公开(公告)号：US07576028B2

公开(公告)日：2009-08-18

申请号：US09735930

申请日：2000-12-14

申请人： Naomi Noda ,  Junichi Suzuki ,  Takashi Harada

发明人： Naomi Noda ,  Junichi Suzuki ,  Takashi Harada

IPC分类号： B01J23/40

CPC分类号： B01D53/9422 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/202 ,  B01D2255/2022 ,  B01D2255/2025 ,  B01D2255/2027 ,  B01D2255/204 ,  B01D2255/20707 ,  B01D2255/20784 ,  B01J23/58 ,  B01J37/0203 ,  B01J37/0215

摘要： A catalyst body comprising a carrier and a catalyst layer containing an alkali metal and/or an alkaline earth metal, loaded on the carrier, which catalyst further contains a substance capable of reacting with the alkali metal and/or the alkaline earth metal, dominating over the reaction between the main components of the carrier and the alkali metal and/or the alkaline earth metal. With this catalyst body, the deterioration of the carrier by the alkali metal and/or the alkaline earth metal is prevented; therefore, the catalyst body can be used over a long period of time.

摘要翻译： 一种催化剂体，其包含负载在载体上的载体和含有碱金属和/或碱土金属的催化剂层，该催化剂还含有能够与碱金属和/或碱土金属反应的物质，主导于 载体的主要成分与碱金属和/或碱土金属之间的反应。 通过该催化剂体，防止了碱金属和/或碱土类金属对载体的劣化; 因此，催化剂体可以长时间使用。

公开(公告)号：US20050085382A1

公开(公告)日：2005-04-21

申请号：US10505419

申请日：2003-03-07

申请人： Naomi Noda ,  Shigekazu Takagi ,  Junichi Suzuki

发明人： Naomi Noda ,  Shigekazu Takagi ,  Junichi Suzuki

IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J21/04 ,  B01J23/02 ,  B01J23/58 ,  B01J32/00 ,  B01J37/02 ,  B01J21/12

CPC分类号： B01J37/0244 ,  B01D53/86 ,  B01D53/9422 ,  B01D2255/2022 ,  B01D2255/2042 ,  B01J21/04 ,  B01J23/02 ,  B01J23/58 ,  B01J37/0215 ,  B01J37/0248

摘要： A carrier having a specific structure, characterized in that it has alumina and, optionally, a substance liable to react with an alkali metal and/or an alkaline earth metal both used as a catalyst component and/or an alkali metal and/or an alkaline earth metal, which are disposed in the carrier or on the cell wall surface of the carrier; a method for production of the carrier; and a catalyst body comprising the carrier and a catalytic material coated thereon. The use of the carrier allows production of a catalyst body which comprises the carrier and a catalytic material coated thereon, containing an alkali metal and/or an alkaline earth metal, such as Li, Na, K, Ca or the like and which is less susceptible to the deterioration of the carrier caused by the above metal even when used over a long period of time.

摘要翻译： 具有特定结构的载体，其特征在于，其具有氧化铝和任选的易于与用作催化剂组分和/或碱金属和/或碱的碱金属和/或碱土金属反应的物质 地球金属，其设置在载体中或载体的细胞壁表面上; 一种生产载体的方法; 以及包含载体和涂覆在其上的催化材料的催化剂体。 载体的使用允许制备包含载体和其上涂覆有催化材料的催化剂体，其包含碱金属和/或碱土金属如Li，Na，K，Ca等，并且其较少 即使在长时间使用时也容易受到上述金属引起的载体的劣化。

公开(公告)号：US5459119A

公开(公告)日：1995-10-17

申请号：US192745

申请日：1994-02-07

申请人： Fumio Abe ,  Naomi Noda ,  Junichi Suzuki

发明人： Fumio Abe ,  Naomi Noda ,  Junichi Suzuki

IPC分类号： B01D53/94 ,  B01J23/46 ,  B01J23/56 ,  B01J23/63 ,  B01J35/00 ,  B01J37/02 ,  B01J23/40 ,  B01J23/42 ,  B01J23/44

