Engine boost control for multi-fuel engine
    1.
    发明授权
    Engine boost control for multi-fuel engine 有权
    多燃料发动机的发动机升压控制

    公开(公告)号:US08335632B2

    公开(公告)日:2012-12-18

    申请号:US13168269

    申请日:2011-06-24

    IPC分类号: F02B47/00

    摘要: A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

    摘要翻译: 描述了用于内燃机的燃料输送系统和操作燃料输送系统的方法。 作为一个示例,该方法包括将第一燃料混合物从第一燃料箱输送到发动机; 将第二燃料混合物从第二燃料箱输送到发动机,将输送到发动机的所述第二燃料混合物的比例输送到所述发动机的所述第一燃料混合物与期望的发动机输出相关; 将所述第一燃料混合物从所述第一燃料箱转移到所述第二燃料箱,以防止所述第二燃料箱中的所述第一燃料混合物和所述第二燃料混合物的量落在预定水平以下; 并且增压输送到发动机的空气,所述增压量与所述第二燃料混合物的蒸发潜热相关联,所述第二燃料混合物被输送到发动机。

    Fuel vapor purging diagnostics
    2.
    发明授权
    Fuel vapor purging diagnostics 有权
    燃油蒸气清洗诊断

    公开(公告)号:US08312765B2

    公开(公告)日:2012-11-20

    申请号:US12399213

    申请日:2009-03-06

    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。

    FUEL SYSTEM FOR MULTI-FUEL ENGINE
    5.
    发明申请
    FUEL SYSTEM FOR MULTI-FUEL ENGINE 有权
    多功能发动机燃油系统

    公开(公告)号:US20110073057A1

    公开(公告)日:2011-03-31

    申请号:US12961937

    申请日:2010-12-07

    摘要: An engine system and corresponding control method are described. As one example, the control method includes: combusting fuel from a first fuel tank during a first engine operating condition; combusting fuel from a second fuel tank during a second engine operating condition; transferring fuel from the first fuel tank to the second fuel tank when a fuel level of the second fuel tank falls below a predetermined level; delivering air to the engine from an air compressor; and adjusting the compressor based on a combustion characteristic of fuel from the second tank.

    摘要翻译: 描述了发动机系统和相应的控制方法。 作为一个示例,控制方法包括:在第一发动机运行状态期间从第一燃料箱燃烧燃料; 在第二发动机运行状态期间从第二燃料箱燃烧燃料; 当所述第二燃料箱的燃料液位低于预定水平时,将燃料从所述第一燃料箱传递到所述第二燃料箱; 从空气压缩机向发动机输送空气; 以及基于来自第二罐的燃料的燃烧特性来调节压缩机。

    ENGINE BOOST CONTROL FOR MULTI-FUEL ENGINE
    6.
    发明申请
    ENGINE BOOST CONTROL FOR MULTI-FUEL ENGINE 有权
    多功能发动机的发动机升压控制

    公开(公告)号:US20110011382A1

    公开(公告)日:2011-01-20

    申请号:US12889312

    申请日:2010-09-23

    IPC分类号: F02B13/00

    摘要: A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

    摘要翻译: 描述了用于内燃机的燃料输送系统和操作燃料输送系统的方法。 作为一个示例,该方法包括将第一燃料混合物从第一燃料箱输送到发动机; 将第二燃料混合物从第二燃料箱输送到发动机,将输送到发动机的所述第二燃料混合物的比例输送到所述发动机的所述第一燃料混合物与期望的发动机输出相关; 将所述第一燃料混合物从所述第一燃料箱转移到所述第二燃料箱,以防止所述第二燃料箱中的所述第一燃料混合物和所述第二燃料混合物的量落在预定水平以下; 并且增压输送到发动机的空气,所述增压量与所述第二燃料混合物的蒸发潜热相关联,所述第二燃料混合物被输送到发动机。

    Electronic throttle system
    10.
    发明授权

    公开(公告)号:US06463797B2

    公开(公告)日:2002-10-15

    申请号:US09792346

    申请日:2001-02-24

    申请人: Allan J. Lippa

    发明人: Allan J. Lippa

    IPC分类号: F02D900

    摘要: An electronic throttle control system is described where a throttle position sensor has multiple slopes depending on the operating region. At low throttle positions, a greater slope, and thus a greater sensitivity is provided, thereby increasing control resolution. At greater throttle positions, a lower slope, and thus lower sensitivity is provided. In this way, an output signal that varies across the entire operating region of the throttle is provided for monitoring and control, while improved performance at low throttle angles can be simultaneously achieved. A method of making the sensor is also described.