利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

12 条记录 (耗时 0.025 秒)

    Exhaust purification system for internal combustion engine and desulfurization method for the same
    1.
    发明授权
    Exhaust purification system for internal combustion engine and desulfurization method for the same 有权
    内燃机排气净化系统和脱硫方法相同

    公开(公告)号：US08528321B2

    公开(公告)日：2013-09-10

    申请号：US12847841

    申请日：2010-07-30

    申请人： Jin Ha Lee ,  Jin Woo Park ,  Hyokyung Lee ,  Sang-Min Lee ,  Jun Sung Park

    发明人： Jin Ha Lee ,  Jin Woo Park ,  Hyokyung Lee ,  Sang-Min Lee ,  Jun Sung Park

    IPC分类号： F01N3/00 ,  F01N3/10 ,  F01N3/02

    CPC分类号： F01N3/2033 ,  F01N3/035 ,  F01N3/0885 ,  F01N9/002 ,  F01N2570/04 ,  F01N2900/1612 ,  Y02T10/26 ,  Y02T10/47

    摘要： An exhaust purification system for an internal combustion engine, and a desulfurization method for the same, recovers purification performance of a denitrification catalyst by removing sulfur poisoned at the denitrification catalyst in an exhaust system. The exhaust purification system may include an exhaust pipe through which an exhaust gas flows, the exhaust gas being generated at the internal combustion engine having a first injector injecting a fuel to a combustion chamber, a second injector mounted at the exhaust pipe and additionally injecting the fuel, a particulate filter mounted at the exhaust pipe downstream of the second injector and filtering particulate matters (PM) in the exhaust gas, a denitrification catalyst mounted at the exhaust pipe downstream of the particulate filter and reducing nitrogen oxide contained in the exhaust gas, and a control portion performing desulfurization of the denitrification catalyst when a desulfurization entering condition and a desulfurization condition are satisfied during regenerating the particulate filter.

    摘要翻译： 用于内燃机的排气净化系统及其脱硫方法通过去除排气系统中脱氮催化剂中毒的硫来回收脱氮催化剂的净化性能。 排气净化系统可以包括废气流过的排气管，在内燃机处产生的废气具有将燃料喷射到燃烧室的第一喷射器，安装在排气管处的第二喷射器，另外喷射 燃料，安装在第二喷射器下游的排气管和排气中的过滤颗粒物质（PM）的微粒过滤器，安装在微粒过滤器下游的排气管处并且还原废气中包含的氮氧化物的脱氮催化剂， 以及在再生所述微粒过滤器期间满足脱硫进入条件和脱硫条件时，进行脱氮催化剂的脱硫的控制部。

    Exhaust Purification System for Internal Combustion Engine and Desulfurization Method for the Same
    2.
    发明申请
    Exhaust Purification System for Internal Combustion Engine and Desulfurization Method for the Same 有权
    内燃机排气净化系统及其脱硫方法

