Cam sensor elimination in compression-ignition engines
    4.
    发明申请
    Cam sensor elimination in compression-ignition engines 有权
    压缩点火发动机中的凸轮传感器消除

    公开(公告)号:US20050182554A1

    公开(公告)日:2005-08-18

    申请号:US11098975

    申请日:2005-04-05

    摘要: A method for controlling start of a compression ignition engine having a plurality of cylinders is provided without a cam sensor is provided. Each cylinder includes a respective piston reciprocally movable between respective top and bottom positions along a cylinder longitudinal axis. The method comprises providing a respective fuel delivery assembly for each cylinder. In one embodiment the method further comprises retrieving from memory a set of fuel delivery assembly firing rules and then processing the firing rules so that a firing signal is delivered to each fuel delivery assembly on every crank revolution during a cranking mode of operation. The fuel delivery assembly is arranged to be responsive to any firing signal received during an injection window leading to the top position along the longitudinal axis so as to supply fuel to each cylinder during that injection window. The fuel delivery assembly is further arranged to be insensitive to any firing signal received during an exhaust stroke leading to the top position along said longitudinal axis so that no fuel is delivered to each cylinder during that exhaust stroke.

    摘要翻译: 提供了一种用于控制具有多个气缸的压燃式发动机起动的方法,而不设置凸轮传感器。 每个气缸包括相应的活塞,该活塞可沿气缸纵向轴线在相应的顶部和底部位置之间往复运动。 该方法包括为每个气缸提供相应的燃料输送组件。 在一个实施例中,该方法还包括从存储器中取回一组燃料输送组件点火规则,然后处理点火规则,使得在起动操作模式期间,在每个曲柄转动时将点火信号传送到每个燃料输送组件。 燃料输送组件被布置成响应于在喷射窗口期间接收的任何点火信号,其导致沿着纵向轴线的顶部位置,以便在该喷射窗口期间向每个气缸供应燃料。 燃料输送组件还被布置成对于在排气冲程期间接收到的任何点火信号不敏感,导致沿着所述纵向轴线的顶部位置,使得在该排气冲程期间没有燃料被输送到每个气缸。

    CAM SENSOR ELIMINATION IN COMPRESSION-IGNITION ENGINES
    5.
    发明申请
    CAM SENSOR ELIMINATION IN COMPRESSION-IGNITION ENGINES 失效
    压缩点火机中的CAM传感器消除

    公开(公告)号:US20050010355A1

    公开(公告)日:2005-01-13

    申请号:US10615439

    申请日:2003-07-08

    摘要: A method for controlling start of a compression ignition engine having a plurality of cylinders without a cam sensor is provided. Each cylinder includes a respective piston reciprocally movable between respective top and bottom positions along a cylinder longitudinal axis. The method comprises providing a respective fuel delivery assembly for each cylinder. In one embodiment the method further comprises retrieving from memory a set of fuel delivery assembly firing rules and then processing the firing rules so that a firing signal is delivered to each fuel delivery assembly on every crank revolution during a cranking mode of operation. The fuel delivery assembly is arranged to be responsive to any firing signal received during an injection window leading to the top position along the longitudinal axis so as to supply fuel to each cylinder during that injection window. The fuel delivery assembly is further arranged to be insensitive to any firing signal received during an exhaust stroke leading to the top position along said longitudinal axis so that no fuel is delivered to each cylinder during that exhaust stroke.

    摘要翻译: 提供了一种用于控制具有多个没有凸轮传感器的气缸的压燃式发动机起动的方法。 每个气缸包括相应的活塞,该活塞可沿气缸纵向轴线在相应的顶部和底部位置之间往复运动。 该方法包括为每个气缸提供相应的燃料输送组件。 在一个实施例中,该方法还包括从存储器中取回一组燃料输送组件点火规则,然后处理点火规则,使得在起动操作模式期间,在每个曲柄转动时将点火信号传送到每个燃料输送组件。 燃料输送组件被布置成响应于在喷射窗口期间接收的任何点火信号,其导致沿着纵向轴线的顶部位置,以便在该喷射窗口期间向每个气缸供应燃料。 燃料输送组件还被布置成对于在排气冲程期间接收到的任何点火信号不敏感,导致沿着所述纵向轴线的顶部位置,使得在该排气冲程期间没有燃料被输送到每个气缸。

    Apparatus and method for avoidance of turbocharger surge on locomotive diesel engines
    7.
    发明申请
    Apparatus and method for avoidance of turbocharger surge on locomotive diesel engines 有权
    机车柴油机避免涡轮增压器浪涌的装置和方法

    公开(公告)号:US20070095063A1

    公开(公告)日:2007-05-03

    申请号:US11265709

    申请日:2005-11-02

    IPC分类号: F02D23/00 F02B33/44

    摘要: A method for preventing a surge event prior to a first surge event occurring in an engine system including a turbocharger and a diesel engine operable at a plurality of discrete speeds, the method comprising sensing an operating parameter of the engine system that determines a surge margin, determining whether a change in the sensed operating parameter may result in exceeding the surge margin, and controlling an operating input to the engine system to prevent the surge event from occurring.

    摘要翻译: 一种用于在包括可以以多个离散速度操作的涡轮增压器和柴油发动机的发动机系统中发生第一喘振事件之前防止浪涌事件的方法,所述方法包括感测确定浪涌裕度的发动机系统的操作参数, 确定所感测的操作参数中的变化是否可能导致超过浪涌余量,并且控制对发动机系统的操作输入以防止浪涌事件发生。