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A combustion system having a combustion chamber having a fuel inlet, a preheating chamber surrounding the combustion chamber, an air inlet for tangentially feeding combustion air to the preheating chamber, the combustion chamber having an elongate slot for tangentially admitting preheated air in cir

A combustion system having a combustion chamber having a fuel inlet, a preheating chamber surrounding the combustion chamber, an air inlet for tangentially feeding combustion air to the preheating chamber, the combustion chamber having an elongate slot for tangentially admitting preheated air in circulating motion to the combustion chamber, a plasma chamber coupled to the combustion chamber having an inlet aperture for receiving combusting fuel-air plasma from the combustion chamber, and an outlet aperture for expelling combusted gas, the plasma chamber having an inverted end wall surrounding the outlet aperture operative for forming an imploding vortex in the plasma chamber.

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[ I claim:] [1.] A combustion system comprising:a combustion chamber having a fuel inlet; a preheating chamber surrounding the combustion chamber having an air inlet for tangentially feeding combustion air to the preheating chamber, the combustion chamber having an elongate slot for admitting prehea

[ I claim:] [1.] A combustion system comprising:a combustion chamber having a fuel inlet; a preheating chamber surrounding the combustion chamber having an air inlet for tangentially feeding combustion air to the preheating chamber, the combustion chamber having an elongate slot for admitting preheated air in circulating motion to said combustion chamber, a plasma chamber coupled to said combustion chamber, and having an inlet aperture for receiving combusting fuel-air plasma from said combustion chamber, and an outlet aperture for expelling combusted gas, said plasma chamber having an inverted end wall surrounding said outlet aperture operative for forming an imploding vortex in said plasma chamber;said plasma chamber has an internal wall of substantially spherical shape, and a center; a central sphere in said plasma chamber for generating standing waves in said plasma chamber, said central sphere having an inner cavity, a sonic tube fluidly connecting said cavity with said combustion chamber, said sonic tube operative for transmitting sonic waves from said cavity to said combustion chamber, said plasma chamber wall forming a cathode, said central sphere forming an anode, and further including an anodic reflecting element attached to said sonic tube, said anodic reflecting element being operative for reflecting ions from said combustion chamber.