公开(公告)号：US20160177859A1

公开(公告)日：2016-06-23

申请号：US14967468

申请日：2015-12-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Luca GATTI ,  Chiara POZZI ,  Giorgio NATI ,  Davide Francesco MERCURI ,  Luca CHIAPUSSO

IPC: F02D41/30 ,  F02D41/02

CPC classification number: F02D41/0255 ,  F02D41/0055 ,  F02D41/025 ,  F02D41/402 ,  F02D41/405 ,  Y02T10/26 ,  Y02T10/44 ,  Y02T10/47

Abstract: A method of operating an internal combustion engine is described, which includes executing a warm up strategy of an engine aftertreatment system, wherein the warm up strategy includes injecting fuel into the engine according to a multi-injection pattern having at least one after injection.

Abstract translation: 描述了一种操作内燃机的方法，其包括执行发动机后处理系统的预热策略，其中预热策略包括根据具有至少一次喷射后的多喷射模式将燃料喷射到发动机中。