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1. 发明专利

JP2007136419A Exhaust gas purification catalyst 有权
标题翻译：排气净化催化剂
公开(公告)号：JP2007136419A
公开(公告)日：2007-06-07
申请号：JP2005337070
申请日：2005-11-22
申请人： Mazda Motor Corp , Toda Kogyo Corp , マツダ株式会社 , 戸田工業株式会社
发明人： MIYOSHI SEIJI , YAMADA KEIJI , IWAKUNI HIDEJI , HARADA KOICHIRO , MINOSHIMA KOJI , TAKAMI AKIHIDE , HONDA TOMOHIRO , URAI TOMOAKI , FUJIMOTO RYOTA
IPC分类号： B01J23/63 , B01D53/94 , B01J23/58 , F01N3/08 , F01N3/10 , F01N3/28
CPC分类号： B01J23/10 , B01D53/945 , B01D2255/407 , B01D2255/908 , B01D2255/91 , B01J23/002 , B01J23/63 , B01J35/04 , B01J35/08 , B01J37/0045 , B01J37/343 , B01J2523/00 , Y02T10/22 , B01J2523/3712 , B01J2523/48
摘要： PROBLEM TO BE SOLVED: To improve the light-off performance and durability of an exhaust gas purification catalyst. SOLUTION: An exhaust gas purification catalyst includes an oxygen storage material consisting of double oxide containing cerium and zirconium and has a catalytic metal carried on the oxygen storage material, wherein the oxygen storage material is in the form of hollow secondary particles in each of which primary particles of an average particle size of less than 10 nm cohere to form a shell. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提高废气净化催化剂的起燃性能和耐久性。解决方案：废气净化催化剂包括由含有铈和锆的双氧化物组成的储氧材料，并且具有承载在储氧材料上的催化金属，其中每个储氧材料为中空二次颗粒的形式其中平均粒度小于10nm的初级粒子形成壳。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007136421A Manufacturing method of exhaust gas treatment catalyst 有权
标题翻译：排气处理催化剂的制造方法
公开(公告)号：JP2007136421A
公开(公告)日：2007-06-07
申请号：JP2005337091
申请日：2005-11-22
申请人： Mazda Motor Corp , Toda Kogyo Corp , マツダ株式会社 , 戸田工業株式会社
发明人： IWAKUNI HIDEJI , MIYOSHI SEIJI , TAKAMI AKIHIDE , HONDA TOMOHIRO , URAI TOMOAKI , FUJIMOTO RYOTA
IPC分类号： B01J35/08 , B01D53/94 , B01J23/58 , B01J37/02 , F01N3/08 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To increase the treatment efficiency of an exhaust gas treatment catalyst by increasing the specific surface area of a carrier of a Ce-Zr type compounded oxide and reliably depositing the catalyst metal even on fine pores of the carrier. SOLUTION: The manufacturing method of the catalyst involves obtaining a hollow secondary particle carrier made of a compounded oxide containing Ce and Zr and consisting of primary particles with an average particle diameter smaller than 10 nm which are agglomerated to form shells having finely small holes insides, heating a suspension obtained by dispersing the secondary particle carrier in an aqueous solution of a catalyst metal ion in a container while degassing the container in reduced pressure for evaporating water, and thereby reliably depositing the catalyst metal on not only the surface of the secondary particle carrier but also the inside of the finely small pores. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了通过增加Ce-Zr型复合氧化物的载体的比表面积并且甚至在载体的细孔上可靠地沉积催化剂金属来提高废气处理催化剂的处理效率。解决方案：催化剂的制造方法包括获得由包含Ce和Zr的复合氧化物制成的中空二次粒子载体，其由平均粒径小于10nm的一次粒子组成，其被聚集形成具有细小的壳加热通过将二次粒子载体分散在催化剂金属离子的水溶液中而获得的悬浮液，同时在减压下对容器进行脱气以蒸发水，从而可靠地将催化剂金属沉积在不仅在二次粒子载体，也是细小孔的内部。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2008006337A 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：JP2008006337A
公开(公告)日：2008-01-17
申请号：JP2006177042
申请日：2006-06-27
申请人： Mazda Motor Corp , Toda Kogyo Corp , マツダ株式会社 , 戸田工業株式会社
发明人： HONDA TOMOHIRO , URAI TOMOAKI , FUJIMOTO RYOTA , IWAKUNI HIDEJI , TAKAMI AKIHIDE , FURUYA TATSUYA , MIYOSHI SEIJI
