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1. 发明专利

JP2008279428A Catalyst for cleaning exhaust gas and method for preparing the same 有权
标题翻译：用于清洁排气的催化剂及其制备方法
公开(公告)号：JP2008279428A
公开(公告)日：2008-11-20
申请号：JP2007322197
申请日：2007-12-13
申请人： Nissan Motor Co Ltd , Renault Sas Soc Par Actions Simplifiee , ルノーエス.ア.エス.ソシエテパアクションサンプリフェ , 日産自動車株式会社
发明人： KIKUCHI HIROTO , SUGA KATSUO , NAKAMURA MASAKI , WAKAMATSU HIRONORI , SHIRATORI KAZUYUKI , MIYAMURA TOSHIHARU , IKEZAWA JUN
IPC分类号： B01J23/63 , B01D53/94 , B01J29/74 , B01J35/10 , B01J37/00
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning exhaust gas capable of maintaining its excellent cleaning capability for a long time by suppressing agglomeration of its noble metal particles. SOLUTION: A catalyst powder 11 is comprised of a noble metal 12, a first compound 13, and a second compound 14. The catalyst powder 11 has a structure wherein the noble metal 12 constituting the catalyst powder 11 is carried by the first compound 13, and the first compounds 13 are mutually separated by the second compound 14. At least one layer of the catalyst comprising the catalyst powder 11 is formed on the inner face of the support. The catalyst layer has micropores, and the pore volume of the micropores of a pore diameter in the range of 0.1 μm to 1 μm occupies 10% to 60% of the total pore volume of the micropores of a pore diameter of not greater than 1 μm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过抑制其贵金属颗粒的聚集而能够长时间保持其优异的清洁能力的废气净化用催化剂。解决方案：催化剂粉末11由贵金属12，第一化合物13和第二化合物14组成。催化剂粉末11具有其中构成催化剂粉末11的贵金属12由第一化合物化合物13和第一化合物13通过第二化合物14相互分离。至少一层包含催化剂粉末11的催化剂形成在载体的内表面上。催化剂层具有微孔，孔径在0.1μm至1μm范围内的微孔的孔体积占孔径不大于1μm的微孔的总孔体积的10％至60％。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008272745A 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：JP2008272745A
公开(公告)日：2008-11-13
申请号：JP2008087646
申请日：2008-03-28
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： NAITO TETSUO , SUGA KATSUO , WAKAMATSU HIRONORI , SHIRATORI KAZUYUKI , NAKAMURA MASAKI
IPC分类号： B01J23/63 , B01D53/94 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying exhaust gas capable of maintaining an activity improving effect of noble metal particles with the aid of co-catalyst component without increasing manufacturing cost or environmental load. SOLUTION: The catalyst 1 for purifying exhaust gas comprises: the noble metal particles 2 having a catalytic action; a first compound 3 on which the noble metal particles 2 are supported; a second compound 4 of wrapping the first compound 3 on which the noble metal particles 2 are supported; and a third compound 5 having oxygen absorbing and releasing ability. In the catalyst 1 for purifying exhaust gas, O 2 releasing amount per usage noble metal 1g in the range of 150°C to 500°C in a thermal desorption spectroscopy falls into the range of 400 to 1,200 mmol/g. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够借助助催化剂成分维持贵金属颗粒的活性改善效果的排气净化用催化剂，而不增加制造成本或环境负荷。解决方案：用于净化废气的催化剂1包括：具有催化作用的贵金属颗粒2; 载有贵金属粒子2的第一化合物3; 包裹载有贵金属颗粒2的第一化合物3的第二化合物4; 和具有氧吸收和释放能力的第三化合物5。在用于净化废气的催化剂1中，在热解吸光谱法中，在150℃至500℃的范围内，使用贵金属1g的每次使用贵金属1g的释放量为400-2200毫摩尔 /G。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008212935A 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：JP2008212935A
公开(公告)日：2008-09-18
申请号：JP2008143210
申请日：2008-05-30
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： YASUDA HIROBUMI , SUGA KATSUO , AOYAMA MAKOTO , MIYAMURA TOSHIHARU
IPC分类号： B01J23/656 , B01D53/94 , B01J23/89 , B01J35/02 , F01N3/10
CPC分类号： F01N3/2803 , B01D53/9413 , B01D53/945 , B01D2255/206 , B01J23/42 , B01J23/44 , B01J23/464 , B01J23/6562 , B01J23/8913 , B01J23/894 , B01J23/8986 , B01J35/0013 , B01J35/006 , B01J37/0248 , B01J37/16 , F01N3/10 , Y02T10/22
