Patent ID: 8938350
Filing Date: 2015-01-20
Classification: F02D

Abstract:
1. A system for controlling fuel injectors in an internal combustion engine, the engine having a plurality of individual engine cylinders with associated pistons, the pistons being operatively interconnected to a crankshaft, and the cylinders further including a plurality of respective fuel injectors, the system comprising: at least one electronic engine control module configured to control the fuel injectors, the engine control module having a central processing unit and an associated memory; one or more predetermined injector firing patterns stored in said engine control module memory, the firing patterns relating to a number of fuel injectors to be fired, and specifying the fuel injectors to be fired and the fuel injectors to be skipped, in an engine cycle under conditions of reduced power demand relative to a predetermined full power demand; wherein the engine control module is configured to be responsive to data indicative of a reduced power demand condition during engine operation; wherein for each engine cycle in a succession of cycles under the reduced power demand condition, the engine control module is programmed to