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1. 发明专利

JP2007292066A Exhaust gas purification system 审中-公开
标题翻译：排气净化系统
公开(公告)号：JP2007292066A
公开(公告)日：2007-11-08
申请号：JP2007092348
申请日：2007-03-30
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： TAKAGI NOBUYUKI , MIURA MASAHIDE , MATSUMOTO SHINICHI , IKEDA YASUO , TANABE TOSHITAKA , NAGAI YASUTAKA , DOMAE KAZUHIKO , HATANAKA YOSHIO , YAMAMOTO TOSHIO
IPC分类号： F01N3/22 , B01D53/86 , B01D53/94 , B01J23/42 , B01J23/96 , B01J38/12 , F01N3/10 , F01N3/20
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purification system without reducing a NOx purification ratio even when regenerating a catalyst. SOLUTION: The exhaust gas purification system has an oxygen supply means arranged in an exhaust gas flow passage of an internal combustion engine, a carrier for containing a basic oxide disposed in parallel by at least two, and a regenerable catalyst including platinum carried in the carrier. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使在再生催化剂时也不会降低NOx净化率来提供废气净化系统。解决方案：废气净化系统具有设置在内燃机的排气流动通道中的供氧装置，用于容纳至少两个平行设置的碱性氧化物的载体和包含铂的可再生催化剂在承运人版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007260568A Catalyst for controlling exhaust gas and its regenerating method 有权
标题翻译：用于控制排气的催化剂及其再生方法
公开(公告)号：JP2007260568A
公开(公告)日：2007-10-11
申请号：JP2006089190
申请日：2006-03-28
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： TANABE TOSHITAKA , NAGAI YASUTAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , YAMAMOTO TOSHIO , TAKAGI NOBUYUKI , IKEDA YASUO
IPC分类号： B01J23/63 , B01D53/94 , B01D53/96 , B01J23/96 , B01J38/12 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for controlling exhaust gas, the activity of which can be recovered by redistributing a platinum particle, which is exposed to high-temperature exhaust gas for a long time and the grain of which is grown, into minute platinum particles in a short time even in a comparatively low temperature range and to provide a method for regenerating the catalyst for controlling exhaust gas. SOLUTION: The catalyst for controlling exhaust gas is provided with: a first catalyst layer comprising a first carrier containing a first multiple oxide of zirconia and/or alumina and at least one element, which is selected from the group consisting of alkaline-earth metal elements, rare earth elements and group 3A elements and contains cerium, and platinum deposited on the first carrier; and a second catalyst layer which comprises a second carrier containing a second multiple oxide of zirconia and/or alumina and at least one element selected from the group consisting of alkaline-earth metal elements, rare earth elements other than cerium and group 3A elements, and platinum deposited on the second carrier and which is arranged on the surface layer side of the first catalyst layer. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于控制废气的催化剂，其活性可以通过重新分配长时间暴露于高温废气并且其晶粒生长的铂颗粒来回收即使在相当低的温度范围内也能在短时间内变成微小的铂颗粒，并且提供一种用于再生用于控制废气的催化剂的方法。解决方案：用于控制废气的催化剂具有：第一催化剂层，其包含含有氧化锆和/或氧化铝的第一多重氧化物和/或氧化铝的第一载体和至少一种元素，所述第一载体选自碱 - 土金属元素，稀土元素和3A族元素，并含有铈，铂沉积在第一载体上; 以及第二催化剂层，其包含含有氧化锆和/或氧化铝的第二多重氧化物的第二载体和选自碱土金属元素，除铈和3A族元素之外的稀土元素中的至少一种元素，以及铂沉积在第二载体上并且布置在第一催化剂层的表面层侧。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007260567A Catalyst for purifying exhaust gas and its regenerating method 有权
标题翻译：用于净化排气的催化剂及其再生方法
公开(公告)号：JP2007260567A
公开(公告)日：2007-10-11
申请号：JP2006089177
申请日：2006-03-28
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAMOTO TOSHIO , NAGAI YASUTAKA , TANABE TOSHITAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , TAKAGI NOBUYUKI , MIURA MASAHIDE , IKEDA YASUO
IPC分类号： B01J23/56 , B01D53/94 , B01D53/96 , B01J23/89 , B01J23/96 , B01J38/12 , F01N3/10 , F01N3/20
