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20 条记录 (耗时 0.017 秒)

    Control method
    4.
    发明申请
    Control method 失效
    控制方法

    公开(公告)号：US20020117150A1

    公开(公告)日：2002-08-29

    申请号：US10079672

    申请日：2002-02-20

    发明人： Martin A.P. Sykes

    IPC分类号： F02M001/00

    CPC分类号： F02D41/3845 ,  F02D31/001 ,  F02D41/222 ,  F02D2041/223 ,  F02M41/1427 ,  F02M63/0225 ,  F02M2041/1444 ,  F02M2041/145 ,  F02M2041/1483 ,  F02M2041/1488

    摘要： A method of controlling the operation of an engine fuel system including at least one fuel injector, a high pressure fuel pump for delivering fuel to the injector and a pressure sensor arranged to provide an output signal indicative of the pressure of fuel delivered to the injector, comprises the steps of controlling the rate of flow of fuel delivered from the pump to the injector by means of a metering valve arrangement supplied with a control current, measuring the speed of the engine and monitoring the status of the pressure sensor so as to determine whether a fault condition has occurred within the sensor. In the event that a fault condition has occurred in the pressure sensor, the control current supplied to the metering valve arrangement is varied in response to the measured engine speed signal so as to maintain operation of the engine at a substantially constant, predetermined engine speed. The invention also relates a fuel system for implementing the control method.

    摘要翻译： 一种控制发动机燃料系统的操作的方法，该发动机燃料系统包括至少一个燃料喷射器，用于将燃料输送到喷射器的高压燃料泵和布置成提供指示输送到喷射器的燃料的压力的输出信号的压力传感器， 包括以下步骤：通过提供有控制电流的计量阀装置来控制从泵输送到喷射器的燃料的流量，测量发动机的速度并监测压力传感器的状态，以便确定是否 在传感器内发生故障。 在压力传感器发生故障状态的情况下，响应于所测量的发动机转速信号而改变供给到计量阀装置的控制电流，以便将发动机的运行保持在基本恒定的预定发动机转速。 本发明还涉及一种用于实现控制方法的燃料系统。

    Fuel Injection Device
    8.
    发明申请
    Fuel Injection Device 失效
    燃油喷射装置

    公开(公告)号：US20080041977A1

    公开(公告)日：2008-02-21

    申请号：US11632662

    申请日：2005-07-21

    申请人： Yoshihiro Hotta ,  Yoshifumi Wakisaka ,  Kiyomi Kawamura

    发明人： Yoshihiro Hotta ,  Yoshifumi Wakisaka ,  Kiyomi Kawamura

    IPC分类号： F02M61/16

    CPC分类号： F02M57/026 ,  F02M41/124 ,  F02M41/1427 ,  F02M47/027 ,  F02M57/025 ,  F02M59/18 ,  F02M59/34 ,  F02M61/205 ,  F02M63/0056 ,  F02M69/007 ,  F02M69/043 ,  F02M69/044 ,  F02M69/18 ,  F02M69/24 ,  F02M69/26 ,  F02M69/32 ,  F02M69/36 ,  F02M69/383 ,  F02M69/44 ,  F02M71/00 ,  F02M2041/145 ,  F02M2041/1455 ,  F02M2200/28 ,  F02M2700/4323

    摘要： A needle is forced to open an injection hole by reducing a pressure of fuel in an injection control chamber to thereby inject fuel stored in a fuel storage, while the needle is forced to close the injection hole by increasing the pressure of fuel in the injection control chamber to thereby terminate injection of fuel from the injection hole. In a valve-closing stroke of the needle to close the injection hole, fuel pressure is supplied from a common accumulator to the fuel storage and the injection control chamber in such a manner that the pressure to supply fuel to the fuel storage is lower than that to supply fuel to the injection control chamber. In this way, a force acting on the needle toward the injection hole side can be increased in the valve-closing stroke, to thereby accelerate a valve-closing speed of the needle.

