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    Detector for detecting sulfur components
    102.
    发明授权
    Detector for detecting sulfur components 失效
    用于检测硫成分的检测器

    公开(公告)号：US08621852B2

    公开(公告)日：2014-01-07

    申请号：US13322293

    申请日：2009-11-26

    申请人： Katsuhiko Oshikawa ,  Takamitsu Asanuma ,  Hiromasa Nishioka ,  Yoshihisa Tsukamoto ,  Hiroshi Otsuki ,  Junichi Matsuo ,  Kazuhiro Umemoto

    发明人： Katsuhiko Oshikawa ,  Takamitsu Asanuma ,  Hiromasa Nishioka ,  Yoshihisa Tsukamoto ,  Hiroshi Otsuki ,  Junichi Matsuo ,  Kazuhiro Umemoto

    IPC分类号： F01N3/00

    CPC分类号： G01N33/0042 ,  G01N25/4873 ,  Y02A50/248

    摘要： The present detector for detecting sulfur components includes a storage portion for storing SOx and NOx in the exhaust gas passing through an exhaust passage, in which the more an amount of stored SOx increases, the more an amount of stored NOx decreases, and which does not release SOx but release NOx at a set temperature, and a temperature sensor, estimates the amount of stored SOx on the basis of a relationship between, after the storage portion becomes the set temperature by heating, a heating pattern of the storage portion and temperature change of the storage portion measured by the temperature sensor, and detects an integrated amount of SOx passing through the exhaust passage during a given period or an value on the basis of the integrated amount.

    摘要翻译： 用于检测硫成分的本检测器包括用于在通过排气通道的废气中存储SO x和NO x的储存部分，其中储存的SO x的量越多，存储的NOx的量越多，并且不存在 释放SO x，但在设定温度下释放NOx，并且温度传感器基于存储部分通过加热而变为设定温度之间的关系，存储部分的加热模式和温度变化之间的关系来估计存储的SO x的量 由所述温度传感器测量的所述存储部分，并且在给定期间内检测通过所述排气通道的SO x的积分量或基于所述积分量的值。

    EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
    104.
    发明申请
    EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE 审中-公开
    内燃机排气净化系统

    公开(公告)号：US20120180462A1

    公开(公告)日：2012-07-19

    申请号：US13496390

    申请日：2009-10-09

    申请人： Takamitsu Asanuma ,  Hiromasa Nishioka ,  Yoshihisa Tsukamoto ,  Junichi Matsuo ,  Kazuhiro Umemoto

    发明人： Takamitsu Asanuma ,  Hiromasa Nishioka ,  Yoshihisa Tsukamoto ,  Junichi Matsuo ,  Kazuhiro Umemoto

    IPC分类号： F01N3/24

    CPC分类号： F01N13/02 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/2066 ,  F01N3/2073 ,  F01N2900/1404 ,  Y02T10/24

    摘要： An exhaust purification system of an internal combustion engine has a selective reduction type NOX catalyst device which can hold ammonia and a storage reduction type NOX catalyst device which is arranged at an upstream side of the selective reduction type NOX catalyst device, which makes an air-fuel ratio of exhaust gas which flows into the storage reduction type NOX catalyst device change from a lean air-fuel ratio to a rich air-fuel ratio for starting an ammonia generation period, and which makes an air-fuel ratio of exhaust gas which flows into the storage reduction type NOX catalyst device change from a rich air-fuel ratio to a lean air-fuel ratio for ending the ammonia generation period.

    摘要翻译： 内燃机的排气净化系统具有能够容纳氨的选择还原型NO x催化剂装置和配置在选择还原型NO X催化剂装置的上游侧的储存还原型NO x催化剂装置， 流入储存还原型NO x催化剂装置的废气的燃料比从稀空燃比变为用于开始氨生成期间的浓空燃比，并且使流动的排气的空燃比 进入储存还原型NO x催化剂装置从富空燃比变为稀空燃比以终止氨生成周期。

    EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
    105.
    发明申请
    EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE 失效
    内燃机排气净化系统

