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公开(公告)号：US07913672B2
公开(公告)日：2011-03-29
申请号：US12147251
申请日：2008-06-26
CPC分类号： F01N5/02 , F02B23/104 , F02B2075/125 , F02D13/0207 , F02D13/0219 , F02D19/084 , F02D41/0025 , F02D41/062 , F02M25/0809 , F02M25/0854 , F02M25/089 , Y02T10/16 , Y02T10/36
摘要： Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold. Various alternative approaches are described for controlling operation and diagnosing degradation. Further, various interrelated configurations are described.
摘要翻译： 描述了系统，方法和计算机可读存储介质，其中废气在启动期间被引导到碳氢化合物保持装置，并被清除到发动机进气歧管。 描述了用于控制操作和诊断降解的各种替代方法。 此外，描述了各种相关的配置。
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公开(公告)号：US20110061371A1
公开(公告)日：2011-03-17
申请号：US12560038
申请日：2009-09-15
申请人： Giovanni Cavataio , Jason Aaron Lupescu , Shane Elwart , James Michael Kerns , Michael James Uhrich
发明人： Giovanni Cavataio , Jason Aaron Lupescu , Shane Elwart , James Michael Kerns , Michael James Uhrich
CPC分类号： F01N3/0807 , F01N3/035 , F01N3/0821 , F01N3/0835 , F01N3/0842 , F01N3/085 , F01N3/101 , F01N3/103 , F01N3/2803 , F01N9/00 , F01N13/0097 , F01N2240/36 , F01N2370/04 , F01N2410/02 , F01N2510/06 , F01N2510/063 , F01N2510/0684 , F01N2560/02 , F01N2570/12 , F01N2570/14 , F02M26/35 , Y02A50/2344 , Y02T10/121 , Y02T10/22 , Y02T10/24 , Y02T10/47
摘要： A hydrocarbon and NOx trap and related apparatus and methods for reducing cold-start NOx emissions from an engine are provided. In one embodiment a trap includes a first, topmost layer, exposed to an exhaust gas flow path of exhaust gases from an engine, the first layer comprising a zeolite, a second layer, substantially covered by the top most layer, the second layer comprising a NOx adsorbing material and a monolithic substrate, directly supporting the second layer and indirectly supporting the first layer, the substrate providing a substantially rigid structure of the trap.
摘要翻译： 提供了一种碳氢化合物和NOx捕集器以及用于减少发动机的冷启动NOx排放的相关装置和方法。 在一个实施方案中，捕集器包括暴露于来自发动机的废气的排气流动路径的第一最上层，所述第一层包括沸石，基本上被最顶层覆盖的第二层，第二层包括 NOx吸附材料和整体式基板，直接支撑第二层并间接地支撑第一层，基板提供陷阱的基本上刚性的结构。
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公开(公告)号：US20100223921A1
公开(公告)日：2010-09-09
申请号：US12396782
申请日：2009-03-03
申请人： Michael James Uhrich , Stephen B. Smith , James Michael Kerns , Shane Elwart , Jason Aaron Lupescu
发明人： Michael James Uhrich , Stephen B. Smith , James Michael Kerns , Shane Elwart , Jason Aaron Lupescu
IPC分类号： F01N3/021
CPC分类号： F01N3/0807 , F01N3/0835 , F01N3/0871 , F01N2240/36 , F01N2410/03 , F01N2410/12 , F01N2470/30 , Y02T10/20 , Y02T10/22
摘要： Methods and systems are provided for operating an engine having a hydrocarbon retaining system and an emission control device coupled to an engine exhaust, the engine exhaust comprising a venturi. One example method comprises, during a storing condition, routing exhaust gas through the venturi without generating a venturi action, and then to the hydrocarbon retaining system, while bypassing the emission control device, to store hydrocarbons in the hydrocarbon retaining system, and during a purging condition, routing exhaust gas through the venturi while generating venturi action, then to the emission control device, and then to the hydrocarbon retaining system, to purge stored hydrocarbons, wherein a flow of purged hydrocarbons is drawn back to the venturi via venturi action.
摘要翻译： 提供了用于操作具有碳氢化合物保持系统的发动机和耦合到发动机排气的排放控制装置的方法和系统，所述发动机排气包括文氏管。 一个示例性方法包括在储存条件期间，通过文丘里管排出废气而不产生文丘里管作用，然后在绕过排放控制装置的同时，将碳氢化合物储存在碳氢化合物保留系统中并在清洗期间 条件是，通过文丘里管排出废气，同时产生文氏管作用，然后排放到排放控制装置，然后到烃保留系统，以清除储存的碳氢化合物，其中通过文丘里作用将清除的烃流引导回文丘里管。
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公开(公告)号：US20100050605A1
公开(公告)日：2010-03-04
申请号：US12201564
申请日：2008-08-29
IPC分类号： F01N9/00
摘要： A method for controlling an internal combustion engine wherein, during an initial, relatively low temperature operating phase of the engine, the engine operates with a modulated air/fuel ratio established independently of the operating condition of the engine and wherein, during a subsequent higher temperature operating phase of the engine, the air/fuel ratio is modulated in as a function of the operating conditions of the engine.
