Cooking appliance with a catalytic burner

Details Cooking appliance with a catalytic burner Cooking appliance with a catalytic burner

F - Mech Eng,Light,Heat,Weapons

23

N

F23N 1/02 (2006.01) F23D 14/18 (2006.01) F24C 3/12 (2006.01) F23N 5/10 (2006.01)

Patent

CA 2210468

A cooking appliance comprising a catalytic burner (1) consisting of at least one device (2) for preparing a combustion mixture (7), at least one mixture distribution chamber (8), and a catalytic combustion assembly (9) through which the mixture passes; a thermal receptor (10) spaced from the catalytic combustion assembly (9), extending over virtually all of the surface thereof, and arranged and designed to dissipate outwardly at least part of the heat energy radiated and/or convected from said catalytic burner (1); and a control device (11) for controlling the aeration rate of the combustion mixture (7) depending on the flow rate of the fuel gas (3), which flow rate is manually and separately controlled by means of a valve (4). Said control device controls the forced combustion air flow (5) provided by a fan (6) in such a way that, during normal operation, it increases when the fuel gas flow rate increases, and conversely decreases when the fuel gas flow rate decreases.

Appareil de cuisson comprenant: un brûleur catalytique (1) constitué par au moins un organe (2) pour obtenir un mélange (7) à brûler, au moins une chambre (8) de distribution dudit mélange, et une structure (9) de combustion catalytique traversée par ledit mélange; un récepteur (10) thermique disposé à distance de la structure (9) de combustion catalytique, s'étendant selon pratiquement toute la surface de cette dernière, et agencé et construit pour dissiper du côté extérieur au moins une partie de l'énergie thermique reçue par rayonnement et/ou convection dudit brûleur catalytique (1); un organe (11) de contrôle du taux d'aération du mélange (7) à brûler, en fonction du débit de gaz combustible (3) commandé manuellement et indépendamment par un robinet (4), et agissant sur le débit d'air comburant (5) pulsé par un ventilateur (6), pour augmenter en marche normale ce dernier lorsque le débit de gaz combustible augmente, et inversement lorsque le débit de gaz combustible diminue.

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