公开(公告)号：US6101999A

公开(公告)日：2000-08-15

申请号：US276816

申请日：1999-03-26

申请人： Nobumoto Ohashi ,  Toshiaki Tanaka ,  Eiji Iwasaki ,  Shinya Hirota ,  Kouji Yoshizaki ,  Kazuhiro Itoh

发明人： Nobumoto Ohashi ,  Toshiaki Tanaka ,  Eiji Iwasaki ,  Shinya Hirota ,  Kouji Yoshizaki ,  Kazuhiro Itoh

IPC分类号： F02M25/07 ,  F01N3/08 ,  F01N3/20 ,  F01N3/24 ,  F02B3/06 ,  F02B47/08 ,  F02D21/08 ,  F02D41/02 ,  F02D41/04 ,  F02D41/38 ,  F02B17/00

CPC分类号： F02D41/3827 ,  F01N3/0842 ,  F02B47/08 ,  F02D41/0057 ,  F02D41/3064 ,  F02B3/06 ,  F02D2041/0022 ,  F02D2041/389 ,  F02D2200/0602 ,  F02D2250/31 ,  F02D2250/32 ,  F02D41/3845 ,  F02M26/15 ,  F02M26/23 ,  Y02T10/22 ,  Y02T10/47

摘要： A compression ignition type engine, wherein a first combustion where the amount of the recirculated exhaust gas supplied to the combustion chamber is larger than the amount of recirculated exhaust gas where the amount of production of soot peaks and almost no soot is produced and a second combustion where the amount of recirculated exhaust gas supplied to the combustion chamber is smaller than the amount of recirculated exhaust gas where the amount of production of soot peaks are selectively switched between and wherein the air-fuel ratio is temporarily made rich immediately before switching from the first combustion to the second combustion or immediately after switching from the second combustion to the first combustion.

摘要翻译： 一种压缩点火式发动机，其中，供给到所述燃烧室的再循环废气量大于产生烟灰产生量并且几乎不产生烟灰的再循环排气量的第一燃烧和第二燃烧 其中供应到燃烧室的再循环废气的量小于在其之间选择性地切换烟灰峰的产生量之间的再循环废气的量，并且其中空燃比在从第一 燃烧到第二燃烧或在从第二燃烧切换到第一燃烧之后。

公开(公告)号：US08783014B2

公开(公告)日：2014-07-22

申请号：US13394458

申请日：2009-09-10

申请人： Kazuhiro Itoh

发明人： Kazuhiro Itoh

IPC分类号： F01N3/00 ,  F02M25/07

CPC分类号： F02M25/0718 ,  F01N3/2066 ,  F01N3/208 ,  F01N2610/02 ,  F01N2610/1453 ,  F02M26/05 ,  F02M26/06 ,  F02M26/10 ,  F02M26/15 ,  F02M26/24 ,  Y02T10/121 ,  Y02T10/24

摘要： The present invention is intended to suppress the inflow of an ammonia derived compound to an EGR passage. In the present invention, in an exhaust system, there is arranged an ammonia derived compound addition means in such a position as to enable at least a part of the ammonia derived compound added therefrom to arrive at a connection portion of the EGR passage. Further, in the present invention, the inflow of the ammonia derived compound added from the ammonia derived compound addition means into the EGR passage is suppressed by a suppression means.

摘要翻译： 本发明旨在抑制氨衍生化合物流入EGR通道。 在本发明中，在排气系统中，配置有氨衍生化合物添加机构，使得能够使至少一部分氨衍生化合物添加到EGR通路的连接部。 此外，在本发明中，通过抑制手段抑制从氨衍生化合物添加装置添加的氨衍生化合物流入EGR通道。

公开(公告)号：US20120174562A1

公开(公告)日：2012-07-12

申请号：US13394631

申请日：2009-09-16

申请人： Kazuhiro Itoh

发明人： Kazuhiro Itoh

IPC分类号： F01N3/20

CPC分类号： F01N11/00 ,  F01N3/2066 ,  F01N3/208 ,  F01N9/005 ,  F01N11/005 ,  F01N13/0097 ,  F01N2560/025 ,  F01N2560/026 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/03 ,  F01N2900/0416 ,  F01N2900/0601 ,  F01N2900/1402 ,  F01N2900/1404 ,  F01N2900/1806 ,  Y02T10/24 ,  Y02T10/47

