公开(公告)号：US20060140833A1

公开(公告)日：2006-06-29

申请号：US11311264

申请日：2005-12-20

申请人： Tomoko Morita ,  Norio Suzuki ,  Katsuji Wada

发明人： Tomoko Morita ,  Norio Suzuki ,  Katsuji Wada

IPC分类号： B01D53/56 ,  B01D53/34

CPC分类号： B01D53/9409 ,  B01D2251/2062 ,  F01N3/0814 ,  F01N3/0842 ,  F01N13/009 ,  F01N2370/04 ,  F01N2430/06 ,  F01N2510/063 ,  F01N2570/18 ,  F02D2250/36

摘要： An exhaust gas purifying apparatus for an internal combustion engine including an ammonia generating device and a NOx removing device. The ammonia generating device is provided in an exhaust system of the engine, and generates ammonia by a reaction of NOx and reducing components in exhaust gases when the exhaust gases are in a reducing state. The NOx removing device is provided downstream of the ammonia generating device, and adsorbs NOx in the exhaust gases when the exhaust gases are in an oxidizing state. The NOx removing device reduces the adsorbed NOx to generate ammonia and retains the generated ammonia when the exhaust gases are in the reducing state.

摘要翻译： 一种内燃机的废气净化装置，其包括氨生成装置和NOx除去装置。 氨发生装置设置在发动机的排气系统中，并且当废气处于还原状态时，通过NOx和废气中的还原组分的反应产生氨。 NOx排出装置设置在氨发生装置的下游侧，在排气处于氧化状态时吸附废气中的NOx。 当排气处于还原状态时，NOx去除装置减少吸附的NOx以产生氨并保留产生的氨。

公开(公告)号：US07963101B2

公开(公告)日：2011-06-21

申请号：US11981358

申请日：2007-10-31

申请人： Norio Suzuki ,  Nobuhiro Komatsu ,  Tomoko Morita ,  Hisao Haga

发明人： Norio Suzuki ,  Nobuhiro Komatsu ,  Tomoko Morita ,  Hisao Haga

IPC分类号： F01N3/00

CPC分类号： F02D41/0275 ,  F01N3/0814 ,  F01N3/0842 ,  F01N13/009 ,  F02D41/06 ,  F02D41/10 ,  F02D2200/0802 ,  Y02T10/22 ,  Y02T10/24

摘要： An exhaust gas purifying device for an internal combustion engine, comprises: a first catalyst (TWC 7, example) having a reducing capability; a second catalyst (LNC 9, example) provided downstream of the first catalyst, the second catalyst is adapted to trap NOx in a lean condition of air fuel ratio of an exhaust gas and reduce the trapped NOx in a rich condition of air fuel ratio of the exhaust gas; and an exhaust air fuel ratio control means for controlling an exhaust air fuel ratio to decrease the NOx in the first and second catalysts, wherein the exhaust air fuel ratio control means conducts NOx decreasing control suitable for the first catalyst when the second catalyst is in an inactive state and the first catalyst is in an active state, and wherein the exhaust air fuel ratio control means conducts NOx decreasing control suitable for the second catalyst after the second catalyst is activated.

摘要翻译： 一种用于内燃机的废气净化装置，包括：具有还原能力的第一催化剂（例如TWC7）; 设置在第一催化剂下游的第二催化剂（LNC9），第二催化剂适于将NOx吸收在排气的空气燃料比的稀薄条件下，并且在空燃比浓的条件下减少捕获的NOx 废气; 以及排气空燃比控制装置，用于控制排气空燃比以减少第一和第二催化剂中的NOx，其中当第二催化剂处于第一催化剂时，排气空燃比控制装置进行适合于第一催化剂的NOx减少控制 非活性状态，第一催化剂处于活性状态，其中排气空燃比控制装置在第二催化剂活化后进行适合于第二催化剂的NOx减少控制。

公开(公告)号：US07585477B2

公开(公告)日：2009-09-08

申请号：US10578664

申请日：2004-11-08

申请人： Tadao Nakatsuji ,  Norio Suzuki ,  Hiroshi Ohno ,  Naohiro Sato ,  Tomoko Morita ,  Katsuji Wada

发明人： Tadao Nakatsuji ,  Norio Suzuki ,  Hiroshi Ohno ,  Naohiro Sato ,  Tomoko Morita ,  Katsuji Wada

