Patent ID: 7377114

Claim:
An apparatus for controlling the injection of fuel in a turbine engine having a engine shaft and a combustion chamber, said apparatus comprising: a) at least four fuel injectors selectably arranged in independent groups for delivering fuel in pulses to said combustion chamber of said turbine engine; b) at least one operating sensor, said sensor having means for receiving sensor signals from a selected operating function of said turbine engine; c) a programmable electronic control unit for receiving and comparing the value of said sensor signals from said turbine engine to the value of a desired signal, and for generating fuel injector control signals to said selectable groups of injectors, independently from each other and staggered in time, in response thereto; and d) a means for directing said fuel injector control signals to said selected fuel injector groups to modify the pulse duration and/or frequency of said fuel injector groups in response to a deviation from desired engine speeds caused by variable operating loads encountered by said turbine engine.