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21. 发明专利

JP2011255272A Catalyst for purifying exhaust gas 有权
标题翻译：用于净化排气的催化剂
公开(公告)号：JP2011255272A
公开(公告)日：2011-12-22
申请号：JP2010130165
申请日：2010-06-07
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO
IPC分类号： B01J23/63 , B01D53/94 , B01J23/56 , F01N3/10
CPC分类号： B01J35/0006 , B01D53/945 , B01D2255/1025 , B01D2255/2063 , B01D2255/2068 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/908 , B01D2255/9202 , B01D2258/012 , B01J21/04 , B01J21/066 , B01J23/464 , B01J23/63 , B01J35/023 , B01J37/038 , Y02T10/22
摘要： PROBLEM TO BE SOLVED: To obtain high exhaust gas purification performance with a small amount of catalytic metal, and to suppress deterioration of catalytic activity under high temperature.SOLUTION: A catalyst for purifying exhaust gas includes a catalyst layer where an A particle component and a B particle component coexist on a carrier. The A particle component is composed of a catalytic metal-doped CeZr-based composite oxide powder and has a particle size distribution with a peak in a particle size range equal to or more than 100 nm and equal to or less than 300 nm, and the mass ratio, CeO/(CeO+ZrO), of a CeZr-based composite oxide is equal to or more than 30% and equal to or less than 75%. The B particle component is composed of at least one selected from the group consisting of an activated alumina powder, a Zr-based oxide-supported alumina powder, and a catalytic metal-undoped CeZr-based composite oxide powder, and at least a part of the B particle component has a particle size larger than that of the A particle component.
摘要翻译：要解决的问题：用少量催化金属获得高排气净化性能，并抑制高温下催化活性的劣化。解决方案：用于净化废气的催化剂包括其中A颗粒组分和B颗粒组分共存在载体上的催化剂层。 A颗粒组分由催化金属掺杂的CeZr基复合氧化物粉末组成，其粒度分布具有等于或大于100nm且等于或小于300nm的粒度范围，并且质量比，CeO 2 /（CeO 2 + ZrO 2 ），的CeZr系复合氧化物等于或大于30％且等于或小于75％。 B粒子成分由选自活性氧化铝粉末，Zr类氧化物负载氧化铝粉末和催化金属未掺杂的CeZr系复合氧化物粉末中的至少一种构成，以及至少一部分 B粒子成分的粒径比A粒子成分大。版权所有（C）2012，JPO＆INPIT

22. 发明专利

JP2011200817A Exhaust gas purification catalyst 有权
标题翻译：排气净化催化剂
公开(公告)号：JP2011200817A
公开(公告)日：2011-10-13
申请号：JP2010071765
申请日：2010-03-26
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO
IPC分类号： B01J23/63 , B01D53/94 , B01J23/56 , B01J37/02
CPC分类号： B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/206 , B01D2255/2061 , B01D2255/2063 , B01D2255/2065 , B01D2255/2068 , B01D2255/20715 , B01D2255/2092 , B01D2255/902 , B01D2255/9022 , B01D2255/908 , B01D2255/92 , B01J23/63 , B01J35/0006 , B01J35/0073 , B01J35/04 , B01J37/0244 , B01J37/0248 , B01J37/031 , B01J2523/00 , Y02T10/22 , B01J2523/3712 , B01J2523/3725 , B01J2523/48 , B01J2523/31 , B01J2523/3706
摘要： PROBLEM TO BE SOLVED: To improve light-off performance of a catalyst relating to the exhaust gas purification catalyst.SOLUTION: A catalyst metal 5 is supported on oxide particles 4, 6 in a first catalyst layer 2, and a first binder particle 7 which is fine and has oxygen ion conductivity is interposed between the oxygen particles. A catalyst metal 11 is supported on oxygen particles 8, 9, 12 in a second catalyst layer 3 provided on or above the first catalyst layer 2, and second binder particle 13 which is fine and is capable of storing and releasing oxygen is interposed among the oxide particles.
摘要翻译：要解决的问题：提高与废气净化催化剂有关的催化剂的熄灭性能。解决方案：催化剂金属5负载在第一催化剂层2中的氧化物颗粒4,6上，第一粘合剂颗粒7 在氧颗粒之间插入有氧离子传导性。催化剂金属11被负载在设置在第一催化剂层2上或第二催化剂层2上的第二催化剂层3中的氧颗粒8,9,12上，并且能够存储和释放氧的第二粘合剂颗粒13插入氧化物颗粒。

