Parallel tube burner with improved cooling and reduced size

A - Human Necessities – 47 – J

Patent

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Details

A47J 37/06 (2006.01) A47J 37/07 (2006.01)

Patent

CA 2740574

A firebox for a gas grill with an infrared re-emitter surface at the top, at least one heat shield at the bottom, and sidewalls intermediate between the heat shields and the emitter plate forming a box like structure in which multiple small cross sectional area tubes with gas burner ports on the top or sides are disposed in an array between the heat shield and the emitter plate. The heat shield below the burner tubes has openings disposed below the burner tubes to admit secondary combustion air and provide cooling of the burner tubes preventing pre-ignition.

L'invention concerne un foyer de grill à gaz qui présente une surface re-émettrice d'infrarouges à la partie supérieure, au moins un écran thermique à la partie inférieure, et des parois latérales intermédiaires entre l'écran thermique et la plaque émettrice formant une structure similaire à une boîte dans laquelle de multiples tubes à petite surface en coupe présentant des orifices de brûleur de gaz sur la partie supérieure ou sur les côtés sont disposés en un réseau entre l'écran thermique et la plaque émettrice. L'écran thermique en dessous des tubes de brûleur présente des ouvertures disposées en dessous des tubes de brûleur pour admettre de l'air de combustion secondaire et fournir un refroidissement des tubes de brûleur empêchant un allumage prématuré.

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