System and method for operating a turbo-charged engine

Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections

Reexamination Certificate

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Details

C123S304000, C701S104000

Reexamination Certificate

active

07360522

ABSTRACT:
In certain embodiments, there is provided a method of providing a first fuel injection schedule having one or more injections per cylinder per compression stroke at a first discrete power level selected from a plurality of discrete power levels of an engine. The method further includes providing a second fuel injection schedule having a plurality of injections per cylinder per compression stroke at a second discrete power level selected from the plurality of discrete power levels of the engine, wherein the first and second fuel injection schedules comprise different injection characteristics from one another.

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