23. 发明专利

JP2011101839A Exhaust gas purifying catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2011101839A
公开(公告)日：2011-05-26
申请号：JP2009257278
申请日：2009-11-10
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , YAMADA KEIJI , SHIGETSU MASAHIKO , TAKAMI AKIHIDE
IPC分类号： B01J23/58 , B01D53/94 , B01J35/04 , F01N3/18
摘要： PROBLEM TO BE SOLVED: To enhance the capacity or durability of an exhaust gas purifying catalyst. SOLUTION: Rh doped CeZr type composite oxide powder, wherein CeZr composite oxide particles containing Pr, La, Y or Nd or compounded with Al 2 O 3 are doped with Rh in a solid solution state, and noble metal supported heat-resistant powder, wherein a noble metal (Pt or Pd) is supported on heat-resistant particles comprising La-containing Al 2 O 3 particles, BaSO 4 particles or composite particles of a CeZr type composite oxide and Al 2 O 3 , are contained in the catalyst layer 2 of a honeycomb carrier 1. The noble metal supported heat-resistant power is contained in the upstream side range of the exhaust gas stream of the catalyst layer 2 and the support amount of the noble metal per the unit volume of the honeycomb carrier is smaller than that of the upstream side range or zero within the downstream side range succeeding to the upstream side range. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高废气净化催化剂的容量或耐久性。解决方案：Rh掺杂的CeZr型复合氧化物粉末，其中包含Pr，La，Y或Nd或与Al 2 O 3 SB 3复合氧化物复合氧化物颗粒掺杂有 Rh和固体溶液状态的贵金属负载的耐热粉末，其中贵金属（Pt或Pd）负载在包含含La的Al 2 SB 3的耐热颗粒上在该催化剂中含有CeZr型复合氧化物和Al 2 O 3 SB 3颗粒或BaSO 4 SBS 4 / SB SB的复合颗粒蜂窝载体1的层2。贵金属负载的耐热功率包含在催化剂层2的排气流的上游侧范围内，并且贵金属的每单位体积的蜂窝载体的支撑量为小于上游侧范围，或者在上游侧范围之后的下游侧范围内为零。版权所有（C）2011，JPO＆INPIT

24. 发明专利

JP2010051886A Catalyst for cleaning exhaust gas 审中-公开
标题翻译：催化剂用于清洁排气
公开(公告)号：JP2010051886A
公开(公告)日：2010-03-11
申请号：JP2008218689
申请日：2008-08-27
申请人： Mazda Motor Corp , マツダ株式会社
发明人： KAWABATA HISAYA , AKAMINE MASAAKI , MURAKAMI HIROSHI , YAMASE SHODAI
IPC分类号： B01J23/63 , B01D53/94 , B01J20/06 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide an HC trap catalyst suppressing discharge of HCs and NOx to the atmosphere before the catalyst is activated. SOLUTION: The catalyst for cleaning exhaust gas being the HC trap catalyst includes: an HC adsorption layer 2 which is arranged on a carrier 1 and used for adsorbing the HC in the exhaust gas; a catalyst layer 3 which is arranged above the HC adsorption layer 2 and used for removing the HC to be desorbed from the HC adsorption layer 2; and an NOx adsorption layer 4 which is arranged between the HC adsorption layer 2 and the catalyst layer 3 and contains a Ce-containing oxide particle and an iron oxide particle being in contact with the Ce-containing oxide particle. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种HC催化剂，其在催化剂活化之前抑制HC和NOx向大气中的排放。作为HC捕集催化剂的排气净化用催化剂包括：HC吸附层2，其被配置在载体1上，用于吸附废气中的HC; 催化剂层3，其设置在HC吸附层2的上方，用于除去从HC吸附层2脱附的HC; 以及设置在HC吸附层2和催化剂层3之间并含有含Ce氧化物粒子和与含Ce氧化物粒子接触的氧化铁粒子的NOx吸附层4。版权所有（C）2010，JPO＆INPIT

