Emissions control diagnostic method and system
    1.
    发明授权
    Emissions control diagnostic method and system 有权
    排放控制诊断方法和系统

    公开(公告)号:US08813479B2

    公开(公告)日:2014-08-26

    申请号:US13103505

    申请日:2011-05-09

    Abstract: Various methods for and embodiments of an aftertreatment system which includes a catalyst disposed upstream of a particulate filter are provided. In one example, the method includes, conducting soot regeneration of the particulate filter under a selected operating condition, and determining whether a soot regeneration frequency of the particulate filter is greater than a threshold frequency. The method further includes initiating a sulfur regeneration of the aftertreatment system based on the soot regeneration frequency of the particulate filter being greater than the threshold frequency, determining whether the soot regeneration frequency of the particulate filter is less than the threshold frequency after the sulfur regeneration, and conducting non-regeneration operation of the aftertreatment system based on the soot regeneration frequency of the particulate filter being less than the threshold frequency after the sulfur regeneration of the aftertreatment system.

    Abstract translation: 提供了包括设置在微粒过滤器上游的催化剂的后处理系统的各种方法和实施方案。 在一个实例中,该方法包括:在选择的操作条件下进行微粒过滤器的烟灰再生,以及确定微粒过滤器的烟灰再生频率是否大于阈值频率。 该方法还包括基于颗粒过滤器的烟灰再生频率大于阈值频率来启动后处理系统的硫再生,确定微粒过滤器的烟灰再生频率是否小于硫再生后的阈值频率, 并且在后处理系统的硫再生之后,基于微粒过滤器的烟灰再生频率小于阈值频率,进行后处理系统的非再生操作。

    Cooler bypass valve system and method
    5.
    发明授权
    Cooler bypass valve system and method 有权
    冷却器旁通阀系统及方法

    公开(公告)号:US07163005B2

    公开(公告)日:2007-01-16

    申请号:US11235166

    申请日:2005-09-27

    Abstract: In preferred embodiments, to, e.g., eliminate condensation build-up in the intake manifold and power cylinders, a charge-air cooler (CAC) and/or EGR cooler “bypass” system is provided that can, e.g., control the intake manifold temperature (IMT) above the dew-point temperature of the boosted air. Preferably, a two-port, single valve-body type valve is provided that proportionally controls the amount of charge-air that is “bypassed” (e.g., not cooled), while simultaneously diverting the charge-air cooler return, preferably, inversely proportionally.

    Abstract translation: 在优选实施例中,为了例如消除进气歧管和动力缸中的冷凝积聚,提供了一种可以例如控制进气歧管温度的增压 - 空气冷却器(CAC)和/或EGR冷却器“旁通”系统 (IMT)高于增压空气的露点温度。 优选地,提供了两端口单阀阀型阀,其成比例地控制“旁路”(例如,未冷却)的增压空气的量,同时将加压 - 空气冷却器返回,优选地成反比地 。

    Cooler bypass valve system and method
    6.
    发明授权
    Cooler bypass valve system and method 有权
    冷却器旁通阀系统及方法

    公开(公告)号:US07007680B2

    公开(公告)日:2006-03-07

    申请号:US10635500

    申请日:2003-08-07

    Abstract: In preferred embodiments, to, e.g., eliminate condensation build-up in the intake manifold and power cylinders, a charge-air cooler (CAC) and/or EGR cooler “bypass” system is provided that can, e.g., control the intake manifold temperature (IMT) above the dew-point temperature of the boosted air. Preferably, a two-port, single valve-body type valve is provided that proportionally controls the amount of charge-air that is “bypassed” (e.g., not cooled), while simultaneously diverting the charge-air cooler return, preferably, inversely proportionally.

