Engine controller
    1.
    发明申请
    Engine controller 有权
    发动机控制器

    公开(公告)号:US20070157604A1

    公开(公告)日:2007-07-12

    申请号:US10588737

    申请日:2004-02-09

    IPC分类号: F01N3/00 F02B17/00 F02D41/00

    摘要: A first, a second, and a third combustion region are defined by the air-fuel ratio of the mixture gas feeding combustion. Upon switching of combustion regions from the first combustion region to the third combustion region and from the third combustion region to the first combustion region, namely, when the second combustion region is passed, the mass of NOx emission downstream of an exhaust purifying device and the torque variation are estimated online. Based on the estimated value of the mass of NOx emission and the estimated value of the torque variation, the mass of intake air introduced into the combustion chamber is adjusted in a manner different from when normal, such as by changing the amount of lift of the intake valve, for example, so as to reduce the mass of NOx emission downstream of the exhaust purifying device and the torque variation below predetermined values upon passing of the second combustion region. Thus, the increase in exhaust emissions and the deterioration of operability during the switching of combustion regions can be suppressed.

    摘要翻译: 第一,第二和第三燃烧区域由混合气体供给燃烧的空燃比限定。 在将燃烧区域从第一燃烧区域切换到第三燃烧区域以及从第三燃烧区域到第一燃烧区域,即当第二燃烧区域通过时,排气净化装置的下游的NOx排放的质量和 在线估计扭矩变化。 基于NOx排放的质量的估计值和扭矩变化的估计值,引入到燃烧室中的进气的质量以不同于正常的方式进行调节,例如通过改变 例如进气阀,以便在第二燃烧区域通过时,将排气净化装置下游的NOx排放的质量减小到低于预定值的扭矩变化。 因此,可以抑制排气排放的增加和燃烧区域的切换期间的可操作性的劣化。

    Engine controller
    2.
    发明授权
    Engine controller 有权
    发动机控制器

    公开(公告)号:US08001767B2

    公开(公告)日:2011-08-23

    申请号:US10588737

    申请日:2004-02-09

    IPC分类号: F01N3/00

    摘要: A first, a second, and a third combustion region are defined by the air-fuel ratio of the mixture gas feeding combustion. Upon switching of combustion regions from the first combustion region to the third combustion region and from the third combustion region to the first combustion region, namely, when the second combustion region is passed, the mass of NOx emission downstream of an exhaust purifying device and the torque variation are estimated online. Based on the estimated value of the mass of NOx emission and the estimated value of the torque variation, the mass of intake air introduced into the combustion chamber is adjusted in a manner different from when normal, such as by changing the amount of lift of the intake valve, for example, so as to reduce the mass of NOx emission downstream of the exhaust purifying device and the torque variation below predetermined values upon passing of the second combustion region. Thus, the increase in exhaust emissions and the deterioration of operability during the switching of combustion regions can be suppressed.

    摘要翻译: 第一,第二和第三燃烧区域由混合气体供给燃烧的空燃比限定。 在将燃烧区域从第一燃烧区域切换到第三燃烧区域以及从第三燃烧区域到第一燃烧区域,即当第二燃烧区域通过时,排气净化装置的下游的NOx排放的质量和 在线估计扭矩变化。 基于NOx排放的质量的估计值和扭矩变化的估计值,引入到燃烧室中的进气的质量以不同于正常的方式进行调节,例如通过改变 例如进气阀,以便在第二燃烧区域通过时,将排气净化装置下游的NOx排放的质量减小到低于预定值的扭矩变化。 因此,可以抑制排气排放的增加和燃烧区域的切换期间的可操作性的劣化。

    Engine Controller and Controlling Method
    3.
    发明申请
    Engine Controller and Controlling Method 失效
    发动机控制器和控制方法

    公开(公告)号:US20080066718A1

    公开(公告)日:2008-03-20

    申请号:US11630685

    申请日:2004-08-13

    IPC分类号: F02D41/18 G01F1/00

    摘要: When a throttle is fully open, a maximum torque set value is corrected based on the ratio between the maximum air volume set value under fully-open throttle conditions and the actual maximum air volume detected by an intake air volume meter such as an air flow sensor. Based on the corrected maximum torque set value, both the relation between the degree of accelerator opening and target torque and the relation between the target torque (target air volume) and the degree target throttle opening are corrected. Thus, even when various types of disturbances relating to torque error are generated, such as variations in air density generated in association with variations in temperature or altitude, variations over time such as contaminations of throttle chambers, or difference between machines such as engine bodies or auxiliary machines, it is possible to generate actual torque with respect to a target torque with a high degree of accuracy, while maintaining a desired relation between the degree of accelerator opening and the throttle opening.

