公开(公告)号：WO2003014539A1

公开(公告)日：2003-02-20

申请号：PCT/JP2002/008142

申请日：2002-08-08

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  NAKATANI, Koichiro ,  HIROTA, Shinya ,  TOSHIOKA, Shunsuke ,  ITOH, Kazuhiro ,  ASANUMA, Takamitsu ,  KIMURA, Kouichi ,  MIKAMI, Akira

Inventor： NAKATANI, Koichiro ,  HIROTA, Shinya ,  TOSHIOKA, Shunsuke ,  ITOH, Kazuhiro ,  ASANUMA, Takamitsu ,  KIMURA, Kouichi ,  MIKAMI, Akira

IPC: F01N3/022

CPC classification number: B01J35/04 ,  B28B11/006 ,  F01N3/0222 ,  F01N3/035 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/0821 ,  F01N3/0835 ,  F01N3/0842 ,  F01N3/085 ,  F01N3/0878 ,  F01N3/103 ,  F01N3/2053 ,  F01N3/2828 ,  F01N13/009 ,  F01N2240/20 ,  F01N2260/14 ,  F02B37/00 ,  F02M26/05 ,  F02M26/10 ,  F02M26/15 ,  F02M26/32

Abstract: There is provided an exhaust gas purification device (22) comprising a substrate used for purifying components contained in an exhaust gas discharged from an engine. The substrate has partitions (54) which define passages (50, 51) and are formed of porous material having fine pores each having a predetermined average size. The end portions of the adjacent partitions (54) defining each of part of the passages (50, 51) of the substrate are partially connected to each other such that the end portions (52, 53) are tapered toward the outside of the substrate. The tapered end portions (52, 53) partially close the end opening of the corresponding passage and form a small hole (55, 56) defined by the tips thereof. The size of each small hole (55, 56) is smaller than the cross sectional area of the corresponding passage (50) and larger than the sizes of the fine pores of the partitions (54).

Abstract translation: 提供了一种排气净化装置（22），其包括用于净化从发动机排出的废气中所含的组分的基板。 衬底具有限定通道（50,51）的分隔壁（54），并且由具有预定平均尺寸的细孔的多孔材料形成。 限定基板的通路（50,51）的每一部分的相邻隔板（54）的端部彼此部分连接，使得端部（52,53）朝向基板的外侧逐渐变细。 锥形端部（52,53）部分地关闭相应通道的端部开口并形成由其尖端限定的小孔（55,56）。 每个小孔（55,56）的尺寸小于相应通道（50）的横截面面积并且大于分隔壁（54）的细孔尺寸。

公开(公告)号：WO2015181602A1

公开(公告)日：2015-12-03

申请号：PCT/IB2015/000721

申请日：2015-05-20

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： TSUKAMOTO, Yoshihisa ,  ITOH, Kazuhiro ,  NISHIOKA, Hiromasa ,  IMAI, Daichi ,  OHTSUKI, Hiroshi ,  NOTAKE, Yasumasa

IPC: F02D41/02 ,  F01N9/00

CPC classification number: F01N3/0232 ,  B01D46/0078 ,  B01D46/446 ,  B01D46/46 ,  B01D2279/30 ,  F01N3/023 ,  F01N3/0234 ,  F01N3/027 ,  F01N9/002 ,  F01N9/007 ,  F01N11/002 ,  F01N2550/04 ,  F01N2900/0412 ,  F01N2900/0601 ,  F01N2900/1404 ,  F01N2900/1406 ,  F01N2900/1602 ,  F01N2900/1606 ,  F02D41/024 ,  F02D41/029 ,  Y02T10/26 ,  Y02T10/47

Abstract: An estimated trapped amount (PM) that is an estimated value of an amount of particulate matter that is trapped in a particulate filter (15) arranged in an engine exhaust passage is calculated based on an engine operating state, and PM removal control is performed when the estimated trapped amount exceeds an upper limit amount. Reference temperature increase control is performed to remove the particulate matter from the particulate filter (15), and an actual temperature that is the temperature of the particulate filter (15) while the reference temperature increase control is being performed is detected. A reference temperature that is the temperature of the particulate filter (15) when it is assumed that the reference temperature increase control has been performed when the amount of particulate matter trapped in the particulate filter (15) is a reference initial trapped amount is stored in advance. The estimated trapped amount is corrected based on the actual temperature and the reference temperature.