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purification of exhaust gas that is excellent in heat resistance with suppressed sintering of noble metals. SOLUTION: The catalyst 1 for purification of exhaust gas contains a heat-resistant carrier 2 selected from Al 2 O 3 , SiO 2 , ZrO 2 and TiO 2 , a noble metal 4 selected from Pt, Pd and Rh that is supported on the outer surface of the carrier 2 and clathrated with a clathrating material containing a component of the carrier 2 with at least part of it exposed, and a rare earth element selected from Ce, La, Zr and Ba. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种在抑制贵金属的烧结时耐热性优异的废气净化用催化剂。解决方案：用于净化废气的催化剂1含有选自Al 2 O 3，SB SB 2，SiO 2，SB 3，，ZrO 2 SB 3和TiO 2 SB 2，选自Pt，Pd和Rh的贵金属4，其负载在载体2的外表面上并用含有载体2的至少一部分暴露的成分，以及选自Ce，La，Zr和Ba的稀土元素。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007330863A Catalyst for cleaning exhaust, method for preparing the same, and method for using the same 有权
标题翻译：用于清洁排气的催化剂，其制备方法及其使用方法
公开(公告)号：JP2007330863A
公开(公告)日：2007-12-27
申请号：JP2006163722
申请日：2006-06-13
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： NAKAMURA MASAKI , SHIRATORI KAZUYUKI , WAKAMATSU HIRONORI , SUGA KATSUO
IPC分类号： B01J29/03 , B01D53/94 , B01J33/00 , B01J37/02 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for treating exhaust having excellent thermal durability. SOLUTION: The catalyst for cleaning exhaust is comprised of rhodium particles 1 having catalytic activity, chemical compound particles 2 formed on the circumferences of the rhodium particles 1 in a manner supporting the rhodium particles 1, and an oxide 3 that is formed on the circumferences of the chemical compound particles 2 and suppresses the coagulation of the chemical compound particles 2. It is preferable that the mean diameter of the primary particles of the oxide 3 is greater than the mean mesopore diameter of an aggregate of the chemical compound particles 2 and the rhodium particles 1 exclusively contact the chemical compound particles 2 without contacting the oxide 3. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的热耐久性的用于处理废气的催化剂。解决方案：用于清洁排气的催化剂由具有催化活性的铑颗粒1组成，以支撑铑颗粒1的方式在铑颗粒1的周围形成的化合物颗粒2和形成在铑颗粒1上的氧化物3 化合物颗粒2的周长并抑制化合物颗粒2的凝结。优选氧化物3的一次颗粒的平均直径大于化合物颗粒2的聚集体的平均中孔直径并且铑颗粒1专门地接触化合物颗粒2而不与氧化物3接触。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007319795A Catalyst for purifying exhaust gas and its production method 有权
标题翻译：用于净化排气的催化剂及其生产方法
公开(公告)号：JP2007319795A
公开(公告)日：2007-12-13
申请号：JP2006153509
申请日：2006-06-01
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： SHIRATORI KAZUYUKI , SUGA KATSUO
IPC分类号： B01J23/63 , B01D53/94 , B01J23/56 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying an exhaust gas which is excellent in heat endurance. SOLUTION: The catalyst 1 for purifying the exhaust gas has a Rh particle 2, a porous buffer material 3 which is formed around a Rh particle 2 and supports the Rh particle 2, and an oxide 4 which is formed around the Rh particle 2 and the buffer material 3 and is substantially not solid-soluble in the buffer material. The buffer material 3 is a material which consists of a material capable of making a composite with the Rh particle 2 and can secure the gas diffusibility. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供耐热性优异的排气净化用催化剂。解决方案：用于净化排气的催化剂1具有Rh颗粒2，围绕Rh颗粒2形成并支撑Rh颗粒2的多孔缓冲材料3和形成在Rh颗粒周围的氧化物4 2和缓冲材料3，并且基本上不溶于缓冲材料。缓冲材料3是能够与Rh颗粒2复合的材料构成的材料，能够确保气体扩散性。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007162470A Hard carbon coating slide member 审中-公开
标题翻译：硬碳涂层滑块
公开(公告)号：JP2007162470A
公开(公告)日：2007-06-28
申请号：JP2005355775
申请日：2005-12-09
申请人： Shojiro Miyake , Nissan Motor Co Ltd , 正二郎三宅 , 日産自動車株式会社
发明人： OKAMOTO YUSUKE , YASUDA YOSHITERU , SUGA KATSUO , MIYAKE SHOJIRO
IPC分类号： F01L1/14 , C23C14/06
摘要： PROBLEM TO BE SOLVED: To provide a hard carbon coating slide member materializing further reduction of friction coefficient, manufactured by a simple process, and having a little constraint on kinds of lubricating oil displaying effect.
