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1.发明授权Integrated method for controlling diesel engine emissions in CRT-LNT system 有权在CRT-LNT系统中控制柴油发动机排放的综合方法公开(公告)号：US06718757B2
公开(公告)日：2004-04-13
申请号：US10347722
申请日：2003-01-21
IPC分类号： F01N300
CPC分类号： F01N3/0878 , B01D53/9431 , F01N3/0231 , F01N3/0814 , F01N3/0821 , F01N3/0835 , F01N3/0842 , F01N3/0857 , F01N3/2066 , F01N13/009 , F01N13/0097 , F01N2570/14 , F01N2610/03 , Y02A50/2344 , Y02T10/24
摘要： A method for controlling diesel engine emissions is disclosed. The diesel engine's exhaust system has a NOx oxidation catalyst, a diesel particulate filter (DPF), and a lean NOx trap (LNT). The DPF is monitored to determine the need for regeneration. The LNT is monitored to determine the need for regeneration or desulfurization. A fuel injector is used to inject fuel upstream of the LNT under certain conditions, and a bypass may be used to bypass exhaust around the oxidation catalyst to provide richer or hotter exhaust to the LNT.
摘要翻译： 公开了一种控制柴油发动机排放的方法。 柴油发动机的排气系统具有NOx氧化催化剂，柴油微粒过滤器（DPF）和稀NOx捕集器（LNT）。 监测DPF以确定是否需要再生。 监测LNT以确定对再生或脱硫的需要。 燃料喷射器用于在某些条件下向LNT上游喷射燃料，并且可以使用旁路来绕过氧化催化剂周围的废气以向LNT提供更加丰富或更热的排气。
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公开(公告)号：US06615580B1
公开(公告)日：2003-09-09
申请号：US09961442
申请日：2001-09-24
IPC分类号： F01N300
CPC分类号： F01N3/0878 , B01D53/9431 , F01N3/0231 , F01N3/0814 , F01N3/0821 , F01N3/0835 , F01N3/0842 , F01N3/0857 , F01N3/2066 , F01N13/009 , F01N13/0097 , F01N2570/14 , F01N2610/03 , Y02A50/2344 , Y02T10/24
摘要： A method for controlling diesel engine emissions is disclosed. The diesel engine's exhaust system has a diesel particulate filter (DPF) and a lean NOx trap (LNT). The DPF is a filter and is monitored to determine the need for regeneration. The LNT is monitored to determine the need for regeneration or desulfurization. A fuel injector is used to inject fuel upstream of the LNT under certain conditions, and a bypass may be used to bypass exhaust around the DPF to provide richer or hotter exhaust to the LNT. The sensor outputs and controls for providing the appropriate heat or fuel mix for regeneration and desulfurization may be controlled with enhancements to existing engine control circuitry.
摘要翻译： 公开了一种控制柴油发动机排放的方法。 柴油发动机的排气系统具有柴油微粒过滤器（DPF）和贫NOx捕集器（LNT）。 DPF是一个过滤器，被监控以确定需要再生。 监测LNT以确定对再生或脱硫的需要。 燃料喷射器用于在某些条件下向LNT上游喷射燃料，并且可以使用旁路来绕过DPF周围的排气，以向LNT提供更丰富或更热的排气。 可以通过对现有发动机控制电路的增强来控制用于提供用于再生和脱硫的适当的热或燃料混合物的传感器输出和控制。
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公开(公告)号：US07195006B2
公开(公告)日：2007-03-27
申请号：US11288891
申请日：2005-11-29
CPC分类号： F02M26/38 , F01N3/28 , F02B3/06 , F02B37/00 , F02D9/04 , F02M26/05 , F02M26/06 , F02M26/10 , F02M26/24 , F02M26/25 , F02M26/35
摘要： A method and system for controlling the temperature of recirculated exhaust gas in an exhaust gas recirculation (EGR) system, such as those used in connection with diesel engines. An EGR loop (which may be either a high pressure loop or a low pressure loop) has a dual-leg segment with an EGR cooler on one leg and an EGR heater on the other leg. By means of a valve, the EGR gas may be diverted to either one leg or the other, thereby providing either cooled or heated EGR gas to the engine.
