专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2009112961A Catalyst for cleaning exhaust gas and method for cleaning exhaust gas using the same 审中-公开
标题翻译：用于清洁排气的催化剂和使用其清除排气的方法
公开(公告)号：JP2009112961A
公开(公告)日：2009-05-28
申请号：JP2007289911
申请日：2007-11-07
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAMOTO TOSHIO , NAGAI YASUTAKA , TANABE TOSHITAKA , HATANAKA YOSHIO , DOMAE KAZUHIKO , TAKAGI NOBUYUKI , MIURA MASAHIDE
IPC分类号： B01J23/42 , B01D53/94 , B01J23/63 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning an exhaust gas which can sufficiently suppress the grain growth of noble metal particles even when exposed to a high-temperature exhaust gas for a long period of time and sufficiently maintain a high catalytic activity. SOLUTION: In the catalyst for cleaning the exhaust gas containing a metal oxide (A), a metal oxide (B) and noble metals carried at least on the metal oxide (A), the value of the bond energy of an oxygen 1s orbit of the metal oxide (B) is lower than that of the metal oxide (A) by 0.3 eV or more, the content of the noble metal carried by the metal oxide (A) is 60 mass% or more of the total of the noble metals carried by the metal oxide (A) and by the metal oxide (B), and the content of the metal oxide (B) is 50-90 mass% of the total of the metal oxide (A) and the metal oxide (B). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于清洁废气的催化剂，其可以充分抑制贵金属颗粒的晶粒生长，即使长时间暴露于高温废气并充分保持高催化性活动。解决方案：在用于清洁含有金属氧化物（A），金属氧化物（B）和至少载于金属氧化物（A）上的贵金属）的废气的催化剂中，氧的键能值金属氧化物（B）的1s轨道比金属氧化物（A）的轨道低0.3eV以上，由金属氧化物（A）承载的贵金属的含量为60质量％以上由金属氧化物（A）和金属氧化物（B）携带的贵金属和金属氧化物（B）的含量为金属氧化物（A）和金属氧化物（A）的总量的50〜90质量％（B）。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009299521A Exhaust emission control method and exhaust emission control device 审中-公开
标题翻译：排气排放控制方法和排气控制装置
公开(公告)号：JP2009299521A
公开(公告)日：2009-12-24
申请号：JP2008152761
申请日：2008-06-11
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAZAKI KIYOSHI , KAYAMA TOMOYUKI , SAKAKIBARA YUJI , NOMURA KAZUHIRO , MORI KENJI , TAKAGI NOBUYUKI
IPC分类号： F01N3/02 , B01D53/94 , B01J23/66 , F01N3/10 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To sufficiently oxidize and remove particulate matter in exhaust gas in a temperature range of a comparatively low temperature. SOLUTION: This exhaust emission control method is for oxidizing and removing the particulate matter in exhaust gas using the exhaust emission control device equipped with an oxidation catalyst disposed in an exhaust gas flow passage in which exhaust gas from an internal combustion engine flows. The oxidation catalyst is provided with an aggregate comprising: a metal particle carrier containing at least one kind of a first metal selected from a group of Ag, Pt, Rh, Pd, Ru, Ir, Os, Au, and Cu, and becoming a core; and metal oxide particulates having an average primary particle diameter of 1-100 nm comprising an oxide of a second valence variable metal covering the periphery of the metal particle carrier. The steps of: contacting exhaust gas to the oxidation catalyst so that the air-fuel ratio becomes a lean atmosphere; and contacting the exhaust gas to the oxidation catalyst so that the air-fuel ratio becomes a rich atmosphere (steps 5, 6), are performed in order, to oxidize the particulate matter. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在相对较低温度的温度范围内对废气中的颗粒物进行充分氧化和除去。解决方案：该废气排放控制方法是使用配备有排气流路的排气排放控制装置，其排气排出控制方法，其中排气排放控制装置设置在内燃机的废气流动的排气流路中。氧化催化剂具有聚集体，其包括：含有选自Ag，Pt，Rh，Pd，Ru，Ir，Os，Au和Cu中的至少一种第一金属的金属颗粒载体，并成为核心; 和平均一次粒径为1-100nm的金属氧化物微粒包含覆盖金属粒子载体周围的第二价数可变金属的氧化物。以下步骤：使废气与氧化催化剂接触，使空燃比变成稀薄气氛; 并且使排气与氧化催化剂接触以使空燃比成为富气氛（步骤5,6），以使颗粒物质氧化。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009178673A Exhaust gas cleaning apparatus 审中-公开
