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    Device for purifying exhaust gas of an internal combustion engine
    2.
    发明授权
    Device for purifying exhaust gas of an internal combustion engine 有权
    一种用于净化内燃机废气的装置

    公开(公告)号：US09145810B2

    公开(公告)日：2015-09-29

    申请号：US13141253

    申请日：2010-01-08

    申请人： Yuki Bisaiji ,  Koichiro Fukuda ,  Kazuhiro Itoh

    发明人： Yuki Bisaiji ,  Koichiro Fukuda ,  Kazuhiro Itoh

    IPC分类号： F01N3/00 ,  F01N3/36 ,  F01N3/20 ,  F01N13/02 ,  F01N3/035

    CPC分类号： F01N3/36 ,  F01N3/035 ,  F01N3/208 ,  F01N13/02 ,  F01N2470/18 ,  F01N2610/00 ,  F01N2610/1453 ,  Y02T10/24

    摘要： To homogeneously diffuse, in the exhaust gas, an additive that is fed into a device for purifying exhaust gas of an internal combustion engine. An upstream device for purifying exhaust gas and a downstream device for purifying exhaust gas are connected together through an exhaust pipe having a sectional area smaller than that of the upstream device for purifying exhaust gas and that of the downstream device for purifying exhaust gas, a connection passage portion is provided to connect the exhaust outlet of a catalyst in the upstream device for purifying exhaust gas to the exhaust pipe, the connection passage portion being so formed that the center axis of the upstream device for purifying exhaust gas in the direction in which the exhaust gas flows is not aligned with the center axis of the exhaust pipe in the direction in which the exhaust gas flows, injection means is arranged in the connection passage portion to inject the additive into the exhaust passage so that the additive arrives at the opposing wall surface of the connection passage portion.

    摘要翻译： 为了在排气中均匀地扩散被添加到用于净化内燃机的废气的装置中的添加剂。 用于净化废气的上游装置和用于净化废气的下游装置通过排气管连接在一起，该排气管的截面积小于用于净化废气的上游装置的排气管和排气净化的下游装置， 设置通路部，将用于净化废气的上游装置中的催化剂的排气口与排气管连接，连接通路部分形成为使排气净化的上游装置的中心轴线沿着 废气流不与废气流动方向上的排气管的中心轴对准，喷射装置设置在连接通道部分中，以将添加剂注入排气通道，使得添加剂到达相对的壁 连接通道部分的表面。

    EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
    3.
    发明申请
    EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE 有权
    用于内燃机的排气控制装置

    公开(公告)号：US20140112833A1

    公开(公告)日：2014-04-24

    申请号：US14110895

    申请日：2011-07-04

    申请人： Takanori Nakano ,  Haruyuki Katayama ,  Shinya Hirota ,  Shunsuke Toshioka ,  Koichiro Fukuda

    发明人： Takanori Nakano ,  Haruyuki Katayama ,  Shinya Hirota ,  Shunsuke Toshioka ,  Koichiro Fukuda

    IPC分类号： B01D53/94

    CPC分类号： B01D53/9459 ,  B01D53/9431 ,  B01D53/9495 ,  B01D2251/2067 ,  B01D2255/904 ,  F01N3/035 ,  F01N3/108 ,  F01N3/2066 ,  F01N13/008 ,  F01N13/009 ,  F01N13/0093 ,  F01N2560/05 ,  F01N2610/02 ,  Y02T10/24

    摘要： The purpose of the present invention is to suppress degradation of a PM sensor and a decrease in detection accuracy of the amount of PM in a configuration in which a urea addition unit and a selective reduction-type NOx catalyst (NOx catalyst) are provided downstream of a particulate filter (filter) in an internal corn engine exhaust passage, the PM sensor being disposed downstream of the filter. According to the present invention, in an exhaust passage (2) of an internal combustion engine (1), a first NOx catalyst (4) and a second NOx catalyst (5) are disposed downstream of a fitter (3) successively from the upstream side along the flow of exhaust. A urea addition unit (6) is disposed between the filter (3) and the first NOx catalyst (4). A PM sensor (7) is disposed between the first NOx catalyst (4) and the second NOx catalyst (5).