摘要： A detection unit that is arranged in an exhaust passage of an internal combustion engine configured to detect a state of the exhaust gas, addition unit configured to add the additive agent into the exhaust passage, a catalyst that is arranged at the downstream side of the detection unit and the addition unit so as to receive a supply of the additive agent from the addition unit, determination unit configured to determine whether detection accuracy of the detection unit drops due to the additive agent to be added from the addition unit, and stop unit configured to stop detection of the state of the exhaust gas by the detection unit in cases where it is determined by the determination unit that the detection accuracy of the detection unit drops.

摘要翻译： 一种检测单元，被配置在内燃机的排气通路中，该排气通路被构造成检测废气的状态，所述添加单元被配置为将所述添加剂添加到所述排气通道中，所述催化剂配置在所述检测的下游侧 单元和加法单元，以便从加法单元接收添加剂的供给;判定单元，被配置为确定检测单元的检测精度是否由于从添加单元添加的添加剂而下降，并且停止单元配置 在确定单元确定检测单元的检测精度下降的情况下，通过检测单元来停止检测排气的状态。

公开(公告)号：US20120167557A1

公开(公告)日：2012-07-05

申请号：US13395322

申请日：2009-09-10

申请人： Kazuhiro Itoh

发明人： Kazuhiro Itoh

IPC分类号： F01N11/00

CPC分类号： F01N3/2892 ,  F01N3/2066 ,  F01N13/008 ,  F01N2240/20 ,  F01N2610/02 ,  F01N2610/1453 ,  F01N2610/148 ,  Y02T10/24

摘要： A liquid additive agent added into an exhaust gas is suppressed from adhering to a sensor. Provision is made for a sensor that is arranged in an exhaust passage of an internal combustion engine; an addition valve that is arranged in the vicinity of or at the downstream side of the sensor in the direction of flow of the exhaust gas, and adds an additive agent into the exhaust passage; a catalyst that is arranged at the downstream side of the addition valve, and receives a supply of the additive agent from the addition valve; and pressure difference generation unit that makes a pressure of the exhaust gas in the surrounding of the sensor higher than a pressure thereof in the surrounding of the addition valve. A pressure difference is caused to generate so that the additive agent is suppressed from flowing toward the direction of the sensor.

摘要翻译： 添加到废气中的液体添加剂被抑制粘附到传感器。 设置在布置在内燃机的排气通道中的传感器; 在排气流动方向上配置在传感器附近或下游侧的加法阀，在排气通路中添加添加剂; 催化剂，其设置在所述加法阀的下游侧，并且从所述加法阀接收所述添加剂的供给; 以及压力差产生单元，其使传感器周围的排气的压力高于加法阀的周围的压力。 产生压力差，使得抑制添加剂向传感器的方向流动。

公开(公告)号：US08133444B2

公开(公告)日：2012-03-13

申请号：US12450604

申请日：2008-04-07

申请人： Shunsuke Toshioka ,  Tomihisa Oda ,  Kazuhiro Itoh

发明人： Shunsuke Toshioka ,  Tomihisa Oda ,  Kazuhiro Itoh

IPC分类号： B01D50/00

CPC分类号： F01N3/208 ,  B01D53/9409 ,  B01D53/944 ,  B01D53/9477 ,  B01D53/9495 ,  B01D53/96 ,  B01D2251/2067 ,  B01D2258/012 ,  F01N3/023 ,  F01N3/0231 ,  F01N3/0253 ,  F01N3/033 ,  F01N3/106 ,  F01N3/2066 ,  F01N9/002 ,  F01N13/009 ,  F01N2560/06 ,  F01N2570/10 ,  F01N2570/14 ,  F01N2570/18 ,  F01N2610/02 ,  F01N2900/1402 ,  F01N2900/1622 ,  Y02A50/2344 ,  Y02T10/24 ,  Y02T10/47

摘要： An object of the present invention is to suppress, in a system in which an NOx selective catalytic reduction catalyst and a particulate filter are provided in an exhaust passage of an internal combustion engine, discharge of ammonia from the NOx selective catalytic reduction catalyst. In the exhaust gas purification system for an internal combustion engine according to the present invention, when a condition for executing a filter temperature raising control is satisfied, the supply of urea to the NOx selective catalytic reduction catalyst by urea supply means is stopped, and the filter temperature raising control is executed by filter temperature raising means after a specific time has elapsed since the time of stoppage of the supply of urea to the NOx selective catalytic reduction catalyst.

