Patent ID: 7051699
Filing Date: 2006-05-30
Classification: F02D,Y02T

Abstract:
1. A method for transitioning from a first mode of fuel injection operation to a second mode of fuel injection operation in an engine having x combustion chambers, comprising: operating in a first mode of fuel injection operation for the x combustion chambers during a first predetermined engine cycle, the first mode of fuel injection including a first number of fuel shots including at least one fuel shot per engine cycle; operating in the first mode of fuel injection operation for y combustion chambers, y being a number less than x, during a second predetermined engine cycle; operating in the second mode of fuel injection operation for the remaining x-y combustion chambers during the second predetermined engine cycle, the second mode of fuel injection including a second number of fuel shots that is different from the first number and includes at least two fuel shots per engine cycle; and operating in the second mode of fuel injection operation for the x combustion chambers during a third predetermined engine cycle.