    摘要翻译： 下游的尿素添加单元和选择还原型NOx催化剂（NOx催化剂）的配置中，本发明的目的是抑制PM传感器的劣化和PM的量的检测精度的降低 在内部玉米发动机排气通道中的微粒过滤器（过滤器），PM传感器设置在过滤器的下游。 根据本发明，在内燃机（1）的排气通路（2）中，第一NOx催化剂（4）和第二NOx催化剂（5）从上游依次配置在钳具（3）的下游 沿着排气流。 尿素添加单元（6）设置在过滤器（3）和第一NOx催化剂（4）之间。 PM传感器（7）设置在第一NOx催化剂（4）和第二NOx催化剂（5）之间。

    Exhaust gas purification apparatus of an internal combustion engine
    4.
    发明授权
    Exhaust gas purification apparatus of an internal combustion engine 有权
    内燃机废气净化装置

    公开(公告)号：US08409536B2

    公开(公告)日：2013-04-02

    申请号：US13395766

    申请日：2010-05-14

    申请人： Koichiro Fukuda ,  Shinya Hirota ,  Shunsuke Toshioka ,  Sakutaro Hoshi

    发明人： Koichiro Fukuda ,  Shinya Hirota ,  Shunsuke Toshioka ,  Sakutaro Hoshi

    IPC分类号： B01D53/56 ,  B01D53/94 ,  F01N3/10

    CPC分类号： F01N3/208 ,  B01D53/90 ,  B01D53/9431 ,  B01D2251/2067 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/911 ,  F01N2560/026 ,  F01N2610/02 ,  F01N2610/146 ,  F01N2900/0408 ,  F01N2900/1402 ,  F01N2900/1622 ,  Y02T10/24

    摘要： A technique that, in an exhaust gas purification apparatus of an internal combustion engine, can avoid a decrease in a NOx purification rate by adding a reducing agent as continuously as possible, while avoiding NH3 from passing through a selective reduction type NOx catalyst to a downstream side thereof. The selective reduction type NOx catalyst has an active spot which purifies NOx by the use of NH3, and an adsorption site which adsorbs NH3, wherein a vicinity site, which is located in the vicinity of the active spot, and a distant site, which is located distant from the active spot, exist in the adsorption site. The addition of the reducing agent from the reducing agent addition part is controlled based on the desorption rate of NH3 in the vicinity site so as to continue to cause the NH3 adsorbed to the vicinity site to exist.

    摘要翻译： 一种在内燃机的排气净化装置中，通过尽可能连续地添加还原剂，能够避免NH 3通过选择还原型NOx催化剂到下游的NOx排出净化装置的技术 侧。 选择还原型NOx催化剂具有通过使用NH 3净化NOx的活性点和吸附NH 3的吸附位置，其中位于活性点附近的附近位置和远离位置是 位于远离活性斑点，存在于吸附位点。 还原剂从还原剂添加部分的添加基于邻近位置处的NH 3的解吸速率进行控制，从而继续存在吸附在附近的NH 3。

    EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE
    5.
    发明申请
    EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE 有权
    用于内燃机的排气净化装置

    公开(公告)号：US20110192150A1

    公开(公告)日：2011-08-11

    申请号：US12674111

    申请日：2008-08-06

    申请人： Yuki Bisaiji ,  Koichiro Fukuda ,  Mikio Inoue ,  Satoru Nitta ,  Kiyohiko Nagae

    发明人： Yuki Bisaiji ,  Koichiro Fukuda ,  Mikio Inoue ,  Satoru Nitta ,  Kiyohiko Nagae

    IPC分类号： F01N3/04

    CPC分类号： B01F5/0473 ,  B01F3/04049 ,  B01F5/0268 ,  F01N3/0253 ,  F01N3/035 ,  F01N3/0814 ,  F01N3/2066 ,  F01N2240/20 ,  F01N2610/02 ,  F01N2610/03 ,  F01N2610/102 ,  Y02T10/24

    摘要： In an exhaust gas purification apparatus for an internal combustion engine, reducing agent is diffused and the exhaust resistance is made small. The apparatus includes a reducing agent addition valve that injects reducing agent, a reducing agent addition valve mount portion that has a space in which the reducing agent addition valve injects the reducing agent outside a stream of exhaust gas flowing in an exhaust passage of an internal combustion engine and on which the reducing agent addition valve is mounted, and an impingement portion that is provided in the reducing agent addition valve mount portion and on which the reducing agent injected through the reducing agent addition valve impinges, wherein the direction of injection of the reducing agent from the reducing agent addition valve is oriented toward the impingement portion, and toward downstream of the reducing agent addition valve with respect to the exhaust gas flow.

