Burner for a heating device with improved fuel supply

Details Burner for a heating device with improved fuel supply Burner for a heating device with improved fuel supply

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 9/00 (2006.01) F23D 11/24 (2006.01) F23D 11/40 (2006.01)

Patent

CA 2601319

The invention relates to a burner for a heating device, in particular, for application in motor vehicles, comprising a burner nozzle (12), for the introduction and atomisation of fuel, which has a fuel lance (14), for the introduction of fuel into the burner (10), a combustion air inlet (16), for the introduction of combustion air into the burner and a starter zone (18), in which an ignition of the fuel to start the burner occurs. According to the invention, the exit speed of the fuel is determined by selection of the inner diameter of the fuel lance (14), such that during a start phase for the burner (10), fuel enters the start zone (18) in an essentially non-atomised form.

L'invention concerne un brûleur destiné à un appareil de chauffage, utilisé en particulier dans des véhicules automobiles, comprenant: une buse (12) qui sert à acheminer et à pulvériser du combustible et présente une aiguille à combustible (14) servant à acheminer du combustible dans le brûleur (10) et un dispositif d'alimentation en air de combustion (16) servant à acheminer de l'air de combustion dans le brûleur; et une zone de démarrage (18) dans laquelle se produit l'allumage du combustible pour le démarrage du brûleur. Selon l'invention, la vitesse de sortie du combustible est prédéterminée par le choix du diamètre intérieur de l'aiguille à combustible (14) de sorte que, pendant une phase de démarrage du brûleur (10), le combustible sous forme sensiblement non pulvérisée atteint la zone de démarrage (18).

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