Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1987-11-10
1989-07-18
Schwadron, Martin P.
Stoves and furnaces
Hot-air furnaces
Compressed air
126 99D, 126110B, 126110D, 431171, 431350, 432222, F24H 302
Patent
active
048483133
ABSTRACT:
A compact forced air heater comprises a combustion chamber mounted in a housing, a burner module mounted across a back open end of the combustion chamber adjacent a back wall of the housing for producing heated air in the combustion chamber, an air intake in a front wall of the housing, and a high speed (3000 rpm) forced air blower mounted between the combustion chamber and the housing front end wall. The burner module includes a flameholder plate having a central primary air hole and circular rows of staggered secondary air holes surrounding the primary air hole. A flamespreader plate is mounted on the flameholder plate opposite the primary air hole, and an elongated right-angle burner tube, having a flattened locating-and-orienting end and at least one burner orifice in a sidewall of the tube, is located on an opposite side of the flameholder plate with the burner orifice aligned with the primary air hole and the flamespreader plate. An ignitor and a thermocouple are also mounted on the flameholder plate. The flameholder plate may be mounted vertically, with corners of the plate bent to form ears for increasing air turbulence and to act as afterburners.
REFERENCES:
patent: 3077920 (1963-02-01), Pavlak
patent: 3816055 (1974-06-01), Lear
patent: 3840330 (1974-10-01), Katchka
patent: 4086053 (1978-04-01), Sommer, Jr.
patent: 4424793 (1984-01-01), Cooperrider
patent: 4676737 (1985-09-01), Suzuki
Brochure, National Riverside Co., "Instructions and Parts List for Models 60FA-BA", publ. Sep. 1984.
Flanigan Allen J.
Scheu Manufacturing Company
Schwadron Martin P.
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