IPC分类号： B01J23/58 , B01D53/94 , B01J35/08 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To enhance the heat resistance of a catalyst for cleaning an exhaust gas, which keeps hollow complex oxide particles containing Ce and Zr included in a catalyst layer on a carrier. SOLUTION: The mass ratio of CeO 2 /ZrO 2 of the Ce-Zr based hollow complex oxide particles is made 50/50 or more and also the mass ratio of a cubic crystal in the hollow complex oxide particles is made 74-82%. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高用于清洁排气的催化剂的耐热性，其将包含在催化剂层中的包含Ce和Zr的中空复合氧化物颗粒保持在载体上。解决方案：Ce-Zr系中空复合氧化物粒子的CeO 2 / ZrO 2 的质量比为50/50以上，质量比的中空复合氧化物颗粒中的立方晶体为74-82％。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2009078203A Catalytic material for cleaning exhaust gas, method for manufacturing the same and catalyst using the same 审中-公开
标题翻译：用于清洁排气的催化材料，其制造方法和使用其的催化剂
公开(公告)号：JP2009078203A
公开(公告)日：2009-04-16
申请号：JP2007247639
申请日：2007-09-25
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MINOSHIMA KOJI , MIYOSHI SEIJI , IWAKUNI HIDEJI , TAKAMI AKIHIDE , SUMITA HIROSUKE
IPC分类号： B01J23/63 , B01D53/94 , B01J37/03
摘要： PROBLEM TO BE SOLVED: To improve the performance for cleaning exhaust gas and heat resistance, of a catalyst. SOLUTION: A catalytic material for cleaning exhaust gas is characterized in that a catalytic metal particle 2 is deposited on a Ce-Zr compound oxide particle 1. The Ce-Zr compound oxide particles 1 are agglomerated so that a secondary particle is formed from primary particles 3 of a Ce-Zr compound oxide. A most of the catalytic metal particles 2 are deposited on the surface of the secondary particle and a part of the catalytic metal particles 2 are arranged among the primary particles. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提高催化剂的废气和耐热性的清洗性能。解决方案：用于清洁废气的催化材料的特征在于，催化金属颗粒2沉积在Ce-Zr复合氧化物颗粒1上.Cr-Zr复合氧化物颗粒1凝聚，形成二次颗粒从Ce-Zr复合氧化物的一次粒子3。大多数催化金属颗粒2沉积在二次颗粒的表面上，一部分催化金属颗粒2被布置在一次颗粒中。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2006297259A Exhaust gas clarifying catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2006297259A
公开(公告)日：2006-11-02
申请号：JP2005121314
申请日：2005-04-19
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , YAMADA KEIJI , TAKAMI AKIHIDE
IPC分类号： B01J37/04 , B01D53/94 , B01J23/63 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To assure expected performance of clarifying exhaust gas while reducing amount of catalyst metal as much as possible. SOLUTION: The catalyst is a mixture composed of a catalyst metal doping type multiple oxide 1, in which the catalyst metal 3 is arranged at crystal lattice point or between lattice points of the multiple oxide having oxygen occluding ability and further a part of the catalyst metal 3 is exposed on a surface of the multiple oxide, and a catalyst metal contacting carrying type oxide 2, on which the same kind of catalyst metal 3 is deposited by bringing the oxide into contact with a solution of the catalyst metal. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：尽可能地减少催化剂金属的量，以确保排气净化的预期性能。解决方案：催化剂是由催化剂金属掺杂型多重氧化物1组成的混合物，其中催化剂金属3排列在具有阻氧能力的多重氧化物的晶格点或晶格点之间，并且还有一部分催化剂金属3暴露在多重氧化物的表面上，并且通过使氧化物与催化剂金属的溶液接触而沉积有相同种类的催化剂金属3的催化剂金属接触型氧化物2。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006035029A Catalyst for purification of exhaust gas 有权
标题翻译：催化剂用于净化排气
公开(公告)号：JP2006035029A
公开(公告)日：2006-02-09
申请号：JP2004215649
申请日：2004-07-23
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , YAMADA KEIJI , TAKAMI AKIHIDE