25. 发明专利

JP2009220100A Exhaust gas cleaning catalyst 有权
标题翻译：排气净化催化剂
公开(公告)号：JP2009220100A
公开(公告)日：2009-10-01
申请号：JP2009007678
申请日：2009-01-16
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO , KAWABATA HISAYA
IPC分类号： B01J23/63 , B01D53/86 , B01D53/94 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To enhance cleaning performance of HC and CO when turning to a rich air/fuel ratio while securing high temperature NOx removing performance. SOLUTION: A first ZrCeNd composite oxide of a lower layer 2 contains, in mass%, 55-75% ZrO 2 , 15-35% CeO 2 , 5-15% Nd 2 O 3 , and only Pd is carried as the catalyst metal. A second ZrCeNd composite oxide of an upper layer 3 contains, in mass%, 75-85% ZrO 2 , 5-15% CeO 2 , 5-15% Nd 2 O 3 , and only Rh is carried as the catalyst metal. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提高HC和CO的清洁性能，在确保高温NOx去除性能的同时转向富空燃比。解决方案：下层2的第一ZrCeNd复合氧化物以质量％计含有55-75％ZrO 2 SBB，15-35％CeO SB 2，5 -15％的Nd O 3 ，只有Pd作为催化剂金属被携带。上层3的第二ZrCeNd复合氧化物以质量％计含有75-85％ZrO 2 SBB，5-15％CeO SB 2，5-15％Nd， SB> 2 3 ，只有Rh作为催化剂金属被携带。版权所有（C）2010，JPO＆INPIT

26. 发明专利

JP2009041422A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2009041422A
公开(公告)日：2009-02-26
申请号：JP2007206252
申请日：2007-08-08
申请人： Mazda Motor Corp , マツダ株式会社
发明人： KAWABATA HISAYA , AKAMINE MASAAKI , SHIGETSU MASAHIKO
IPC分类号： F01N3/08 , B01D53/94 , F01N3/22
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device supplying active oxygen upstream a catalyst when exhaust gas temperature is not higher than catalyst activating temperature after engine start and inhibiting a problem that the active oxygen is decomposed before reaching the catalyst when flow speed of exhaust gas flowing in an exhaust passage upstream the catalyst is low. SOLUTION: A control unit 20 operates an air supply pump 13 and an ozone generating device 14 and supplies ozone to the exhaust passage 3 upstream the catalyst 11 when the exhaust gas temperature detected by an exhaust gas temperature sensor 15 after start of an engine 1 is not higher than the activating temperature of the exhaust emission control catalyst 11. In this case, when the flow speed of exhaust gas flowing in the exhaust passage 3 upstream the catalyst 11 is not higher than a predetermined value, the flow speed of exhaust gas flowing in the exhaust passage 3 upstream the catalyst 11 is increased by operating an air supply device 16 and supplying air to the exhaust passage 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种废气排放控制装置，当废气温度不高于发动机起动后的催化剂活化温度时，向催化剂上游供应活性氧，并且抑制在到达催化剂之前活性氧分解的问题，在催化剂上游的排气通道中流动的废气的流速低。解决方案：控制单元20操作空气供应泵13和臭氧产生装置14，并且当在排气温度传感器15开始之后检测到的废气温度时，将臭氧供给到催化剂11上游的排气通道3 发动机1不高于废气排放控制催化剂11的活化温度。在这种情况下，当在催化剂11上游的排气通路3中流动的排气的流速不高于预定值时，通过操作空气供应装置16并向排气通道3供应空气，增加了在催化剂11上游的排气通道3中流动的排气。（C）2009，JPO＆INPIT