    摘要翻译： 在内燃机的废气净化装置中，还原剂扩散，排气阻力变小。 该装置包括注入还原剂的还原剂添加阀，还原剂添加阀安装部分，其具有空间，还原剂添加阀将还原剂注入到在内燃机的排气通道中流动的排气流之外 发动机，并且安装有还原剂添加阀的冲击部分和设置在还原剂添加阀安装部分中并且通过还原剂添加阀喷射的还原剂撞击的冲击部分，其中， 来自还原剂添加阀的试剂朝向冲击部，朝向排气流的还原剂添加阀的下游。

    Air fuel ratio control apparatus for an internal combustion engine
    6.
    发明申请
    Air fuel ratio control apparatus for an internal combustion engine 有权
    用于内燃机的空燃比控制装置

    公开(公告)号：US20050076635A1

    公开(公告)日：2005-04-14

    申请号：US10956113

    申请日：2004-10-04

    申请人： Kingo Suyama ,  Koichiro Fukuda

    发明人： Kingo Suyama ,  Koichiro Fukuda

    IPC分类号： F02D45/00 ,  F01N3/08 ,  F01N3/20 ,  F01N3/24 ,  F01N3/28 ,  F01N3/36 ,  F01N9/00 ,  F02D41/04 ,  F02D41/14 ,  F02D41/22

    CPC分类号： F01N3/0885 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/2033 ,  F01N3/36 ,  F01N9/005 ,  F01N2570/04 ,  F01N2570/14 ,  F01N2610/03 ,  F01N2610/1493 ,  F01N2900/1602 ,  F02D41/1454 ,  F02D2200/0802 ,  Y02T10/47

    摘要： An air fuel ratio control apparatus for an internal combustion engine can improve learning accuracy in the air fuel ratio control even if the air fuel ratio of a mixture detected by an air fuel ratio detection device shifts from an actual air fuel ratio thereof. The apparatus controls the air fuel ratio of an exhaust gas flowing into an exhaust gas purification device based on an air fuel ratio feedback value and an air fuel ratio learning value. A temperature detection device detects the temperature of the exhaust gas purification device. A determination device determines, based on a difference between a detection value of the temperature detection device and a target temperature, that the air fuel ratio detection device shifts to a rich or lean side. The update of the air fuel ratio learning value is inhibited when the air fuel ratio detection device shifts to a rich or lean side.

    摘要翻译： 即使由空燃比检测装置检测到的混合气体的空燃比从实际空燃比转移，也可以提高内燃机的空燃比控制装置，能够提高空燃比控制的学习精度。 该装置基于空燃比反馈值和空燃比学习值来控制流入排气净化装置的废气的空燃比。 温度检测装置检测废气净化装置的温度。 确定装置基于温度检测装置的检测值与目标温度之间的差异来确定空燃比检测装置转换为富面或偏侧。 当空燃比检测装置转变为浓或稀侧时，空燃比学习值的更新被抑制。

    EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE
    8.
    发明申请
    EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE 有权
    内燃机排气净化系统

    公开(公告)号：US20130058832A1

    公开(公告)日：2013-03-07

    申请号：US13640231

    申请日：2010-04-08

    申请人： Shinya Hirota ,  Akira Mikami ,  Shunsuke Toshioka ,  Kazuhiro Itoh ,  Koichiro Fukuda

    发明人： Shinya Hirota ,  Akira Mikami ,  Shunsuke Toshioka ,  Kazuhiro Itoh ,  Koichiro Fukuda

