Patent ID: 6513334
Filing Date: 2003-02-04
Classification: F23C,F23D,F23M,F23R

Abstract:
A combustion chamber comprising a plurality of combustion zones arranged in flow series defined by at least one peripheral wall, each combustion zone having at least one fuel and air mixing duct for supplying fuel and air into the respective one of the combustion zones, each of the fuel and air mixing ducts having at least one fuel injector for supplying fuel into the respective one of the fuel and air mixing ducts, the fuel injectors in the at least one fuel and air mixing duct for at least two of the combustion zones being arranged into a plurality of circumferentially arranged sectors, fuel supply means being arranged for supplying fuel to the fuel injectors, the fuel supply means being arranged for supplying a greater amount of fuel to one or more of the circumferentially arranged sectors than the remainder of the circumferentially arranged sectors to reduce the pressure oscillations in the combustion chamber.