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1.发明申请METHOD AND AFTERTREATMENT CONFIGURATION TO REDUCE ENGINE COLD-START NOx EMISSIONS 有权减少发动机冷却NOx排放的方法和后处理配置公开(公告)号：US20110088373A1
公开(公告)日：2011-04-21
申请号：US12582450
申请日：2009-10-20
申请人： Giovanni Cavataio , Jeong Yeol Kim , Michael Goebelbecker , Paul M. Laing , Christine Kay Lambert
发明人： Giovanni Cavataio , Jeong Yeol Kim , Michael Goebelbecker , Paul M. Laing , Christine Kay Lambert
CPC分类号： F01N9/00 , F01N3/08 , F01N3/2066 , F01N13/009 , F01N2410/06 , F02B37/007 , F02B37/18 , F02D41/0007 , F02D41/0235 , F02D41/068 , F02D41/1446 , F02D41/187 , F02D2250/36 , Y02A50/2325 , Y02T10/144 , Y02T10/42 , Y02T10/47
摘要： Systems and methods for reducing NOx emissions using a branched exhaust system with a first and second turbine including an emission-control device containing a zeolite, are described. In one example approach, a method comprises: during a first duration when exhaust temperature is below a first temperature threshold, directing exhaust gas through the second turbine and the emission-control device, and adjusting the second turbine to control intake boost; and during a second duration following the first, directing exhaust gas through the first turbine, and adjusting the first turbine to control intake boost. The emission-control device may be purged when exhaust temperature is above a second temperature threshold higher than the first temperature threshold, where during the second duration exhaust gas does not flow through the emission-control device.
摘要翻译： 描述了使用具有包括含有沸石的排放控制装置的第一和第二涡轮机的分支排气系统来减少NOx排放的系统和方法。 在一个示例性方法中，一种方法包括：在排气温度低于第一温度阈值的第一持续时间内，引导废气通过第二涡轮机和排放控制装置，并且调节第二涡轮机以控制进气增压; 并且在第一次之后的第二持续时间内引导排气通过第一涡轮，并且调节第一涡轮以控制进气增压。 当排气温度高于高于第一温度阈值的第二温度阈值时，排放控制装置可以被清除，其中在第二持续时间内废气不流过排放控制装置。
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2.发明授权Method and aftertreatment configuration to reduce engine cold-start NOx emissions 有权方法和后处理配置，以减少发动机冷启动NOx排放公开(公告)号：US08191354B2
公开(公告)日：2012-06-05
申请号：US12582450
申请日：2009-10-20
申请人： Giovanni Cavataio , Jeong Yeol Kim , Michael Goebelbecker , Paul M Laing , Christine Kay Lambert
发明人： Giovanni Cavataio , Jeong Yeol Kim , Michael Goebelbecker , Paul M Laing , Christine Kay Lambert
IPC分类号： F01N5/04
CPC分类号： F01N9/00 , F01N3/08 , F01N3/2066 , F01N13/009 , F01N2410/06 , F02B37/007 , F02B37/18 , F02D41/0007 , F02D41/0235 , F02D41/068 , F02D41/1446 , F02D41/187 , F02D2250/36 , Y02A50/2325 , Y02T10/144 , Y02T10/42 , Y02T10/47
摘要： Systems and methods for reducing NOx emissions using a branched exhaust system with a first and second turbine including an emission-control device containing a zeolite, are described. In one example approach, a method comprises: during a first duration when exhaust temperature is below a first temperature threshold, directing exhaust gas through the second turbine and the emission-control device, and adjusting the second turbine to control intake boost; and during a second duration following the first, directing exhaust gas through the first turbine, and adjusting the first turbine to control intake boost. In this way, the first and second turbines may provide a greater degree of boost control in order to reduce boost fluctuations while enabling storing cold start NOx emissions for later reduction.
