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公开(公告)号：US20170009623A1
公开(公告)日：2017-01-12
申请号：US15205020
申请日：2016-07-08
发明人： Andrew ARMITAGE , Andrew Francis CHIFFEY , John Benjamin GOODWIN , James LEELAND , Nuria LASTRA-CALVO , Francois MOREAU , Paul Richard PHILLIPS , Stuart David REID , Daniel SWALLOW , David XUEREB
IPC分类号： F01N3/08 , B01J23/656 , B01J23/63 , B01D53/94 , B01J29/78 , B01J23/34 , B01J35/00 , B01J35/04 , F01N3/10 , B01J29/74
CPC分类号： F01N3/0814 , B01D46/2418 , B01D53/9422 , B01D53/9468 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2047 , B01D2255/2065 , B01D2255/2073 , B01D2255/2092 , B01D2255/30 , B01D2255/405 , B01D2255/407 , B01D2255/502 , B01D2255/9022 , B01D2255/9025 , B01D2255/904 , B01D2255/91 , B01J23/005 , B01J23/34 , B01J23/63 , B01J23/6562 , B01J29/7415 , B01J29/7815 , B01J35/0006 , B01J35/04 , B01J37/0234 , B01J37/0244 , B01J37/0246 , B01J37/0248 , F01N3/10 , F01N2570/14
摘要： A catalyst for storing nitrogen oxides (NOx) in an exhaust gas from a lean burn engine comprising a NOx storage material and a substrate, wherein the NOx storage material comprises a NOx storage component and an NO oxidation promoter on a support material, wherein the NO oxidation promoter is manganese or an oxide, hydroxide or carbonate thereof.
摘要翻译： 一种用于在来自包含NOx储存材料和基底的贫燃发动机的废气中存储氮氧化物（NOx）的催化剂，其中所述NOx储存材料包括在载体材料上的NOx储存组分和NO氧化促进剂，其中所述NO 氧化促进剂是锰或其氧化物，氢氧化物或碳酸盐。
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公开(公告)号：US20180065113A1
公开(公告)日：2018-03-08
申请号：US15692021
申请日：2017-08-31
发明人： Guy Richard CHANDLER , Paul Richard PHILLIPS , Stuart David REID , Wolfgang STREHLAU , Daniel SWALLOW
IPC分类号： B01J23/46 , B01J23/44 , B01J23/10 , B01J23/02 , B01J23/00 , B01J21/04 , B01J35/00 , B01J35/10 , B01J35/04 , B01J37/08 , B01J37/02 , B01D53/94 , F01N3/08
CPC分类号： B01J23/464 , B01D53/94 , B01D53/9422 , B01D2255/1025 , B01D2255/2042 , B01D2255/2047 , B01D2255/2065 , B01D2255/2092 , B01D2255/9022 , B01D2255/91 , B01J21/04 , B01J23/005 , B01J23/02 , B01J23/10 , B01J23/44 , B01J35/0006 , B01J35/04 , B01J35/1014 , B01J37/0236 , B01J37/0244 , B01J37/08 , F01N3/0814 , F01N3/0821 , F01N3/0842 , F01N3/2803 , F01N2510/0684 , F01N2570/14 , F01N2570/16 , Y02A50/2344 , Y02T10/22 , Y02T10/24
摘要： A NOx trap catalyst is disclosed. The NOx trap catalyst comprises a noble metal, a NOx storage component, a support, and a first ceria-containing material. The first ceria-containing material is pre-aged prior to incorporation into the NOx trap catalyst, and may have a surface area of less than 80 m2/g. The invention also includes exhaust systems comprising the NOx trap catalyst, and a method for treating exhaust gas utilizing the NOx trap catalyst.
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公开(公告)号：US20170216770A1
公开(公告)日：2017-08-03
申请号：US15492238
申请日：2017-04-20
发明人： Andrew Francis CHIFFEY , John Benjamin GOODWIN , James LEELAND , Francois MOREAU , Stuart David REID , Daniel SWALLOW
IPC分类号： B01D53/94 , B01J23/02 , B01J29/70 , B01J23/42 , F01N3/10 , B01J35/00 , B01J35/04 , B01J37/02 , B01J37/08 , B01J23/44 , B01J21/12
CPC分类号： B01D53/944 , B01D53/56 , B01D53/62 , B01D53/72 , B01D53/922 , B01D53/945 , B01D53/9454 , B01D53/9459 , B01D53/9468 , B01D53/9472 , B01D53/9477 , B01D2201/62 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2255/2065 , B01D2255/20707 , B01D2255/20715 , B01D2255/2073 , B01D2255/20776 , B01D2255/2092 , B01D2255/30 , B01D2255/40 , B01D2255/50 , B01D2255/502 , B01D2255/504 , B01D2255/902 , B01D2255/9022 , B01D2255/903 , B01D2255/9032 , B01D2255/91 , B01D2255/912 , B01D2257/404 , B01D2257/502 , B01D2257/702 , B01J21/12 , B01J23/02 , B01J23/10 , B01J23/34 , B01J23/38 , B01J23/42 , B01J23/44 , B01J23/58 , B01J23/63 , B01J23/6562 , B01J23/66 , B01J29/40 , B01J29/7007 , B01J29/7015 , B01J29/7415 , B01J29/743 , B01J35/0006 , B01J35/023 , B01J35/04 , B01J37/0036 , B01J37/0219 , B01J37/0228 , B01J37/0234 , B01J37/0236 , B01J37/0244 , B01J37/0246 , B01J37/086 , B01J37/10 , F01N3/035 , F01N3/103 , F01N3/106 , F01N3/281 , F01N3/2828 , F01N3/2882 , F01N2330/02 , F01N2330/06 , F01N2370/02 , F01N2510/06 , F01N2510/0682 , F01N2510/0684 , F01N2570/10 , F01N2570/12 , F01N2570/14 , Y02A50/2325 , Y02A50/2341
摘要： An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising a first platinum group metal (PGM), a first support material and a NOx storage component; a second washcoat region comprising platinum (Pt), manganese (Mn) and a second support material; and a substrate having an inlet end and an outlet end.
