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21. 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

22. 发明专利

JP2007185618A Exhaust gas purifying catalyst 有权
标题翻译：排气净化催化剂
公开(公告)号：JP2007185618A
公开(公告)日：2007-07-26
申请号：JP2006006341
申请日：2006-01-13
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： URAI TOMOAKI , HONDA TOMOHIRO , KURATA KATSUAKI , IWAKUNI HIDEJI , TAKAMI AKIHIDE
IPC分类号： B01D53/86 , B01D53/94 , B01J23/10 , B01J35/04 , B01J35/10 , B01J37/08 , F01N3/10 , F01N3/28
CPC分类号： B01D53/945 , B01D2255/1025 , B01D2255/407 , B01D2255/908 , B01J21/066 , B01J23/002 , B01J23/10 , B01J23/63 , B01J35/08 , B01J37/0018 , B01J37/0045 , B01J37/0248 , B01J2523/00 , F01N3/2828 , Y02T10/22 , B01J2523/3712 , B01J2523/48 , B01J2523/822 , B01J2523/22
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst containing a CeZr based multiple oxide which can maintain a hollow body structure to secure the oxygen storage performance even after being exposed to hot exhaust gas.
SOLUTION: The exhaust gas purifying catalyst consists of a catalyst layer having the multiple oxide which is formed on the surface of a honeycomb carrier, contains cerium (Ce) and zirconium (Zr) and has the hollow body structure, and a catalytic metal supported on the multiple oxide, wherein the multiple oxide having the hollow body structure receives the thermal hysteresis of 1,000 °C in air and for 24 h and thereafter contains particles having the shape of the outside diameter of 750-1,000 nm and the hull thickness of 80-120 nm.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种含有CeZr基多氧化物的废气净化催化剂，其能够保持中空体结构，即使在暴露于热废气之后也能确保储氧性能。解决方案：废气净化催化剂由在蜂窝载体表面形成的具有多重氧化物的催化剂层组成，含有铈（Ce）和锆（Zr），并具有中空体结构，催化剂负载在多重氧化物上的金属，其中具有中空体结构的多重氧化物在空气中受到1,000℃的热滞后和24小时，此后包含具有750-1000nm外径形状的颗粒和船体厚度为80-120纳米。版权所有（C）2007，JPO＆INPIT

23. 发明专利

JP2006326550A 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：JP2006326550A
公开(公告)日：2006-12-07
申请号：JP2005157359
申请日：2005-05-30
申请人： Mazda Motor Corp , マツダ株式会社
发明人： YAMADA KEIJI , MIYOSHI SEIJI , IWAKUNI HIDEJI , AKAMINE MASAAKI , TAKAMI AKIHIDE
IPC分类号： B01J23/63 , B01D53/94 , F01N3/10 , F01N3/28
CPC分类号： Y02P20/52
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying an exhaust gas to enhance resistance to poisoning by sulfur without increasing the amount of catalyst metals. SOLUTION: The catalyst for purifying an exhaust gas comprises a combination of a CeZr-based compound oxide containing of Ce and Zr, and a catalyst metal of Rh, wherein the compound oxide is strengthened in its basic by adding a third metal constituent M such as an alkali metal in addition to Ce and Zr while Rh is arranged on a crystal lattice point or between crystal lattice points. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于净化废气的催化剂，以增加硫的中毒性，而不增加催化剂金属的量。解决方案：用于净化废气的催化剂包括含有Ce和Zr的CeZr系复合氧化物和Rh的催化剂金属的组合，其中通过添加第三金属成分使复合氧化物在其碱性条件下被强化 M，例如除了Ce和Zr之外的碱金属，而Rh布置在晶格点或晶格点之间。版权所有（C）2007，JPO＆INPIT

24. 发明专利

JP2006194827A Inspection analysis method of double oxide powder for catalyst 有权
标题翻译：二氧化钛粉末催化剂检测分析方法
公开(公告)号：JP2006194827A
公开(公告)日：2006-07-27
申请号：JP2005009171
申请日：2005-01-17
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SADAI ASAKO , IWAKUNI HIDEJI
IPC分类号： G01N21/65 , B01J23/10 , C01G25/00
摘要： PROBLEM TO BE SOLVED: To provide an inspection analysis method of double oxide for catalyst useful for previously knowing which exhaust gas purification characteristics result in when the double oxide powder containing Zr is actually used as a catalyst.
SOLUTION: The ratio I
1 /I
2 between the peak intensity I
1 in a first wave number domain and the peak intensity I
2 in a second wave number domain of a Raman shift related to oxygen atom contained in the double oxide powder is determined at a plurality of temperatures in a reducing atmosphere by a Raman spectroscopic analysis. The variation degree of the peak intensity ratio I
1 /I
2 dependent on the temperature, and crystal structure characteristics related to the oxygen atom of the double oxide powder are inspected based on this variation degree.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种催化剂用双重氧化物的检查分析方法，其用于事先知道当实际使用含有Zr的双氧化物粉末作为催化剂时，哪种废气净化特性导致。解决方案：第一波数域中的峰强度I SB = 1 / SB SB之间的比值I 1 / I 2 和峰强度I 通过拉曼光谱分析，在还原气氛中的多个温度下测定与双氧化物粉末中所含有的氧原子相关的拉曼位移的第二波数域中的 2 。基于温度的峰强度比I 1 / SB 2 / SB SB的变化程度和与双氧化物粉末的氧原子相关的晶体结构特性基于这个变化程度。版权所有（C）2006，JPO＆NCIPI