CPC分类号： B01D53/945 ,  B01J23/464 ,  B01J35/0033 ,  B01J37/0244 ,  B01J37/0248 ,  Y02T10/22

摘要： A catalyst for purification of exhaust gases, comprising a monolithic carrier and a catalyst layer formed thereon for reduction of the carbon monoxide, hydrocarbons and nitrogen oxides emitted from internal combustion engines, wherein (1) the catalyst layer contains catalyst particles each comprising a heat-resistant inorganic oxide and at least one noble metal selected from Pt, Pd and Rh, loaded thereon, (2) the catalyst layer contains, as a whole, three noble metals of Pt, Pd and Rh, (3) the catalyst layer contains, at any position ranging from the outer surface to the midpoint of the thickness, catalyst particles comprising a heat-resistant inorganic oxide and 2-10% by weight, based on the inorganic oxide, of Pd loaded thereon, and (4) the catalyst layer has, at the outer surface, exposed catalyst particles comprising an heat-resistant inorganic oxide and at least Rh loaded thereon.

摘要翻译： 一种用于净化废气的催化剂，包括整体式载体和形成在其上的催化剂层，用于减少从内燃机排放的一氧化碳，烃类和氮氧化物，其中（1）催化剂层含有各自含有 耐火无机氧化物和至少一种选自Pt，Pd和Rh的贵金属，（2）催化剂层总体上含有Pt，Pd和Rh三种贵金属，（3）催化剂层含有， 在从外表面到厚度中点的任何位置处，催化剂颗粒包含耐热无机氧化物和基于无机氧化物的2-10重量％的负载Pd的载体，和（4）催化剂层 在外表面具有包含耐热无机氧化物和至少负载有Rh的暴露的催化剂颗粒。

公开(公告)号：US07186386B1

公开(公告)日：2007-03-06

申请号：US09524575

申请日：2000-03-13

申请人： Takuya Hiramatsu ,  Akira Takahashi ,  Naomi Noda ,  Junichi Suzuki

发明人： Takuya Hiramatsu ,  Akira Takahashi ,  Naomi Noda ,  Junichi Suzuki

IPC分类号： B01D50/00

CPC分类号： F01N3/0835 ,  B01D53/9486 ,  B01D2253/108 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  F01N3/0814 ,  F01N2240/18 ,  F01N2250/12

摘要： A system for exhaust gas purification includes at least one adsorbent capable of adsorbing harmful substances such as hydrocarbons and the like in exhaust gas and at least one catalyst containing a catalyst component, capable of reducing said harmful substances, both provided at an in-line position of exhaust pipe of internal combustion engine. In the system, the hydrocarbons, etc. in the exhaust gas emitted during cold engine start up of internal combustion engine are adsorbed by the adsorbent and the adsorbed hydrocarbons, etc. are desorbed from the adsorbent with the temperature rise of the adsorbent caused by the heat of the exhaust gas and are burnt on the catalyst. The adsorbent contains a H type β-zeolite having a SiO2/Al2O3 ratio of 100 or more and can maintain good adsorption capability even when exposed to an exhaust gas of 750° C. or more form an internal combustion engine. This system for exhaust gas purification can effectively purify harmful substances in exhaust gas, particularly the hydrocarbons, etc. emitted in large amounts during cold engine start up.

摘要翻译： 废气净化系统包括至少一种能够吸附排气中的烃等有害物质的吸附剂，以及至少含有催化剂成分的能够还原所述有害物质的催化剂，两者均设置在排列位置 的内燃机排气管。 在该系统中，在内燃机的冷启动发动机期间排出的废气中的碳氢化合物等被吸附剂吸附，吸附的烃等从吸附剂中脱附，伴随着吸附剂的升温 废气的热量并在催化剂上燃烧。 该吸附剂含有具有100或更大的SiO 2 / Al 2 O 3比率的H型β-沸石，并且可以保持良好的吸附能力 即使暴露于750℃以上的废气也形成内燃机。 该排气净化系统能够有效地净化排气中的有害物质，特别是发动机冷启动时大量排放的烃类等。

公开(公告)号：US06667018B2

公开(公告)日：2003-12-23

申请号：US08579907

申请日：1995-12-28

申请人： Naomi Noda ,  Fumio Abe ,  Junichi Suzuki

发明人： Naomi Noda ,  Fumio Abe ,  Junichi Suzuki

IPC分类号： B01J802

CPC分类号： B01D53/945 ,  B01J23/44 ,  B01J29/068 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  Y02T10/22

