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    • 6. 发明申请
    • EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE
    • 用于内燃机的排气净化装置
    • US20160040573A1
    • 2016-02-11
    • US14763696
    • 2014-01-15
    • ISUZU MOTORS LIMITED
    • Mitsuhiro ASOTadashi UCHIYAMAMasafumi NODA
    • F01N3/025F01N3/027
    • F01N3/0256B01D46/006B01D2279/30F01N3/0253F01N3/027F01N9/002F01N13/008F01N2560/12F01N2610/03F01N2900/1606Y02T10/47
    • An exhaust gas purification device for an internal combustion engine, wherein an amount of fuel supply during a forced regeneration is optimized, and a fuel efficiency is effectively improved. The device includes a filter in an exhaust passage of the internal combustion engine for collecting particulate matter in an exhaust gas, an electrostatic capacity detecting unit that detects an electrostatic capacity of the filter, and a filter regenerating unit that supplies fuel to the filter and executes a forced regeneration to burn and remove the particulate matter in the filter. The filter regenerating unit stops supplying fuel when a rate of decrease in the detected electrostatic capacity per predetermined period of time reaches or falls below a predetermined lower threshold, which indicates a drop in burning efficiency of the particulate matter, while the forced regeneration is being executed.
    • 一种用于内燃机的废气净化装置,其中强制再生期间的燃料供给量被优化,并且有效地提高了燃料效率。 该装置包括在内燃机的排气通道中的用于收集废气中的颗粒物质的过滤器,检测过滤器的静电容量的静电电容检测单元和向过滤器供应燃料并执行的过滤器再生单元 强制再生燃烧和除去过滤器中的颗粒物质。 当执行强制再生时,当预定时间段内的检测到的静电容量的减少率达到或低于预定的下限阈值时,过滤器再生单元停止供应燃料,这表示颗粒物质的燃烧效率降低 。