标题翻译：排气清洁装置
公开(公告)号：JP2009178673A
公开(公告)日：2009-08-13
申请号：JP2008020747
申请日：2008-01-31
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAZAKI KIYOSHI , KAYAMA TOMOYUKI , SAKAKIBARA YUJI , TAKAGI NOBUYUKI
IPC分类号： B01J23/63 , B01D46/42 , B01D53/94 , B01J35/04 , B01J35/10 , F01N3/02 , F01N3/10 , F01N3/20 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas cleaning apparatus capable of efficiently oxidizing a granular substance in an exhaust gas discharged from an internal combustion engine at a temperature area of low temperature and sufficiently regenerating an oxidation activity by applying regeneration treatment utilizing carbon monoxide (CO) contained in the exhaust gas even after poisoned with sulfur. SOLUTION: The exhaust gas cleaning apparatus for oxidizing/eliminating the granular substance contained in the exhaust gas is provided with a catalyst carrier containing at least one selected from the group consisting of ceria, titania and zirconia, a catalyst for a CO shift reaction having a noble metal carried on the catalyst carrier and a catalyst containing silver for removing the granular substance. The catalyst for the CO shift reaction is arranged in an upstream side of a gas flow passage circulated with the exhaust gas, and the catalyst for removing the granular substance is arranged in a downstream side of the gas flow passage. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种废气净化装置，其能够在低温的温度区域内有效地氧化从内燃机排出的废气中的粒状物质，并通过利用再生处理充分再生氧化活性即使在用硫中毒后，废气中也含有一氧化碳（CO）。解决方案：用于氧化/除去废气中所含的颗粒状物质的排气净化装置设置有含有选自二氧化铈，二氧化钛和氧化锆中的至少一种的催化剂载体，CO转移用催化剂具有负载在催化剂载体上的贵金属的反应物和含有银的催化剂以除去粒状物质。 CO转化反应用催化剂配置在与废气循环的气体流路的上游侧，除去粒状物质用催化剂配置在气体流路的下游侧。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2013248570A Exhaust gas purifying catalyst, method of manufacturing the same, and method of purifying exhaust gas using the same 有权
标题翻译：排气净化催化剂，其制造方法以及使用该方法来净化排气
公开(公告)号：JP2013248570A
公开(公告)日：2013-12-12
申请号：JP2012125222
申请日：2012-05-31
申请人： Toyota Central R&D Labs Inc , 株式会社豊田中央研究所 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： TANAKA HISAYUKI , YOKOTA KOJI , TAKAGI NOBUYUKI , SATAKE YASUSHI
IPC分类号： B01J23/58 , B01D53/94 , F01N3/10
CPC分类号： Y02C20/10
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst which can purify a NOx at a sufficiently high level, has a sufficiently excellent NOx purification performance and has sufficiently advanced temperature durability.SOLUTION: An exhaust gas purifying catalyst contains: a porous carrier that has an oxygen storage capacity; fine particles of an aluminum compound that are supported to the porous carrier and have an average particle size of 1-20 nm; and an active metal compound that is supported to the porous carrier and contains at least one element selected from the group consisting of Pt, Pd, Rh, Ir, Au, Ag, Cu, Co, Ni, V, Nb, Mo and W.