摘要： A catalyst-adsorbent for purification of exhaust gases, including a monolithic carrier and a catalyst-adsorbent layer formed thereon, the catalyst-adsorbent layer including a catalyst for reduction of the carbon monoxide, hydrocarbons and nitrogen oxides emitted from internal combustion engines and an adsorbent for reduction of the hydrocarbons emitted during cold start of the engines. The catalyst is composed mainly of catalyst particles each including a heat-resistant inorganic oxide and at least one noble metal selected from Pt, Pd and Rh, loaded thereon, the catalyst containing at least catalyst particles each comprising a heat-resistant inorganic oxide and 2-30% by weight, based on the oxide, of Pd loaded thereon, the adsorbent comprising adsorbent particles composed mainly of zeolite.

摘要翻译： 用于净化废气的催化剂 - 吸附剂，包括整体式载体和形成在其上的催化剂 - 吸附剂层，催化剂 - 吸附剂层包括用于还原一氧化碳的催化剂，从内燃机排放的烃和氮氧化物和吸附剂 用于减少在发动机冷起动期间排出的烃。 催化剂主要由催化剂颗粒组成，催化剂颗粒各自包含耐热无机氧化物和至少一种选自Pt，Pd和Rh的贵金属，负载在其上，催化剂至少包含催化剂颗粒，每个催化剂颗粒包含耐热无机氧化物和2 -30重量％，基于氧化物，其上载有Pd，吸附剂包括主要由沸石组成的吸附剂颗粒。

公开(公告)号：US5376610A

公开(公告)日：1994-12-27

申请号：US45083

申请日：1993-04-12

申请人： Toshio Takahata ,  Hideharu Ehara ,  Fuminori Yamanashi ,  Katsuhiro Shibata ,  Fumio Abe ,  Tomoharu Kondo ,  Junichi Suzuki ,  Naomi Noda

发明人： Toshio Takahata ,  Hideharu Ehara ,  Fuminori Yamanashi ,  Katsuhiro Shibata ,  Fumio Abe ,  Tomoharu Kondo ,  Junichi Suzuki ,  Naomi Noda

IPC分类号： B01D53/94 ,  B01J23/63 ,  B01J37/02 ,  F01N3/20 ,  F01N3/22 ,  F01N3/32 ,  F01N13/02 ,  F02B1/04 ,  B01J29/04 ,  B01J23/40 ,  B01J35/04

CPC分类号： B01J37/0234 ,  B01D53/945 ,  B01J23/63 ,  B01J37/0244 ,  B01J37/0248 ,  F01N13/0097 ,  F01N3/2026 ,  F01N3/22 ,  F01N3/222 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/9022 ,  B01D2255/904 ,  B01D2255/912 ,  B01J23/40 ,  F01N2330/04 ,  F01N3/32 ,  F02B1/04 ,  Y02T10/22 ,  Y02T10/26

摘要： A catalyst for exhaust gas purification has at least one monolith carrier, at least one first catalyst layer having a three-way catalytic activity, provided on the carrier, and a second catalyst layer having a hydrocarbon purification activity, provided on the first catalyst layer. In a gasoline engine automobile provided with the above catalyst for exhaust gas purification in the exhaust gas system, the hydrocarbons present in the exhaust gas can be converted at a high efficiency by introducing secondary air into the exhaust gas in front of the catalyst to make the exhaust gas lean, at the engine start when a large amount of unburnt hydrocarbons are present in the exhaust gas. Further, the engine warm-up property of the automobile can be improved by the heat generated by the catalytic reaction of the hydrocarbons. The catalyst further exhibits a three-way catalytic activity even during the steady state engine operation after warm-up.

