Stoves and furnaces – Stove doors and windows – Feeding air
Patent
1978-10-20
1980-12-23
Shoap, Allan N.
Stoves and furnaces
Stove doors and windows
Feeding air
49394, 126121, 126197, 126286, 126288, 292 67, 292204, E05C 1906, F23L 1302, F24C 1502
Patent
active
042404037
ABSTRACT:
A fireplace stove comprising a generally rectangular metallic housing adapted to extend into a fireplace opening, with penetration being limited by a flange around the housing which engages and seals against the face of the fireplace. A metallic inner fire shell is closely spaced within the inner surfaces of the housing to provide airflow passages between them. An air inlet with a blower is located at the lower end of one side of the housing and a narrow, hot air outlet extends across the top. Air is directed to flow almost completely around the fire shell for maximum heating. An air inlet with a blower is located at the lower end of one side of the housing and a narrow, hot air outlet extends across the top. Air is directed to flow almost completely around the fire shell for maximum heating. An access door is held in sealed engagement by a spring latch and a combustion air duct in the door extends into the interior so that the air entering thereto is preheated before actual contact with the fire. A butterfly valve damper is mounted in the duct and may be operated from outside the box.
REFERENCES:
patent: 400689 (1889-04-01), Keyser
patent: 2042297 (1936-05-01), Craighead
patent: 2199875 (1940-05-01), Brogden
patent: 2430393 (1947-11-01), Elmore et al.
patent: 2743720 (1956-05-01), Dollinger
patent: 2799423 (1957-07-01), Kaye
patent: 3025093 (1962-03-01), Millman
patent: 3267613 (1966-08-01), McQuiston
patent: 3782765 (1974-01-01), Wallyn
patent: 3952721 (1976-04-01), Patterson
patent: 4091794 (1978-05-01), Stites
patent: 4163440 (1979-08-01), Stultz
Shoap Allan N.
Stidham Melvin R.
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