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying exhaust gas, in which a noble metal particle is restrained from being agglomerated even when the catalyst is exposed to high-temperature exhaust gas for a long time, in the grain-grown one of which a noble metal is dispersed again in a short time in a low temperature range to regenerate the grain-grown catalyst and which can be regenerated in such a state that the catalyst is mounted in an exhaust gas system of an internal-combustion engine and to provide a method for regenerating the catalyst. SOLUTION: The catalyst for purifying exhaust gas is provided with: a carrier containing a multiple oxide of zirconia and/or alumina and at least one element selected from the group consisting of alkaline-earth metal elements, rare earth elements and group 3A elements; a noble metal deposited on the carrier; and an additional component which is deposited on the carrier and contains at least one element selected from the group consisting of alkaline-earth metal elements, rare earth elements and group 3A elements. The catalyst for controlling exhaust gas is characterized in that the amount of the noble metal to be deposited is within 0.05-2 mass% of the catalyst and the molar ratio of (the amount of the additional component to be deposited)/(the amount of the noble metal to be deposited) in terms of metals is within 0.5-20. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使当催化剂长时间暴露于高温废气时也抑制贵金属颗粒聚集的废气净化催化剂，在谷物生长中其中一种贵金属在短时间内再次分散在低温范围内以再生晶粒生长的催化剂，并且可以在催化剂安装在内燃机的排气系统中的状态下再生并提供催化剂再生的方法。解决方案：用于净化废气的催化剂具有：含有氧化锆和/或氧化铝的多重氧化物的载体和选自碱土金属元素，稀土元素和3A族中的至少一种元素要素; 沉积在载体上的贵金属; 以及另外的成分，其沉积在载体上并含有选自碱土金属元素，稀土元素和3A族元素中的至少一种元素。用于控制废气的催化剂的特征在于，待沉积的贵金属的量在催化剂的0.05-2质量％内，（待附加成分的添加量）/（催化剂的添加量要沉积的贵金属）在0.5-20以内。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007289921A Exhaust-gas cleaning catalyst and its regeneration method 有权
标题翻译：排气净化催化剂及其再生方法
公开(公告)号：JP2007289921A
公开(公告)日：2007-11-08
申请号：JP2006351446
申请日：2006-12-27
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： HATANAKA YOSHIO , TANABE TOSHITAKA , NAGAI YASUTAKA , YAMAMOTO TOSHIO , DOMAE KAZUHIKO , TAKAGI NOBUYUKI , MIURA MASAHIDE , IKEDA YASUO
IPC分类号： B01J23/63 , B01D53/86 , B01D53/94 , B01J23/58 , B01J23/96 , B01J35/10 , F01N3/18
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust-gas cleaning catalyst and a generation method of the exhaust-gas cleaning catalyst, which can fully control growth of particles of a noble metal to fully control a deterioration in the catalyst activity even if exposed to an exhaust gas of high temperature for a long time and also re-distribute the noble metal to easily regenerate the catalyst activity so that the catalyst activity per unit amount of the supported noble metal is fully high and the excellent catalyst activity is displayed even if a growth of the particles of the noble metal in its use. SOLUTION: The exhaust-gas cleaning catalyst has a carrier of fluorite type structure containing a composite oxide of Zr and at least one metallic element which is chosen from a group consisting of a rare earth element and an alkaline earth metal element, and also contains Ce, and the noble metal supported by the carrier, wherein the amount of metallic element contained in the carrier is in the range of 51-75 mol% by metal conversion for the carrier and the amount of Ce contained in metallic element is 90 mol% or more by metal conversion for metallic element. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供排气净化催化剂和废气净化催化剂的生成方法，其可以完全控制贵金属的颗粒的生长，以完全控制催化剂活性的劣化，即使长时间暴露于高温废气，并且还重新分配贵金属以容易地再生催化剂活性，使得每单位量的负载型贵金属的催化剂活性高，并且甚至显示出优异的催化剂活性如果贵金属的颗粒在其使用中生长。废气净化催化剂具有含有Zr的复合氧化物和选自由稀土元素和碱土金属元素组成的组中的至少一种金属元素的萤石型结构的载体，以及还含有Ce和由载体担载的贵金属，其中载体中所含的金属元素的量通过金属转化为载体的51-75mol％，金属元素中所含的Ce的量为90 mol％以上金属元素的金属转化率。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008023483A Catalyst for purifying exhaust gas, its manufacturing method and its regenerating method 有权
标题翻译：用于净化排气的催化剂及其制备方法及其再生方法
公开(公告)号：JP2008023483A