摘要翻译：要解决的问题：为了提供能够以足够高的水平净化NOx的排气净化催化剂，具有足够优异的NOx净化性能，并且具有足够高的耐久性。解决方案：废气净化催化剂含有：多孔载体，具有储氧能力; 负载在多孔载体上并具有1-20nm的平均粒径的铝化合物的微粒; 和负载于该多孔质载体并含有选自Pt，Pd，Rh，Ir，Au，Ag，Cu，Co，Ni，V，Nb，Mo和W中的至少一种元素的活性金属化合物。

5. 发明专利

JP2013181502A 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：JP2013181502A
公开(公告)日：2013-09-12
申请号：JP2012047177
申请日：2012-03-02
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Toyota Central R&D Labs Inc , 株式会社豊田中央研究所
发明人： TAKAGI NOBUYUKI , SATAKE YASUSHI , TANAKA HISAYUKI , YOKOTA KOJI
IPC分类号： F01N3/10 , B01D53/94 , B01J23/58 , F01N3/08 , F01N3/36
CPC分类号： B01D53/9422 , B01D53/9431 , B01D2255/1021 , B01D2255/1025 , B01D2255/2042 , B01D2255/20707 , B01D2255/407 , B01D2255/91 , B01D2257/404 , B01D2258/012 , B01J23/02 , B01J23/10 , B01J23/42 , B01J23/464 , B01J23/63 , B01J35/002 , B01J35/04 , B01J37/0201 , B01J37/038 , B01J37/04 , B01J2523/00 , F01N3/0814 , F01N3/0842 , F01N3/0871
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device excellent in NOx emission control performance.SOLUTION: An exhaust emission control device includes an exhaust emission control catalyst 60 and a control part for controlling NOx emission included in an exhaust gas by alternately varying the concentration of hydrocarbon flowing in the exhaust emission control catalyst 60 between a high concentration region having a relatively high hydrocarbon concentration and a low concentration region having a relatively low hydrocarbon concentration in a predetermined cycle. The exhaust emission control catalyst 60 has a carrier 75, metal catalysts 70, 72 carried in the carrier 75, and an NOx occlusion material 74 having NOx occlusion capacity carried in the carrier 75. The NOx occlusion material 74 includes a barium-titanium complex oxide dissolved with barium 74a and titanium 74b.
摘要翻译：要解决的问题：提供一种NOx排放控制性能优异的废气排放控制装置。解决方案：废气排放控制装置包括排气排放控制催化剂60和用于通过交替地改变废气排放控制催化剂60和用于控制排气中包含的NOx排放的控制部分在排气排放控制催化剂60中在具有较高烃浓度的高浓度区域和在预定循环中具有较低烃浓度的低浓度区域之间流动的烃的浓度。废气排放控制催化剂60具有载体75，承载在载体75中的金属催化剂70,72和在载体75中承载的具有NOx吸留能力的NOx吸留材料74.NV吸留材料74包括钡 - 钛复合氧化物用钡74a和钛74b溶解。

6. 发明专利

JP2012223694A Exhaust gas purifying catalyst, method for producing the catalyst, and exhaust gas purifying method using the catalyst 有权
标题翻译：排气净化催化剂，生产催化剂的方法和使用催化剂的排气净化方法
公开(公告)号：JP2012223694A
公开(公告)日：2012-11-15
申请号：JP2011092738
申请日：2011-04-19
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： HAMAGUCHI TAKESHI , TANAKA HISAYUKI , TAKAGI NOBUYUKI
IPC分类号： B01J23/34 , B01D53/94 , B01J37/04 , B01J37/08 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst which has CO oxidizing performance and can purify CO even in low temperature conditions.SOLUTION: In the exhaust gas purifying catalyst which is made of a particulate metal oxide, the metal oxide includes a hollandite type crystal phase having a one dimensional pore structure expressed by AMnO[A is a metal element other than Ag and a mono- or di-valent cation, x meets an unequality: x≤1.65 when A is a monovalent cation and an unequality: x≤0.825 when A is a divalent cation, and when a monovalent cation as A and a divalent cation as A coexist, the value xof x regarding A to be a monovalent cation and the value xof x regarding a metal element A to be a divalent cation meet a condition indicated by the unequality: (x+2×x)≤1.65], and the average length in the c axis direction of the crystal structure of the one dimensional particle of the metal oxide is 10-120 nm.