摘要翻译： 描述了使用具有包括含有沸石的排放控制装置的第一和第二涡轮机的分支排气系统来减少NOx排放的系统和方法。 在一个示例性方法中，一种方法包括：在排气温度低于第一温度阈值的第一持续时间内，引导废气通过第二涡轮机和排放控制装置，并且调节第二涡轮机以控制进气增压; 并且在第一次之后的第二持续时间内引导排气通过第一涡轮，并且调节第一涡轮以控制进气增压。 以这种方式，第一和第二涡轮机可以提供更大程度的升压控制，以便减少升压波动，同时能够存储用于稍后减少的冷启动NOx排放。
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3.发明授权Progressive catalyst loading for integrated particulate filter and selective catalytic reduction unit 有权集成微粒过滤器和选择性催化还原装置的逐步催化剂负载公开(公告)号：US08071038B2
公开(公告)日：2011-12-06
申请号：US12796720
申请日：2010-06-09
CPC分类号： F01N3/035 , B01D53/9431 , B01D2255/9155 , B01D2258/012 , F01N3/0231 , F01N3/2066 , F01N2510/0682 , F01N2610/02 , Y02T10/24
摘要： The present invention relates to an emission control system for reducing gases from the exhaust of a combustion engine. In at least one embodiment, the emission control system includes an exhaust passage for transporting the exhaust from the combustion engine, and a particulate filter and selective catalytic reduction (SCR/PF) unit disposed within the passage, with the unit having a plurality of spaced filter walls extending axially along the passage and selective catalytic reduction catalyst variably loaded on the unit to provide a more uniform pressure drop relative to a unit having uniformly loaded catalyst.
摘要翻译： 本发明涉及一种用于减少来自内燃机的排气的气体的排放控制系统。 在至少一个实施例中，排放控制系统包括用于输送来自内燃机的排气的排气通道，以及设置在通道内的微粒过滤器和选择性催化还原（SCR / PF）单元，其中该单元具有多个间隔 沿着通道轴向延伸的过滤壁和选择性催化还原催化剂，其可变地装载在单元上，以提供相对于具有均匀负载催化剂的单元的更均匀的压降。
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4.发明申请PROGRESSIVE CATALYST LOADING FOR INTEGRATED PARTICULATE FILTER AND SELECTIVE CATALYTIC REDUCTION UNIT 有权用于集成颗粒过滤器和选择性催化还原单元的逐步催化剂装载公开(公告)号：US20110162346A1
公开(公告)日：2011-07-07
申请号：US12796720
申请日：2010-06-09
IPC分类号： F01N3/035
CPC分类号： F01N3/035 , B01D53/9431 , B01D2255/9155 , B01D2258/012 , F01N3/0231 , F01N3/2066 , F01N2510/0682 , F01N2610/02 , Y02T10/24
摘要： The present invention relates to an emission control system for reducing gases from the exhaust of a combustion engine. In at least one embodiment, the emission control system includes an exhaust passage for transporting the exhaust from the combustion engine, and a particulate filter and selective catalytic reduction (SCR/PF) unit disposed within the passage, with the unit having a plurality of spaced filter walls extending axially along the passage and selective catalytic reduction catalyst variably loaded on the unit to provide a more uniform pressure drop relative to a unit having uniformly loaded catalyst.
摘要翻译： 本发明涉及一种用于减少来自内燃机的排气的气体的排放控制系统。 在至少一个实施例中，排放控制系统包括用于输送来自内燃机的排气的排气通道，以及设置在通道内的微粒过滤器和选择性催化还原（SCR / PF）单元，其中该单元具有多个间隔 沿着通道轴向延伸的过滤壁和选择性催化还原催化剂，其可变地装载在单元上，以提供相对于具有均匀负载催化剂的单元的更均匀的压降。
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5.发明授权Methods and systems for diagnostics of an emission system with more than one SCR region 有权具有多个SCR区域的排放系统的诊断方法和系统公开(公告)号：US08240194B2
公开(公告)日：2012-08-14
申请号：US12512640
申请日：2009-07-30
IPC分类号： G01M15/10
CPC分类号： G01M15/102 , F01N3/106 , F01N3/2006 , F01N3/208 , F01N11/00 , F01N13/0093 , F01N2550/02 , F01N2610/146 , F01N2900/1402 , F01N2900/1602 , F01N2900/1622 , F02D41/0255 , F02D41/029 , F02D41/401 , F02D2200/0802 , Y02A50/2325 , Y02T10/24 , Y02T10/26 , Y02T10/44 , Y02T10/47
摘要： Methods and systems for controlling and/or diagnosing an emission control system of a vehicle having a first SCR region upstream of a second SCR region are provided herein. One exemplary method includes, indicating degradation based on a first SCR region performance during a first condition; and indicating degradation based on a second SCR region performance during a second condition, the first condition different than the second condition. In this way, different levels of degradation among different SCR regions may be used to indicate emissions levels have increased above a threshold value, for example.
