TORQUE CONTROL STRATEGY FOR A DIESEL ENGINE DURING LEAN-RICH MODULATION USING INDEPENDENT FUEL INJECTION MAPS

摘要

An engine ( 20 ) and an engine control strategy (FIGS. 2 and 3 ) for lean-to-rich transitions, such transitions being useful for various purposes, one of which is purging, or regenerating, a NOx adsorber ( 36 ) in the engine exhaust system.