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    System and method for performing evaporative leak diagnostics in a vehicle
    1.
    发明授权
    System and method for performing evaporative leak diagnostics in a vehicle 有权
    用于在车辆中执行蒸发泄漏诊断的系统和方法

    公开(公告)号：US08560167B2

    公开(公告)日：2013-10-15

    申请号：US13367635

    申请日：2012-02-07

    申请人： Robert Roy Jentz ,  David Allen Clemens ,  Ann Irene DeZelia ,  Aed Mohammad Dudar ,  Michael Igor Kluzner

    发明人： Robert Roy Jentz ,  David Allen Clemens ,  Ann Irene DeZelia ,  Aed Mohammad Dudar ,  Michael Igor Kluzner

    IPC分类号： G01M17/00 ,  B62D5/06 ,  B60R21/26

    CPC分类号： G01M15/09 ,  G01M3/025 ,  G01M3/3263 ,  G01M3/34

    摘要： A vehicle is provided with a fuel system, a controller, and a diagnostic module with an orifice, a pressure sensor, and a pump, the module connecting the fuel system to atmosphere. The controller measures a reference pressure across the orifice to provide a threshold, isolates the fuel system, and provides a code in response to comparing a series or measured pressures to the threshold. A method for performing an evaporative leak diagnostic is provided. A valve in a diagnostic module is commanded to a vent position. A pump is operated to measure a reference pressure across an orifice to provide a threshold. A valve is commanded to a test position. The pump is operated to place the fuel system in a low pressure state, and a series of pressures in the fuel system is measured. A diagnostic code is provided after comparing the series of pressures to the threshold.

    摘要翻译： 车辆设置有燃料系统，控制器和具有孔口，压力传感器和泵的诊断模块，该模块将燃料系统连接到大气。 控制器测量孔口上的参考压力以提供阈值，隔离燃料系统，并响应于将一系列或测得的压力与阈值进行比较而提供代码。 提供了一种执行蒸发泄漏诊断的方法。 诊断模块中的阀门被命令到排气口。 操作泵以测量跨孔的参考压力以提供阈值。 一个阀被命令到一个测试位置。 操作泵将燃料系统置于低压状态，并测量燃料系统中的一系列压力。 在将一系列压力与阈值进行比较之后提供诊断代码。

    SYSTEM AND METHOD FOR PERFORMING EVAPORATIVE LEAK DIAGNOSTICS IN A VEHICLE
    2.
    发明申请
    SYSTEM AND METHOD FOR PERFORMING EVAPORATIVE LEAK DIAGNOSTICS IN A VEHICLE 有权
    用于在车辆中执行蒸发泄漏诊断的系统和方法

    公开(公告)号：US20120215399A1

    公开(公告)日：2012-08-23

    申请号：US13367635

    申请日：2012-02-07

    申请人： Robert Roy Jentz ,  David Allen Clemens ,  Ann Irene DeZelia ,  Aed Mohammad Dudar ,  Michael Igor Kluzner

    发明人： Robert Roy Jentz ,  David Allen Clemens ,  Ann Irene DeZelia ,  Aed Mohammad Dudar ,  Michael Igor Kluzner

    IPC分类号： G01M17/00

    CPC分类号： G01M15/09 ,  G01M3/025 ,  G01M3/3263 ,  G01M3/34

    摘要： A vehicle is provided with a fuel system, a controller, and a diagnostic module with an orifice, a pressure sensor, and a pump, the module connecting the fuel system to atmosphere. The controller measures a reference pressure across the orifice to provide a threshold, isolates the fuel system, and provides a code in response to comparing a series or measured pressures to the threshold. A method for performing an evaporative leak diagnostic is provided. A valve in a diagnostic module is commanded to a vent position. A pump is operated to measure a reference pressure across an orifice to provide a threshold. A valve is commanded to a test position. The pump is operated to place the fuel system in a low pressure state, and a series of pressures in the fuel system is measured. A diagnostic code is provided after comparing the series of pressures to the threshold.