    公开(公告)号：US20120047878A1

    公开(公告)日：2012-03-01

    申请号：US13318992

    申请日：2009-05-07

    申请人： Kohei Yoshida ,  Takamitsu Asanuma ,  Masahide Iida ,  Yuichi Sobue

    发明人： Kohei Yoshida ,  Takamitsu Asanuma ,  Masahide Iida ,  Yuichi Sobue

    IPC分类号： F01N9/00

    CPC分类号： F02D41/028 ,  F01N3/035 ,  F01N3/0842 ,  F01N3/0885 ,  F01N3/106 ,  F02D2200/0818

    摘要： An exhaust purification system of an internal combustion engine includes an NOX storage reduction catalyst device which is arranged in an engine exhaust passage. The NO storage reduction catalyst device stores SOX simultaneously with NOX. When the stored SOX amount exceeds a predetermined allowable amount, the SOX is made to be released by SOX release control which raises the temperature of the NOX catalyst device to the SOX releasable temperature, then makes the air-fuel ratio of the exhaust gas which flows into the NOX catalyst device the stoichiometric air-fuel ratio or rich. The NOX catalyst device has a residual SOX storage amount which finally remains even if performing SOX release control depending on the temperature of the NOX catalyst device when performing SOX release control. The system uses the residual SOX storage amount of the current SOX release control as the basis to calculate the SOX release speed at each timing in the current SOX release control.

    摘要翻译： 内燃机的排气净化系统包括设置在发动机排气通路内的NO x储存还原催化剂装置。 NO储存还原催化剂装置与NOX同时存储SOX。 当储存的SOX量超过预定的允许量时，通过SOX释放控制使SOX释放，NOX释放控制使NOX催化剂装置的温度升高到SOX可释放温度，然后使流动的废气的空燃比 进入NOX催化装置的化学计量空燃比或浓度。 即使在进行SOX释放控制时，根据NO x催化剂装置的温度进行SOX释放控制，NO X催化剂装置仍具有残留的SO x储存量。 该系统使用当前SOX释放控制的剩余SOX存储量作为在当前SOX释放控制中的每个定时计算SOX释放速度的基础。

    EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
    107.
    发明申请
    EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE 有权
    内燃机排气净化系统

    公开(公告)号：US20110209462A1

    公开(公告)日：2011-09-01

    申请号：US12673888

    申请日：2009-06-15

    申请人： Takamitsu Asanuma ,  Kohei Yoshida ,  Hiromasa Nishioka ,  Daichi Imai ,  Kazuhiro Umemoto

    发明人： Takamitsu Asanuma ,  Kohei Yoshida ,  Hiromasa Nishioka ,  Daichi Imai ,  Kazuhiro Umemoto

    IPC分类号： F01N3/10 ,  F01N3/20

    CPC分类号： F01N3/0871 ,  B01D53/9409 ,  B01D2251/208 ,  B01D2255/91 ,  B01D2257/402 ,  B01D2257/404 ,  B01D2258/012 ,  F01N3/0828 ,  F01N3/36 ,  F01N2570/145 ,  F01N2610/03 ,  Y02A50/2344 ,  Y02C20/10 ,  Y02T10/20

    摘要： In an exhaust purification system of an internal combustion engine, comprising a NOX catalyst device, which can satisfactorily store NOX in the exhaust gas when the concentration of oxygen in the exhaust gas is high and can release the stored NOX and purify the released NOX to N2 by reducing materials in the exhaust gas when the concentration of oxygen is decreased as a regeneration treatment, the regeneration treatment is carried out to change a combustion air-fuel ratio from a lean air-fuel ratio to a set rich air-fuel ratio, and N2O reducing material is supplied to the NOX catalyst device during at least one of a first period set within a period in which an air-fuel ratio in the exhaust gas within said NOX catalyst device changes from the lean air-fuel ratio to the set rich air-fuel ratio when the regeneration treatment is started and a second period set within a period after an air-fuel ratio in the exhaust gas within the NOX catalyst device becomes the stoichiometric air-fuel ratio when the regeneration treatment is finished.

    摘要翻译： 在内燃机的排气净化系统中，包括NO x催化剂装置，当废气中的氧浓度高时能够令人满意地将NO x储存在排气中，能够释放储存的NO x并将释放的NO x净化为N2 当通过再生处理使氧气浓度降低时，通过减少废气中的材料，进行再生处理，以将燃烧空燃比从稀空燃比变为浓空燃比，并且 在所述NO x催化剂装置内的排​​气中的空燃比从所述稀空燃比变为所述浓空燃比的期间内设定的第一期间中的至少一个中，向所述NO x催化剂装置供给N 2 O还原材料 当再生处理开始时的空燃比和在NO x催化剂装置内的排​​气中的空燃比后的期间内设定的第二期间成为理论空燃比 o当再生处理完成时。