摘要翻译：要解决的问题：提供具有CO氧化性能的排气净化催化剂，即使在低温条件下也能纯化CO。解决方案：在由颗粒状金属氧化物制成的排气净化催化剂中，金属氧化物包括具有由A x SB表示的一维孔隙结构的胡砂石型结晶相 > [A是除Ag以外的金属元素和一价或二价阳离子，x满足不等式：当A是一价阳离子和不等式时x≤1.65：当A是二价阳离子时x≤0.825，当一价阳离子作为A和二价阳离子作为A共存时，值x ，关于作为二价阳离子的金属元素A，x的值x 2 满足条件不等式：（x 1 + 2×x 2 ）≤1.65]，c轴方向的平均长度金属氧化物的一维颗粒的晶体结构为10-120nm。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012196653A Catalyst carrier, catalyst for purifying exhaust gas using the same, and method of purifying exhaust gas using the catalyst 审中-公开
标题翻译：催化剂，用于净化排气的催化剂，以及使用催化剂净化排气的方法
公开(公告)号：JP2012196653A
公开(公告)日：2012-10-18
申请号：JP2011063959
申请日：2011-03-23
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： HAMAGUCHI TAKESHI , TANAKA HISAYUKI , TAKAGI NOBUYUKI
IPC分类号： B01J23/58 , B01D53/94 , B01J23/89 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To provide a catalyst carrier that can purify CO even under a low temperature condition.SOLUTION: The catalyst carrier is made of a metal oxide. The metal oxide is expressed by general formula (1): AMTiO(1) [A is a metal element that is present as a monovalent or divalent cation in the metal oxide; M is a metal element other than Ti that can be present as a trivalent cation in the metal oxide; x is a numerical value in a range expressed by the inequality 0
摘要翻译：待解决的问题：提供即使在低温条件下也可以纯化CO的催化剂载体。催化剂载体由金属氧化物制成。金属氧化物由通式（1）表示：A x Ti （1）[A]金属氧化物中作为一价或二价阳离子存在的金属元素， M是可以在金属氧化物中作为三价阳离子存在的除Ti以外的金属元素; x是当A是金属氧化物中的一价阳离子时由不等式0 1 ，数值x 2 作为二价阳离子存在的金属元素A的x满足不等式0 <（x 1 + 2×x 2 < 当作为一价阳离子存在的金属元素A和作为二价阳离子存在的金属元素A共存于金属氧化物中时，SB>）≤2。 y是由不等式0

8. 发明专利

JP2011125862A Particle of metal oxide catalyst-support for use in cleaning exhaust, and exhaust cleaning catalyst 有权
标题翻译：用于清洁废气的金属氧化物催化剂支持颗粒和排气清洁催化剂
公开(公告)号：JP2011125862A
公开(公告)日：2011-06-30
申请号：JP2011020875
申请日：2011-02-02
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： MIURA MASAHIDE , TAKAGI NOBUYUKI , MATSUMOTO SHINICHI , TANABE TOSHITAKA , NAGAI YASUTAKA , DOMAE KAZUHIKO , IKEDA YASUO
IPC分类号： B01J23/63 , B01D53/94 , B01J23/96 , B01J35/10 , B01J38/10 , B01J38/12 , F01N3/10 , F01N3/28
CPC分类号： Y02A50/2324
摘要： PROBLEM TO BE SOLVED: To provide an exhaust cleaning catalyst that allows suitable redistribution of platinum present therein, a method of redistributing platinum present in the exhaust cleaning catalyst, particles of a metal oxide catalyst-support for producing the exhaust cleaning catalyst, and a method of producing the particles of a metal oxide catalyst-support. SOLUTION: The particle of a metal oxide catalyst-support includes a first and a second metal oxides and is constituted of a core and a shell each having a mutually different composition. The molar fraction of the metal constituting the first metal oxide present in the core is greater than that of the metal constituting the first metal oxide present in the shell, and the molar fraction of the metal constituting the second metal oxide present in the shell is greater than that of the metal constituting the second metal oxide present in the core. The second metal oxide is selected from the group consisting of oxides of rare earth excluding ceria and oxides of alkali earth metal. The exhaust cleaning catalyst includes the particles of the metal oxide catalyst-support, and platinum supported thereby. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供允许铂的存在的适当的再分配的排气净化催化剂，重新分配排气净化催化剂中存在的铂的方法，用于制造废气净化催化剂的金属氧化物催化剂载体的颗粒，以及制造金属氧化物催化剂载体的颗粒的方法。解决方案：金属氧化物催化剂载体的颗粒包括第一和第二金属氧化物，并且由具有相互不同组成的芯和壳构成。存在于芯中的构成第一金属氧化物的金属的摩尔分数大于构成外壳中存在的第一金属氧化物的金属的摩尔分数，构成壳中的第二金属氧化物的金属的摩尔分数更大比构成芯中存在的第二金属氧化物的金属更高。第二金属氧化物选自不含二氧化铈的稀土氧化物和碱土金属的氧化物。废气净化催化剂包括金属氧化物催化剂载体的颗粒和由其负载的铂。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2008279343A Regenerating device for cleaning exhaust gas and regeneration method 有权