    Abstract translation: 在优选实施例中,为了例如消除进气歧管和动力缸中的冷凝积聚,提供了一种可以例如控制进气歧管温度的增压 - 空气冷却器(CAC)和/或EGR冷却器“旁通”系统 (IMT)高于增压空气的露点温度。 优选地,提供了两端口单阀阀型阀,其成比例地控制“旁路”(例如,未冷却)的增压空气的量,同时将加压 - 空气冷却器返回,优选地成反比地 。

    Exhaust gas recirculation apparatus and method
    7.
    发明授权
    Exhaust gas recirculation apparatus and method 有权
    废气再循环装置及方法

    公开(公告)号:US06378515B1

    公开(公告)日:2002-04-30

    申请号:US09590379

    申请日:2000-06-09

    Abstract: An exhaust gas recirculation method and apparatus adapted for use on an internal combustion engine. The apparatus includes an engine operational model, with the engine operational model capable of outputting at least one engine operational characteristic, a feedback controller portion, the feedback controller portion receiving an emissions level feedback and generating a feedback control signal based on a difference between a predetermined EGR level and the emissions level feedback, a feedforward controller portion receiving a plurality of engine sensor inputs and using the plurality of engine sensor inputs in conjunction with the engine operational model to generate a feedforward control signal, the feedforward control signal capable of changing an EGR exhaust gas flow before the plurality of engine sensor inputs show a deviation from a predetermined emissions level, and a controller receiving the feedback control signal, the feedforward control signal, and accessing the engine operational model, the controller regulating an EGR exhaust gas flow in response to the feedback control signal, the feedforward control signal, and the engine operational model.

    Abstract translation: 适用于内燃机的排气再循环方法和装置。 该装置包括发动机操作模型,发动机操作模型能够输出至少一个发动机操作特性,反馈控制器部分,反馈控制器部分接收排放水平反馈,并基于预定的 EGR水平和排放水平反馈,前馈控制器部分接收多个发动机传感器输入并且结合发动机操作模型使用多个发动机传感器输入以产生前馈控制信号,所述前馈控制信号能够改变EGR 在多个发动机传感器输入之前的排气流量显示出与预定排放水平的偏差,以及接收反馈控制信号,前馈控制信号和进入发动机操作模型的控制器,控制器响应于EGR排气流量 到反馈控制 点火,前馈控制信号和发动机运行模式。

    Methods and systems for controlling transient engine response
    8.
    发明授权
    Methods and systems for controlling transient engine response 有权
    用于控制瞬态发动机响应的方法和系统

    公开(公告)号:US08567191B2

    公开(公告)日:2013-10-29

    申请号:US13072057

    申请日:2011-03-25

    CPC classification number: F02B37/10 F02B21/00 F02B29/00 Y02T10/144

    Abstract: Various methods and systems for operating an internal combustion engine are provided. In one embodiment, an example method for operating an internal combustion engine includes, under a first condition, charging a compressed air storage vessel via a compressor. The method further includes, under a second condition, directly injecting compressed air from the storage vessel to a cylinder of the engine to enhance fuel combustion.

    Abstract translation: 提供了用于操作内燃机的各种方法和系统。 在一个实施例中,用于操作内燃机的示例性方法包括在第一条件下,经由压缩机对压缩空气存储容器进行充气。 该方法还包括在第二条件下,将压缩空气从储存容器直接喷射到发动机的气缸以增强燃料燃烧。

    METHODS AND SYSTEMS FOR CONTROLLING TRANSIENT ENGINE RESPONSE
    9.
    发明申请
    METHODS AND SYSTEMS FOR CONTROLLING TRANSIENT ENGINE RESPONSE 有权
    控制瞬态发动机响应的方法和系统

    公开(公告)号:US20120240909A1

    公开(公告)日:2012-09-27

    申请号:US13072057

    申请日:2011-03-25

    CPC classification number: F02B37/10 F02B21/00 F02B29/00 Y02T10/144

    Abstract: Various methods and systems for operating an internal combustion engine are provided. In one embodiment, an example method for operating an internal combustion engine includes, under a first condition, charging a compressed air storage vessel via a compressor. The method further includes, under a second condition, directly injecting compressed air from the storage vessel to a cylinder of the engine to enhance fuel combustion.

    Abstract translation: 提供了用于操作内燃机的各种方法和系统。 在一个实施例中,用于操作内燃机的示例性方法包括在第一条件下,经由压缩机对压缩空气存储容器进行充气。 该方法还包括在第二条件下,将压缩空气从储存容器直接喷射到发动机的气缸以增强燃料燃烧。

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