SOLUTION: The hard carbon coating slide member is provided with hard carbon coating on a slide section and contains cerium in the coating at 1.5-34 atom%. The coating contains hydrogen of 6 atom% or less. The member is used in lubricant. Lubricant is engine oil for an automobile.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种硬碳涂层滑动构件，其通过简单的工艺制造进一步降低摩擦系数，并且对润滑油显示效果的种类有一点制约。解决方案：硬碳涂层滑动构件在滑动部分上设置硬碳涂层，在涂层中含有1.5-34原子％的铈。涂层含有6原子％以下的氢。该部件用于润滑剂。润滑油是汽车的发动机油。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007130590A Exhaust gas cleaning catalyst and manufacturing method of exhaust gas cleaning catalyst 审中-公开
标题翻译：排气清洁催化剂及排气净化催化剂的制造方法
公开(公告)号：JP2007130590A
公开(公告)日：2007-05-31
申请号：JP2005327409
申请日：2005-11-11
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： WAKAMATSU HIRONORI , SUGA KATSUO , NAKAMURA MASAKI , KIKUCHI HIROTO , AOYAMA MAKOTO , IKEZAWA JUN
IPC分类号： B01D53/94 , B01J23/656 , B01J23/89 , B01J35/02 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas cleaning catalyst preventing lowering of promotor action caused by multiplexing of a transition metal compound in the exhaust gas cleaning catalyst having multiplexed particles formed by bringing transition metal compound particles having a promotor action into contact with noble metal particles, with a heat resisting inorganic oxide of a carrier. SOLUTION: This exhaust gas cleaning catalyst has the noble metal particles 1, the transition metal compound particles 2 forming composite particles by contact with the noble metal particles 1, and the heat resisting inorganic oxide 4 formed by covering composite particles 3 of the noble metal particles 1 and transition metal compound particles 2. An average particle size of the transition metal compound particles 2 is larger than that of the noble metal particles 1, and the composite particles 3 are dispersed in the heat resisting inorganic oxide 4. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种排气净化催化剂，其防止由具有多元化颗粒的废气净化催化剂中的过渡金属化合物复合引起的促进剂作用降低，所述复合颗粒通过使具有促进剂作用的过渡金属化合物颗粒接触而形成与贵金属颗粒，与载体的耐热无机氧化物。解决方案：该废气净化催化剂具有贵金属粒子1，通过与贵金属粒子1接触形成复合粒子的过渡金属化合物粒子2和通过覆盖复合粒子3而形成的耐热性无机氧化物4 贵金属粒子1和过渡金属化合物粒子2.过渡金属化合物粒子2的平均粒径大于贵金属粒子1的平均粒径，复合粒子3分散在耐热性无机氧化物4中。
版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007085353A 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：JP2007085353A
公开(公告)日：2007-04-05
申请号：JP2006306665
申请日：2006-11-13
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： SUGA KATSUO , HANAKI YASUNARI , KAMIKUBO MASANORI , AKAMA HIROSHI , KAMIJO MOTOHISA , WAKAMATSU HIRONORI
IPC分类号： F01N3/28 , B01D53/94 , B01J23/42 , B01J23/58 , B01J29/22 , F01N3/08 , F01N3/10 , F01N3/20
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control system capable of efficiently converting NOx in an excessive oxygen area exhausted from an internal combustion engine and of efficiently converting CO, HC even if exhaust gas is in a low-temperature range. SOLUTION: In this exhaust emission control system, NOx adsorption catalyst is arranged in an upstream of an exhaust gas passage of an internal combustion engine, and an oxidation catalyst is arranged in a downstream side. The NOx adsorption catalyst adsorbs nitrogen oxide when temperature of exhaust gas is that of start of the engine to 140°C, and desorbs the nitrogen oxide when the temperature is 200°C or higher, and concentration ratio of nitrogen oxide/carbon monoxide at a NOx adsorption catalyst outlet is 0.3 or less when temperature of exhaust gas is that of start of the engine to 140°C. The NOx adsorption catalyst is used for the exhaust emission control system and adsorbs and desorbs nitrogen oxide in exhaust gas according to temperature of exhaust gas. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种废气排放控制系统，其能够有效地转换从内燃机排出的过量的氧区域中的NOx，并且即使废气处于低温范围也能有效地转化CO，HC。解决方案：在该废气排放控制系统中，NOx吸附催化剂配置在内燃机的排气通路的上游侧，氧化催化剂配置在下游侧。当NOx的吸收催化剂的温度为发动机起动温度为140℃时，NOx吸附催化剂吸附氮氧化物，当温度为200℃以上时，氮氧化物和一氧化碳的浓度比为 NO x吸附催化剂出口在发动机起动温度为140℃时为0.3以下。 NOx吸附催化剂用于废气排放控制系统，并根据废气的温度吸附和解吸废气中的氮氧化物。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007029863A 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：JP2007029863A
