Charcoal/air BBQ combustion chamber assembly

Details Charcoal/air BBQ combustion chamber assembly Charcoal/air BBQ combustion chamber assembly

2007-08-29

2009-12-29

McAllister, Steven B (Department: 3749)

Stoves and furnaces

Stoves

Cooking

C126S042000, C126S060000, C126S070000, C126S071000, C431S121000, C431S326000, C431S007000

Reexamination Certificate

active

07637258

ABSTRACT:
An open “funnel shaped” Inner Burner inside an open top Outer Casing. The casings closed base has a central hole accommodating the burners small open bottom Ash Exit. The space between the Inner Burner wall and Outer Casing wall forms an Annular Air Plenum that's supplied by an electric variable speed blower. Air enters the Burner Combustion space through perforations in the Burner/Plenum wall. This ensures rapid ignition and controls combustion rate (Temp). This also precipitates ash from burner Ash Exit, through the Ash Chute and into Storage Container fitted to outer casings base. A Radial diffuser centered on the heating surface provides a variable speed Lateral Air Sheet between heating and grill surfaces, instantly blowing “Smoke and Flare-Ups” to the outer burner perimeter. Unit is designed as a “Drop-In” unit to fit a manufacturer BBQ cart suitably equipped to specify basic installation requirements.

REFERENCES:
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patent: 3266478 (1966-08-01), Booth
patent: 3324788 (1967-06-01), La France
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patent: 3327697 (1967-06-01), Berlant
patent: 4287870 (1981-09-01), Johnson
patent: 4788905 (1988-12-01), Von Kohorn
patent: 4850333 (1989-07-01), Dellrud
patent: 4867050 (1989-09-01), Patenaude et al.
patent: 5154159 (1992-10-01), Knafelc et al.
patent: 5168860 (1992-12-01), Kibourian
patent: 5176124 (1993-01-01), Wrasse
patent: 6943321 (2005-09-01), Carbone et al.

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