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公开(公告)号：US20150375221A1
公开(公告)日：2015-12-31
申请号：US14845854
申请日：2015-09-04
发明人： David BERGEAL , Andrew Francis CHIFFEY , Marie FEUERSTEIN , Paul Richard PHILLIPS , Wolfgang STREHLAU , Daniel SWALLOW , James WYLIE
摘要： An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.
摘要翻译： 公开了一种装置。 该装置包括稀燃内燃机，发动机管理装置和用于处理发动机废气的排气系统。 排气系统包括设置在第一蜂窝单体基板上的第一氧化催化剂。 第一氧化催化剂包括负载在包含至少一种可还原氧化物的第一金属氧化物载体上的铂，并且基本上不含碱金属和碱土金属。 发动机管理装置在使用时被间歇地布置成将进入第一氧化催化剂的废气的λ组成调节成富Lambda组成。
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公开(公告)号：US20190176129A1
公开(公告)日：2019-06-13
申请号：US16273271
申请日：2019-02-12
发明人： Guy Richard CHANDLER , Paul Richard PHILLIPS , Stuart David REID , Wolfgang STREHLAU , Daniel SWALLOW
IPC分类号： B01J23/46 , F01N3/08 , B01J23/10 , B01D53/94 , B01J37/08 , B01J37/02 , B01J35/10 , B01J35/04 , B01J35/00 , B01J23/44 , F01N3/28 , B01J21/04 , B01J23/00 , B01J23/02
摘要： A NOx trap catalyst is disclosed. The NOx trap catalyst comprises a noble metal, a NOx storage component, a support, and a first ceria-containing material. The first ceria-containing material is pre-aged prior to incorporation into the NOx trap catalyst, and may have a surface area of less than 80 m2/g. The invention also includes exhaust systems comprising the NOx trap catalyst, and a method for treating exhaust gas utilizing the NOx trap catalyst.
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公开(公告)号：US20170320046A1
公开(公告)日：2017-11-09
申请号：US15586491
申请日：2017-05-04
发明人： Andrew Paul ARMITAGE , Desiree DURAN-MARTIN , Paul James MILLINGTON , Paul Richard PHILLIPS , Raj Rao RAJARAM , Stuart David REID , Daniel SWALLOW
摘要： A NOx adsorber catalyst and its use in an emission treatment system for internal combustion engines, is disclosed. The NOx adsorber catalyst composition comprises a support material, one or more platinum group metals disposed on the support material, and a NOx storage material.
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公开(公告)号：US20170043322A1
公开(公告)日：2017-02-16
申请号：US15337091
申请日：2016-10-28
IPC分类号： B01J23/58 , B01J23/46 , B01J23/10 , F01N3/28 , B01J35/04 , B01J37/02 , F01N3/08 , B01D53/94 , B01J35/00
CPC分类号： B01J23/58 , B01D53/9422 , B01D53/9454 , B01D53/9472 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/202 , B01D2255/204 , B01D2255/2042 , B01D2255/2063 , B01D2255/2065 , B01D2255/2066 , B01D2255/2068 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2255/9032 , B01D2255/908 , B01D2255/91 , B01D2258/012 , B01J23/10 , B01J23/464 , B01J23/63 , B01J35/0006 , B01J35/04 , B01J37/0242 , B01J37/0244 , F01N3/0807 , F01N3/0814 , F01N3/0842 , F01N3/2828 , F01N2510/0682 , Y02T10/20
摘要： A NOx trap comprises components comprising at least one platinum group metal, at least one NOx storage material and bulk ceria or a bulk cerium-containing mixed oxide deposited uniformly in a first layer on a honeycombed substrate monolith, the components in the first layer having a first, upstream, zone having increased activity relative to a second, downstream zone for oxidising hydrocarbons and carbon monoxide, and a second, downstream, zone having increased activity to generate heat during a desulphation event, relative to the first zone, wherein the second zone comprises a dispersion of rare earth oxide, wherein the rare earth oxide loading in the second zone is greater than the loading in the first zone. An exhaust system for a lean burn internal combustion engine, a vehicle comprising a lean burn internal combustion engine and the exhaust system and methods of making the NOx trap are also disclosed.