摘要翻译： 本文提供了用于控制和/或诊断具有第二SCR区域上游的第一SCR区域的车辆的排放控制系统的方法和系统。 一种示例性方法包括：在第一状态期间指示基于第一SCR区域性能的劣化; 并且指示在第二状态期间基于第二SCR区域性能的劣化，所述第一条件不同于所述第二条件。 以这种方式，例如，可以使用不同SCR区域之间的不同水平的劣化来指示排放水平已经增加到阈值以上。
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公开(公告)号：US20110200505A1
公开(公告)日：2011-08-18
申请号：US12706346
申请日：2010-02-16
申请人： Giovanni Cavataio , Hungwen Jen , James Robert Warner , James W. Girard , Christine Kay Lambert
发明人： Giovanni Cavataio , Hungwen Jen , James Robert Warner , James W. Girard , Christine Kay Lambert
IPC分类号： B01D53/94 , B01J23/00 , B01J23/72 , B01J23/745 , B01D50/00
CPC分类号： B01J29/072 , B01D53/9418 , B01D53/9477 , B01D2251/2062 , B01D2251/2067 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/9022 , B01D2255/9032 , B01D2279/30 , B01J23/72 , B01J23/745 , B01J35/0006 , B01J35/04 , B01J37/0246 , Y02T10/24
摘要： According to one aspect of the present invention, a catalyst assembly is provided for treating an exhaust from an engine. In one embodiment, the catalyst assembly includes a first catalyst material catalytically active at a first temperature and loaded at a first catalyst material loading, the first catalyst material including a first base metal loading, and a second catalyst material catalytically active at a second temperature lower than the first temperature and loaded at a second catalyst material loading, the second catalyst material including a second base metal loading, wherein the second base metal loading is higher than the first base metal loading.
摘要翻译： 根据本发明的一个方面，提供一种用于处理来自发动机的排气的催化剂组件。 在一个实施方案中，催化剂组合包括在第一温度下催化活性的第一催化剂材料，并以第一催化剂材料负载负载，所述第一催化剂材料包括第一贱金属负载和在第二温度下催化活性的第二催化剂材料 所述第二催化剂材料包括第二基体金属负载，其中所述第二基体金属负载高于所述第一母材负载。
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公开(公告)号：US08343448B2
公开(公告)日：2013-01-01
申请号：US12242437
申请日：2008-09-30
IPC分类号： B01D53/56
CPC分类号： F01N3/2066 , B01D53/9418 , B01D53/9477 , B01D2251/2067 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/9022 , B01D2255/911 , B01D2255/9205 , B01D2258/012 , B01J29/072 , B01J37/0246 , F01N3/035 , F01N2370/04 , F01N2510/06 , F01N2510/0684 , F01N2610/02 , Y02A50/2325 , Y02T10/24
摘要： Systems and methods are provided for reducing NOx emissions from a vehicle including an engine having an exhaust. In one example, the system comprises a NOx reducing system coupled to the engine exhaust including a base metal zeolite, said NOx reducing system including a first layer with a first pore size and a second layer with a second pore size, said first pore size being smaller than said second pore size.
摘要翻译： 提供了用于减少包括具有排气的发动机的车辆的NOx排放的系统和方法。 在一个实例中，该系统包括联接到包括贱金属沸石的发动机排气的NOx还原系统，所述NOx还原系统包括具有第一孔径的第一层和具有第二孔径的第二层，所述第一孔径为 小于所述第二孔径。
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8.发明授权Emission SCR NOX aftertreatment system having reduced SO3 generation and improved durability 有权排放SCR NOX后处理系统具有减少的SO3产生和改善的耐久性公开(公告)号：US08062601B2
公开(公告)日：2011-11-22
申请号：US12912095
申请日：2010-10-26
申请人： Yisun Cheng , Clifford Norman Montreuil , Giovanni Cavataio , Douglas Allen Dobson , Christine Kay Lambert
发明人： Yisun Cheng , Clifford Norman Montreuil , Giovanni Cavataio , Douglas Allen Dobson , Christine Kay Lambert
CPC分类号： F01N3/2066 , F01N3/023 , F01N3/035 , F01N3/106 , F01N13/009 , F01N2570/10 , F01N2570/14 , Y02A50/2344 , Y02T10/24
摘要： An exemplary emission treatment system for reducing gases from the exhaust of an engine includes an exhaust passage for transporting the exhaust from the engine. A selective catalytic reduction (SCR) catalyst is disposed within the passage, and an oxidation catalyst is disposed in the passage upstream of the SCR catalyst. The oxidation catalyst has noble metal, with at least 90 wt. % of the metal comprising palladium (Pd).