公开(公告)日：2008-02-07
申请号：JP2006200843
申请日：2006-07-24
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAMOTO TOSHIO , NAGAI YASUTAKA , TANABE TOSHITAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , TAKAGI NOBUYUKI , MIURA MASAHIDE , IKEDA YASUO
IPC分类号： B01J23/58 , B01J23/96 , B01J38/18
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying exhaust gas, the deterioration of whose activity can be restrained by restraining the grain growth of a noble metal even if the catalyst for purifying exhaust gas is exposed in high-temperature exhaust gas for a long time and which can be regenerated by breaking up the grain-grown noble metal again into satisfactorily minute particles. SOLUTION: The catalyst for purifying exhaust gas comprises: a compound oxide particle A which consists of a metal oxide containing alumina at least and a first basic oxide, that is deposited on the surface of the metal oxide and contains at least one element selected from the group consisting of alkaline-earth metallic elements, rare earth elements and 3A group elements, and in which the amount of the first basic oxide to be deposited on the metal oxide is 0.1-30 mass%; another compound oxide particle B consisting of zirconia and a second basic oxide containing at least one element selected from the group consisting of alkaline-earth metallic elements, rare earth elements and 3A group elements; an additional component which is deposited on the compound oxide particle B and contains at least one element selected from the group consisting of alkaline-earth metallic elements, rare earth elements and 3A group elements; and the noble metal deposited on the compound oxide particle B at least. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于净化废气的催化剂，即使在废气净化用催化剂暴露于高温废气中的情况下，也可以通过抑制贵金属的晶粒生长来抑制其活性的劣化长时间并且可以通过将晶粒生长的贵金属再次分解成令人满意的微小颗粒而再生。解决方案：用于净化废气的催化剂包括：复合氧化物颗粒A，其由至少含有氧化铝的金属氧化物和第一碱性氧化物组成，其沉积在金属氧化物的表面上并且含有至少一种元素选自碱土金属元素，稀土元素和3A族元素，其中沉积在金属氧化物上的第一碱性氧化物的量为0.1-30质量％; 由氧化锆和含有选自碱土金属元素，稀土元素和3A族元素中的至少一种元素的第二碱性氧化物构成的复合氧化物粒子B; 沉积在复合氧化物颗粒B上并含有选自碱土金属元素，稀土元素和3A族元素中的至少一种元素的附加成分; 以及至少沉积在复合氧化物粒子B上的贵金属。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007289920A Exhaust-gas cleaning catalyst, its regeneration method, exhaust-gas cleaning apparatus and exhaust-gas cleaning method using it 有权
标题翻译：排气清洁催化剂，其再生方法，排气清洁装置和使用其的排气清洁方法
公开(公告)号：JP2007289920A
公开(公告)日：2007-11-08
申请号：JP2006325206
申请日：2006-12-01
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： NAGAI YASUTAKA , TANABE TOSHITAKA , DOMAE KAZUHIKO , HATANAKA YOSHIO , YAMAMOTO TOSHIO , TAKAGI NOBUYUKI , MIURA MASAHIDE , IKEDA YASUO
IPC分类号： B01J23/63 , B01D53/94 , B01J23/58 , B01J23/89 , B01J38/02 , B01J38/10 , B01J38/12 , F01N3/10 , F01N3/20
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust-gas cleaning catalyst which can fully control aggregation of particles of a noble metal to fully control growth of particles of the noble metal for a long time even if exposed to an exhaust gas of high temperature for a long time and re-distribute particles of the noble metal in a short time to easily regenerate the catalyst activity even if in a comparatively low-temperature range when growing of the particles in its using. SOLUTION: The exhaust-gas cleaning catalyst has the noble metal supported by an oxide carrier, under oxidation atmosphere, the noble metal is on the surface of the carrier in higher oxidation state and also the noble metal has a surface oxide layer which is formed by binding with an cation of the carrier through oxygen of the surface of the carrier, and also under reduction atmosphere, wherein the noble metal is on the surface of the carrier in a metallic state and also the ratio of an amount of the noble metal exposed on the surface of the carrier, which is measured by the CO chemical adsorption method, is 10% or more by atomic ratio for the total amount of the noble metal supported by the carrier. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种废气清洁催化剂，其可以完全控制贵金属颗粒的聚集，以便即使暴露于高的废气也能够长时间地控制贵金属颗粒的生长温度长时间并且在短时间内重新分配贵金属的颗粒，以便即使在使用中生长颗粒时在相对低的温度范围内也容易再生催化剂活性。解决方案：废气清洁催化剂具有由氧化物载体担载的贵金属，在氧化气氛下，贵金属处于较高氧化态的载体表面，贵金属也具有表面氧化层，是通过载体表面的氧和还原气氛与载体的阳离子结合形成的，其中贵金属处于金属状态的载体表面上，还有贵金属的量的比例通过CO化学吸附法测定的载体表面露出的金属，由载体负载的贵金属的总量的原子比为10％以上。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007268460A Metal oxide catalyst carrier particle, and exhaust gas purification catalyst 审中-公开