Abstract translation: 基于发动机运转状态来计算作为排放在发动机排气通路中的微粒过滤器（15）中的颗粒物质的量的估计值的估计捕获量（PM），并且， 估计的被捕获量超过上限量。 进行参考温度升高控制以从颗粒过滤器（15）中除去颗粒物质，并且检测在执行基准温度升高控制时微粒过滤器（15）的温度的实际温度。 当假设在颗粒过滤器（15）中捕获的颗粒物质的量是基准初始捕集量时，假设已经执行了基准温度升高控制，则作为微粒过滤器（15）的温度的参考温度被存储在 提前。 基于实际温度和基准温度来校正被捕获量。

公开(公告)号：WO2003014545A1

公开(公告)日：2003-02-20

申请号：PCT/IB2002/003114

申请日：2002-08-07

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  ITOH, Kazuhiro ,  HIROTA, Shinya ,  NAKATANI, Koichiro

Inventor： ITOH, Kazuhiro ,  HIROTA, Shinya ,  NAKATANI, Koichiro

IPC: F01N3/28

CPC classification number: F01N3/0821 ,  B01D46/0063 ,  B01D46/2425 ,  B01D46/2429 ,  B01D46/244 ,  B01D46/2451 ,  B01D46/2459 ,  B01D46/2474 ,  B01D2046/2437 ,  B01D2046/2492 ,  B01D2046/2496 ,  B01D2279/30 ,  B28B3/269 ,  B28B11/006 ,  F01N3/0222 ,  F01N3/0842 ,  F01N3/085 ,  F01N2240/20 ,  F01N2260/18 ,  F01N2510/0682 ,  F01N2570/16 ,  Y10S55/05 ,  Y10S55/10 ,  Y10S55/30

Abstract: This invention relates to an exhaust gas purifying ap aratus having a particulate filter for collecting particulates in exhaust gas. This particulate filter (22) contains partition walls defining paths (50, 51) in wich exhaust gas flows. This partition wall is formed of porous material. This particulate filter (22) is created by gathering tips of the partition walls and then baking with the adjacent partition walls being in contact with each other. The adjacent partition walls are bonded together at a predetermined bonding strength if the partition walls are baked such that they are in contact. Alcording to this invention, the end portion of the particulate filter (22) has a higher strength than the predetermined bonding strength.

Abstract translation: 本发明涉及一种具有用于收集废气中的微粒的微粒过滤器的废气净化装置。 这种颗粒过滤器（22）包含限定在排气流中的路径（50,51）的分隔壁。 该分隔壁由多孔材料形成。 这种微粒过滤器（22）是通过聚集分隔壁的尖端，然后与彼此接触的相邻分隔壁进行烘烤而产生的。 如果分隔壁被烘烤以使它们接触，则相邻的隔壁以预定的粘接强度粘合在一起。 根据本发明，颗粒过滤器（22）的端部具有比预定粘合强度更高的强度。

公开(公告)号：WO2015060015A1

公开(公告)日：2015-04-30

申请号：PCT/JP2014/072862

申请日：2014-08-26

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： TSUKAMOTO, Yoshihisa ,  ITOH, Kazuhiro ,  NISHIOKA, Hiromasa ,  IMAI, Daichi ,  OTSUKI, Hiroshi ,  NOTAKE, Yasumasa

IPC: F01N3/022 ,  F01N3/023 ,  F01N3/029 ,  F01N9/00 ,  F01N3/22 ,  F01N3/32 ,  F01N3/05 ,  B01D46/24

CPC classification number: F01N9/002 ,  B01D46/2429 ,  B01D2046/2437 ,  F01N3/0222 ,  F01N3/0232 ,  F01N3/0238 ,  F01N3/0293 ,  F01N3/05 ,  F01N3/22 ,  F01N3/32 ,  F01N2330/06 ,  F01N2330/30 ,  F01N2330/60 ,  F01N2510/068 ,  F01N2900/0412 ,  F01N2900/1406 ,  F01N2900/1606 ,  F01N2900/1611 ,  F02D41/029 ,  F02D41/1445 ,  F02D2200/0812 ,  Y02T10/47

Abstract: Micropore zones ZMI are defined at upstream sides of partition walls 72 of a particulate filter and macropore zones ZMA are defined at downstream sides of partition walls. The pore size of the partition walls at the micropore zones is set so that the particulate matter and the ash can be trapped by the partition walls at the micropore zones, while the pore size of the partition walls at the macropore zones is set so that the ash can pass through the partition walls at the macropore zones. When a quantity of trapped particulate matter is smaller than a limit quantity, control for increasing gas which temporarily increases the flow rate of the gas which flows into the particulate filter in order to remove the ash from the particulate filter, is performed.