IPC分类号： B01D53/56 ,  B01D53/94 ,  B01J23/00 ,  B01J23/10 ,  B01J23/16 ,  B01J23/38

CPC分类号： B01D53/9422 ,  B01D2255/102 ,  B01D2255/20 ,  B01D2255/206 ,  B01J23/652 ,  B01J29/7415 ,  B01J29/7615 ,  B01J29/7815 ,  B01J35/0006

摘要： The invention provides a catalyst for catalytic reduction of nitrogen oxides contained in exhaust gases wherein fuel is supplied and subjected to combustion under periodic rich/lean conditions and the resulting exhaust gases are brought into contact therewith, which catalyst comprises: (A) a catalyst component A comprising (c) ceria or (d) praseodymium oxide or (e) an oxide and/or a composite oxide of at least two elements selected from the group consisting of cerium, zirconium, praseodymium, neodymium, terbium, samarium, gadolinium and lanthanum; (B) a catalyst component B comprising (d) a noble metal catalyst component selected from the group consisting of platinum, rhodium, palladium and oxides thereof and (e) a carrier; and (C) a catalyst component C comprising (f) a solid acid, and (g) a solid acid supporting an oxide of at least one element selected from the group consisting of vanadium, tungsten, molybdenum, copper, iron, cobalt, nickel and manganese.

摘要翻译： 本发明提供一种用于催化还原废气中所含的氮氧化物的催化剂，其中燃料在周期性富/贫条件下被供应并经历燃烧，并使得到的废气与其接触，该催化剂包括：（A）催化剂组分 A包括（c）二氧化铈或（d）氧化镨或（e）选自铈，锆，镨，钕，铽，钐，钆和镧中的至少两种元素的氧化物和/或复合氧化物 ; （B）催化剂组分B，其包含（d）选自铂，铑，钯及其氧化物的贵金属催化剂组分和（e）载体; 和（C）包含（f）固体酸的催化剂组分C，和（g）支持选自钒，钨，钼，铜，铁，钴，镍， 和锰。

公开(公告)号：US07475536B2

公开(公告)日：2009-01-13

申请号：US11046817

申请日：2005-02-01

申请人： Katsuji Wada ,  Hiroshi Ohno ,  Norio Suzuki ,  Tomoko Morita

发明人： Katsuji Wada ,  Hiroshi Ohno ,  Norio Suzuki ,  Tomoko Morita

IPC分类号： F01N3/00

CPC分类号： F01N3/208 ,  F01N3/2073 ,  F01N9/005 ,  F01N2240/25 ,  F01N2250/12 ,  F01N2370/04 ,  F01N2430/06 ,  F01N2570/00 ,  F01N2570/14 ,  F01N2570/18 ,  F01N2610/03 ,  F01N2900/08 ,  F01N2900/1402 ,  F01N2900/1602 ,  F01N2900/1622 ,  F02B31/085 ,  F02B37/00 ,  F02D41/0235 ,  F02M26/05 ,  F02M26/20 ,  F02M26/48 ,  Y02A50/2325 ,  Y02A50/2344 ,  Y02T10/24 ,  Y02T10/47

摘要： An exhaust gas purifying apparatus for an internal combustion engine having an exhaust system. The apparatus includes a NOx purifying device provided in the exhaust system. This device removes NOx from exhaust gases when a concentration of oxygen in the exhaust gases is higher than a concentration of reducing components in the exhaust gases; generates ammonia and retains the generated ammonia when the concentration of reducing components in the inflowing exhaust gases is higher than the concentration of oxygen; and purifies NOx with the retained ammonia when the concentration of reducing components in the inflowing exhaust gases is lower than the concentration of oxygen. A residual amount of ammonia retained in the NOx purifying device is estimated. The concentration of reducing components in the exhaust gases is switched with respect to the concentration of oxygen according to the estimated residual amount.

摘要翻译： 一种具有排气系统的内燃机的废气净化装置。 该设备包括设置在排气系统中的NOx净化装置。 当废气中的氧浓度高于废气中还原成分的浓度时，该装置从废气中除去NOx; 当流入的废气中的还原成分的浓度高于氧浓度时，产生氨并保留产生的氨; 并且当流入的废气中的还原成分的浓度低于氧浓度时，用残留的氨净化NOx。 估计残留在NOx净化装置中的氨的残留量。 根据估计的剩余量，排气中的还原成分的浓度相对于氧浓度而切换。