摘要翻译： 用于废气净化的催化剂具有至少一个整料载体，在载体上提供的具有三元催化活性的至少一个第一催化剂层和设置在第一催化剂层上的具有烃净化活性的第二催化剂层。 在设置有上述废气净化废气催化剂的汽油发动机汽车中，通过将二次空气引入到催化剂前面的废气中，可以高效率地转化存在于废气中的烃， 在排气中存在大量未燃碳氢化合物时，发动机起动。 此外，通过烃的催化反应产生的热可以提高汽车的发动机预热性能。 即使在预热后的稳态发动机运转中，催化剂还表现出三元催化活性。

公开(公告)号：US5164350A

公开(公告)日：1992-11-17

申请号：US646363

申请日：1991-01-28

申请人： Fumio Abe ,  Junichi Suzuki ,  Naomi Noda

发明人： Fumio Abe ,  Junichi Suzuki ,  Naomi Noda

IPC分类号： B01J29/40 ,  B01D53/94 ,  B01J29/068 ,  B01J29/18 ,  B01J29/22 ,  B01J29/44 ,  B01J37/02 ,  F01N3/28

CPC分类号： B01D53/945 ,  B01J29/068 ,  B01J37/0242 ,  B01J37/0246 ,  Y02C20/10 ,  Y02T10/22

摘要： A catalyst composition for purification of exhaust gas, including (a) high-silica zeolite having a Si/Al ratio of 40 or more, subjected to ion exchange with at least one metal selected from Pt, Pd, Rh, Ir and Ru, and (b) a heat-resistant oxide containing at least one metal selected from Pt, Pd, Rh, Ir and Ru; a catalyst for purification of exhaust gas, including a monolith carrier and the catalyst composition supported on the carrier; and a process for producing the catalyst. The catalyst has high activity for exhaust gas purification even when the catalyst contains Rh--, --, which is an expensive catalyst component, in a very small amount.

摘要翻译： 一种用于净化废气的催化剂组合物，其包括（a）Si / Al比为40以上的高二氧化硅沸石与选自Pt，Pd，Rh，Ir和Ru中的至少一种金属进行离子交换，以及 （b）含有选自Pt，Pd，Rh，Ir和Ru中的至少一种金属的耐热氧化物; 用于净化废气的催化剂，包括整料载体和负载在载体上的催化剂组合物; 和催化剂的制造方法。 即使催化剂含有极少量的昂贵的催化剂组分Rh - ， - ，催化剂也具有较高的废气净化活性。

公开(公告)号：US07041358B2

公开(公告)日：2006-05-09

申请号：US10432037

申请日：2002-09-18

申请人： Naomi Noda ,  Junichi Suzuki

发明人： Naomi Noda ,  Junichi Suzuki

IPC分类号： B32B3/12

CPC分类号： C04B41/009 ,  B01D39/2068 ,  B01J35/04 ,  B28B3/269 ,  B28B11/04 ,  C04B38/0006 ,  C04B38/0009 ,  C04B41/4578 ,  F01N3/2828 ,  F01N2330/06 ,  Y10T428/131 ,  Y10T428/24149 ,  Y10T428/24744 ,  C04B35/00 ,  C04B41/5025 ,  C04B38/00 ,  C04B38/007

摘要： A honeycomb structure 1 having numerous through channels passing through along the X axis and being partitioned with porous partition walls 2 which is characterized in that: a total pore volume (D) cc/g in end portions of the partition walls 2 is smaller than the total pore volume in other portions of partition walls 2; and relationships between the total pore volume (D) cc/g in end portions and the partition wall thickness (B) μm and cell pitch (C) mm in other portions of partition walls are defined as; the total pore volume (D)≦the partition wall thickness (B)×0.004, and the total pore volume (D)≦(1/the cell pitch (C))×0.18; and a method of producing a honeycomb structure. There is provided with the honeycomb structures 1 having various cell structures and being reinforced at their end portions, with exhibiting satisfactory and practical erosion resistance.