摘要翻译： 用于减少来自发动机排气的气体的示例性排放处理系统包括用于输送来自发动机的排气的排气通道。 选择性催化还原（SCR）催化剂设置在通道内，氧化催化剂设置在SCR催化剂上游的通路中。 氧化催化剂具有贵金属，至少90wt。 ％的包含钯（Pd）的金属。
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9.发明申请EMISSION SCR NOX AFTERTREATMENT SYSTEM HAVING REDUCED SO3 GENERATION AND IMPROVED DURABILITY 有权具有减少SO3产生的排放SCR NOX后处理系统和改进的耐久性公开(公告)号：US20110162349A1
公开(公告)日：2011-07-07
申请号：US12912095
申请日：2010-10-26
申请人： Yisun Cheng , Clifford Norman Montreuil , Giovanni Cavataio , Douglas Allen Dobson , Christine Kay Lambert
发明人： Yisun Cheng , Clifford Norman Montreuil , Giovanni Cavataio , Douglas Allen Dobson , Christine Kay Lambert
CPC分类号： F01N3/2066 , F01N3/023 , F01N3/035 , F01N3/106 , F01N13/009 , F01N2570/10 , F01N2570/14 , Y02A50/2344 , Y02T10/24
摘要： The present invention relates to an emission treatment system for reducing gases from the exhaust of an engine. In at least one embodiment, the emission treatment system includes an exhaust passage for transporting the exhaust from the engine, a selective catalytic reduction (SCR) catalyst disposed within the passage, and an oxidation catalyst disposed in the passage upstream of the SCR catalyst, with the oxidation catalyst having metal, with at least 90 wt. % of the metal comprising palladium (Pd).
摘要翻译： 本发明涉及一种用于减少来自发动机排气的气体的排放处理系统。 在至少一个实施例中，排放处理系统包括用于输送来自发动机的排气的排气通道，设置在通道内的选择性催化还原（SCR）催化剂和设置在SCR催化剂上游的通道中的氧化催化剂， 该氧化催化剂具有至少90wt。 ％的包含钯（Pd）的金属。
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公开(公告)号：US20100077737A1
公开(公告)日：2010-04-01
申请号：US12242450
申请日：2008-09-30
CPC分类号： B01D53/9409 , B01D53/9477 , B01D53/9495 , B01D2251/2062 , B01D2251/2067 , B01D2255/20738 , B01D2255/20746 , B01D2255/50 , B01D2255/9022 , B01D2258/012 , B01D2258/014 , F01N3/035 , F01N3/2066 , F01N3/208 , F01N13/0093 , F01N13/0097 , F01N2370/04 , F01N2560/06 , F01N2610/02 , Y02A50/2325 , Y02T10/24
摘要： Systems and methods are provided for reducing NOx emissions from a vehicle including an engine having an exhaust. One example system comprises a NOx reducing system coupled to the engine exhaust, said NOx reducing system including a catalytic unit, said catalytic unit including a first zeolite catalyst with a first NOx conversion performance in a first temperature range and a second NOx conversion performance, lower than said first NOx conversion performance, in a second temperature range. The catalytic unit also comprises a second zeolite catalyst with a third NOx conversion performance, lower than said first NOx conversion performance, in the first temperature range and a fourth NOx conversion performance, higher than said second and third NOx conversion performances in the second temperature range, said first temperature range being higher than said second temperature range. The system further includes a controller configured to adjust an amount of reducing agent added to the NOx reducing system responsive to a temperature of the catalytic unit.
摘要翻译： 提供了用于减少包括具有排气的发动机的车辆的NOx排放的系统和方法。 一个示例性系统包括耦合到发动机排气的NOx还原系统，所述NOx还原系统包括催化单元，所述催化单元包括在第一温度范围内具有第一NOx转化性能和第二NOx转化性能的第一沸石催化剂， 比所述第一NOx转化性能高的第二温度范围。 催化单元还包括在第一温度范围内具有低于所述第一NOx转化性能的第三NOx转化性能的第二沸石催化剂和高于第二温度范围内的所述第二和第三NOx转化性能的第四NOx转化性能 所述第一温度范围高于所述第二温度范围。 该系统还包括控制器，该控制器被配置为响应催化单元的温度来调节添加到NOx还原系统中的还原剂的量。
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