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    Method and system for injecting a pilot fuel into a combustion chamber
    1.
    发明授权
    Method and system for injecting a pilot fuel into a combustion chamber 失效
    将先导燃料喷入燃烧室的方法和系统

    公开(公告)号：US4748949A

    公开(公告)日：1988-06-07

    申请号：US759949

    申请日：1985-07-29

    Applicant: Anton Steiger ,  Bruno Sommer

    Inventor： Anton Steiger ,  Bruno Sommer

    IPC: F02M45/04 ,  F02B3/06 ,  F02B7/02 ,  F02B23/02 ,  F02B23/06 ,  F02D19/08 ,  F02M47/02 ,  F02M59/10 ,  F02M59/18 ,  F02M59/26 ,  F02M61/14

    CPC classification number: F02B23/0663 ,  F02B23/02 ,  F02B7/02 ,  F02D19/0649 ,  F02D19/0684 ,  F02D19/0689 ,  F02D19/0692 ,  F02D19/081 ,  F02M47/027 ,  F02M59/18 ,  F02M59/265 ,  F02B3/06 ,  Y02T10/125 ,  Y02T10/36

    Abstract: The fuel injection system is provided with a control device for controlling the pilot fuel injection phase to be less than ten percent of the main fuel injection phase. In one embodiment, an injection pump is constructed with a piston having a part with a pair of bevelled edges which control the start and end of injection as well as a tension spring for abruptly moving the piston in the delivery stroke. In another embodiment, a control device includes a rotatable spool which has a cross-bore for communicating cyclically with a pair of radial bores in a surrounding sleeve and which, in turn, communicate with oppositely disposed bores in a casing in order to deliver a flow of pilot fuel during the injection phase.

    Abstract translation: 燃料喷射系统设置有控制装置，用于控制引燃燃料喷射相位小于主燃料喷射相位的百分之十。 在一个实施例中，注射泵被构造成具有活塞，该活塞具有一对倾斜边缘的一部分，该边缘控制喷射的开始和结束以及用于在输送冲程中突然移动活塞的拉伸弹簧。 在另一个实施例中，控制装置包括可转动的卷轴，其具有用于与围绕套筒中的一对径向孔循环地连通的横向孔，并且其又与套管中相对布置的孔连通，以便输送流体 在喷射阶段的引燃燃料。

    Fuel Injection Device
    9.
    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

    Applicant: Yoshihiro Hotta ,  Yoshifumi Wakisaka ,  Kiyomi Kawamura

    Inventor： Yoshihiro Hotta ,  Yoshifumi Wakisaka ,  Kiyomi Kawamura

    IPC: F02M61/16

    CPC classification number: 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

    Abstract: 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.

    Abstract translation: 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。

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