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1. 发明专利

JP2010112292A Catalyst for exhaust emission control 有权
标题翻译：催化剂用于排放排放控制
公开(公告)号：JP2010112292A
公开(公告)日：2010-05-20
申请号：JP2008286482
申请日：2008-11-07
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KUWASHIMA MASAMICHI , ISHIBASHI KAZUNOBU , OGAWARA SEIJI , TAKAGI NOBUYUKI , ENDO TAKAYUKI , WATABE GAO , SOFUE YUICHI , ASANUMA TAKAMITSU , OHASHI NOBUMOTO , YOSHIDA KOHEI
IPC分类号： F01N3/08 , B01D53/94 , B01J23/58 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for exhaust emission control, exhibiting excellent NOx conversion performance while inhibiting sulfur poisoning of the catalyst in a wide range from a low temperature range to a high temperature range. SOLUTION: The catalyst for exhaust emission control comprises a sulfur capture catalyst 1 arranged in an exhaust passage of an internal combustion engine, a NOx adsorption material 2 arranged downstream of the sulfur capture catalyst 1, and an NOx reduction-conversion catalyst 3 arranged downstream of the NOx adsorption material 2. The NOx adsorption material 2 comprises a nonmetal component having NOx adsorptivity. The nonmetal component preferably contains one or more selected among CeO 2 , Gd 2 O 3 and Pr 6 O 11 . COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供排气排放控制用催化剂，在从低温范围到高温范围的宽范围内抑制催化剂的硫中毒的同时表现出优异的NOx转化性能。解决方案：排气排放控制用催化剂包括配置在内燃机的排气通路中的硫捕获催化剂1，配置在硫捕获催化剂1下游的NOx吸附材料2和NOx还原转化催化剂3 设置在NOx吸附材料2的下游.NO x吸附材料2包含具有NOx吸附性的非金属成分。非金属成分优选含有选自CeO 2，SB 3，SB 3，Sb 6，Sb 3， SB> 11 。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009226349A Exhaust gas purifying catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2009226349A
公开(公告)日：2009-10-08
申请号：JP2008077272
申请日：2008-03-25
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KUWASHIMA MASAMICHI
IPC分类号： B01J23/58 , B01D53/94 , F01N3/08 , F01N3/10 , F01N3/28
CPC分类号： B01D53/9422 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2022 , B01D2255/2025 , B01D2255/2042 , B01D2255/2047 , B01D2255/2065 , B01D2255/2066 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2255/908 , B01D2255/91 , B01D2255/9202 , B01J23/63 , B01J37/0242 , B01J37/0244 , F01N3/0814 , F01N3/0842 , F01N3/2828 , F01N2330/06 , F01N2370/02
摘要： PROBLEM TO BE SOLVED: To suppress NO x emissions at low to high temperatures. SOLUTION: An NO x occlusion reduction catalyst layer is formed on the upper layer of an NO x absorption layer containing an NO x absorbent having an NO x saturation absorption of not less than 0.1 mass% at 200°C. In the low temperature region where the exhaust gas temperature is 200°C or lower, NO x is adsorbed by the NO x adsorption layer, whereas in the high temperature region where the exhaust gas temperature exceeds about 200°C, the NO x released from the NO x adsorption layer is occluded and reductively purified by the NO x storage reduction catalyst on the upper layer. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在低温至高温下抑制NO x 排放。解决方案：在含有NO SB SB x吸收层的上层上形成NOS SB吸收还原催化剂层。在200℃下具有不小于0.1质量％的NO x 饱和吸收。在废气温度为200℃以下的低温区域中，NO x 吸附层吸附NO，而在高温区域废气温度超过约200℃，从NO x 吸附层释放的NO x 被吸留并通过NO SB SB x存储还原催化剂在上层。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009160548A Nox adsorbing device 有权
标题翻译： NOX吸附装置
公开(公告)号：JP2009160548A
公开(公告)日：2009-07-23
申请号：JP2008002078
申请日：2008-01-09
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KUWASHIMA MASAMICHI
IPC分类号： B01D53/56 , B01D53/81 , B01D53/94 , B01J20/06 , B01J20/18 , B01J23/58 , F01N3/08 , F01N3/10 , F01N3/24 , F01N3/28
CPC分类号： F01N3/0814 , B01D53/9481 , B01D2251/208 , B01D2255/1021 , B01D2255/202 , B01D2255/206 , B01D2255/20707 , B01D2255/20715 , B01D2255/20738 , B01D2255/2092 , B01D2255/504 , B01D2255/91 , B01J20/0207 , B01J20/06 , B01J23/58 , F01N3/0807 , F01N3/0842 , F01N13/009 , F01N13/0097 , F01N2250/12 , F01N2510/0682 , Y02C20/10 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide a NO
x adsorbing device which effectively adsorbs NO
x in the range of high temperature to low temperature and also reduces a discharge amount of NO
x from a NO
x reduction catalyst arranged in the downstream side of the exhaust gas.
