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AssigneeR.W. Beckett Corporation
InventorsJorg Fullemann, Heinrich Boner, Andreas Allemann, Marco Allemann
Estimating the term…
This invention concerns a boiler fitted with a burner suitable for wall heaters or built-in kitchen heaters in which a mantle-shaped heat exchanger made of pipe elements connected in parallel and/or series divides the boiler chamber into a combustion chamber and an exhaust chamber. The heat exchanger has openings for hot flue gases distributed over its mantle. The burner head disposed in the combustion chamber is suitable for burning oil and has a flame tube with an axial flame opening and a flame baffle element disposed at a distance from the flame opening which is constructed so that the flame is diverted into the space between the flame tube and the heat exchanger. In addition, a fire chamber mantle can be disposed between the heat exchanger and the flame tube to protect the heat exchanger from direct contact with the flame.
A process for burning fuel by means of a fuel burner, in which the fuel is sprayed into a fire tube, air is blown into said fire tube and exhaust gas is fed back into said fire tube as a result of the suction effect of the air, wherein virtually all the fuel is sprayed into the fed back exhaust gas in front of the root of a flame and is vaporized in said exhaust gas prior to mixing with air, and the exhaust gas enriched with the vaporized fuel is then mixed with the air, wherein the air is blown into the fire tube through a central aperture in a baffle plate creating a central air flow, and the exhaust gas is admitted at the baffle plate end of the fire tube in such a way that it envelops the central air flow.
A fuel burner with exhaust-gas recirculation, a centrally disposed fuel nozzle, a baffle plate with an air aperture and, adjoining the baffle plate in the direction of flow, a fire tube which has, in the vicinity of the baffle plate, apertures for admitting exhaust gas into a negative pressure area behind the baffle plate in the direction of flow, the spraying aperture of the fuel nozzle lying approximately in the same plane as the baffle plate which produces negative pressure, and said baffle plate having only one aperture having a cross-sectional area substantially smaller than the cross-sectional area of the fire tube, said aperture forming an air inlet disposed concentrically around the fuel nozzle in an annular manner, and the fuel nozzle has a spray pattern shaped as the outer surface of a cone, and ignition electrodes positioned within said fire tube, having an ignition point.
A fuel burner with exhaust gas recirculation, the burner comprising:
A fuel burner with exhaust gas recirculation, the burner comprising:
A fuel burner, comprising:
Dependencies are inferred from the claim text.