摘要翻译： 一种用于控制内燃机的方法，其中，在所述发动机的初始相对较低的温度运行阶段期间，所述发动机以独立于所述发动机的运行状态而建立的调制空气/燃料比工作，并且其中，在随后的较高温度 发动机的工作阶段，空燃比根据发动机的运行条件进行调制。
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公开(公告)号：US20100024396A1
公开(公告)日：2010-02-04
申请号：US12182777
申请日：2008-07-30
申请人： Jason Aaron Lupescu , Shane Elwart , James Michael Kerns , Michael James Uhrich , Harendra S. Gandhi
发明人： Jason Aaron Lupescu , Shane Elwart , James Michael Kerns , Michael James Uhrich , Harendra S. Gandhi
CPC分类号： F01N3/0871 , F01N3/0807 , F01N3/0835 , F01N2370/04 , F01N2550/03 , Y02T10/20
摘要： Method and systems are provided for operating an engine having a hydrocarbon retaining system coupled to an engine exhaust and an engine intake. One example method comprises, during an engine cold start, routing exhaust gas to the hydrocarbon retaining system to store hydrocarbons in the hydrocarbon retaining system. The method further comprises, during a first purging condition where the exhaust gas is at a first temperature, purging the hydrocarbon retaining system with at least exhaust gas, and during a second purging condition where the exhaust gas is at a second temperature, said second temperature being higher than said first temperature, mixing the exhaust gas with an amount of fresh air to form a purging gas mixture, and purging the hydrocarbon retaining system with said purging gas mixture.
摘要翻译： 提供了用于操作具有耦合到发动机排气和发动机进气口的烃保持系统的发动机的方法和系统。 一个示例性方法包括在发动机冷启动期间将排气排放到烃保持系统以将碳氢化合物储存在烃保持系统中。 该方法还包括在排气处于第一温度的第一净化条件下，至少排出气体来清除烃保留系统，并且在废气处于第二温度的第二吹扫条件期间，所述第二温度 高于所述第一温度，将废气与一定量的新鲜空气混合以形成净化气体混合物，并用所述吹扫气体混合物吹扫所述烃保留系统。
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公开(公告)号：US20090107113A1
公开(公告)日：2009-04-30
申请号：US11926382
申请日：2007-10-29
IPC分类号： F01N3/00
CPC分类号： F01N11/007 , Y02A50/2324 , Y02T10/22 , Y02T10/47
摘要： A method is described for operating an engine and an emission control system downstream of the engine, the emission control system including a catalyst, an exhaust gas path coupling the engine to the catalyst, a first air-fuel ratio sensor positioned upstream of the catalyst and a second air-fuel ratio sensor positioned adjacent to or downstream of the catalyst. The method includes correlating variation in the catalyst performance across air-fuel ratios, as identified via the first and second sensors, to fuel composition of fuel combusted in the engine.
摘要翻译： 描述了一种用于在发动机下游操作发动机和排放控制系统的方法，排放控制系统包括催化剂，将发动机耦合到催化剂的排气路径，位于催化剂上游的第一空燃比传感器，以及 位于催化剂附近或下游的第二空燃比传感器。 该方法包括将通过第一和第二传感器识别的空气 - 燃料比的催化剂性能的变化与在发动机中燃烧的燃料的燃料组成相关联。
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77.发明申请公开(公告)号：US20080271440A1
公开(公告)日：2008-11-06
申请号：US11743239
申请日：2007-05-02
IPC分类号： B01D53/90
CPC分类号： B01D53/9431 , B01D53/9477 , B01D53/9495 , B01D53/96 , B01D2251/2067 , B01D2258/012 , F01N3/2026 , F01N3/2066 , F01N3/208 , F01N2560/026 , F01N2560/06 , F01N2560/07 , F01N2560/08 , F01N2560/14 , F01N2570/14 , F01N2610/02 , F01N2610/146 , F01N2900/1402 , F01N2900/1622 , F01N2900/1812 , Y02A50/2325 , Y02A50/2344 , Y02T10/24 , Y02T10/26
摘要： A method is provided for operating an aftertreatment device coupled downstream of an internal combustion engine, the aftertreatment device including a urea-based selective catalyst reduction (SCR) catalyst. The method comprises establishing a threshold urea deposit accumulation for regeneration of the SCR catalyst; determining that the threshold urea deposit accumulation in the SCR catalyst has been met; and in response to the determination, regenerating the SCR catalyst by maintaining the SCR catalyst at a predetermined regeneration temperature for a predetermined time interval.
