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公开(公告)号：US07287371B2
公开(公告)日：2007-10-30
申请号：US10392537
申请日：2003-03-21
IPC分类号： F01N3/00
CPC分类号： F01N3/0814 , F01N13/017 , F01N2610/03 , F02D41/0275
摘要： A method is described for operating an engine coupled to an upstream and downstream emission control device that stores and reacts oxidants such as NOx. The method transitions from lean to stoichiometric or rich operation under various conditions. The amount of fuel used during the stoichiometric or rich operation is minimized by using an upstream three-way catalyst primarily used for NOx storage, and a downstream three-way catalyst primarily used for oxygen storage.
摘要翻译： 描述了一种操作耦合到上游和下游排放控制装置的发动机的方法，其存储和反应诸如NOx的氧化剂。 该方法在各种条件下从精益转化为化学计量或浓缩操作。 通过使用主要用于NOx储存的上游三元催化剂和主要用于储氧的下游三元催化剂，在化学计量或富运行期间使用的燃料量最小化。
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公开(公告)号：US07603847B2
公开(公告)日：2009-10-20
申请号：US10392538
申请日：2003-03-21
IPC分类号： F01N3/00
CPC分类号： F01N3/0885 , F01N3/00 , F01N13/009 , F01N13/0093 , F02D41/0275 , F02D41/1454 , F02D41/1475 , F02D41/187 , F02D2200/0404 , F02D2200/0406 , F02D2200/0802 , F02P5/045 , Y02T10/20
摘要： A system for an engine is shown that includes an upstream emission control device and a downstream emission control device. The upstream device has a washcoat having a predetermined amount of precious metal disassociated with NOx storage material. In one example, the upstream emission control device located in a close-coupled location receiving untreated exhaust gasses from the engine. A controller is utilized for adjusting parameters of the engine. For example, the controller operates the engine lean, with periodic rich operation to purge stored NOx during at least a portion of low engine airflow and low exhaust temperature conditions. The controller also operates the engine near stoichiometry during at least a portion of other conditions.
摘要翻译： 示出了一种用于发动机的系统，其包括上游排放控制装置和下游排放控制装置。 上游装置具有与NOx储存材料分离的预定量的贵金属的修补基面涂层。 在一个示例中，上游排放控制装置位于紧密耦合的位置，从发动机接收未经处理的废气。 控制器用于调整发动机的参数。 例如，在低发动机气流和低排气温度条件的至少一部分期间，控制器操作发动机倾斜，具有周期性的丰富操作以清除存储的NOx。 在其他条件的至少一部分中，控制器还将发动机操作为接近化学计量。
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公开(公告)号：US07043901B2
公开(公告)日：2006-05-16
申请号：US10393410
申请日：2003-03-20
IPC分类号： F01N3/00
CPC分类号： F02D41/1475 , F01N3/0814 , F01N3/0842 , F01N13/009 , F01N13/0093 , F01N13/011 , F02D41/025 , F02D41/0255 , F02D41/0275 , F02D41/1441 , F02D41/1443 , F02D41/1454 , F02D41/187 , F02D2200/0404 , F02D2200/0802 , Y02T10/26
摘要： A system for an engine has an upstream emission control device with a washcoat having a predetermined amount of precious metal disassociated with NOx storage material, where the upstream emission control device in a close coupled location to an exhaust manifold of the engine. The system also includes a downstream emission control device coupled to the upstream emission control device. Further, a controller is used for operating the engine lean with retarded ignition timing to generate heat and raise temperatures of said upstream and downstream emission control devices. The controller also determines whether temperature of said upstream device has reached a predetermined value, and in response to said determination, operates the engine rich at least to reduce NOx stored in said upstream emission control device during said lean operation.
