THROTTLE VALVE SYSTEM FOR AN ENGINE
    92.
    发明申请
    THROTTLE VALVE SYSTEM FOR AN ENGINE 有权
    用于发动机的节流阀系统

    公开(公告)号:US20130233276A1

    公开(公告)日:2013-09-12

    申请号:US13417072

    申请日:2012-03-09

    IPC分类号: F02D9/00 F02D9/08

    摘要: An embodiment of an engine is described. The engine includes a first throttle valve. The first throttle valve is provided in a first intake passage coupled to an intake manifold. The first throttle valve has a default closed position. The engine further includes a second throttle valve. The second throttle valve is provided in a second intake passage coupled to the intake manifold. The second throttle valve has a default open position. The engine further includes a venturi pump that is provided between the second throttle valve and the intake manifold. When the second throttle valve is in the default open position, intake air flows through the venturi pump.

    摘要翻译: 描述发动机的实施例。 发动机包括第一节流阀。 第一节流阀设置在联接到进气歧管的第一进气通道中。 第一个节流阀具有默认的关闭位置。 发动机还包括第二节流阀。 第二节流阀设置在联接到进气歧管的第二进气通道中。 第二节流阀具有默认打开位置。 发动机还包括设置在第二节流阀和进气歧管之间的文丘里泵。 当第二节流阀处于默认打开位置时,进气通过文丘里泵。

    FUEL VAPOR PURGING DIAGNOSTICS
    95.
    发明申请
    FUEL VAPOR PURGING DIAGNOSTICS 有权
    燃料蒸气清洗诊断

    公开(公告)号:US20130074589A1

    公开(公告)日:2013-03-28

    申请号:US13681299

    申请日:2012-11-19

    IPC分类号: G01M15/04

    摘要: Systems and methods are provided for monitoring reverse flow of fuel vapors and/or air through a vehicle fuel vapor recovery system, the fuel vapor recovery system coupled to an engine intake of a boosted internal combustion engine. One example method comprises, intermittently adjusting a restriction in the fuel vapor recovery system during boosted conditions, and indicating degradation based on one or more of a change in a pressure value, or based on a change in flow in the fuel vapor recovery system.

    摘要翻译: 提供了系统和方法,用于通过车辆燃料蒸气回收系统监测燃料蒸汽和/或空气的逆流,所述燃料蒸汽回收系统耦合到升压的内燃机的发动机进气口。 一个示例性方法包括:在增压条件期间间歇地调节燃料蒸汽回收系统中的限制,并且基于压力值的变化中的一个或多个或基于燃料蒸汽回收系统中的流量变化来指示退化。

    METHOD AND SYSTEM FOR OPERATING AN EJECTOR
    99.
    发明申请
    METHOD AND SYSTEM FOR OPERATING AN EJECTOR 有权
    用于操作喷射器的方法和系统

    公开(公告)号:US20120237365A1

    公开(公告)日:2012-09-20

    申请号:US13050632

    申请日:2011-03-17

    IPC分类号: F04B23/08

    CPC分类号: F04F5/20 F04F5/54

    摘要: A selectively operable vacuum source is disclosed. In one example, vacuum source supplies as much air to an engine as is drawn by the vacuum source from a vacuum reservoir. The approach may provide vacuum to a vehicle vacuum system efficiently and with less weight than other vacuum sources.

    摘要翻译: 公开了一种选择性操作的真空源。 在一个示例中,真空源将真空源从真空容器提供给发动机,由真空源抽出。 该方法可以有效地为车辆真空系统提供真空,并且具有比其它真空源更小的重量。

    METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL
    100.
    发明申请
    METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL 有权
    辅助直接起动控制的方法和系统

    公开(公告)号:US20120185158A1

    公开(公告)日:2012-07-19

    申请号:US13430302

    申请日:2012-03-26

    IPC分类号: F02D28/00

    CPC分类号: F02N11/087 F02N11/0855

    摘要: Methods and systems are provided for controlling a vehicle system including an engine that is selectively deactivated during engine idle-stop conditions. One example method includes, during a first condition, engaging an engine starter, without applying a starter current, to the deactivated rotating engine after the engine speed drops below a threshold speed. The method further includes, during a second condition, engaging the starter and adjusting a starter motor switch to apply a starter braking torque to the rotating 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。 一个示例性方法包括在第一状态期间,在发动机转速下降到阈值速度之后,使发动机起动器在不施加起动电流的情况下与停用的旋转发动机接合。 该方法还包括在第二状态期间接合起动器并调节起动电动机开关以将启动器制动转矩施加到旋转发动机。