SOLUTION: A first NO
x adsorbing material 20 having a peak temperature of 200°C or below at which the adsorbed-NOx releasing amount is the maximum is arranged in the upstream side of the exhaust gas, and a second NO
x adsorbing material 21 having a peak temperature higher than 200°C at which the adsorbed-NOx releasing amount is the maximum is arranged in the downstream side of the exhaust gas of the first NO
x adsorbing material 20. NO
x is adsorbed on the first NO
x adsorbing material 20 in the lower temperature area, and NO
x desorbed from the first NO
x adsorbing material 20 in the higher temperature area is again adsorbed on the second NO
x adsorbing material 21.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种在高温至低温范围内有效吸附NO x 的NO x 吸附装置，还减少了 NO x 从设置在废气下游侧的NO SB SBR还原催化剂。解决方案：在排气的上游侧布置有吸附NO x释放量最大的峰值温度为200℃以下的第一NOS SB 吸附材料20 ，并且在第一NO的排气的下游侧配置有吸附NO x释放量为最大的峰值温度高于200℃的第二NOS SB 吸附材料21 x 吸附材料20. NO x 吸附在低温区域的第一NOS / SB>吸附材料20上，NO x 从高温区域的第一NO x SB吸附材料20脱附的再次被吸附在第二NOS SB x吸附材料21上。 C）2009年，JPO＆INPIT

4. 发明专利

JP2011220123A Exhaust purification catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2011220123A
公开(公告)日：2011-11-04
申请号：JP2010087029
申请日：2010-04-05
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KUWASHIMA MASAMICHI , NIINA YUSUKE
IPC分类号： F01N3/28 , B01D53/94 , B01J29/74 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide an exhaust purification catalyst that exhibits high CO oxidation activity in a temperature range including a low temperature range of
摘要翻译：要解决的问题：提供一种在包括<100℃的低温范围的温度范围内表现出高CO氧化活性的排气净化催化剂。解决方案：排气净化催化剂的催化剂层包括：贵金属涂层3，其在作为下层的载体基材21上承载贵金属; 以及在作为上层的载体基材31上承载贵金属的HC（烃）吸附剂层4。上层的HC吸附剂层的厚度为30-80μm。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010110732A Exhaust gas purifying catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2010110732A
公开(公告)日：2010-05-20
申请号：JP2008287681
申请日：2008-11-10
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KUWASHIMA MASAMICHI , OGAWARA SEIJI
IPC分类号： B01D53/94 , B01J23/58 , F01N3/08 , F01N3/10 , F01N3/24 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst capable of exhibiting excellent NOx purifying performance in a wide range from a low-temperature to a high-temperature. SOLUTION: The exhaust gas purifying catalyst includes: an NOx absorbent material 1 arranged in the exhaust passage of an internal-combustion engine; an oxidation catalyst 2 arranged in the downstream side of the NOx absorbent 1; and an NOx reduction purifying catalyst 3 arranged in the downstream side of the oxidation catalyst 2. The NOx absorbent material 1 comprises a non-precious metal component having an NOx absorbing performance. The non-precious metal component desirably includes one or more kinds selected from CeO 2 , Gd 2 O 3 and Pr 6 O 11 . The NOx absorbent material 1 may carry catalytic precious metal in the downstream end leaving the upstream end. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在从低温到高温的宽范围内表现出优异的NOx净化性能的废气净化催化剂。解决方案：废气净化催化剂包括：设置在内燃机的排气通道中的NOx吸收材料1; 布置在NOx吸收剂1的下游侧的氧化催化剂2; 以及设置在氧化催化剂2的下游侧的NOx还原精制催化剂3.NO x吸收材料1包含具有NOx吸收性能的非贵金属成分。非贵重金属成分优选含有选自CeO 2，SB 2，SB 3，SB 6， SB> 0 11 。 NOx吸收材料1可以在离开上游端的下游端携带催化贵金属。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009264131A Exhaust emission control device for internal combustion engine 有权
标题翻译：用于内燃机的排气排放控制装置
公开(公告)号：JP2009264131A
公开(公告)日：2009-11-12
申请号：JP2008111433
申请日：2008-04-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： YOSHIDA KOHEI , ASANUMA TAKAMITSU , OHASHI NOBUMOTO , SOFUE YUICHI , ENDO TAKAYUKI , ISHIBASHI KAZUNOBU , TAKAGI NOBUYUKI , WATABE GAO , KUWASHIMA MASAMICHI
IPC分类号： F01N3/08 , B01D53/94 , F01N3/24 , F01N3/28 , F01N3/36
CPC分类号： B01D53/9422 , B01D53/9477 , B01D53/9481 , B01D53/9495 , B01D2255/1021 , B01D2255/202 , B01D2255/204 , B01D2255/206 , B01D2255/91 , B01D2257/302 , F01N3/0807 , F01N3/0814 , F01N3/0842 , F01N3/085 , F01N13/009 , F01N13/0093 , F01N2560/06 , F01N2570/14 , F02B37/00 , F02D41/024 , F02D41/0275 , F02D2200/0806 , F02D2200/0808 , Y02A50/2344 , Y02T10/26
摘要： PROBLEM TO BE SOLVED: To forcibly desorb NOx from a NOx adsorbing catalyst and to make the same stored in a NOx storing catalyst.