Abstract translation: 微孔区域ZMI被限定在颗粒过滤器的分隔壁72的上游侧，并且大孔区域ZMA被限定在分隔壁的下游侧。 微孔区域的隔壁的孔径被设定为使得微孔区域中的分隔壁可以捕获颗粒物质和灰分，同时将大孔区域的隔壁的孔径设定为使得 灰分可以穿过大孔区域的隔墙。 当捕获的颗粒物质的量小于限制量时，执行用于增加气体的控制，其暂时增加流入微粒过滤器中的气体的流量以从微粒过滤器除去灰分。

公开(公告)号：WO2014199210A1

公开(公告)日：2014-12-18

申请号：PCT/IB2014/000941

申请日：2014-06-03

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： ITOH, Kazuhiro ,  NISHIOKA, Hiromasa ,  IMAI, Daichi ,  TSUKAMOTO, Takahisa ,  OTSUKI, Hiroshi ,  NOTAKE, Yasumasa

IPC: B01D46/24

CPC classification number: F01N3/035 ,  B01D46/2429 ,  B01D53/94 ,  B01D2046/2437 ,  B01D2275/307 ,  F01N3/0222 ,  F01N3/0232 ,  F01N2510/0682

Abstract: An exhaust gas purification filter includes an inflow/outflow passage through which exhaust gas flows in/out, and a partition. The outflow passage and the inflow passage is alternately arranged. The partition is configured to divide the inflow passage and the outflow passage from each other, and being porous. The partition includes a coated zone where a surface of a base of the partition is covered with a first coating layer having an average pore diameter smaller than an average pore diameter of the base, and a non-coated zone where the surface of the base is not covered with the first coating layer on a downstream side of the coated zone. The average pore diameter of the base is large enough for ash to pass through the partition, and the first coating layer is constituted by a plurality of particle groups with different average particle diameters from each other.

Abstract translation: 废气净化过滤器包括废气流入/流出的流入/流出通道和分隔件。 流出通道和流入通道交替布置。 所述分隔构造成将所述流入通道和所述流出通路彼此分开，并且是多孔的。 隔壁包括涂覆区域，其中隔板的基部的表面覆盖有平均孔径小于基底的平均孔径的第一涂层，以及基底表面的非涂覆区域 未被涂覆区的下游侧的第一涂层覆盖。 基体的平均孔径足够大以使灰分通过隔壁，第一涂层由平均粒径不同的多个粒子组构成。

公开(公告)号：WO2013017943A1

公开(公告)日：2013-02-07

申请号：PCT/IB2012/001616

申请日：2012-08-03

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  KABUSHIKI KAISHA TOYOTA JIDOSHOKKI ,  ITOH, Kazuhiro ,  HIROTA, Shinya ,  HATTA, Masanori ,  SASATANI, Toru ,  MAEDA, Schoichi ,  KAWASAKI, Shintaro

Inventor： ITOH, Kazuhiro ,  HIROTA, Shinya ,  HATTA, Masanori ,  SASATANI, Toru ,  MAEDA, Schoichi ,  KAWASAKI, Shintaro

IPC: F01N3/20

CPC classification number: F01N3/2066 ,  F01N2610/02 ,  F01N2610/1453 ,  F01N2610/146 ,  F01N2900/1821 ,  Y02T10/24

Abstract: In an exhaust gas purification system for an internal combustion engine that includes an exhaust gas purification catalyst disposed in an exhaust passage in the internal combustion engine and a reducing agent addition valve disposed upstream the exhaust gas purification catalyst in the exhaust passage for injecting a reducing agent in a direction across an exhaust gas flow, the reducing agent addition valve supplies a reducing agent in such a manner that makes a diameter of an agent particle away from the reducing agent addition valve larger than a diameter of an agent particle in the vicinity of the reducing agent addition valve.

Abstract translation: 在一种用于内燃机的排气净化系统中，其包括设置在内燃机的排气通道中的排气净化催化剂和在废气净化催化剂的上游设置在排气通道中的用于注入还原剂的还原剂添加阀 在排气流动的方向上，还原剂添加阀以这样的方式提供还原剂，使得试剂颗粒的直径远离还原剂添加阀大于在颗粒附近的试剂颗粒的直径 还原剂添加阀。