    公开(公告)号：US20110126513A1

    公开(公告)日：2011-06-02

    申请号：US12847841

    申请日：2010-07-30

    申请人： Jin Ha LEE ,  Jin Woo Park ,  Hyokyung Lee ,  Sang-Min Lee ,  Jun Sung Park

    发明人： Jin Ha LEE ,  Jin Woo Park ,  Hyokyung Lee ,  Sang-Min Lee ,  Jun Sung Park

    IPC分类号： F01N3/00 ,  F02B3/00 ,  F01N3/035 ,  F01N3/023

    CPC分类号： F01N3/2033 ,  F01N3/035 ,  F01N3/0885 ,  F01N9/002 ,  F01N2570/04 ,  F01N2900/1612 ,  Y02T10/26 ,  Y02T10/47

    摘要： An exhaust purification system for an internal combustion engine, and a desulfurization method for the same, recovers purification performance of a denitrification catalyst by removing sulfur poisoned at the denitrification catalyst in an exhaust system. The exhaust purification system may include an exhaust pipe through which an exhaust gas flows, the exhaust gas being generated at the internal combustion engine having a first injector injecting a fuel to a combustion chamber, a second injector mounted at the exhaust pipe and additionally injecting the fuel, a particulate filter mounted at the exhaust pipe downstream of the second injector and filtering particulate matters (PM) in the exhaust gas, a denitrification catalyst mounted at the exhaust pipe downstream of the particulate filter and reducing nitrogen oxide contained in the exhaust gas, and a control portion performing desulfurization of the denitrification catalyst when a desulfurization entering condition and a desulfurization condition are satisfied during regenerating the particulate filter.

    摘要翻译： 用于内燃机的排气净化系统及其脱硫方法通过去除排气系统中脱氮催化剂中毒的硫来回收脱氮催化剂的净化性能。 排气净化系统可以包括废气流过的排气管，在内燃机处产生的废气具有将燃料喷射到燃烧室的第一喷射器，安装在排气管处的第二喷射器，另外喷射 燃料，安装在第二喷射器下游的排气管和排气中的过滤颗粒物质（PM）的微粒过滤器，安装在微粒过滤器下游的排气管处并且还原废气中包含的氮氧化物的脱氮催化剂， 以及在再生所述微粒过滤器期间满足脱硫进入条件和脱硫条件时，进行脱氮催化剂的脱硫的控制部。

    Exhaust system
    3.
    发明授权
    Exhaust system 有权
    排气系统

    公开(公告)号：US08375704B2

    公开(公告)日：2013-02-19

    申请号：US12604054

    申请日：2009-10-22

    申请人： Jin Ha Lee ,  Jin Woo Park ,  Hyokyung Lee ,  Sangmin Lee ,  Jun Sung Park

    发明人： Jin Ha Lee ,  Jin Woo Park ,  Hyokyung Lee ,  Sangmin Lee ,  Jun Sung Park

    IPC分类号： F01N3/00

    CPC分类号： F01N3/0814 ,  F01N3/0253 ,  F01N3/035 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/106 ,  F01N3/2066 ,  F01N13/009 ,  F01N2240/30 ,  F01N2510/0684 ,  F01N2610/03 ,  Y02T10/24

    摘要： An exhaust system may include an exhaust line through which a combusted exhaust gas is exhausted outside, a nitrogen oxide purification catalyst that is mounted on the exhaust line and uses unburned fuel or hydrocarbon to reduce one part of the nitrogen oxide in the exhaust gas and diffuse the other part thereof to store therein, an injector that injects fuel into the exhaust line, a fuel cracking catalyst that is disposed between the injector and the nitrogen oxide purification catalyst to activate the additionally injected fuel from the injector through thermal decomposition so as to generate a reducing agent of high reactivity, and a control portion that controls the injector to additionally inject fuel in a predetermined condition such that the nitrogen oxide purification catalyst uses the activated reducing agent to detach and reduce the nitrogen oxide that is stored therein.

    摘要翻译： 排气系统可以包括排气管，燃烧废气通过该排气管排出外部，氮氧化物净化催化剂，其安装在排气管线上并且使用未燃烧的燃料或烃来减少废气中的一部分氮氧化物并且扩散 其另一部分存储在其中，将燃料喷射到排气管线中的喷射器，设置在喷射器和氮氧化物净化催化剂之间的燃料裂化催化剂，以通过热分解激活来自喷射器的额外喷射的燃料，从而产生 高反应性的还原剂，以及控制部，其控制喷射器在预定条件下额外喷射燃料，使得氮氧化物净化催化剂使用活化的还原剂来分离并还原其中存储的氮氧化物。