    摘要翻译： 通过减少注射控制室中的燃料压力来迫使针头打开注射孔，从而喷射存储在燃料储存器中的燃料，同时通过增加喷射控制器中的燃料压力来迫使针头关闭喷射孔 从而终止从喷射孔喷射燃料。 在关闭喷射孔的针的关闭行程中，燃料压力从共同的蓄能器供应到燃料储存器和喷射控制室，使得向燃料储存器供应燃料的压力低于 以向喷射控制室供应燃料。 以这种方式，可以在关闭行程中增加作用于针头朝向喷射孔侧的力，从而加速针的关闭速度。

    Metering valve arrangement
    9.
    发明申请
    Metering valve arrangement 有权
    计量阀装置

    公开(公告)号：US20030226547A1

    公开(公告)日：2003-12-11

    申请号：US10264526

    申请日：2002-10-03

    发明人： Geoffrey D. Bootle ,  William R. Burborough

    IPC分类号： F02M037/04

    CPC分类号： F02D1/02 ,  F02D1/127 ,  F02D1/183 ,  F02D2001/0085 ,  F02D2001/186 ,  F02M41/1416 ,  F02M41/1427 ,  F02M2041/145

    摘要： A metering valve arrangement comprises a metering valve member which is angularly adjustable within a metering valve bore provided in a metering valve housing and an adjustment arrangement for adjusting the axial position of the metering valve member within the metering valve bore. The metering valve arrangement includes a first opening provided in the metering valve member which is registerable with a first outlet provided in the metering valve housing to control a first rate of flow of fluid through the first outlet depending on the angular position of the metering valve member within the bore, and a second opening provided in the metering valve member which is registerable with a second outlet provided in the metering valve housing to control a second rate of flow of fluid through the second outlet. The first and second outlets and the first and second openings are shaped and configured to ensure the first rate of flow of fluid maintains a substantially constant relationship to the second rate of flow of fluid for any axial position of the metering valve member within the metering valve bore. The metering valve arrangement is particularly suitable for use in an advance arrangement for adjusting the timing of fuel delivery by a pump, in which the first outlet of the metering valve arrangement communicates with a low pressure drain and a first rate of flow of fuel through the first outlet determines fuel pressure within a light load control chamber of the advance arrangement, and wherein the second outlet of the metering valve arrangement communicates with the pump and a second rate of flow of fuel through the second outlet determines the pressure of fuel delivered to the pump.

    摘要翻译： 计量阀装置包括计量阀构件，其在设置在计量阀壳体内的计量阀孔内可角度地调节，以及用于调节计量阀构件在计量阀孔内的轴向位置的调节装置。 计量阀装置包括设置在计量阀构件中的第一开口，其可与设置在计量阀壳体中的第一出口对齐，以根据计量阀构件的角位置来控制通过第一出口的流体的第一流量 并且设置在计量阀构件中的第二开口，其可与设置在计量阀壳体中的第二出口对齐，以控制通过第二出口的流体的第二流量。 第一和第二出口以及第一和第二开口成形和构造成确保流体的第一流速与计量阀构件在计量阀内的任何轴向位置的流体的第二流速保持基本恒定的关系 孔。 计量阀装置特别适用于用于调节由泵排出燃料的时间的预先装置，其中计量阀装置的第一出口与低压排放管连通，并且第一燃料流量通过 第一出口确定先进装置的轻负载控制室内的燃料压力，并且其中计量阀装置的第二出口与泵连通，并且通过第二出口的第二燃料流量决定了输送到 泵。

    Control method
    10.
    发明授权
    Control method 失效

    公开(公告)号：US06578555B2

    公开(公告)日：2003-06-17

    申请号：US10079672

    申请日：2002-02-20

    申请人： Martin A P Sykes

    发明人： Martin A P Sykes

    IPC分类号： F02M500

    CPC分类号： F02D41/3845 ,  F02D31/001 ,  F02D41/222 ,  F02D2041/223 ,  F02M41/1427 ,  F02M63/0225 ,  F02M2041/1444 ,  F02M2041/145 ,  F02M2041/1483 ,  F02M2041/1488

    摘要： A method of controlling the operation of an engine fuel system including at least one fuel injector, a high pressure fuel pump for delivering fuel to the injector and a pressure sensor arranged to provide an output signal indicative of the pressure of fuel delivered to the injector, comprises the steps of controlling the rate of flow of fuel delivered from the pump to the injector by means of a metering valve arrangement supplied with a control current, measuring the speed of the engine and monitoring the status of the pressure sensor so as to determine whether a fault condition has occurred within the sensor. In the event that a fault condition has occurred in the pressure sensor, the control current supplied to the metering valve arrangement is varied in response to the measured engine speed signal so as to maintain operation of the engine at a substantially constant, predetermined engine speed. The invention also relates a fuel system for implementing the control method.