标题翻译：金属氧化物催化剂载体颗粒和排气净化催化剂
公开(公告)号：JP2007268460A
公开(公告)日：2007-10-18
申请号：JP2006098730
申请日：2006-03-31
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： MIURA MASAHIDE , TAKAGI NOBUYUKI , MATSUMOTO SHINICHI , TANABE TOSHITAKA , NAGAI YASUTAKA , DOMAE KAZUHIKO , IKEDA YASUO
IPC分类号： B01J23/63 , B01D53/86 , B01D53/94 , B01J23/96 , B01J35/10 , B01J37/03 , B01J37/08 , B01J37/16 , B01J38/12 , F01N3/10
CPC分类号： B01J37/0221 , B01D53/945 , B01D2255/206 , B01J23/63 , B01J35/008 , B01J35/026 , B01J35/10 , B01J35/1014 , B01J37/0234 , Y02T10/22 , Y10T428/2991
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purification catalyst enabling a good redistribution processing of platinum, a platinum redistribution processing method by such the exhaust gas purification catalyst, and a metal oxide catalyst carrier particle capable of obtaining such the exhaust gas purification catalyst and its manufacturing method. SOLUTION: The metal oxide catalyst carrier particle contains a first and a second metal oxides, and has different compositions in the central portion and the outer coat portion. In the metal oxide catalyst carrier particle, the mol fraction of a metal constituting the first metal oxide in the central portion is higher than that of the metal constituting the first metal oxide in the outer coat portion and the mol fraction of a metal constituting the second metal oxide in the outer coat portion is higher than that of the metal constituting the second metal oxide in the central portion, and the second metal oxide is selected from a group consisting of oxides of alkaline earth metals and rare earths excluding ceria. The exhaust gas purification catalyst comprises the metal oxide catalyst carrier particle supporting platinum. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够进行铂的良好再分配处理的废气净化催化剂，通过这种废气净化催化剂的铂再分配处理方法和能够获得这样的废气的金属氧化物催化剂载体颗粒净化催化剂及其制备方法。解决方案：金属氧化物催化剂载体颗粒包含第一和第二金属氧化物，并且在中心部分和外涂层部分中具有不同的组成。在金属氧化物催化剂载体颗粒中，构成中心部分的第一金属氧化物的金属的摩尔分数高于外涂层中构成第一金属氧化物的金属的摩尔分数，构成第二金属的金属的摩尔分数外涂层部分中的金属氧化物比构成中心部分的第二金属氧化物的金属高，第二金属氧化物选自碱土金属和除二氧化铈以外的稀土的氧化物。排气净化催化剂包含负载铂的金属氧化物催化剂载体颗粒。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008018418A Catalyst for cleaning exhaust gas 有权
标题翻译：催化剂用于清洁排气
公开(公告)号：JP2008018418A
公开(公告)日：2008-01-31
申请号：JP2006351442
申请日：2006-12-27
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： TANABE TOSHITAKA , NAGAI YASUTAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , YAMAMOTO TOSHIO , TAKAGI NOBUYUKI , IKEDA YASUO
IPC分类号： B01J23/63 , B01D53/94 , B01J23/58 , B01J37/08 , F01N3/10
CPC分类号： B01D53/945 , B01J23/002 , B01J23/10 , B01J23/58 , B01J23/63 , B01J35/0006 , B01J37/0018 , B01J37/03 , B01J37/04 , B01J2523/00 , Y02T10/22 , B01J2523/25 , B01J2523/48 , B01J2523/828 , B01J2523/3712 , B01J2523/3706
