Combustion apparatus

Details Combustion apparatus Combustion apparatus

1983-08-16

1984-08-07

Dority, Jr., Carroll B.

Combustion

Burner having electrical heater or igniter

Spark electrode in front of or adjacent fuel discharger

431183, 431351, 239402, F23Q 300

Patent

active

044641087

ABSTRACT:
In a combustion apparatus having an ignition means, a plurality of first swirl vanes positioned at the upstream end of a flame retention head creates a helical primary air/fuel mixture in the combustion chamber of the retention head that ignites into a primary flame vortex. A second plurality of vanes mounted on the inner walls of the retention head shears the outer portions of the primary flame vortex into a plurality of secondary helical flame vortexes disposed about the perimeter of the primary flame vortex. The secondary flame vortexes are opposite in rotational orientation to the direction of rotation of the primary flame vortex. Secondary air is injected into the combustion chamber at the area of shearing.

REFERENCES:
patent: 1235855 (1917-08-01), Stillman
patent: 2497480 (1950-02-01), Walshin
patent: 2531027 (1950-11-01), Carroll
patent: 2647568 (1953-08-01), Sloan
patent: 4082495 (1978-04-01), Lefebvre

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