    Exhaust System
    4.
    发明申请
    Exhaust System 有权
    排气系统

    公开(公告)号：US20110023464A1

    公开(公告)日：2011-02-03

    申请号：US12604054

    申请日：2009-10-22

    申请人： Jin Ha LEE ,  Jin Woo Park ,  Hyokyung Lee ,  Sangmin Lee ,  Jun Sung Park

    发明人： Jin Ha LEE ,  Jin Woo Park ,  Hyokyung Lee ,  Sangmin Lee ,  Jun Sung Park

    IPC分类号： F01N9/00 ,  F01N3/10 ,  F01N3/04

    CPC分类号： F01N3/0814 ,  F01N3/0253 ,  F01N3/035 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/106 ,  F01N3/2066 ,  F01N13/009 ,  F01N2240/30 ,  F01N2510/0684 ,  F01N2610/03 ,  Y02T10/24

    摘要： An exhaust system may include an exhaust line through which a combusted exhaust gas is exhausted outside, a nitrogen oxide purification catalyst that is mounted on the exhaust line and uses unburned fuel or hydrocarbon to reduce one part of the nitrogen oxide in the exhaust gas and diffuse the other part thereof to store therein, an injector that injects fuel into the exhaust line, a fuel cracking catalyst that is disposed between the injector and the nitrogen oxide purification catalyst to activate the additionally injected fuel from the injector through thermal decomposition so as to generate a reducing agent of high reactivity, and a control portion that controls the injector to additionally inject fuel in a predetermined condition such that the nitrogen oxide purification catalyst uses the activated reducing agent to detach and reduce the nitrogen oxide that is stored therein.

    摘要翻译： 排气系统可以包括排气管，燃烧废气通过该排气管排出外部，氮氧化物净化催化剂，其安装在排气管线上并且使用未燃烧的燃料或烃来减少废气中的一部分氮氧化物并且扩散 其另一部分存储在其中，将燃料喷射到排气管线中的喷射器，设置在喷射器和氮氧化物净化催化剂之间的燃料裂化催化剂，以通过热分解激活来自喷射器的额外喷射的燃料，从而产生 高反应性的还原剂，以及控制部，其控制喷射器在预定条件下额外喷射燃料，使得氮氧化物净化催化剂使用活化的还原剂来分离并还原其中存储的氮氧化物。

    NOx reduction catalyst and exhaust system using the same
    5.
    发明授权
    NOx reduction catalyst and exhaust system using the same 有权
    NOx还原催化剂和使用其的排气系统

    公开(公告)号：US08128880B2

    公开(公告)日：2012-03-06

    申请号：US12604090

    申请日：2009-10-22

    申请人： Jin Ha Lee ,  Hyokyung Lee ,  Sangmin Lee ,  Jun Sung Park

    发明人： Jin Ha Lee ,  Hyokyung Lee ,  Sangmin Lee ,  Jun Sung Park

    IPC分类号： B01D50/00 ,  B01D29/06

    CPC分类号： B01D53/9418 ,  B01D53/9422 ,  B01D53/9468 ,  B01D2251/208 ,  B01D2255/102 ,  B01D2255/106 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01D2255/207 ,  B01D2255/50 ,  B01D2255/91 ,  B01J29/061 ,  B01J37/0244 ,  B01J37/0246

    摘要： An NOx reduction catalyst and an exhaust system using the same may include an NOx reduction catalyst mounted at an exhaust pipe through which exhaust gas passes, wherein the NOx reduction catalyst includes first and second catalyst layers coated on a carrier, the first catalyst layer being disposed close to the exhaust gas, and the second catalyst layer being disposed close to the carrier, wherein a portion of nitrogen oxide contained in the exhaust gas is oxidized while passing through the first catalyst layer, and the oxidized nitrogen oxide is stored in the second catalyst layer, wherein the nitrogen oxide stored in the second catalyst layer is released through a substitution reaction with an additionally injected fuel, and wherein the released nitrogen oxide is reduced by the additionally injected fuel in the first catalyst layer.