SOLUTION: The NOx storing catalyst 14 and the NOx adsorbing catalyst 12 which absorbs, at low temperatures, NOx contained in exhaust gas and desorb the adsorbed NOx when the temperature rises. are arranged in an engine exhaust path. When the NOx storing catalyst 14 stores NOx, NOx desorbed from the NOx adsorbing catalyst 12 is made stored by the NOx storing catalyst 14 by forcibly raising the temperature of the NOx adsorbing catalyst 12 to a target temperature at which the NOx adsorbing catalyst desorbs NOx of an amount which the NOx storing catalyst 14 stores.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：强制地将NOx从NOx吸附催化剂解吸并将其储存在NO x吸留催化剂中。解决方案：NOx吸收催化剂14和NOx吸附催化剂12，其在低温下吸收废气中所含的NOx，并在温度升高时吸附吸附的NOx。布置在发动机排气通道中。当NOx吸留催化剂14储存NOx时，通过将NOx吸附催化剂12的温度强制地升高到NOx吸附催化剂解吸NO x的目标温度，由NOx吸留催化剂14将从NOx吸附催化剂12脱附的NOx存储在 NOx储存催化剂14储存的量。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009000648A Exhaust gas cleaning catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2009000648A
公开(公告)日：2009-01-08
申请号：JP2007165259
申请日：2007-06-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： SATO AKEMI , YAZAWA YOSHITERU , KUWASHIMA MASAMICHI
IPC分类号： B01J23/63 , B01D53/94 , B01J23/56 , F01N3/10 , F01N3/28
CPC分类号： F01N3/2828 , B01D53/945 , B01D2255/1023 , B01D2255/1025 , B01D2255/407 , B01D2255/9022 , B01J23/63 , B01J37/0244 , B01J37/0248 , F01N2510/06 , F01N2510/0684 , Y02T10/22
摘要： PROBLEM TO BE SOLVED: To provide a catalyst which does not use Pt and is more excellent in durability than in the case when Pt is used. SOLUTION: The catalyst is a two-layer structural catalyst consisting of a lower catalyst coat layer 2 containing a catalyst powder, wherein Pd is supported on a carrier containing at least a Ce-Zr composite oxide, and a upper catalyst coat layer 3 containing a catalyst powder, wherein Rh is supported by a carrier consisting of at least one of zirconia and the Ce-Zr composite oxide. Pd is supported by the Ce-Zr composite oxide so that PdO with a higher activity is formed from Pd by an oxygen absorb-discharge capacity and a high oxidation activity based on Pt is expressed. Then, the carrier consisting of at least one of zirconia and the Ce-Zr composite oxide is excellent in heat resistance and Rh supported by it is controlled in particle growth. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供不使用Pt的催化剂，并且比使用Pt的情况下的耐久性更优异。解决方案：催化剂是由含有催化剂粉末的低催化剂涂层2组成的双层结构催化剂，其中Pd负载在至少含有Ce-Zr复合氧化物的载体上，上层催化剂涂层 3，其中Rh由由氧化锆和Ce-Zr复合氧化物中的至少一种构成的载体负载。 Pd由Ce-Zr复合氧化物负载，因此通过氧吸收放电能力由Pd形成具有较高活性的PdO，并表现出基于Pt的高氧化活性。然后，由氧化锆和Ce-Zr复合氧化物中的至少一种构成的载体具有优异的耐热性，并且由其支撑的Rh被控制在颗粒生长中。版权所有（C）2009，JPO＆INPIT

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