摘要翻译： 一种用于控制废气再循环（EGR）系统中的再循环废气的温度的方法和系统，例如与柴油发动机相关的那些系统。 EGR回路（其可以是高压回路或低压回路）具有在一个支路上具有EGR冷却器的双腿段和另一个腿上的EGR加热器。 通过阀门，EGR气体可以转向任一条腿或另一条腿，从而向发动机提供冷却或加热的EGR气体。
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公开(公告)号：US6138649A
公开(公告)日：2000-10-31
申请号：US156105
申请日：1998-09-17
CPC分类号： F01N3/031 , F02M26/06 , F02M26/07 , F02M26/15 , F02M26/20 , F02M26/30 , F02M26/34 , F02M26/37 , F02M26/38 , F02M26/41 , F02M26/42 , F02B37/00 , F02M26/05 , F02M26/10 , F02M26/19 , F02M26/28 , F02M26/32 , Y02T10/20
摘要： A system is provided for rapidly changing the flow of recirculated exhaust gas to each cylinder of an internal combustion engine operating on diesel fuel or other fuels. The system preferably includes an exhaust gas recirculation line having an exhaust gas recirculation pump along with a reservoir and cooler for storing a desired volume of recirculated exhaust gas. Recirculated exhaust gas is preferably supplied from the reservoir to each cylinder of the associated engine through respective recirculated exhaust gas conduits. A metering valve is preferably disposed within each recirculated exhaust gas conduit immediately adjacent to each cylinder. The metering valves provide uniform distribution of recirculated exhaust gas to the respective cylinders and allow the system to rapidly change the flow of recirculated exhaust gas to each cylinder. The system provides recirculated exhaust gas at a point close to the combustion chamber where it is needed for effective reduction of undesirable NO.sub.x emissions.
摘要翻译： 提供了一种系统，用于将再循环废气的流量快速地改变为在柴油燃料或其它燃料上运行的内燃机的每个气缸。 该系统优选地包括具有废气再循环泵的废气再循环管线以及用于储存期望体积的再循环废气的储存器和冷却器。 循环废气优选通过相应的再循环废气管道从储存器供应到相关发动机的每个气缸。 计量阀优选地设置在与每个气缸紧邻的每个再循环排气管道内。 计量阀提供均匀分配的再循环废气到相应的气缸，并允许系统快速地将再循环废气的流量改变到每个气缸。 该系统在靠近燃烧室的点处提供再循环废气，其中需要有效的减少不期望的NOx排放。
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公开(公告)号：US20080178574A1
公开(公告)日：2008-07-31
申请号：US11627122
申请日：2007-01-25
IPC分类号： F01N3/00
CPC分类号： G01M15/102
摘要： Various methods and systems for augmenting the amount of NOX in the exhaust of an exhaust flow simulation system. These methods and system can be “combustion” or “post combustion”. A combustion embodiment injects a nitrogen-containing compound (doping agent) into the burner, so that it mixed and combusted with the fuel.
摘要翻译： 用于增加废气流模拟系统的排气中的NO X的量的各种方法和系统。 这些方法和系统可以是“燃烧”或“后燃烧”。 燃烧实施例将含氮化合物（掺杂剂）注入燃烧器中，使其与燃料混合并燃烧。
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公开(公告)号：US07550126B2
公开(公告)日：2009-06-23
申请号：US11627122
申请日：2007-01-25
CPC分类号： G01M15/102
摘要： Various methods and systems for augmenting the amount of NOX in the exhaust of an exhaust flow simulation system. These methods and system can be “combustion” or “post combustion”. A combustion embodiment injects a nitrogen-containing compound (doping agent) into the burner, so that it mixed and combusted with the fuel.
摘要翻译： 用于增加排气流量模拟系统排气中的NOX量的各种方法和系统。 这些方法和系统可以是“燃烧”或“后燃烧”。 燃烧实施例将含氮化合物（掺杂剂）注入燃烧器中，使其与燃料混合并燃烧。
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