25. 发明专利

JP2006183624A Air-fuel ratio controller and air-fuel ratio control method for engine 审中-公开
标题翻译：空气燃料比率控制器和发动机的空气 - 燃料比率控制方法
公开(公告)号：JP2006183624A
公开(公告)日：2006-07-13
申请号：JP2004380385
申请日：2004-12-28
申请人： Mazda Motor Corp , マツダ株式会社
发明人： TAKAMI AKIHIDE , MIYOSHI SEIJI , YAMADA KEIJI , HARADA KOICHIRO , IWAKUNI HIDEJI , AKAMINE MASAAKI
IPC分类号： F02D41/04 , B01D53/94 , F01N3/10 , F01N3/24 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To prevent the activity of a catalyst 3 from being lowered by the solid solution of a catalyst metal into a support material formed of an oxide. SOLUTION: A time for which the catalyst 3 is exposed to exhaust gases with a lean air-fuel ratio at a prescribed temperature or higher is cumulated as a high temperature lean time. When the high temperature lean time exceeds a prescribed time, the air-fuel ratio of an engine 1 is switched to rich. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止催化剂金属的固溶体降低成由氧化物形成的载体材料的活性。解决方案：将催化剂3暴露于稀空燃比在规定温度以上的废气的时间作为高温稀释时间被累积。当高温稀释时间超过规定时间时，发动机1的空燃比变为浓。版权所有（C）2006，JPO＆NCIPI

26. 发明专利

JP2006159159A Catalyst for exhaust gas purification 有权
标题翻译：催化剂用于排气净化
公开(公告)号：JP2006159159A
公开(公告)日：2006-06-22
申请号：JP2004358534
申请日：2004-12-10
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , TAKAMI AKIHIDE , YAMADA KEIJI , AKAMINE MASAAKI , IWAKUNI HIDEJI , HARADA KOICHIRO
IPC分类号： B01J23/63 , B01D53/94 , B01J35/08 , B01J37/02 , F01N3/10 , F01N3/28
CPC分类号： B01D53/945 , B01J23/40 , B01J23/63 , B01J35/04 , B01J37/0232 , B01J37/0244 , B01J37/0248 , Y02T10/22
摘要： PROBLEM TO BE SOLVED: To improve the low temperature activity (light-off performance) of a ternary catalyst including hollow oxides. SOLUTION: At least two catalyst layers are formed on a cell wall of a honeycomb carrier, solid oxide powder carrying catalyst metal is arranged at the upper layer, and hollow ceria based or alumina based oxide powder carrying catalyst metal is arranged at the lower layer. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提高包括中空氧化物的三元催化剂的低温活性（降光性能）。解决方案：在蜂窝状载体的细胞壁上形成至少两个催化剂层，在上层配置载有催化剂金属的固体氧化物粉末，并且在其上配置中空二氧化铈基或氧化铝基氧化物粉末下层。版权所有（C）2006，JPO＆NCIPI

27. 发明专利

JP2010029772A Compound oxide and exhaust gas cleaning catalyst containing the same 审中-公开
标题翻译：化合物和含有其的排气净化催化剂
公开(公告)号：JP2010029772A
公开(公告)日：2010-02-12
申请号：JP2008193792
申请日：2008-07-28
申请人： Mazda Motor Corp , マツダ株式会社
发明人： IWAKUNI HIDEJI
IPC分类号： B01J23/89 , B01D53/86 , B01D53/94 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a compound oxide which has high performance of cleaning exhaust gas and a perovskite structure. SOLUTION: The compound oxide having the perovskite crystal structure, which is shown by general formula: LaMn x Fe y Pd z O 3-δ (wherein x is a number satisfying 0.41 COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有高性能的清洁废气和钙钛矿结构的复合氧化物。解决方案：具有钙钛矿晶体结构的复合氧化物，其通式为：通式为LaMn，SB，X， SB> 3-δ（其中x是满足0.41

