Patent ID: 9441552
Filing Date: 2016-09-13
CPC Classification: F02D,F02M

Claim Text:
1. A method of controlling a dual fluid fuel injection system for an internal combustion engine, the dual fluid fuel injection system having a fuel metering injector to meter a quantity of fuel, and a delivery injector arranged to deliver air and at least a portion of the metered fuel to a cylinder of an internal combustion engine, the dual fluid fuel injection system being controlled by an electronic control unit (ECU) to effect fuel metering events and fuel delivery events, the method comprising the steps of: the ECU controlling the fuel metering injector to effect fewer than one fuel metering event, on average, per engine cycle, to meter a quantity of fuel; and the ECU controlling the fuel delivery injector to effect an air and fuel delivery event to deliver the air and at least a portion of the metered quantity of fuel to the cylinder of the internal combustion engine during each engine cycle.