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning an exhaust gas capable of exhibiting a high catalytic activity under a usual service condition and sufficiently suppressing a reduction in the catalytic activity even if it is exposed to an exhaust gas of high temperature for a long period of time. SOLUTION: The catalyst for cleaning the exhaust gas includes a composite oxide of a material (A) capable of releasing a noble metal at a high temperature, zirconia and/or alumina, and at least one element selected from the group consisting of an alkaline earth metal element, an rare earth element and a group 3A element, and is provided with a material (B) for receiving the precious metal released from the material (A) at a high temperature. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在通常使用条件下能够显示高催化活性的废气的清洁催化剂，并且即使暴露于高温废气也能充分抑制催化活性的降低很长一段时间。解决方案：用于清洁废气的催化剂包括能够在高温下释放贵金属的材料（A），氧化锆和/或氧化铝的复合氧化物和选自以下的至少一种元素：碱土金属元素，稀土元素和3A族元素，并且在高温下设置有用于接收从材料（A）释放的贵金属的材料（B）。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008023482A Catalyst for purifying exhaust gas, its manufacturing method and its regenerating method 有权
标题翻译：用于净化排气的催化剂及其制备方法及其再生方法
公开(公告)号：JP2008023482A
公开(公告)日：2008-02-07
申请号：JP2006200837
申请日：2006-07-24
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAMOTO TOSHIO , NAGAI YASUTAKA , TANABE TOSHITAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , TAKAGI NOBUYUKI , MIURA MASAHIDE , IKEDA YASUO
IPC分类号： B01J23/58 , B01J23/96 , B01J38/18
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying exhaust gas, the deterioration of whose activity can be restrained by restraining the grain growth of a noble metal even if the catalyst for purifying exhaust gas is exposed in high-temperature exhaust gas for a long time and which can be regenerated by breaking up the noble metal, which is exposed in high-temperature exhaust gas for the long time and grain-grown, again into satisfactorily minute noble metal particles. SOLUTION: The catalyst for purifying exhaust gas comprises: a compound oxide particle A which consists of alumina and a first basic oxide containing at least one element selected from the group consisting of alkaline-earth elements, rare earth elements and 3A group elements and the content of which is 5-50 mass%; another compound oxide particle B consisting of zirconia and a second basic oxide containing at least one element selected from the group consisting of alkaline-earth elements, rare earth elements and 3A group elements; an additional component which is deposited on the compound oxide particle B and contains at least one element selected from the group consisting of alkaline-earth elements, rare earth elements and 3A group elements; and the noble metal deposited on the compound oxide particle B at least. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于净化废气的催化剂，即使在废气净化用催化剂暴露于高温废气中的情况下，也可以通过抑制贵金属的晶粒生长来抑制其活性的劣化长时间并且可以通过将在高温废气中长时间暴露并晶粒生长的贵金属再次分解成令人满意的微小贵金属颗粒而再生。解决方案：用于净化废气的催化剂包括：复合氧化物颗粒A，其由氧化铝和含有至少一种选自碱土元素，稀土元素和3A族元素的元素的第一碱性氧化物组成其含量为5-50质量％; 由氧化锆和含有选自碱土元素，稀土元素和3A族元素中的至少一种元素的第二碱性氧化物构成的复合氧化物粒子B; 沉积在复合氧化物粒子B上并含有选自碱土元素，稀土元素和3A族元素中的至少一种元素的附加成分; 以及至少沉积在复合氧化物粒子B上的贵金属。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007270672A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2007270672A
公开(公告)日：2007-10-18
申请号：JP2006094897
申请日：2006-03-30
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： TAKAGI NOBUYUKI , MIURA MASAHIDE , MATSUMOTO SHINICHI , TANABE TOSHITAKA , NAGAI YASUTAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , YAMAMOTO TOSHIO , IKEDA YASUO
IPC分类号： F01N3/20 , B01D53/94 , B01J23/10 , B01J23/42 , B01J23/58 , F01N3/08 , F01N3/10 , F01N3/24 , F01N3/34
CPC分类号： F01N3/0814 , F01N3/0842 , F01N3/0864 , F01N3/0885 , F01N3/101 , F01N3/22 , F01N13/009 , F01N2270/00 , F01N2370/00 , F01N2560/022 , F01N2560/026 , F01N2570/16 , Y02T10/22
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of preventing the purification rate of NOx from being lowered even during the regeneration of a catalyst. SOLUTION: This exhaust emission control device comprises a regenerable catalyst installed in the exhaust gas flow passage of an internal combustion engine and containing a carrier including a basic oxide and platinum carried on the carrier, a three-way catalyst or NOx storage/reduction catalyst, and an oxygen supply means. COPYRIGHT: (C)2008,JPO&INPIT

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