll B.

Stoves and furnaces

Liquid heater

126143, F24B 118

Patent

active

041564189

ABSTRACT:
An improved air intake system for a freestanding fireplace of the type having a tubular base secured to a floor support, a firepot mounted on the base, a substantially cylindrical firepot enclosure, and a conical hood having an internally mounted, upwardly spiraling, flange. The improvement includes an air conduit connecting the tubular base to an outside air source located below the floor support and a second conduit extending between the tubular base and the firepot enclosure, the second conduit terminating adjacent one edge of the firepot in a substantially horizontal direction to impart a circular motion to exiting air. Another conduit extending between the tubular base and the firepot enclosure, terminating adjacent an oppositely disposed edge of the firepot from the second conduit and terminating in a substantially horizontal direction opposite to that of the second conduit may be included. The improvement may also include dampers within the conduits extending from the tubular base to the firepot enclosure for controlling air flow; a screen covering the opening of the first conduit to prevent admittance of rodents; and a filter to prevent dusk intake. A doorway into the tubular base for cleaning or replacement of screens and filters may also be included.

REFERENCES:
patent: 3359964 (1967-12-01), Wilson
patent: 3499432 (1970-03-01), Hannebaum
patent: 4006733 (1977-02-01), Crownover
patent: 4068649 (1978-01-01), Johnson

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