摘要翻译： 本发明的目的在于，在内燃机的排气通路中设置NOx选择催化还原催化剂和微粒过滤器的系统中，从NOx选择催化还原催化剂排出氨。 在本发明的内燃机废气净化系统中，当满足进行过滤器升温控制的条件时，停止通过尿素供给机构向NOx选择催化还原催化剂的尿素供给， 过滤器升温控制在从尿素供应停止到NOx选择催化还原催化剂的时间经过一定时间之后由过滤器升温装置执行。

公开(公告)号：US08132403B2

公开(公告)日：2012-03-13

申请号：US12450612

申请日：2008-04-07

申请人： Shunsuke Toshioka ,  Tomihisa Oda ,  Kazuhiro Itoh

发明人： Shunsuke Toshioka ,  Tomihisa Oda ,  Kazuhiro Itoh

IPC分类号： F01N3/00 ,  F01N3/10

CPC分类号： F01N3/206 ,  B01D53/30 ,  B01D53/9409 ,  B01D53/944 ,  B01D53/9477 ,  B01D53/9495 ,  B01D2251/2067 ,  B01D2258/012 ,  F01N3/2066 ,  F01N11/00 ,  F01N13/009 ,  F01N2560/026 ,  F01N2570/145 ,  F01N2610/02 ,  F01N2900/1616 ,  Y02A50/2344 ,  Y02C20/10 ,  Y02T10/24 ,  Y02T10/47

摘要： An object of the invention is to estimate the quantity of N2O produced in an ammonia oxidation catalyst in a case where the ammonia oxidation catalyst is provided in an exhaust passage of an internal combustion engine. In a case where an ammonia oxidation catalyst having the function of oxidizing ammonia is provided in an exhaust passage of an internal combustion engine, the quantity of N2O produced in the ammonia oxidation catalyst is estimated based on the difference between a measurement value of an upstream NOx sensor provided in the exhaust passage upstream of the ammonia oxidation catalyst and a measurement value of a downstream NOx sensor provided in the exhaust passage downstream of the ammonia oxidation catalyst.

摘要翻译： 本发明的目的是估计在内燃机的排气通道中设置氨氧化催化剂的情况下，在氨氧化催化剂中产生的N 2 O的量。 在内燃机的排气通道中设置具有氧化氨功能的氨氧化催化剂的情况下，氨氧化催化剂中产生的N 2 O的量根据上游NOx的测定值 设置在氨氧化催化剂上游侧的排气通路中的传感器以及设置在氨氧化催化剂下游的排气路径中的下游NOx传感器的测定值。

公开(公告)号：US06955041B2

公开(公告)日：2005-10-18

申请号：US10090781

申请日：2002-03-06

申请人： Shinichi Takeshima ,  Shinya Hirota ,  Kazuhiro Itoh ,  Takamitsu Asanuma ,  Yasuaki Nakano ,  Kohei Yoshida

发明人： Shinichi Takeshima ,  Shinya Hirota ,  Kazuhiro Itoh ,  Takamitsu Asanuma ,  Yasuaki Nakano ,  Kohei Yoshida

IPC分类号： F01N3/02 ,  B01D39/14 ,  B01D53/94 ,  B01J19/08 ,  C01B13/02 ,  F01N3/023 ,  F01N3/08 ,  F01N3/10 ,  F01N3/24 ,  F01N3/28 ,  F01N9/00 ,  F01N11/00 ,  F01N3/00