27. 发明专利

JP2008194605A Catalyst for cleaning exhaust gas 审中-公开
标题翻译：催化剂用于清洁排气
公开(公告)号：JP2008194605A
公开(公告)日：2008-08-28
申请号：JP2007031969
申请日：2007-02-13
申请人： Mazda Motor Corp , マツダ株式会社
发明人： KAWABATA HISAYA , SHIGETSU MASAHIKO , AKAMINE MASAAKI
IPC分类号： B01J23/58 , B01D53/94 , F01N3/08 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To avoid a large decrease of the oxygen occluding function of a CeZr-based double oxide even if the quick rise of a catalyst temperature by the oxidation combustion heat of an exhaust gas by ozone occurs in a system for cleaning the exhaust gas feeding ozone to the catalyst at a low temperature. SOLUTION: The CeZr-based double oxide and an alkali earth metal are separated each other, the former is installed on the upper side of a catalyst layer 22 and the latter is installed on the lower side of the catalyst layer 23. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了避免CeZr基双氧化物的吸氧功能的大幅度降低，即使在由臭氧的废气的氧化燃烧热引起的催化剂温度的快速上升发生在用于在低温下清洁向催化剂供给臭氧的废气。解决方案：CeZr基双氧化物和碱土金属彼此分离，前者安装在催化剂层22的上侧，后者安装在催化剂层23的下侧。 P>版权所有（C）2008，JPO＆INPIT

28. 发明专利

JP2008150980A Exhaust emission control device 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2008150980A
公开(公告)日：2008-07-03
申请号：JP2006338026
申请日：2006-12-15
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SHIGETSU MASAHIKO , KAWABATA HISAYA , AKAMINE MASAAKI
IPC分类号： F01N3/08 , B01D53/86 , B01D53/94 , F01N3/24 , F01N3/28 , F01N3/30
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device that ensures to suppress the discharge of unburnt exhaust gas component that has passed through catalyst while remaining unreactive during cold starting, in a technology to purify HC component and CO component by supplying active oxygen component in exhaust gas discharged from an engine. SOLUTION: The device includes an upstream side active oxygen component supplying means 30, 31, 50 to 52 capable of supplying active oxygen component to an upstream side area of an exhaust gas passage 20 from a three-way catalyst 21 disposed at the exhaust gas passage 20 of an engine 10, an HC adsorption material 23 disposed at the exhaust gas passage 20 downstream from the three-way catalyst 21, a downstream side active oxygen component supplying means 40, 41, 50 to 52 capable of supplying an active oxygen component to the upstream side of the exhaust gas passage 20 from the HC adsorption material 23, and an active oxygen component supply controlling means 100 for operating the upstream side active oxygen component supplying means 30, 31, 50 to 52 and the downstream side active oxygen component supplying means 40, 41, 50 to 52. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种废气排放控制装置，其通过供给来净化HC成分和CO成分的技术，确保能够抑制通过催化剂的未燃烧废气成分的排出而在冷启动期间保持不反应从发动机排出的废气中的活性氧成分。解决方案：该装置包括上游侧活性氧成分供给装置30,31,50〜52，其能够从设置在排气通路20的三通催化剂21向排气通路20的上游侧区域供给活性氧成分发动机10的废气通道20，设置在三通催化剂21下游的废气通道20处的HC吸附材料23，能够供给活性物质的下游侧活性氧成分供给装置40,41,50〜52 氧分量从HC吸附材料23流向废气通道20的上游侧;以及活性氧成分供给控制装置100，用于操作上游侧活性氧成分供给装置30,31,50〜52，下游侧活性物质氧分量供给装置40,41,50〜52。版权所有（C）2008，JPO＆INPIT