摘要翻译： NOx捕集器包括包含至少一种铂族金属，至少一种NO x储存材料和均匀沉积在蜂窝衬底整料上的第一层中的本体二氧化铈或主体铈混合氧化物的组分，第一层中的组分具有 第一，上游区域相对于用于氧化烃和一氧化碳的第二下游区域具有增加的活性，以及相对于第一区域具有增加的活性以在脱硫事件期间产生热量的第二下游区域，其中第二区域 包括稀土氧化物的分散体，其中在第二区域中负载的稀土氧化物大于第一区域中的负载量。 还公开了一种用于贫燃内燃机的排气系统，包括贫燃内燃机和排气系统的车辆以及制造NOx捕集器的方法。
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公开(公告)号：US20200208557A1
公开(公告)日：2020-07-02
申请号：US16800231
申请日：2020-02-25
发明人： Andrew ARMITAGE , Desiree DURAN MARTIN , Rebecca MAKSYMOWICZ , Paul James MILLINGTON , Paul Richard PHILLIPS , Raj Rao RAJARAM , Stuart David REID , Daniel SWALLOW
IPC分类号： F01N3/08 , B01J23/00 , B01J20/28 , B01J20/30 , B01J37/02 , B01J20/06 , B01J20/08 , B01D53/94 , B01J20/32 , B01J20/02 , F01N3/20 , F01N3/10 , B01J37/08 , B01J37/00 , B01J23/63
摘要： A NOx adsorber catalyst and its use in an emission treatment system for internal combustion engines, is disclosed. The NOx adsorber catalyst comprises a first layer consisting essentially of a support material, one or more platinum group metals disposed on the support material, and a NOx storage material.
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公开(公告)号：US20180066554A1
公开(公告)日：2018-03-08
申请号：US15802492
申请日：2017-11-03
摘要： An exhaust system for treating an exhaust gas from an internal combustion engine is disclosed. The system comprises a modified lean NOx trap (LNT), a urea injection system, and an ammonia-selective catalytic reduction catalyst. The modified LNT comprises a first layer and a second layer. The first layer comprises a NOx adsorbent component and one or more platinum group metals. The second layer comprises a diesel oxidation catalyst zone and an NO oxidation zone. The diesel oxidation catalyst zone comprises a platinum group metal, a zeolite, and optionally an alkaline earth metal. The NO oxidation zone comprises a platinum group metal and a carrier. The modified LNT stores NOx at temperatures below about 200° C. and releases at temperatures above about 200° C. The modified LNT and a method of using the modified LNT are also disclosed.
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公开(公告)号：US20160047286A1
公开(公告)日：2016-02-18
申请号：US14820581
申请日：2015-08-07
CPC分类号： F01N3/0842 , B01D53/9422 , B01D53/9477 , B01D2251/2067 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2255/2065 , B01D2255/405 , B01D2255/50 , B01D2255/9022 , B01D2255/9032 , B01D2255/91 , B01J21/005 , B01J23/63 , B01J29/068 , B01J29/072 , B01J35/0006 , B01J37/0246 , F01N3/0814 , F01N3/103 , F01N3/2066 , F01N2570/14 , F01N2610/02 , Y02A50/2325 , Y02A50/2344 , Y02T10/24
摘要： An exhaust system for treating an exhaust gas from an internal combustion engine is disclosed. The system comprises a modified lean NO trap (LNT), a urea injection system, and an ammonia-selective catalytic reduction catalyst. The modified LNT comprises a first layer and a second layer. The first layer comprises a NO adsorbent component and one or more platinum group metals. The second layer comprises a diesel oxidation catalyst zone and an NO oxidation zone. The diesel oxidation catalyst zone comprises a platinum group metal, a zeolite, and optionally an alkaline earth metal. The NO oxidation zone comprises a platinum group metal and a carrier. The modified LNT stores NO at temperatures below about 200° C. and releases at temperatures above about 200° C. The modified LNT and a method of using the modified LNT are also disclosed.
摘要翻译： 公开了一种用于处理来自内燃机的废气的排气系统。 该系统包括改性的贫NO捕集器（LNT），尿素注入系统和氨选择性催化还原催化剂。 修饰的LNT包括第一层和第二层。 第一层包括NO吸附剂组分和一种或多种铂族金属。 第二层包括柴油氧化催化剂区和NO氧化区。 柴油氧化催化剂区域包括铂族金属，沸石和任选的碱土金属。 NO氧化区包含铂族金属和载体。 改性的LNT在低于约200℃的温度下存储NO，并在高于约200℃的温度下释放。还公开了改进的LNT和使用经修饰的LNT的方法。
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