Method for operating an internal combustion engine
    2.
    发明申请
    Method for operating an internal combustion engine 有权
    操作内燃机的方法

    公开(公告)号:US20060207549A1

    公开(公告)日:2006-09-21

    申请号:US10545434

    申请日:2004-02-07

    IPC分类号: F02B3/00

    摘要: In a method for operating an internal combustion engine with exhaust gas purification system, a rich-burn mode of the internal combustion engine with a rich exhaust gas composition or a lean-burn mode of the internal combustion engine with a lean exhaust gas composition is set alternately, and the quantity of fuel which is introduced during a combustion cycle of the internal combustion engine is introduced by means of at least one preinjection, at least one main injection and at least one afterinjection.

    摘要翻译: 在具有排气净化系统的内燃机的运转方法中,设定具有浓废气组成的内燃机的浓燃烧模式或具有贫排气组成的内燃机的稀燃模式 并且在内燃机的燃烧循环期间引入的燃料的量通过至少一个预喷射,至少一个主喷射和至少一个喷射后引入。

    Method for operating an internal combustion engine using exhaust gas purification system, and internal combustion engine
    3.
    发明授权
    Method for operating an internal combustion engine using exhaust gas purification system, and internal combustion engine 有权
    使用废气净化系统和内燃机操作内燃机的方法

    公开(公告)号:US06820415B2

    公开(公告)日:2004-11-23

    申请号:US10336993

    申请日:2003-01-06

    IPC分类号: F01N300

    摘要: In a method for operating an internal combustion engine using exhaust gas purification system, and internal combustion engine, the method for operating an internal combustion engine with exhaust gas purification system, in which a rich mode of the internal combustion engine with a rich exhaust gas composition and a lean mode of the internal combustion engine with a lean exhaust gas composition are set alternately, and by the exhaust gas purification system with a rich exhaust gas composition ammonia is synthesized and stored and with a lean exhaust gas composition nitrogen oxides are reduced to form nitrogen by means of the stored ammonia. The quantity of fuel which is introduced by a combustion cycle of the internal combustion engine is introduced by at least one preinjection, at least one main injection and at least one afterinjection, the at least one preinjection and the at least one main injection are burnt under excess oxygen in order to generate a quantity of nitrogen oxides which is sufficient for the ammonia synthesis, and a rich or lean exhaust gas composition is set by the at least one afterinjection. The method may be used, for example, for exhaust gas purification in motor vehicle diesel engines.

    摘要翻译: 在使用废气净化系统和内燃机的内燃机的运转方法中,具有排气净化系统的内燃机的运转方法,其中,具有浓气排放组成的内燃机的富模式 并且具有贫排气组成的内燃机的稀薄模式被交替地设置,并且通过具有浓排气组成的氨的废气净化系统被合成并储存,并且用贫排气组合物将氮氧化物还原形成 氮气通过储存的氨。 通过内燃机的燃烧循环引入的燃料量通过至少一个预喷射,至少一个主喷射和至少一个喷射后引入,至少一个预喷射和至少一个主喷射在下面燃烧 过量氧以产生足以用于氨合成的氮氧化物,并且通过至少一次注入后设定浓或贫废气组合物。 该方法可以用于例如机动车辆柴油发动机中的废气净化。