摘要翻译： 蜂窝结构体1具有沿着X轴穿过并且分隔有多孔分隔壁2的多个贯通通道，其特征在于：分隔壁2的端部中的总孔体积（D）cc / g小于 分隔壁2的其他部分的总孔容积; 并且分隔壁的其他部分中端部的总孔体积（D）cc / g与分隔壁厚度（B）之间的关系和单元间距（C）mm的关系定义为： 总孔体积（D）<=分隔壁厚度（B）×0.004，总孔体积（D）<=（1 /孔间距（C））×0.18; 以及蜂窝结构体的制造方法。 设置有具有各种电池结构并在其端部加强的蜂窝结构体1，具有令人满意且实用的耐腐蚀性。

公开(公告)号：US20050261127A1

公开(公告)日：2005-11-24

申请号：US10519749

申请日：2003-07-09

申请人： Naomi Noda ,  Junichi Suzuki

发明人： Naomi Noda ,  Junichi Suzuki

IPC分类号： F01N3/10 ,  B01D53/88 ,  B01D53/94 ,  B01J21/06 ,  B01J23/02 ,  B01J23/58 ,  B01J32/00 ,  B01J35/04 ,  B01J37/02 ,  F01N3/28 ,  B01J23/00

CPC分类号： B01J21/063 ,  B01D53/9422 ,  B01D2255/202 ,  B01D2255/204 ,  B01D2255/20707 ,  B01D2255/9022 ,  B01J23/02 ,  B01J23/58 ,  B01J35/04 ,  B01J37/0215 ,  B01J37/0217 ,  B01J37/0219 ,  B01J37/0244 ,  B01J37/0248

摘要： There is provided a catalyst carrier comprising ceramic substrate composed mainly of ceramics, and a pre-coat layer applied on the ceramic substrate, wherein the pre-coat layer comprises titanium oxide (TiO2) in an amount of at least 30 mass %. Also there is provided a catalyst body comprising such a catalyst carrier, and alkali metal and/or alkaline earth metal loaded on the catalyst carrier. There are provided a catalyst carrier showing less deterioration by alkaline metal and/or alkaline earth metal to be loaded on the carrier, and a catalyst body showing less deterioration by alkaline metal and/or alkaline earth metal being loaded on the carrier.

摘要翻译： 提供了一种催化剂载体，其包括主要由陶瓷组成的陶瓷基材和涂在陶瓷基材上的预涂层，其中预涂层包含一定量的氧化钛（TiO 2） 至少30质量％。 还提供了一种包含这种催化剂载体和负载在催化剂载体上的碱金属和/或碱土金属的催化剂体。 提供了一种催化剂载体，其显示出较少的碱性金属和/或碱土金属被劣化的负载载体，催化剂体显示较少的碱金属和/或碱土金属的负载载体的劣化。

公开(公告)号：US06602822B2

公开(公告)日：2003-08-05

申请号：US09271155

申请日：1999-03-17

申请人： Naomi Noda ,  Yukinari Shibagaki ,  Junichi Suzuki

发明人： Naomi Noda ,  Yukinari Shibagaki ,  Junichi Suzuki

IPC分类号： B01J2344

CPC分类号： B01D53/9486 ,  B01D53/945 ,  B01D2255/1021 ,  B01J23/44 ,  B01J23/63 ,  B01J37/0248 ,  F01N3/0814 ,  F01N3/10 ,  F01N3/30 ,  F01N13/009 ,  F01N2410/06 ,  F01N2410/12 ,  Y02T10/22

摘要： A catalyst for exhaust gas purification includes (1) a monolithic carrier having passages and (2) palladium-loaded alumina obtained by immersing alumina in a palladium solution and then firing the resulting alumina and loaded on the monolithic carrier as a catalyst layer. In the catalyst, the catalyst layer loaded on the partition walls of the passages of the monolithic carrier has a thickness of 5 to 100 &mgr;m and the palladium/alumina (Pd/Al2O3) weight ratio in the catalyst layer is 0.03 to 0.30. This catalyst is a Pd-only catalyst improved in hydrocarbon purifiability during the cold start of engine.

摘要翻译： 用于废气净化的催化剂包括（1）具有通道的整体式载体和（2）通过将氧化铝浸入钯溶液中而获得的负载钯的氧化铝，然后焙烧所得氧化铝并作为催化剂层负载在整体式载体上。 在催化剂中，负载在整体式载体的通道的分隔壁上的催化剂层的厚度为5〜100μm，催化剂层中的钯/氧化铝（Pd / Al 2 O 3）重量比为0.03〜0.30。 该催化剂是在发动机冷起动期间提高烃纯化性能的仅Pd催化剂。