标题翻译：再生用于清洁排气和再生方法的装置
公开(公告)号：JP2008279343A
公开(公告)日：2008-11-20
申请号：JP2007124754
申请日：2007-05-09
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMATO MASANORI , YOSHIDA TAKESHI , TAKAGI NOBUYUKI , TANABE TOSHITAKA , NAGAI YASUTAKA , DOMAE KAZUHIKO , TAKAHASHI NAOKI
IPC分类号： B01D53/86 , B01J23/96 , B01J38/10 , B01J38/12 , F01N3/08 , F01N3/20
CPC分类号： B01J38/10 , B01D53/9445 , B01D2255/1021 , B01D2255/206 , B01J23/42 , B01J23/63 , B01J23/96 , B01J38/12 , F01N3/2013 , F01N3/206 , F01N3/22 , F01N2240/16 , F01N2240/28 , F01N2610/04 , Y02A50/2324 , Y02T10/22 , Y02T10/26
摘要： PROBLEM TO BE SOLVED: To regenerate a degradated catalyst without interrupting the use of a catalyst and worsening the drivability of an engine. SOLUTION: This regeneration device comprises a heater 2 which heats the catalyst 1 during stopping a fuel supply to an engine, a pump 4 which supplies an oxidative gas or a reductive gas to the heated catalyst 1 and a switching valve 3. In the oxidation process, a poisoning substance such as HC which is adsorbed in the noble metal, is oxidized and removed, and the noble metal particle is turned to the state of oxidation such as seen in a pure oxide etc. Later the noble metal particle undergoes the reduction process and at the same time, is redispersed to the surface of a carrier, thus turning into fine noble metal particles. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在不中断使用催化剂和恶化发动机的驾驶性能的情况下再生降解的催化剂。解决方案：该再生装置包括加热器2，其在停止对发动机的燃料供给期间加热催化剂1;将泵4提供氧化气体或还原气体至加热的催化剂1和切换阀3.在氧化过程，吸附在贵金属中的诸如HC的中毒物质被氧化和去除，并且贵金属颗粒转变为例如纯氧化物等中的氧化状态。随后贵金属颗粒经历还原过程同时被再分散到载体的表面，从而变成细的贵金属颗粒。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2010096664A Method for evaluating catalytic activity of exhaust gas purifying catalyst 审中-公开
标题翻译：评价排气净化催化剂催化活性的方法
公开(公告)号：JP2010096664A
公开(公告)日：2010-04-30
申请号：JP2008268600
申请日：2008-10-17
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： YAMAMOTO TOSHIO , NAGAI YASUTAKA , TAKAHASHI NAOKI , DOMAE KAZUHIKO , MIURA MASAHIDE , TAKAGI NOBUYUKI
IPC分类号： G01N23/06 , B01D53/94 , B01J23/56 , B01J23/63
摘要： PROBLEM TO BE SOLVED: To provide a method for evaluating catalytic activity for evaluating catalytic activity by acquiring information on an exhaust gas purifying catalyst with metal oxide. SOLUTION: The method for evaluating catalytic activity of an exhaust gas purifying catalyst includes the steps of determining an average oxidation number of a metal oxide at a plurality of temperatures while flowing a mixed gas containing an oxidized gas and a reductive gas to the exhaust gas purifying catalyst with a metal catalyst, and evaluating the catalytic activity of the exhaust gas purifying catalyst based on the relation between the temperatures and the average oxidation numbers obtained. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种通过用金属氧化物获取关于废气净化催化剂的信息来评价催化活性的催化活性的方法。解决方案：用于评价废气净化催化剂的催化活性的方法包括以下步骤：在将含有氧化气体和还原性气体的混合气体流动到多个温度的同时，测定多个温度下的金属氧化物的平均氧化数具有金属催化剂的废气净化催化剂，并且基于所获得的温度和平均氧化数之间的关系来评估废气净化催化剂的催化活性。版权所有（C）2010，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式