Patent ID: 8483931
Filing Date: 2013-07-09
Classification: F02C,F05D,F23N,F23R

Abstract:
1. A method of actively controlling a combustion pattern factor in a gas turbine engine comprising the steps of: a) issuing fuel into a combustion chamber of a gas turbine engine through a plurality of circumferentially disposed fuel injectors each having a fuel modulation valve associated therewith; b) measuring a fuel flow rate through two or more of the plurality of fuel injectors; c) comparing fuel flow rate through the two or more of the plurality of fuel injectors; and d) controlling fuel distribution in the combustion chamber by actively adjusting fuel flow rate through one or more selected fuel injectors using the fuel modulation valves associated therewith, to maintain equal fuel flow to each of the two or more injectors, to achieve an optimal pattern factor.