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    EXHAUST PURIFICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
    6.
    发明公开
    EXHAUST PURIFICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE 有权
    内燃机排气净化系统

    公开(公告)号：EP3039259A1

    公开(公告)日：2016-07-06

    申请号：EP14747992.7

    申请日：2014-07-03

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： BISAIJI, Yuki ,  YOSHIDA, Kohei ,  HABA, Yuki ,  NOZAKI, Yusuke

    IPC分类号： F01N9/00 ,  F01N3/08

    CPC分类号： F01N3/2066 ,  F01N3/021 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N9/00 ,  F01N2240/30 ,  F01N2430/06 ,  F01N2560/06 ,  F01N2610/03 ,  F01N2900/08 ,  F01N2900/1402 ,  F01N2900/1602 ,  Y02T10/47

    摘要： In an internal combustion engine, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged in an engine exhaust passage. A first NO
    x removal method which reduces NO
    x contained in an exhaust gas by a reducing intermediate which is generated by injecting hydrocarbons from the hydrocarbon feed valve (15) within a predetermined range of period and a second NO
    x removal method in which an air-fuel ratio of the exhaust gas flowing into the exhaust purification catalyst (13) is made rich by a period which is longer than this predetermined range are used. The switching temperatures ST and ST
    o of the exhaust purification catalyst (13) at which temperature an NO
    x removal method is switched from the second NO
    x removal method to the first NO
    x removal method, are made lower if the amount of NO
    x in the exhaust gas flowing into the exhaust purification catalyst (13) increases.

    摘要翻译： 在内燃机中，烃供给阀（15）和排气净化催化剂（13）被布置在发动机排气通道中。 第一NO x去除方法，其通过在预定的时间段内通过从烃进料阀（15）喷射烃而产生的还原中间体来还原排气中所含的NO x;以及第二NO x去除方法，其中， 使流入排气净化催化剂（13）的排气的燃料比成为比该规定范围长的时间。 如果NOx排放量的方法是将NO x去除方法从第二NO x去除方法切换到第一NO x去除方法的排气净化催化剂（13）的切换温度ST和ST o降低 流入排气净化催化剂13的排气增加。

    EXHAUST PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE
    8.
    发明公开
    EXHAUST PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE 有权
    内燃机排气净化装置

    公开(公告)号：EP2738363A1

    公开(公告)日：2014-06-04

    申请号：EP11870164.8

    申请日：2011-07-28

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： MORI, Toshihiro ,  BISAIJI, Yuki

    IPC分类号： F01N3/02

    CPC分类号： F01N3/20 ,  F01N3/0253 ,  F01N3/035 ,  F01N3/0821 ,  F01N3/0864 ,  F01N3/103 ,  F01N3/206 ,  F01N3/2892 ,  F01N9/00 ,  F01N9/002 ,  F01N13/009 ,  F01N2560/025 ,  F01N2900/1602 ,  F01N2900/1621 ,  F01N2900/1622 ,  Y02T10/47

    摘要： An exhaust gas purifying apparatus for an internal combustion engine is provided with: a first catalyst (234) which is disposed in an exhaust passage of the internal combustion engine (200); a second catalyst (235) which is disposed in the exhaust passage on a downstream side of the first catalyst; a reducing agent supplying device (233) which is disposed on an upstream side of the first catalyst and which is configured to supply a reducing agent into the exhaust passage; and a reducing agent supply controlling device (100) which is configured to control the reducing agent supplying device such that an air-fuel ratio on the upstream side of the first catalyst becomes momentarily rich.

    摘要翻译： 一种用于内燃机的排气净化装置设置有：第一催化剂（234），其设置在内燃机（200）的排气通道中; 第二催化剂（235），其设置在所述第一催化剂的下游侧的所述排气通路中; 还原剂供给装置（233），其配置在所述第一催化剂的上游侧，用于向所述排气通路内供给还原剂; 以及还原剂供给控制装置（100），其构成为控制所述还原剂供给装置，使得所述第一催化剂的上游侧的空燃比瞬间变浓。

    EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE
    10.
    发明公开
    EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE 有权
    EGENRINRENNUNGSMOTOR的ABGASREINIGUNGSSYSTEMFÜR

    公开(公告)号：EP2589769A1

    公开(公告)日：2013-05-08

    申请号：EP11838998.0

    申请日：2011-08-29

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： INOUE, Mikio ,  YOSHIDA, Kohei ,  BISAIJI, Yuki

    IPC分类号： F01N3/08 ,  F01N3/36 ,  F02D41/04

    CPC分类号： F01N3/035 ,  F01N3/0253 ,  F01N3/0814 ,  F01N3/0821 ,  F01N3/0842 ,  F01N3/2033 ,  F01N2610/03 ,  F02D41/025 ,  F02D41/0275 ,  F02D41/029 ,  F02D41/1408 ,  F02D41/405 ,  F02D2200/0806 ,  Y02T10/26

    摘要： An exhaust purification system of an internal combustion engine is provided with an exhaust purification catalyst which removes NO x and a post treatment device. The exhaust purification catalyst has the property of reducing NO x if making the concentration of hydrocarbons vibrate by within a predetermined range of amplitude and within a predetermined range of period and furthermore has the function of oxidizing hydrocarbons. The exhaust purification system feeds hydrocarbons to the exhaust purification catalyst and raises the temperature of the post treatment device as temperature elevation control. The exhaust purification catalyst has a high purification rate range where the NO x purification rate becomes higher than a predetermined rate. In the temperature elevation control, the total feed amount of hydrocarbons is set and the feed period of hydrocarbons is set in the high purification rate range in a region at the end at the short side of feed period of hydrocarbons.

    摘要翻译： 内燃机的排气净化系统具有除去NO x的废气净化催化剂和后处理装置。 如果使烃的浓度在预定的振幅范围内并且在预定的时间范围内振动，并且还具有氧化烃的功能，则排气净化催化剂具有还原NO x的性质。 排气净化系统将碳氢化合物供给到排气净化催化剂，并将后处理装置的温度升高为升温控制。 排气净化催化剂具有高纯化率，其中NO x净化率变得高于预定的速率。 在升温控制中，设定碳氢化合物的总进料量，并且在烃的进料周期的末端的区域中将烃的进料周期设定在高净化率范围内。