Patent ID: 7246605
Filing Date: 2007-07-24
Classification: F02B,F02D,Y02T

Abstract:
1. A method for controlling peak cylinder pressure in a diesel engine under high altitude operating conditions, including the steps of: determining whether operating conditions are met for advancing a start of injection time corresponding to a time of injection of fuel into a cylinder of the engine; computing, if the operating conditions are met, a first increment to a start of injection variable and a second increment to the stan of injection variable, the second increment including a increment step value; incrementing the start of injection variable by the first increment if the first increment is less than or equal to the increment step value and less than or equal to the second increment; incrementing the start of injection variable by the second increment if the first increment is greater than one of the increment step value and the second increment; setting the start of injection time equal to the incremented start of injection variable; and periodically repeating the preceding steps.