    摘要翻译: 当节气门完全打开时,基于在完全打开节流条件下的最大空气体积设定值与由空气流量传感器等进气体积计检测到的实际最大空气量之间的比率来校正最大扭矩设定值 。 基于校正的最大扭矩设定值,校正加速器开度和目标转矩之间的关系以及目标转矩(目标空气量)与目标节气门开度之间的关系。 因此,即使当产生与扭矩误差有关的各种类型的扰动时,例如与温度或高度的变化相关的空气密度的变化,随着时间的变化,例如节流室的污染,或诸如发动机主体或机器之间的差异 辅助机器,可以在保持加速器开度和节气门开度之间的期望关系的同时以高精度产生相对于目标转矩的实际转矩。

    Engine controller and controlling method
    4.
    发明授权
    Engine controller and controlling method 失效
    发动机控制器和控制方法

    公开(公告)号:US07571711B2

    公开(公告)日:2009-08-11

    申请号:US11630685

    申请日:2004-08-13

    IPC分类号: F02D41/18 G01F1/00

    摘要: When a throttle is fully open, a maximum torque set value is corrected based on the ratio between the maximum air volume set value under fully-open throttle conditions and the actual maximum air volume detected by an intake air volume meter such as an air flow sensor. Based on the corrected maximum torque set value, both the relation between the degree of accelerator opening and target torque and the relation between the target torque (target air volume) and the degree target throttle opening are corrected. Thus, even when various types of disturbances relating to torque error are generated, such as variations in air density generated in association with variations in temperature or altitude, variations over time such as contaminations of throttle chambers, or difference between machines such as engine bodies or auxiliary machines, it is possible to generate actual torque with respect to a target torque with a high degree of accuracy, while maintaining a desired relation between the degree of accelerator opening and the throttle opening.

    摘要翻译: 当节气门完全打开时,基于在完全打开节流条件下的最大空气体积设定值与由空气流量传感器等进气体积计检测到的实际最大空气量之间的比率来校正最大扭矩设定值 。 基于校正的最大扭矩设定值,校正加速器开度和目标转矩之间的关系以及目标转矩(目标空气量)与目标节气门开度之间的关系。 因此,即使当产生与扭矩误差有关的各种类型的扰动时,例如与温度或高度的变化相关的空气密度的变化,随着时间的变化,例如节流室的污染,或诸如发动机主体或机器之间的差异 辅助机器,可以在保持加速器开度和节气门开度之间的期望关系的同时以高精度产生相对于目标转矩的实际转矩。

    Engine control apparatus
    10.
    发明授权
    Engine control apparatus 有权
    发动机控制装置

    公开(公告)号:US07809494B2

    公开(公告)日:2010-10-05

    申请号:US12194128

    申请日:2008-08-19

    IPC分类号: G06F19/00 F02M51/00

    摘要: An engine control apparatus for controlling the amount of the air flowing into each cylinder in accordance with the amount of the fuel flowing into the cylinder at the time of starting the engine is disclosed. Further, at the engine starting time, the target amount of the air flowing into the cylinder is calculated and/or the amount of the air flowing into the cylinder is controlled, based on the amount of the fuel flowing into the cylinder. The amount of the fuel remaining in the neighborhood of the engine intake port or in the intake pipe is calculated by being separated into a balanced liquid film amount and unbalanced liquid film amount. Based on the unbalanced liquid film amount, the injection fuel amount is corrected so that the amount of the fuel flowing into the cylinder is controlled with high accuracy.

    摘要翻译: 公开了一种发动机控制装置,用于根据在起动发动机时流入气缸的燃料量来控制流入每个气缸的空气量。 此外,在发动机起动时刻,基于流入气缸的燃料量,计算流入气缸的空气的目标量和/或流入气缸的空气量。 通过将平衡液膜量和不平衡液膜量分离来计算残留在发动机进气口或进气管附近的燃料量。 基于不平衡液膜量,校正喷射燃料量,使得以高精度控制流入气缸的燃料量。