28. 发明专利

JP2010012397A Catalytic material for cleaning exhaust gas, method for producing the same, and catalyst for cleaning exhaust gas 有权
标题翻译：用于清洁排气的催化材料，其制备方法和用于清洁排气的催化剂
公开(公告)号：JP2010012397A
公开(公告)日：2010-01-21
申请号：JP2008173753
申请日：2008-07-02
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , IWAKUNI HIDEJI , TAKAMI AKIHIDE
IPC分类号： B01J23/63 , B01D53/94 , B01J23/56 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide a catalytic material for cleaning exhaust gas, which has excellent cleaning performance and can keep the cleaning performance even when exposed to high-temperature exhaust gas and to provide a method for producing the catalytic material for cleaning exhaust gas, and a catalyst for cleaning exhaust gas, which has a catalyst layer containing the catalytic material for cleaning exhaust gas. SOLUTION: The catalytic material 10 for cleaning exhaust gas contains alumina particles 13, Ce-Zr compound oxide particles 12 having oxygen storage/release capacity and Pd(s) 11. Only the Ce-Zr compound oxide particle 12 is doped fixedly with the Pd 11. The Ce-Zr compound oxide particles 12 are dispersed/deposited on the surface of the alumina particles 13. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种清洁废气的催化材料，其具有优异的清洁性能，并且即使在暴露于高温废气时也能保持清洁性能，并提供用于生产用于清洁的催化材料的方法废气和用于清洁废气的催化剂，其具有含有用于清洁废气的催化材料的催化剂层。解决方案：用于清洁废气的催化材料10含有氧化铝颗粒13，具有储氧/释放能力的Ce-Zr复合氧化物颗粒12和Pd（s）11。只有Ce-Zr复合氧化物颗粒12固定地掺杂与Pd 11一起.Cr-Zr复合氧化物颗粒12分散/沉积在氧化铝颗粒13的表面上。版权所有（C）2010，JPO＆INPIT

29. 发明专利

JP2009285622A Exhaust gas purification catalyst 有权
标题翻译：排气净化催化剂
公开(公告)号：JP2009285622A
公开(公告)日：2009-12-10
申请号：JP2008143525
申请日：2008-05-30
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , AKAMINE MASAAKI , IWAKUNI HIDEJI
IPC分类号： B01J23/89 , B01D53/94 , F01N3/10 , F01N3/28
CPC分类号： Y02A50/2324
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purification catalyst the exhaust gas purification performance of which is enhanced by making effective use of iron oxide. SOLUTION: Fine iron oxide particles of ≤300 nm particle diameter are in contact with CeZr-based mixed oxide particles, which are doped with a catalytic noble metal and on the surface of which the catalytic noble metal is deposited, in such a state that the mass proportion of the fine iron oxide particles to the total amount of the fine iron oxide particles and the CeZr-based mixed oxide particles is 2-45 mass% and the mass proportion of the catalytic noble metal deposited on the surface of the CeZr-based mixed oxide particles to the total amount of the catalytic noble metal doped in the CeZr-based mixed oxide particles and the catalytic noble metal deposited on the surface of the CeZr-based mixed oxide particles is >2 mass% and ≤98 mass%. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供通过有效利用氧化铁来提高废气净化性能的废气净化催化剂。解决方案：≤300nm粒径的细小的氧化铁颗粒与CeZr基混合氧化物颗粒接触，CeZr基混合氧化物颗粒掺杂有催化贵金属，并且在其表面上沉积催化贵金属，说明细小的氧化铁颗粒的质量比例与氧化铁微粒和CeZr基混合氧化物颗粒的总量相比为2-45质量％，并且沉积在表面上的催化贵金属的质量比例 CeZr系混合氧化物粒子与CeZr系混合氧化物粒子中沉积的CeZr系混合氧化物粒子的催化性贵金属的总量相对于CeZr系混合氧化物粒子的表面附着的催化剂贵金属的总量为质量％2质量％以下％。版权所有（C）2010，JPO＆INPIT

30. 发明专利

JP2008062155A Method for preparing catalyst composition for cleaning exhaust gas 审中-公开
标题翻译：制备催化剂组合物清洁排气的方法
公开(公告)号：JP2008062155A
公开(公告)日：2008-03-21
申请号：JP2006241349
申请日：2006-09-06
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MIYOSHI SEIJI , MINOSHIMA KOJI , IWAKUNI HIDEJI , MURAKAMI YUKI , TAKAMI AKIHIDE
IPC分类号： B01J37/03 , B01D53/94 , B01J23/63 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To keep Rh carried by the surface of an Rh doped double oxide particle in a widely dispersing manner and to inhibit aggegation and sintering of Rh. SOLUTION: Ions are coprecipitated by mixing an acidic solution containing each ion of Ce, Zr, Nd and Rh, and a basic solution. An Rh hydroxide is deposited on the coprecipitate by mixing a solution containing the coprecipitate with an Rh solution. An Rh doped double oxide that keeps Rh carried by the surface is prepared by drying and sintering the obtained precipitate. COPYRIGHT: (C)2008,JPO&INPIT

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