    IPC分类号： F01N3/18 ,  G05D23/00

    CPC分类号： F01N3/2033 ,  F01N3/0256 ,  F01N3/36 ,  F01N3/38 ,  F01N9/00 ,  F01N2240/14 ,  F01N2340/02 ,  F01N2900/1411 ,  F01N2900/1602 ,  Y02T10/26 ,  Y02T10/47

    摘要： An exhaust gas purification system is equipped with a burner in an exhaust passage upstream of an exhaust gas purification apparatus and having a burner combustion chamber in which flame is produced. When the temperature of the exhaust gas purification apparatus is raised, the burner produces flame that extends from the interior of the burner combustion chamber to the interior of the exhaust passage when the flow rate of the exhaust gas is not higher than a predetermined flow rate, and the burner causes the size of the flame to be smaller than when it is determined that the flow rate of the exhaust gas is not higher than the predetermined flow rate or to produce flame only in the interior of the burner combustion chamber when it is determined that the flow rate of exhaust gas is higher than the predetermined flow rate.

    摘要翻译： 废气净化系统在废气净化装置上游的排气通道中配备有燃烧器，并且具有在其中产生火焰的燃烧器燃烧室。 当废气净化装置的温度升高时，当排气的流量不高于预定的流量时，燃烧器产生从燃烧器燃烧室的内部延伸到排气通道的内部的火焰， 并且所述燃烧器导致所述火焰的尺寸小于当确定所述排气的流量不高于所述预定流量时，或者当确定所述燃烧器燃烧室的内部时仅产生火焰 废气的流量高于预定的流量。

    EXHAUST SYSTEM OF INTERNAL COMBUSTION ENGINE
    9.
    发明申请
    EXHAUST SYSTEM OF INTERNAL COMBUSTION ENGINE 审中-公开
    内燃机排气系统

    公开(公告)号：US20110041488A1

    公开(公告)日：2011-02-24

    申请号：US12673946

    申请日：2008-08-19

    申请人： Yuki Bisaiji ,  Mikio Inoue ,  Koichiro Fukuda ,  Satoru Nitta ,  Kiyohiko Nagae

    发明人： Yuki Bisaiji ,  Mikio Inoue ,  Koichiro Fukuda ,  Satoru Nitta ,  Kiyohiko Nagae

    IPC分类号： F01N3/10 ,  F01N1/00

    CPC分类号： F01N3/2066 ,  B01D53/9431 ,  B01D2251/20 ,  B01F3/04049 ,  B01F5/0473 ,  B01F5/0646 ,  B01F5/0648 ,  B01F5/0652 ,  B01F5/0655 ,  F01N1/02 ,  F01N3/2892 ,  F01N13/08 ,  F01N2240/20 ,  F01N2490/16 ,  F01N2490/18 ,  Y02T10/24

    摘要： An object of the present invention is to provide a technology that enables efficient utilization of the purification capability of an exhaust gas purification apparatus. To achieve the object, according to the present invention, in an exhaust system of an internal combustion engine provided with a reducing agent supply apparatus that supplies a reducing agent to the exhaust gas before it flows into an exhaust gas purification apparatus, an extension chamber is provided downstream of the position at which the reducing agent supply apparatus supplies the reducing agent to the exhaust gas and upstream of the exhaust gas purification apparatus. The extension chamber is provided with a back step flow creating portion that creates a back step flow of the exhaust gas in the extension chamber and a swirling flow creating portion that creates a swirling flow. As the exhaust gas and the reducing agent flow into the extension chamber as described above, the mixing of the exhaust gas and the reducing agent is promoted by a combined effect of the back step flow and the swirling flow, and partial localization of the distribution of the flow rate is eliminated.

    摘要翻译： 本发明的目的是提供能够有效利用废气净化装置的净化能力的技术。 为了达到上述目的，根据本发明，在具有还原剂供给装置的内燃机的排气系统中，在排气净化装置中向排气供给还原剂的情况下， 设置在还原剂供给装置向废气提供还原剂的位置和排气净化装置的上游的下游。 延伸室设置有后段流产生部分，其产生在延伸室中的废气的后阶梯流动，以及产生旋流的旋流产生部。 当排气和还原剂如上所述流入延伸室时，排气和还原剂的混合通过后台阶流和旋流的组合效应而得到促进，并且部分定位了 流量消除。