    Exhaust gas control apparatus for internal combustion engine
    109.
    发明申请
    Exhaust gas control apparatus for internal combustion engine 审中-公开
    内燃机排气控制装置

    公开(公告)号：US20090107121A1

    公开(公告)日：2009-04-30

    申请号：US12289239

    申请日：2008-10-23

    申请人： Kohei Yoshida ,  Takamitsu Asanuma ,  Hiromasa Nishioka ,  Hiroshi Otsuki ,  Yuka Nakata

    发明人： Kohei Yoshida ,  Takamitsu Asanuma ,  Hiromasa Nishioka ,  Hiroshi Otsuki ,  Yuka Nakata

    IPC分类号： F01N9/00

    CPC分类号： F01N3/0814 ,  F01N3/0842 ,  F01N3/0885 ,  F01N3/2066 ,  F01N11/00 ,  F01N13/009 ,  F01N2240/00 ,  F01N2570/04 ,  F01N2570/14 ,  F01N2610/02 ,  Y02A50/2344 ,  Y02T10/24 ,  Y02T10/47

    摘要： A SOx trap catalyst, an oxidation catalyst, a particulate filter, an aqueous urea supply valve, and a NOx selective reduction catalyst are arranged in order from upstream to downstream in an engine exhaust passage. It is determined whether a discharge concentration of hydrogen sulfide H2S will become equal to or greater than a preset maximum concentration when SOx is released from the SOx trap catalyst. If it is estimated that the discharge concentration of the hydrogen sulfide H2S will become equal to or greater than the maximum concentration when SOx is released, an adsorbed ammonia amount adsorbed on the NOx selective reduction catalyst is reduced before SOx is released so that the discharge concentration of the hydrogen sulfide H2S is less than the maximum concentration when SOx is released.

    摘要翻译： 在发动机排气通道中从上游到下游依次布置有SO x捕集催化剂，氧化催化剂，颗粒过滤器，含水尿素供给阀和NOx选择还原催化剂。 当SO x从SO X捕集催化剂释放时，确定硫化氢H 2 S的排出浓度是否将变为等于或大于预设最大浓度。 如果估计硫化氢H 2 S的排放浓度将变为等于或大于SO x释放时的最大浓度，则在释放SOx之前吸附在NOx选择还原催化剂上的吸附氨量降低，使得排放浓度 的硫化氢H2S小于SOx释放时的最大浓度。

    Exhaust gas control apparatus and exhaust gas control method for internal combustion engine
    110.
    发明授权
    Exhaust gas control apparatus and exhaust gas control method for internal combustion engine 有权
    内燃机排气控制装置及排气控制方法

    公开(公告)号：US07409822B2

    公开(公告)日：2008-08-12

    申请号：US10568351

    申请日：2005-06-09

    申请人： Takamitsu Asanuma

    发明人： Takamitsu Asanuma

    IPC分类号： F01N3/00

    CPC分类号： F02D41/028 ,  F01N3/0842 ,  F01N3/085 ,  F01N3/0885 ,  F01N2570/04 ,  F02B37/00 ,  F02B2275/14 ,  F02D41/1444 ,  F02D2200/0818 ,  F02M26/05 ,  F02M26/10 ,  F02M26/23

    摘要： An exhaust gas control apparatus for an internal combustion engine is provided with an exhaust catalyst disposed in an exhaust passage (4) of the internal combustion engine, a concentration detection unit (10) that is capable of detecting a total concentration of a sulfur oxide and a hydrogen sulfide contained in an exhaust gas that passes through the exhaust catalyst, and detecting a concentration of the sulfur oxide, and a sulfur concentration estimation unit (15) that estimates a concentration of sulfur contained in a fuel based on a detection value of the concentration detection unit (10) when it is determined that the exhaust gas is at one of a stoichiometric and rich air/fuel ratio.

    摘要翻译： 一种用于内燃机的排气控制装置设置有设置在内燃机的排气通道（4）中的排气催化剂，浓度检测单元（10），其能够检测硫氧化物的总浓度， 包含在通过排气催化剂的排气中的硫化氢和检测硫氧化物的浓度的硫浓度估计单元（15），以及基于检测值的硫浓度估计单元（15），其估计燃料中含有的硫的浓度 当确定废气处于化学计量和浓空气/燃料比之一时，浓度检测单元（10）。