29. 发明专利

JP2008062130A Exhaust gas cleaning catalyst containing oxygen storage material particle 审中-公开
标题翻译：含氧储存材料颗粒的排气净化催化剂
公开(公告)号：JP2008062130A
公开(公告)日：2008-03-21
申请号：JP2006240084
申请日：2006-09-05
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO , KAWABATA HISAYA
IPC分类号： B01J23/63 , B01D53/94 , B01J23/56
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas cleaning catalyst the deterioration of which can be judged with high precision by approaching the judged result based on oxygen concentration, which can be measured while riding in a car as a method for easily evaluating the performance of the exhaust gas cleaning catalyst, to the judged result based on light-off temperature (T50). SOLUTION: The exhaust gas cleaning catalyst containing an oxygen storage material particle being an oxygen storage material particle mixture obtained by mixing a first cerium-based oxygen storage material particle (A) having a first number-average particle diameter with a second cerium-based oxygen storage material particle (B), which has the same composition as that of the first cerium-based oxygen storage material particle (A) and a second number-average particle diameter larger than the first number-average particle diameter, so that the time that the oxygen storage/release capacity of the exhaust gas cleaning catalyst is deteriorated becomes a predetermined time. 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，其可以通过接近基于氧气浓度的判断结果以高精度判断其劣化，该氧浓度可以在乘坐汽车时测量，作为容易评估的方法废气净化催化剂的性能，根据起燃温度（T50）判定结果。解决方案：含有储氧材料颗粒的废气净化催化剂是通过将第一数均粒径的第一铈基储氧材料颗粒（A）与第二铈混合而获得的储氧材料颗粒混合物的氧储存材料颗粒（B），其具有与第一铈基储氧材料颗粒（A）相同的组成和大于第一数均粒径的第二数均粒径，使得废气净化催化剂的氧气储存/释放能力劣化的时间变成预定时间。版权所有（C）2008，JPO＆INPIT

30. 发明专利

JP2008023429A Exhaust gas cleaning catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2008023429A
公开(公告)日：2008-02-07
申请号：JP2006196987
申请日：2006-07-19
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , KAWABATA HISAYA , HARADA KOICHIRO , AKAMINE MASAAKI , SUZUKI KENJI , MINOSHIMA KOJI
IPC分类号： B01J23/89 , B01D53/86 , B01D53/94 , F01N3/08 , F01N3/10 , F01N3/24 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas cleaning catalyst capable of improving a cleaning performance of an exhaust gas, and suppressing a catalyst layer from exfoliating. SOLUTION: The exhaust gas cleaning catalyst is formed such that the outer periphery of a honeycomb carrier 3 is disposed with a permanent magnet or a magnetic field generating device, and the catalyst layer 4 formed on the honeycomb carrier includes magnetic materials 5 and catalytic metals 6. The catalyst layer of the exhaust gas cleaning catalyst further includes components 8 for enhancing basicity, and at least a part of the component for enhancing the basicity is carried on the surface of a particle of the magnetic material. Furthermore, the component for enhancing basicity is a compound including at least one kind of a component selected from an alkaline metal, an alkaline earth metal and a rare earth metal. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供能够提高排气的清洗性能，抑制催化剂层脱落的排气净化催化剂。解决方案：废气净化催化剂形成为使得蜂窝载体3的外周设置有永磁体或磁场产生装置，形成在蜂窝载体上的催化剂层4包括磁性材料5和催化金属6.废气净化催化剂的催化剂层还包含用于增强碱性的组分8，并且用于增强碱性的组分的至少一部分被承载在磁性材料颗粒的表面上。此外，用于增强碱度的组分是包含至少一种选自碱金属，碱土金属和稀土金属的组分的化合物。版权所有（C）2008，JPO＆INPIT

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