CPC分类号： F01N3/0842 ,  B01D53/9431 ,  B01D2259/818 ,  F01N3/0231 ,  F01N3/0814 ,  F01N3/0821 ,  F01N3/0871 ,  F01N3/0892 ,  F01N9/00 ,  F01N11/00 ,  F01N2240/28 ,  F01N2560/028 ,  Y02T10/47

摘要： An exhaust gas purifying apparatus for an internal combustion engine, wherein the efficiency of exhaust gas purification is enhanced by optimally controlling the operating condition of a plasma generator mounted in an exhaust passage in accordance with the exhaust gas atmosphere. The exhaust gas purifying apparatus includes a detection unit for detecting exhaust water content and exhaust temperature; and a control unit for controlling at least one of two factors, frequency or voltage of an AC voltage used to operate the plasma generator mounted in the exhaust passage, in accordance with the detected exhaust water content and exhaust temperature.

摘要翻译： 一种用于内燃机的废气净化装置，其中通过根据废气气氛优化地控制安装在排气通道中的等离子体发生器的运行状态来提高废气净化的效率。 废气净化装置具有检测废气含量和废气温度的检测单元， 以及控制单元，用于根据检测到的废水含量和排气温度来控制用于操作安装在排气通道中的等离子体发生器的AC电压的频率或电压的两个因素中的至少一个。

公开(公告)号：US06681566B2

公开(公告)日：2004-01-27

申请号：US10455383

申请日：2003-06-06

申请人： Kazuhiro Itoh ,  Toshiaki Tanaka ,  Shinya Hirota ,  Takamitsu Asanuma ,  Koichi Kimura ,  Koichiro Nakatani

发明人： Kazuhiro Itoh ,  Toshiaki Tanaka ,  Shinya Hirota ,  Takamitsu Asanuma ,  Koichi Kimura ,  Koichiro Nakatani

IPC分类号： F01N300

CPC分类号： B01D46/0067 ,  B01D46/0036 ,  B01D46/0039 ,  B01D46/0041 ,  B01D46/24 ,  B01D46/2418 ,  B01D46/46 ,  B01D53/9431 ,  B01D2046/2492 ,  F01N3/021 ,  F01N3/0222 ,  F01N3/023 ,  F01N3/0233 ,  F01N3/0235 ,  F01N3/0253 ,  F01N3/031 ,  F01N3/035 ,  F01N3/0814 ,  F01N3/0821 ,  F01N3/0842 ,  F01N2410/00 ,  F01N2570/16 ,  F01N2610/03 ,  F02B23/06 ,  F02B23/0621 ,  F02B23/0669 ,  F02B23/0672 ,  F02B37/00 ,  F02F2001/247 ,  F02M26/05 ,  F02M26/10 ,  F02M26/23 ,  F02M26/26 ,  F02M26/28 ,  F02M26/33 ,  Y02T10/125

摘要： An exhaust purifying method and apparatus of an internal combustion engine are provided with an exhaust switch valve for switching a flow of exhaust gas flowing into an exhaust filter. By switching the exhaust switch valve, the exhaust gas is fed from one side and the other side of the filter, thereby stirring the soot (particulates) in the exhaust gas deposited on the filter having a NOx absorbent and an active-oxygen discharging agent supported thereon. Thus, the soot in the exhaust gas is continuously burned. Moreover, the switching of the exhaust switch valve and the rich spike are inhibited from being conducted simultaneously. In the case where the rich spike is conducted in order to discharge and reduce NOx absorbed in the NOx absorbent, the exhaust gas containing a large amount of HC and CO can be prevented from being discharged into the atmosphere without being purified.