摘要翻译： 用于发动机的系统具有上游排放控制装置，其具有与NOx存储材料分离的具有预定量的贵金属的修补基面涂层，其中上游排放控制装置与发动机的排气歧管紧密联接。 该系统还包括耦合到上游发射控制装置的下游发射控制装置。 此外，控制器用于以延迟的点火正时来操作发动机，以产生热量并提高所述上游和下游排放控制装置的温度。 所述控制器还确定所述上游设备的温度是否已经达到预定值，并且响应于所述确定，在所述稀薄操作期间至少使所述发动机的浓度降低以减少存储在所述上游排放控制装置中的NOx。
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公开(公告)号：US10914229B2
公开(公告)日：2021-02-09
申请号：US13617320
申请日：2012-09-14
摘要： Embodiments for controlling condensate in a charge air cooler are provided. In one example, a charge air cooler comprises an inlet to admit charge air, a plurality of heat exchange passages to remove heat from the charge air, an outlet configured to discharge the charge air from the heat exchange passages to an intake passage upstream of an intake manifold of an engine, and a dispersion element extending at least partially across the outlet.
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公开(公告)号：US20140076289A1
公开(公告)日：2014-03-20
申请号：US13617320
申请日：2012-09-14
IPC分类号： F02M31/20
CPC分类号： F02B29/0468 , F02B29/0425 , F02M26/05 , F02M29/04 , F02M35/1038 , F02M35/10393 , Y02T10/146
摘要： Embodiments for controlling condensate in a charge air cooler are provided. In one example, a charge air cooler comprises an inlet to admit charge air, a plurality of heat exchange passages to remove heat from the charge air, an outlet configured to discharge the charge air from the heat exchange passages to an intake passage upstream of an intake manifold of an engine, and a dispersion element extending at least partially across the outlet.
摘要翻译： 提供了用于控制增压空气冷却器中的冷凝物的实施例。 在一个示例中，增压空气冷却器包括入口以允许增压空气，多个热交换通道以从增压空气中除去热量;出口，其构造成将增压空气从热交换通道排出到进气通道的上游 发动机的进气歧管和至少部分地延伸穿过出口延伸的分散元件。
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公开(公告)号：US08635977B2
公开(公告)日：2014-01-28
申请号：US13563577
申请日：2012-07-31
IPC分类号： F02B43/08
CPC分类号： F02D29/02 , F01N2240/30 , F02B2075/125 , F02D19/0644 , F02D19/0665 , F02D19/0671 , F02D19/0689 , F02D19/0692 , F02D19/084 , F02D19/087 , F02D41/0025 , F02D41/027 , F02D41/042 , F02M31/18 , Y02T10/123 , Y02T10/126 , Y02T10/36
摘要： Systems and methods are provided for selectively storing gaseous reformate output by a fuel reformer for fueling an engine. Carbon monoxide produced by a fuel reformer may be continuously combusted in the engine and/or engine exhaust rather than being stored. In one example, reformate components produced by a fuel reformer, e.g., H2 and CH4, may be stored and buffered for use by an engine.
摘要翻译： 提供了用于选择性地储存由燃料重整器输出的用于燃料发动机的气体重整产物的系统和方法。 由燃料重整器生产的一氧化碳可以在发动机和/或发动机排气中连续燃烧，而不是被储存。 在一个实例中，由燃料重整器（例如H 2和CH 4）产生的重组产物可被储存和缓冲供发动机使用。
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公开(公告)号：US08516799B2
公开(公告)日：2013-08-27
申请号：US12645809
申请日：2009-12-23
申请人： Jeffrey Scott Hepburn , William Charles Ruona , Brien Lloyd Fulton , Gopichandra Surnilla , Eric Matthew Kurtz
发明人： Jeffrey Scott Hepburn , William Charles Ruona , Brien Lloyd Fulton , Gopichandra Surnilla , Eric Matthew Kurtz
IPC分类号： F01N3/00
CPC分类号： F01N3/10 , F01N3/021 , F01N3/2066 , F01N9/00 , F01N2610/02 , F02D41/0007 , F02D41/0055 , F02D41/0065 , F02D41/029 , F02D41/405 , F02M26/08 , F02M26/15 , F02M26/24 , Y02A50/2325 , Y02T10/144 , Y02T10/24 , Y02T10/47
摘要： Methods and systems are provided for controlling an engine in a vehicle, the engine having a turbocharger, and a particulate filter upstream of a turbocharger turbine. In one example, the method comprises, under selected boosted operating conditions, injecting a reductant upstream of the filter during an exhaust stroke to generate an exothermic reaction at the filter.