IPC分类号： B01J23/58 , B01D53/94 , B01J35/04
摘要： PROBLEM TO BE SOLVED: To control sintering of Pt used in the lean NOx catalyst. SOLUTION: A Ce-based double oxide with Ce arranged at the crystal lattice is employed as an oxygen-supplying source for oxidizing NO in exhaust gas into NO 2 and causing the NO 2 to be absorbed with an NOx-absorbing material. Pt is arranged at the crystal lattice or between atoms of the Ce-based oxide to make the Pt expose on the surface of microcrystals of the Ce-based oxide. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了控制在稀的NOx催化剂中使用的Pt的烧结。解决方案：采用在晶格上排列的Ce的Ce基双氧化物作为氧气供给源，用于将废气中的NO转化为NO 2 并使NO 2 被吸收NO x的材料吸收。 Pt布置在Ce基氧化物的晶格处或原子之间，使Pt暴露在Ce基氧化物的微晶的表面上。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005329318A Diesel particulate filter 审中-公开
标题翻译：柴油颗粒过滤器
公开(公告)号：JP2005329318A
公开(公告)日：2005-12-02
申请号：JP2004149652
申请日：2004-05-19
申请人： Mazda Motor Corp , マツダ株式会社
发明人： HARADA KOICHIRO , TAIO YOSHINORI , TAKAMI AKIHIDE , IWAKUNI HIDEJI , YAMADA KEIJI , MIYOSHI SEIJI
IPC分类号： F01N3/02 , B01D46/42 , B01D53/94 , B01J23/63 , F01N3/10 , F01N3/24
CPC分类号： B01D53/94 , B01J23/002 , B01J23/63 , B01J2523/00 , F01N2510/06 , B01J2523/3712 , B01J2523/3725 , B01J2523/48 , B01J2523/822 , B01J2523/828
摘要： PROBLEM TO BE SOLVED: To lower the combustion temperature of a particulate and to prevent the sintering of catalytic noble metal. SOLUTION: A coating layer containing a multiple oxide particle having Ce and Zr is formed on the wall surface of an exhaust gas flow passage of a filter main body which is arranged in an exhaust passage of a Diesel engine and collects the particulate in the exhaust gas. As the catalytic noble metals for allowing oxidizing combustion of the particulate, Rh arranged in a crystalline lattice of the multiple oxide particle or between atoms and existing in the inner part or the surface of the particle and Pt arranged in a crystalline lattice of the multiple oxide particle or between atoms and existing on the surface of the particles, are included. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：降低颗粒的燃烧温度并防止催化贵金属的烧结。解决方案：在设置在柴油发动机的排气通道中的过滤器主体的废气流动通道的壁表面上形成包含具有Ce和Zr的多重氧化物颗粒的涂层，并将颗粒收集在废气。作为用于允许颗粒的氧化燃烧的催化贵金属，Rh布置在多重氧化物颗粒的晶格中或原子之间并存在于颗粒的内部或表面中的Pt和布置在多重氧化物的晶格中的Pt 颗粒或原子之间并存在于颗粒表面上。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2003311152A Catalyst for purifying exhaust gas and exhaust gas purifier 有权
标题翻译：用于净化排气和排气净化器的催化剂
公开(公告)号：JP2003311152A
公开(公告)日：2003-11-05
申请号：JP2002263573
申请日：2002-09-10
申请人： Mazda Motor Corp , マツダ株式会社
发明人： YAMADA KEIJI , MIYOSHI SEIJI , TAKAMI AKIHIDE , OKAMOTO KENJI
IPC分类号： F01N3/08 , B01D53/94 , B01J21/06 , B01J23/10 , B01J23/58 , B01J23/63 , B01J37/02 , F01N3/10 , F01N3/28
CPC分类号： B01D53/9422 , B01D2255/1021 , B01D2255/1025 , B01D2255/2022 , B01D2255/2042 , B01D2255/2047 , B01D2255/407 , B01D2258/012 , B01J21/066 , B01J23/10 , B01J23/63 , B01J37/0242 , B01J37/0244
摘要： PROBLEM TO BE SOLVED: To increase the NOx purification rate of a lean NOx catalyst 1 at rich time when the temperature of exhaust gas is high. SOLUTION: In the lean NOx catalyst 1 containing a NOx absorbent which absorbs NOx in the exhaust gas under oxygen excess atmosphere where the oxygen concentration is high and discharges the absorbed NOx by the reduction of the oxygen concentration in the exhaust gas in the prescribed temperature region, and a noble metal, the catalyst 1 further contains a Ce-Zr-Pr multiple oxide. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了在废气温度高时在富时提高稀NOx催化剂1的NOx净化率。解决方案：在含有NOx吸收剂的稀NOx催化剂1中，其在氧浓度高的氧过剩气氛下吸收废气中的NOx，并且通过降低废气中的氧浓度而排出吸收的NOx 规定的温度区域和贵金属，催化剂1还含有Ce-Zr-Pr多重氧化物。版权所有（C）2004，JPO