摘要翻译： 内燃机的排气净化方法和装置设置有用于切换流入排气过滤器的废气流的排气切换阀。 通过切换排气开关阀，排气从过滤器的一侧和另一侧进料，从而搅拌沉积在具有NOx吸收剂的过滤器上的废气中的烟灰（微粒）和负载的活性氧排放剂 上。 因此，排气中的烟灰不断燃烧。 此外，排气开关阀和丰富尖峰的切换被抑制同时进行。 为了排出和减少吸收在NOx吸收剂中的NOx而进行浓穗的处理，可以防止含有大量HC，CO的废气排出到大气中而不被净化。

公开(公告)号：US06672050B2

公开(公告)日：2004-01-06

申请号：US10232360

申请日：2002-09-03

申请人： Hiroki Murata ,  Toshio Suematsu ,  Shizuo Sasaki ,  Kohei Igarashi ,  Shinya Hirota ,  Kazuhiro Itoh ,  Takamitsu Asanuma ,  Shunsuke Toshioka ,  Koichi Kimura ,  Akira Mikami ,  Hiroyuki Nagareda

发明人： Hiroki Murata ,  Toshio Suematsu ,  Shizuo Sasaki ,  Kohei Igarashi ,  Shinya Hirota ,  Kazuhiro Itoh ,  Takamitsu Asanuma ,  Shunsuke Toshioka ,  Koichi Kimura ,  Akira Mikami ,  Hiroyuki Nagareda

IPC分类号： F01N300

CPC分类号： B60W10/06 ,  B60K6/485 ,  B60L15/2045 ,  B60L2240/36 ,  B60L2240/423 ,  B60L2240/443 ,  B60L2270/12 ,  F02D41/024 ,  F02D41/0255 ,  F02D41/0275 ,  F02D41/029 ,  F02D41/083 ,  F02D41/1446 ,  F02D41/187 ,  F02D2041/026 ,  F02D2041/389 ,  F02D2200/0802 ,  F02D2200/0812 ,  F02D2250/18 ,  F02M26/06 ,  F02M26/15 ,  Y02T10/26 ,  Y02T10/6226 ,  Y02T10/645 ,  Y02T10/72 ,  Y02T10/7283

摘要： An exhaust gas purification device of an engine comprising a particulate filter arranged in an exhaust passage. An electric motor able to impart a vehicle drive power separate from the engine and able to generate electric power from the engine is provided. After the particulate filter finishes being warmed up, when the temperature of the particulate filter is low, the output torque of the engine is increased and the amount of increase of the output torque is consumed by the power generating action of the electric motor.

摘要翻译： 一种发动机的排气净化装置，其包括布置在排气通道中的颗粒过滤器。 提供能够赋予与发动机分离并能够从发动机产生电力的车辆驱动力的电动机。 在颗粒过滤器完成加热之后，当微粒过滤器的温度低时，发动机的输出扭矩增加，并且由电动机的发电动作消耗输出转矩的增加量。

公开(公告)号：US06655133B2

公开(公告)日：2003-12-02

申请号：US10106239

申请日：2002-03-27

申请人： Akira Mikami ,  Shinya Hirota ,  Kazuhiro Itoh ,  Takamitsu Asanuma ,  Koichi Kimura ,  Shunsuke Toshioka ,  Koichiro Nakatani ,  Toshiaki Tanaka ,  Masato Gotoh ,  Takekazu Ito

发明人： Akira Mikami ,  Shinya Hirota ,  Kazuhiro Itoh ,  Takamitsu Asanuma ,  Koichi Kimura ,  Shunsuke Toshioka ,  Koichiro Nakatani ,  Toshiaki Tanaka ,  Masato Gotoh ,  Takekazu Ito

IPC分类号： F01N300

CPC分类号： F01N3/2046 ,  F01N3/023 ,  F01N3/0233 ,  F01N3/031 ,  F01N3/035 ,  F01N3/0821 ,  F01N3/2006 ,  F01N3/2828 ,  F01N9/002 ,  F01N13/0097 ,  F01N2250/02 ,  F01N2330/06 ,  F01N2510/065 ,  F01N2570/16 ,  Y02T10/26 ,  Y02T10/47

摘要： An exhaust gas purifier includes a particulate filter for oxidizing collected particulates, a reversing device that reverses an exhaust gas upstream side and an exhaust gas downstream side of the particulate filter. The particulate filter includes a collecting wall for collecting the particulates, which includes a first collecting surface and a second collecting surface. The first and the second collecting surfaces are alternately used for collecting the particulates by the reversing device. The catalyst device is arranged adjacent to the particulate filter at a position always being at the downstream side of the particulate filter.