公开(公告)号：US20080124263A1

公开(公告)日：2008-05-29

申请号：US11984742

申请日：2007-11-21

申请人： Tomoko Morita ,  Norio Suzuki ,  Hiroshi Ohno

发明人： Tomoko Morita ,  Norio Suzuki ,  Hiroshi Ohno

IPC分类号： B01D53/56 ,  F01N3/10

CPC分类号： F01N3/0871 ,  B01D53/9409 ,  B01D53/9495 ,  B01D2251/20 ,  F01N3/0814 ,  F01N3/0864 ,  F01N3/106 ,  F01N9/005 ,  F01N11/002 ,  F01N2560/025 ,  F01N2560/06 ,  F01N2560/14 ,  F01N2610/03 ,  F02B29/0437 ,  F02B31/085 ,  F02B37/22 ,  F02D41/0275 ,  F02D2200/0802 ,  F02M26/05 ,  Y02T10/20 ,  Y02T10/47 ,  Y10S423/05 ,  Y10S423/06

摘要： An exhaust emission control device which is capable of supplying a just enough amount of reducing agent to a NOx catalyst while causing the amount of reducing agent consumed in an upstream catalyst to be reflected thereon. A NOx catalyst for trapping NOx and reducing NOx to change the same into harmless ingredients in a reducing atmosphere is disposed downstream of a catalyst. Reducing agent is supplied upstream of the catalyst to cause the NOx catalyst to perform a NOx-reducing action. The amount of oxygen occluded in the catalyst is calculated. During reduction control, according to the oxygen occlusion amount, the amount of reducing agent oxidized and consumed in the catalyst is calculated. According to the reducing agent consumption amount, the amount of reducing agent supplied to the NOx catalyst is calculated. The reduction control is terminated based on the reducing agent supply amount.

摘要翻译： 一种废气排放控制装置，其能够在使上游催化剂中消耗的还原剂的量在其上反射的同时向NOx催化剂供给恰当量的还原剂。 在催化剂的下游设置有用于捕集NOx并还原NO x以将NOx改变为还原气氛中的无害成分的NOx催化剂。 在催化剂上游供给还原剂，使NOx催化剂进行NOx还原作用。 计算吸附在催化剂中的氧气量。 在还原控制期间，根据氧气吸留量，计算催化剂中氧化和消耗的还原剂的量。 根据还原剂消耗量，计算供给到NOx催化剂的还原剂的量。 基于还原剂供给量终止还原控制。

公开(公告)号：US20080120964A1

公开(公告)日：2008-05-29

申请号：US11981358

申请日：2007-10-31

申请人： Norio Suzuki ,  Nobuhiro Komatsu ,  Tomoko Morita ,  Hisao Haga

发明人： Norio Suzuki ,  Nobuhiro Komatsu ,  Tomoko Morita ,  Hisao Haga

IPC分类号： F01N3/20

CPC分类号： F02D41/0275 ,  F01N3/0814 ,  F01N3/0842 ,  F01N13/009 ,  F02D41/06 ,  F02D41/10 ,  F02D2200/0802 ,  Y02T10/22 ,  Y02T10/24

摘要： An exhaust gas purifying device for an internal combustion engine, comprises: a first catalyst (TWC 7, example) having a reducing capability; a second catalyst (LNC 9, example) provided downstream of the first catalyst, the second catalyst is adapted to trap NOx in a lean condition of air fuel ratio of an exhaust gas and reduce the trapped NOx in a rich condition of air fuel ratio of the exhaust gas; and an exhaust air fuel ratio control means for controlling an exhaust air fuel ratio to decrease the NOx in the first and second catalysts, wherein the exhaust air fuel ratio control means conducts NOx decreasing control suitable for the first catalyst when the second catalyst is in an inactive state and the first catalyst is in an active state, and wherein the exhaust air fuel ratio control means conducts NOx decreasing control suitable for the second catalyst after the second catalyst is activated.

