Lean nitrogen oxide emission control system and method
    1.
    发明授权
    Lean nitrogen oxide emission control system and method 有权
    精益氮氧化物排放控制系统及方法

    公开(公告)号:US08041498B2

    公开(公告)日:2011-10-18

    申请号:US12248246

    申请日:2008-10-09

    IPC分类号: F02D41/00 F01N3/00

    摘要: A control system comprising an NH3 storage level determination module that determines an NH3 storage level in an exhaust system, and a fuel control module that controls an air-to-fuel (A/F) ratio in an engine based on the NH3 storage level. A method comprising determining an NH3 storage level in an exhaust system, and controlling an A/F ratio in an engine based on the NH3 storage level.

    摘要翻译: 一种控制系统,包括确定排气系统中的NH 3储存水平的NH 3储存水平确定模块,以及基于NH 3储存水平控制发动机中的空气燃料(A / F)比的燃料控制模块。 一种方法,包括确定排气系统中的NH 3储存水平,以及基于NH 3储存水平控制发动机中的A / F比。