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公开(公告)号：US20130199497A1
公开(公告)日：2013-08-08
申请号：US13368230
申请日：2012-02-07
IPC分类号： F02B77/00
CPC分类号： F01N3/32 , F01L1/0532 , F01L2001/0537 , F01N3/22 , F01N3/34 , Y02T10/20
摘要： Embodiments for injecting air into exhaust ports of an engine are provided. In one example, a multi-cylinder engine method comprises combusting a rich air-fuel mixture, injecting air into a first cylinder's exhaust port and not into a second cylinder's exhaust port during the first cylinder's exhaust stroke, and injecting air into the second cylinder's exhaust port and not into the first cylinder's exhaust port during the second cylinder's exhaust stroke. In this way, injection into each exhaust port may be timed with exhaust release into each exhaust port.
摘要翻译： 提供了将空气注入发动机的排气口的实施例。 在一个示例中，多气缸发动机方法包括在第一气缸的排气冲程期间燃烧富空燃混合物，将空气喷入第一气缸的排气口而不进入第二气缸的排气口，并将空气喷入第二气缸排气 在第二缸排气冲程期间不进入第一气缸的排气口。 以这种方式，每个排气口的喷射可以被排放到每个排气口中。
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公开(公告)号：US20130139776A1
公开(公告)日：2013-06-06
申请号：US13758883
申请日：2013-02-04
申请人： Ross Dykstra Pursifull , Gopichandra Surnilla , Donald Lewis , Joseph Norman Ulrey , John D. Russell
发明人： Ross Dykstra Pursifull , Gopichandra Surnilla , Donald Lewis , Joseph Norman Ulrey , John D. Russell
IPC分类号： F02N11/00
CPC分类号： F02N15/003 , F02D31/001 , F02D41/042 , F02N11/00 , F02N11/0844 , F02N11/0855 , F02N2200/022 , Y02T10/48
摘要： Method and systems are provided for controlling a vehicle system including an engine that is selectively deactivated during engine idle-stop conditions. One example method comprises, adjusting a brake torque applied to a deactivated rotating engine after an engine restart request, the brake torque applied to slow the engine to at least a predetermined threshold speed without stopping the engine, and engaging a starter to the still rotating engine to increase the engine speed and restart the engine.
摘要翻译： 提供了用于控制车辆系统的方法和系统，所述车辆系统包括在发动机怠速停止条件期间选择性地停用的发动机。 一种示例性方法包括：在发动机重起请求之后调整施加到停用旋转发动机的制动转矩，将停止发动机的发动机减速至至少预定阈值的制动转矩，并将起动器接合到静止旋转发动机 提高发动机转速并重新启动发动机。
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公开(公告)号：US08439002B2
公开(公告)日：2013-05-14
申请号：US12474063
申请日：2009-05-28
IPC分类号： F02B69/06
CPC分类号： F02B69/06
摘要： Methods and systems for controlling an engine are provided. In some examples, the method includes transitioning from operating a cylinder with a first number of strokes per combustion cycle to a second, lesser, number of strokes per combustion cycle in response to boost pressure rising above a threshold boost value. For example, the cylinder may transition from four-stroke combustion cycles to two-stroke combustion cycles, and the method may further include generating the increased boost via operation of an electric machine coupled to a turbocharger of the engine. In this way, transitions to the second, lesser, number of strokes may be enhances as sufficient boost can already be present.
摘要翻译： 提供了用于控制发动机的方法和系统。 在一些示例中，该方法包括：响应于升高压力升高到高于阈值升压值，将每个燃烧循环中具有第一数量的冲程的气缸从每个燃烧循环转换到第二较少数量的冲程。 例如，气缸可以从四冲程燃烧循环转换到二冲程燃烧循环，并且该方法还可以包括通过耦合到发动机的涡轮增压器的电机的操作来产生增加的升压。 以这种方式，可以增强到第二较少数量的笔划的转变，因为可以已经存在足够的提升。
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