摘要翻译： 一种用于内燃机的废气净化装置，包括：具有还原能力的第一催化剂（例如TWC7）; 设置在第一催化剂下游的第二催化剂（LNC9），第二催化剂适于将NOx吸收在排气的空气燃料比的稀薄条件下，并且在空燃比浓的条件下减少捕获的NOx 废气; 以及排气空燃比控制装置，用于控制排气空燃比以减少第一和第二催化剂中的NOx，其中当第二催化剂处于第一催化剂时，排气空燃比控制装置进行适合于第一催化剂的NOx减少控制 非活性状态，第一催化剂处于活性状态，其中排气空燃比控制装置在第二催化剂活化后进行适合于第二催化剂的NOx减少控制。

公开(公告)号：US20070274889A1

公开(公告)日：2007-11-29

申请号：US10578664

申请日：2004-11-08

申请人： Tadao Nakatsuji ,  Norio Suzuki ,  Hiroshi Ohno ,  Naohiro Sato ,  Tomoko Morita ,  Katsuji Wada

发明人： Tadao Nakatsuji ,  Norio Suzuki ,  Hiroshi Ohno ,  Naohiro Sato ,  Tomoko Morita ,  Katsuji Wada

IPC分类号： B01D53/56 ,  B01J23/652 ,  B01J29/22 ,  B01J29/24 ,  B01J29/76

CPC分类号： B01D53/9422 ,  B01D2255/102 ,  B01D2255/20 ,  B01D2255/206 ,  B01J23/652 ,  B01J29/7415 ,  B01J29/7615 ,  B01J29/7815 ,  B01J35/0006

摘要： The invention provides a catalyst for catalytic reduction of nitrogen oxides contained in exhaust gases wherein fuel is supplied and subjected to combustion under periodic rich/lean conditions and the resulting exhaust gases are brought into contact therewith, which catalyst comprises: (A) a catalyst component A comprising (c) ceria or (d) praseodymium oxide or (e) an oxide and/or a composite oxide of at least two elements selected from the group consisting of cerium, zirconium, praseodymium, neodymium, terbium, samarium, gadolinium and lanthanum; (B) a catalyst component B comprising (d) a noble metal catalyst component selected from the group consisting of platinum, rhodium, palladium and oxides thereof and (e) a carrier; and (C) a catalyst component C comprising (f) a solid acid, and (g) a solid acid supporting an oxide of at least one element selected from the group consisting of vanadium, tungsten, molybdenum, copper, iron, cobalt, nickel and manganese. The catalyst reduces NOx contained in exhaust gases wherein fuel is supplied and subjected to combustion with a periodic rich/lean excursions, whereby NOx is generated in the exhaust gases, with high durability in a wide temperature range even in the presence of oxygen, sulfur oxides or water.

摘要翻译： 本发明提供一种用于催化还原废气中所含的氮氧化物的催化剂，其中燃料在周期性富/贫条件下被供应并经历燃烧，并使得到的废气与其接触，该催化剂包括：（A）催化剂组分 A包括（c）二氧化铈或（d）氧化镨或（e）选自铈，锆，镨，钕，铽，钐，钆和镧中的至少两种元素的氧化物和/或复合氧化物 ; （B）催化剂组分B，其包含（d）选自铂，铑，钯及其氧化物的贵金属催化剂组分和（e）载体; 和（C）包含（f）固体酸的催化剂组分C，和（g）支持选自钒，钨，钼，铜，铁，钴，镍， 和锰。 催化剂还原废气中所含的NOx，其中燃料被供给并经历周期性的富/贫漂移的燃烧，从而在废气中产生NOx，即使在存在氧，硫氧化物的情况下，在宽温度范围内具有高耐久性 或水。

公开(公告)号：US5831684A

公开(公告)日：1998-11-03

申请号：US657643

申请日：1996-05-30

申请人： Tomoko Morita ,  Naoji Okumura ,  Masahiro Tani

发明人： Tomoko Morita ,  Naoji Okumura ,  Masahiro Tani

IPC分类号： H04N5/45

CPC分类号： H04N5/45

摘要： A subpicture image signal vertical compression circuit for vertically compressing subpictures operating at respective synchronous timings different from that of the main picture when a plurality of image signals having respectively different synchronizations are displayed on an image display device. Depending on whether the field polarities of main and sub pictures are the same or not, the subpicture image signal vertical compression circuit generates suitable offsets for the first and the second fields to adjust the phases and prevent the inversion of the scan order in the vertical direction, at the first field and the second field of subpicture signal, after the phase adjustment to obtain a subpicture image with natural motion in the vertical direction.

摘要翻译： 一种副图像图像信号垂直压缩电路，用于当在图像显示装置上显示具有不同同步的多个图像信号时，垂直压缩在与主图像不同的同步定时工作的子图像。 根据主图像和副图像的场极性是否相同，子画面图像信号垂直压缩电路产生用于第一和第二场的适当偏移量以调整相位并防止垂直方向上的扫描顺序的反转 在第一场和第二场子画面信号之后，进行相位调整，以在垂直方向上获得具有自然运动的子画面图像。