    摘要翻译： 使用其的NOx还原催化剂和排气系统可以包括安装在废气通过的排气管上的NOx还原催化剂，其中所述NOx还原催化剂包括涂覆在载体上的第一和第二催化剂层，所述第一催化剂层被设置 靠近废气，第二催化剂层设置在载体附近，其中包含在废气中的一部分氮氧化物在通过第一催化剂层时被氧化，并且氧化的氮氧化物被储存在第二催化剂 其中存储在所述第二催化剂层中的氮氧化物通过与另外注入的燃料的取代反应而释放，并且其中所述释放的氮氧化物通过在所述第一催化剂层中的另外喷射的燃料而被还原。

    EXHAUST SYSTEM
    6.
    发明申请
    EXHAUST SYSTEM 审中-公开
    排气系统

    公开(公告)号：US20110047984A1

    公开(公告)日：2011-03-03

    申请号：US12621263

    申请日：2009-11-18

    申请人： Jin Ha Lee ,  Jin Woo Park ,  Jun Sung Park

    发明人： Jin Ha Lee ,  Jin Woo Park ,  Jun Sung Park

    IPC分类号： F01N3/20 ,  B01D53/94 ,  B01D53/90

    CPC分类号： F01N3/206 ,  F01N11/002 ,  F01N11/007 ,  F01N2260/04 ,  F01N2560/025 ,  F01N2560/06 ,  F01N2610/04 ,  F01N2900/1602 ,  Y02T10/47

    摘要： An exhaust system, may include an exhaust line through which exhaust gas passes, a nitrogen oxide purification catalyst that is mounted on the exhaust line to reduce nitrogen oxide of the exhaust gas, an injector that is mounted at an upstream side of the nitrogen oxide purification catalyst to additionally inject fuel such that nitrogen oxide that is trapped in the nitrogen oxide purification catalyst is detached to be reduced thereby, and a control portion that varies an injection pattern of the injector if it is determined that a purification rate of the nitrogen oxide purification catalyst is higher than a first predetermined value.

    摘要翻译： 排气系统可以包括排气通过的排气管，安装在排气管上的氮氧化物净化催化剂，以减少排气的氮氧化物;安装在氮氧化物净化的上游侧的喷射器 催化剂，以附加地注入燃料，从而将氮氧化物净化催化剂中被捕获的氮氧化物分离，由此降低其控制部分，如果确定氮氧化物净化的净化速率，则改变喷射器的喷射模式 催化剂高于第一预定值。

    Exhaust gas aftertreatment method
    7.
    发明授权
    Exhaust gas aftertreatment method 有权
    废气后处理方法

    公开(公告)号：US08555620B2

    公开(公告)日：2013-10-15

    申请号：US13174291

    申请日：2011-06-30

    申请人： Jun Sung Park

    发明人： Jun Sung Park

    IPC分类号： F01N3/00

    CPC分类号： F01N11/002 ,  F01N9/002 ,  F01N2430/085 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1402 ,  F01N2900/1411 ,  F02D41/0055 ,  F02D41/0097 ,  F02D41/029 ,  F02D41/16 ,  F02D41/34 ,  Y02T10/47

    摘要： An exhaust gas aftertreatment method may include a regenerating a diesel particulate filter normally, accumulating a time from a point that the diesel particulate filter starts to be regenerated, determining whether the diesel particulate filter enters into an abnormal regeneration condition or not according to a predetermined condition of an engine, and regenerating the diesel particulate filter according to the abnormal regeneration logic, if the accumulated time is within a predetermined time in a condition that the abnormal regeneration condition is satisfied and regenerating the diesel particulate filter according to the normal regeneration logic, if the accumulated time is out of the predetermined time. Accordingly, if the time elapses a predetermined time from a point that that the diesel particulate filter starts to be regenerated, although the vehicle enters into the idle condition or the over-run condition, the abnormal regeneration logic is not performed such that the fuel consumption is saved and the diesel particulate filter is safely regenerated.

