Detroit Diesel Corporation

Michael Wayne Trumbower

Richard Michael Avery, Jr

S Miller Weisman, Ii

Dennis Michael Letang

Anne-Lise Grosmougin

A method of controlling fuel delivery in a fuel injection system capable of performing a split injection includes comparing at least one engine operating temperature to a temperature threshold, and disabling split injection when the at least one engine operating temperature exceeds the temperature threshold. Disabling split injection in this manner enhances cold temperature engine operation, while providing a single injection at higher operating temperatures, as desired. Further, an engine and a computer readable storage medium having information stored thereon representing instructions executable by an engine controller for comparing at least one engine operating temperature to a temperature threshold are also provided. The computer readable storage medium instructions disable split injection when the at least one engine operating temperature exceeds the temperature threshold.

Method for enhanced split injection in internal combustion engines

A method of controlling a turbocharger in an internal combustion engine includes monitoring a turbocharger parameter such as turbine speed or turbo boost pressure, and establishing a turbocharger parameter limit value for the turbocharger parameter. A dynamic engine torque limit value is determined based on the current value of the turbocharger parameter and the turbocharger parameter limit value. A provisional engine torque is based on engine conditions, and an applied or desired engine torque is limited to the lesser of the dynamic engine torque limit value and the provisional engine torque.

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Milan, MI, United States of America

Michael Wayne Trumbower