Patent ID: 7284514
Filing Date: 2007-10-23
Classification: F02D,Y02T

Abstract:
1. A system for controlling cylinders of an internal combustion engine, the system comprising: a first bank of cylinders; a first group of cylinders in said first bank of cylinders; a second group of cylinders in said first bank of cylinders; a second bank of cylinders; a first group of cylinders in said second bank of cylinders; a second group of cylinders in said second bank of cylinders; a plurality of devices for altering combustion in said first and in said second cylinder groups of said first and said second cylinder banks; a first controller for controlling at least one device of said plurality of devices in at least a cylinder of said first group of cylinders in said first bank of cylinders, said first controller also controlling at least one device of said plurality of devices in at least a cylinder of said first group of cylinders in said second bank of cylinders; a second controller for controlling at least one device of said plurality of devices in at least a cylinder of said second group of cylinders in said first bank of cylinders, said second controller also controlling at least one device of said plurality of devices in at least a cylinder of said second group of cylinders in said second bank of cylinders; and operating said internal combustion engine in an even firing order during degradation of said first controller or during degradation of said second controller.