    摘要翻译： 废气后处理方法可以包括通常在柴油机微粒过滤器开始再生的时刻累积柴油机微粒过滤器，根据预定条件确定柴油机微粒过滤器是否进入异常再生状态 的发动机，并且如果在满足异常再生条件并根据正常再生逻辑再生柴油机微粒过滤器的情况下累积时间在预定时间内，则根据异常再生逻辑再生柴油机微粒过滤器，如果 累积时间超出预定时间。 因此，如果从柴油机微粒过滤器开始重新生成的时刻经过了预定时间，则虽然车辆进入怠速状态或过度运行状态，但不执行异常再生逻辑，使得燃料消耗 节省了柴油微粒过滤器的安全再生。

    SYSTEM FOR DESULFURIZING OXIDATION CATALYST AND METHOD THEREOF
    9.
    发明申请
    SYSTEM FOR DESULFURIZING OXIDATION CATALYST AND METHOD THEREOF 审中-公开
    用于除氧化催化剂的系统及其方法

    公开(公告)号：US20120102930A1

    公开(公告)日：2012-05-03

    申请号：US13182217

    申请日：2011-07-13

    申请人： Jun Sung Park

    发明人： Jun Sung Park

    IPC分类号： F01N3/10 ,  B01J38/02

    CPC分类号： F01N3/103 ,  F01N9/00 ,  F01N2570/04 ,  F01N2900/1612 ,  Y02T10/47

    摘要： A system and method for desulfurizing an oxidation catalyst enhances fuel economy and reduces noxious exhaust gas emission as a consequence of increasing desulfurization period of the oxidation catalyst or shortening desulfurization time by reflecting desulfurization history consisting of natural desulfurization occurrence. The method may include detecting an inlet temperature of the oxidation catalyst, estimating natural desulfurization according to the inlet temperature of the oxidation catalyst, and resetting desulfurization time or desulfurization period by reflecting the estimated natural desulfurization.

    摘要翻译： 用于脱硫氧化催化剂的系统和方法通过反映由天然脱硫发生的脱硫历史，由于氧化催化剂的脱硫时间的延长或脱硫时间缩短，从而提高了燃油经济性并减少了有害废气排放。 该方法可以包括检测氧化催化剂的入口温度，根据氧化催化剂的入口温度估计天然脱硫，并通过反映估计的天然脱硫来重新设定脱硫时间或脱硫时间。

    Solid SCR system and heating method for solid SCR reductant using the same
    10.
    发明授权
    Solid SCR system and heating method for solid SCR reductant using the same 有权
    固体SCR系统和使用其的固体SCR还原剂的加热方法

    公开(公告)号：US08893484B2

    公开(公告)日：2014-11-25

    申请号：US13309034

    申请日：2011-12-01

    申请人： Jun Sung Park

    发明人： Jun Sung Park

    IPC分类号： F01N3/00 ,  F01N3/20 ,  F01N5/02

    CPC分类号： F01N3/2066 ,  F01N5/02 ,  F01N2610/02 ,  F01N2610/10 ,  F01N2610/12 ,  F01N2610/14 ,  Y02T10/16 ,  Y02T10/24

    摘要： A solid SCR system includes solid state reductant, a container storing the solid state reductant, an exhaust pipe supplying gas state reductant converted from the solid state reductant and SCR catalyst disposed on the exhaust pipe, an exhaust heat recovery device disposed on the exhaust pipe and recovering waste heat from exhaust gas exhausted through the exhaust pipe and a heat exchanger connected to the exhaust heat recovery device and supplying the recovered heat to the solid state reductant.

    摘要翻译： 固体SCR系统包括固体还原剂，存储固态还原剂的容器，从固态还原剂转化的气态还原剂的排气管和排放管上设置的SCR催化剂，设置在排气管上的排气热回收装置， 从通过排气管排出的废气中回收废热，连接到排气热回收装置的热交换器，并将回收的热量供给固态还原剂。