公开(公告)日：2007-02-08
申请号：JP2005217293
申请日：2005-07-27
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： KIKUCHI HIROTO , NAKAMURA MASAKI , SEKIBA TORU , SUGA KATSUO
IPC分类号： B01J23/89 , B01D53/94 , B01J23/656 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning an exhaust gas which is easy in production process, has a short production time, low production cost, and does not agglomerate a noble metal even if the catalyst is laid in an oxidation atmosphere. SOLUTION: The catalyst has a noble metal particle 7, a base material 3 on which the noble metal particle 7 is supported, and a transition-metal oxide particle 9 arranged at the position other than a contacting side 11 of the noble metal particle 7 and the base material 3 in the periphery of the noble metal particle 7, wherein a metal oxide 5 having the anchor effect for the noble metal particle 7 is contained in the base material 3. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于清洁生产过程容易的废气的催化剂，其生产时间短，生产成本低，并且即使催化剂被置于氧化物中也不会使贵金属附聚大气层。解决方案：催化剂具有贵金属颗粒7，负载贵金属颗粒7的基材3和布置在贵金属的接触侧11以外的位置处的过渡金属氧化物颗粒9 贵金属粒子7的周围的粒子7和基材3，其中在基材3中含有对贵金属粒子7具有锚固效果的金属氧化物5。（C）2007， JPO＆INPIT

10. 发明专利

JP2007021387A Method for manufacturing exhaust gas cleaning catalyst and exhaust gas cleaning catalyst 审中-公开
标题翻译：制造排气清洁催化剂和排气清洁催化剂的方法
公开(公告)号：JP2007021387A
公开(公告)日：2007-02-01
申请号：JP2005207851
申请日：2005-07-15
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： WAKAMATSU HIRONORI , SUGA KATSUO , NAKAMURA MASAKI , SHIRATORI KAZUYUKI , YASUDA HIROBUMI , AOYAMA MAKOTO
IPC分类号： B01J37/03 , B01D53/94 , B01J23/46 , B01J23/63 , B01J23/656 , B01J23/89 , B01J37/02 , B01J37/08 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an exhaust gas cleaning catalyst, by which the activity of the catalyst after the test for endurance can be restrained from being deteriorated, and to provide the exhaust gas cleaning catalyst. SOLUTION: The method for manufacturing the exhaust gas cleaning catalyst comprises the steps of: dispersing many noble metal particles 3 with the surroundings protected by an organic molecule 2, in a dispersion medium 1 to prepare a noble metal colloidal solution 4; dissolving a carrier precursor 6 in an organic solvent 5, heating/agitating the carrier precursor-dissolved solvent, throwing the compound 7 of a promoter component in the heated/agitated solvent and heating/agitating the compound-thrown solvent to prepare a solution 8; mixing the prepared noble metal colloidal solution 4 with the prepared solution 8 to obtain a mixture; hydrolyzing the obtained mixture to obtain a gel; drying the obtained gel 9 under reduced pressure; and firing the dried gel in an oxidizing atmosphere to obtain catalyst powder 10. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种废气净化催化剂的制造方法，能够抑制耐久试验后的催化剂的活性劣化，提供排气净化催化剂。解决方案：废气净化催化剂的制造方法包括以下步骤：将分散有介质1的许多贵金属颗粒3与被有机分子2保护的环境分散，制备贵金属胶体溶液4; 将载体前体6溶解在有机溶剂5中，加热/搅拌载体前体溶解的溶剂，将促进剂组分的化合物7投入加热/搅拌的溶剂中，加热/搅拌化合物引发的溶剂以制备溶液8; 将制备的贵金属胶体溶液4与制备的溶液8混合以获得混合物; 水解所得混合物得到凝胶; 在减压下干燥得到的凝胶9; 并在氧化气氛中焙烧干燥的凝胶，得到催化剂粉末10.版权所有（C）2007，JPO＆INPIT

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