Patent ID: 6695234
Filing Date: 2004-02-24
Classification: F23C,F23D,F23R

Abstract:
A liquid fuel injection nozzle for supplying electrostatically charged fuel to a combustion chamber in a gas turbine engine, the nozzle comprising:a) a nozzle body; b) a fuel passage within the nozzle body and having an exit for the fuel to leave the nozzle; c) electrode means disposed around the nozzle body, the electrode means having an inner surface and an outer surface; d) electrical insulation means for insulating the inner surface of the electrode means from the nozzle body and for insulating the outer surface of the electrode means from its environment; and (e) said electrode means having sharp edge means formed by intersection of the inner and outer surfaces, said sharp edge means forming part of a wall of the passage, and being free of the electrical insulation means, and being positioned for imparting electrostatic charge to the fuel as the fuel leaves the passage exit.