摘要翻译： 提供了一种用于操作连接在内燃机下游的后处理装置的方法，所述后处理装置包括基于尿素的选择性催化剂还原（SCR）催化剂。 该方法包括建立用于SCR催化剂再生的阈值尿素沉积物积累; 确定SCR催化剂中的阈值尿素沉积物积聚已被满足; 并且响应于该测定，通过将SCR催化剂维持在预定的再生温度一段预定的时间间隔来再生SCR催化剂。
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公开(公告)号：US20080098972A1
公开(公告)日：2008-05-01
申请号：US11554395
申请日：2006-10-30
申请人： Shane Elwart
发明人： Shane Elwart
CPC分类号： B60K13/04 , B60K6/24 , B60K6/28 , B60L1/003 , B60L1/02 , B60L3/0023 , B60L7/12 , B60L11/14 , B60L11/1861 , B60L11/1864 , B60L15/2009 , B60L2240/12 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2240/441 , B60L2240/443 , B60L2240/445 , B60L2270/12 , B60W10/06 , B60W10/08 , B60W20/00 , B60W2510/068 , F01N5/025 , F02D41/0087 , F02D41/021 , F02D41/3076 , F02D2200/503 , F02N11/0814 , F02N11/0818 , F02N19/02 , H01L35/28 , Y02T10/16 , Y02T10/166 , Y02T10/48 , Y02T10/6286 , Y02T10/6295 , Y02T10/645 , Y02T10/70 , Y02T10/7005 , Y02T10/7044 , Y02T10/7061 , Y02T10/7077 , Y02T10/72 , Y02T10/7275 , Y02T90/16 , Y10S903/903
摘要： A propulsion system for a vehicle, comprising of an internal combustion engine, a thermoelectric device in thermal communication with the engine, and a control system for controlling the engine and the thermoelectric device during a first mode, supply electrical energy to the thermoelectric device to cause the thermoelectric device to produce at least some heat, and during a second mode, operate the engine to produce at least some heat, where the thermoelectric device is operated to convert a temperature gradient at the thermoelectric device to electrical energy.
摘要翻译： 一种用于车辆的推进系统，包括内燃机，与发动机热连通的热电装置，以及用于在第一模式期间控制发动机和热电装置的控制系统，向热电装置供应电能以引起 所述热电装置产生至少一些热量，并且在第二模式期间操作所述发动机以产生至少一些热量，其中所述热电装置被操作以将所述热电装置处的温度梯度转换为电能。
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79.发明授权公开(公告)号：US08448422B2
公开(公告)日：2013-05-28
申请号：US12147285
申请日：2008-06-26
IPC分类号： F01N3/00
CPC分类号： F01N5/02 , F01N3/035 , F01N3/2846 , F02B23/104 , F02B2075/125 , F02D13/0207 , F02D13/0219 , F02D19/084 , F02D19/087 , F02D41/0025 , F02D41/062 , F02M25/0809 , F02M25/0854 , F02M25/089 , Y02T10/16 , Y02T10/36
摘要： Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold. Various alternative approaches are described for controlling operation and diagnosing degradation. Further, various interrelated configurations are described.
摘要翻译： 描述了系统，方法和计算机可读存储介质，其中废气在启动期间被引导到碳氢化合物保持装置，并被清除到发动机进气歧管。 描述了用于控制操作和诊断降解的各种替代方法。 此外，描述了各种相关的配置。
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公开(公告)号：US08261531B2
公开(公告)日：2012-09-11
申请号：US12147292
申请日：2008-06-26
申请人： Harendra S. Gandhi , Michael James Uhrich , Shane Elwart , James Michael Kerns , Jason Aaron Lupescu
发明人： Harendra S. Gandhi , Michael James Uhrich , Shane Elwart , James Michael Kerns , Jason Aaron Lupescu
CPC分类号： F02D41/0025 , F01N5/02 , F02B23/104 , F02B2075/125 , F02D13/0207 , F02D13/0219 , F02D19/084 , F02D19/088 , F02D41/062 , F02M25/0809 , F02M25/0854 , F02M25/089 , Y02T10/123 , Y02T10/16 , Y02T10/36
摘要： Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold. Various alternative approaches are described for controlling operation and diagnosing degradation. Further, various interrelated configurations are described.
摘要翻译： 描述了系统，方法和计算机可读存储介质，其中废气在启动期间被引导到碳氢化合物保持装置，并被清除到发动机进气歧管。 描述了用于控制操作和诊断降解的各种替代方法。 此外，描述了各种相关的配置。
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