9. 发明专利

JP2010265795A 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：JP2010265795A
公开(公告)日：2010-11-25
申请号：JP2009117179
申请日：2009-05-14
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , KURAMASU HIROSHI , YAMADA HIDEKI , SUNANAGARE TAKETAKA , SHIGETSU MASAHIKO , SHIMIZU TAEKO , KAWABATA HISAYA
IPC分类号： F01N3/28 , B01D53/94 , B01J23/63 , B01J37/02 , F01N3/10 , F01N3/24 , F02D19/08
摘要： PROBLEM TO BE SOLVED: To purify the exhaust gas from an engine 1 to work with a fuel containing alcohol. SOLUTION: In the exhaust gas passage 2 of the engine 1, a first catalyst 3 and a second catalyst 4 are installed in such an arrangement that the second catalyst 4 is positioned downstream of the first catalyst 3 with respect to the exhaust gas flow, wherein the first catalyst 3 positioned upstream is structured so that a catalyst layer containing Pt, Pd, and Rh is formed on the cell wall of a honeycomb carrier, the catalyst layer includes a layer containing Pd as inevitable component laid lower and another layer containing Rh as inevitable component laid upper. The second catalyst 4 positioned downstream includes a catalyst layer containing Pt-carrying alumina and Rh-doped CeZr based composite oxide is formed on the cell wall of honeycomb carrier. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：净化来自发动机1的废气以与含有酒精的燃料一起工作。解决方案：在发动机1的废气通道2中，第一催化剂3和第二催化剂4安装成使得第二催化剂4相对于废气位于第一催化剂3的下游流动，其中位于上游的第一催化剂3被构造成使得在蜂窝状载体的细胞壁上形成含有Pt，Pd和Rh的催化剂层，催化剂层包括含有Pd作为不可避免的成分的层，另一层含Rh作为不可避免的成分。位于下游的第二催化剂4包括在蜂窝载体的细胞壁上形成含有载Pt的氧化铝和Rh掺杂的CeZr基复合氧化物的催化剂层。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010264371A Exhaust gas purifying device 有权
标题翻译：排气净化装置
公开(公告)号：JP2010264371A
公开(公告)日：2010-11-25
申请号：JP2009117180
申请日：2009-05-14
申请人： Mazda Motor Corp , マツダ株式会社
发明人： KAWABATA HISAYA , OCHI YASUHIRO , MIYOSHI SEIJI , KURAMASU HIROSHI , FUJII IKUKO
IPC分类号： B01D53/94 , B01J23/63 , B01J35/04 , B01J37/02 , F01N3/10 , F01N3/28 , F02D19/08
摘要： PROBLEM TO BE SOLVED: To purify the exhaust gas of an engine 1 using an alcohol-containing fuel. SOLUTION: A first catalyst 3 and a second catalyst 4 are arranged in the exhaust gas passage 2 of the engine 1 so that the latter is positioned on the downstream side of an exhaust gas flow of the former. The first catalyst 3 on the upstream side is provided to the cell walls of a honeycomb carrier so that a Pt-containing layer, which contains CeMg composite oxide particles, and a Rh-containing layer are formed on the upper side of a Pd-containing layer and the Pt-containing layer is provided to the range from the edge surface on the upstream side of the honeycomb carrier to the intermediate region of the honeycomb carrier. The second catalyst 4 on the downstream side is constituted so that a catalyst layer, which contains Pt-carrying alumina and an Rh-doped CeZr composite oxide or a Rh-carrying CeZr composite oxide, is formed on the cell walls of the honeycomb carrier. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：使用含酒精的燃料净化发动机1的废气。解决方案：第一催化剂3和第二催化剂4布置在发动机1的排气通道2中，使得后者位于前者的废气流的下游侧。将上游侧的第一催化剂3设置在蜂窝载体的细胞壁上，使含有CeMg复合氧化物粒子的含Pt层和含Rh层形成在含Pd的上层层和含Pt层设置在从蜂窝载体的上游侧的边缘表面到蜂窝载体的中间区域的范围内。在下游侧的第二催化剂4构成为在蜂窝载体的孔壁上形成含有载Pt的氧化铝和Rh掺杂的CeZr复合氧化物或负载Rh的CeZr复合氧化物的催化剂层。版权所有（C）2011，JPO＆INPIT

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