    摘要翻译： 车辆设置有燃料系统，控制器和具有孔口，压力传感器和泵的诊断模块，该模块将燃料系统连接到大气。 控制器测量孔口上的参考压力以提供阈值，隔离燃料系统，并响应于将一系列或测得的压力与阈值进行比较而提供代码。 提供了一种执行蒸发泄漏诊断的方法。 诊断模块中的阀门被命令到排气口。 操作泵以测量跨孔的参考压力以提供阈值。 一个阀被命令到一个测试位置。 操作泵将燃料系统置于低压状态，并测量燃料系统中的一系列压力。 在将一系列压力与阈值进行比较之后提供诊断代码。

    AIR/FUEL IMBALANCE MONITOR
    7.
    发明申请
    AIR/FUEL IMBALANCE MONITOR 审中-公开
    空气/燃料不平衡监测

    公开(公告)号：US20130184969A1

    公开(公告)日：2013-07-18

    申请号：US13353240

    申请日：2012-01-18

    申请人： John Eric Rollinger ,  Michael Igor Kluzner ,  Robert Roy Jentz

    发明人： John Eric Rollinger ,  Michael Igor Kluzner ,  Robert Roy Jentz

    IPC分类号： F02D41/00

    摘要： Systems and methods for monitoring cylinder air/fuel imbalances are provided. In one example approach, a method comprises, identifying a cylinder with a potential air/fuel imbalance based on crankshaft accelerations generated by a series of rich, lean, and stoichiometric conditions in the cylinder while keeping the engine at stoichiometry.

    摘要翻译： 提供了监测气缸空气/燃料不平衡的系统和方法。 在一个示例性方法中，一种方法包括：基于在气缸中由一系列富，贫和化学计量条件产生的曲轴加速度，识别具有潜在空气/燃料不平衡的气缸，同时将发动机保持在化学计量。

    Catalytic monitoring method
    9.
    发明授权
    Catalytic monitoring method 有权
    催化监测方法

    公开(公告)号：US6138452A

    公开(公告)日：2000-10-31

    申请号：US263457

    申请日：1999-03-05

    申请人： Christopher Kirk Davey ,  Michael Igor Kluzner ,  Robert Roy Jentz ,  Robert Joseph Jerger

    发明人： Christopher Kirk Davey ,  Michael Igor Kluzner ,  Robert Roy Jentz ,  Robert Joseph Jerger

    IPC分类号： F01N11/00 ,  F01N13/04 ,  F01N13/10 ,  F02D41/14 ,  F01N3/00

    CPC分类号： F02D41/1443 ,  F01N11/007 ,  F01N13/011 ,  F01N13/107 ,  F01N2550/02 ,  F01N2900/0421 ,  F02D41/1456 ,  Y02T10/47

    摘要： An adaptive catalytic monitoring method for an engine having two engine banks each coupled to one of two catalytic converters uses first and second exhaust gas oxygen sensors respectively upstream and downstream of one catalytic converter. Third and fourth exhaust gas oxygen sensors are respectively coupled upstream and downstream of the other catalytic converter. Switch ratios are determined for each of the engine banks based the switching ratios of each upstream and downstream pair of exhaust gas oxygen sensors, with the switch ratio being adjusted by an adjustment gain that is a function of airflow and a catalytic converter characteristic. A combination of the adjusted switch ratios is used to determine overall catalytic converter system performance.

    摘要翻译： 一种用于具有两个发动机组的发动机的适应性催化监测方法，每个发动机组分别耦合到两个催化转化器中的一个，分别使用分别在一个催化转化器的上游和下游的第一和第二排气氧传感器。 第三和第四废气氧传感器分别耦合在另一个催化转化器的上游和下游。 基于每个上游和下游排气氧传感器对的切换比，确定每个发动机组的开关比，其中开关比通过作为气流和催化转化器特性的调节增益来调节。 使用调整后的开关比的组合来确定总体催化转化器系统性能。