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    Electromagnetic type fuel injection valve
    1.
    发明授权
    Electromagnetic type fuel injection valve 失效
    电磁式燃油喷射阀

    公开(公告)号：US5156341A

    公开(公告)日：1992-10-20

    申请号：US361285

    申请日：1989-06-05

    申请人： Katsuyoshi Terakado ,  Hisanobu Kanamaru ,  Mizuho Yokoyama ,  Tokuo Kosuge

    发明人： Katsuyoshi Terakado ,  Hisanobu Kanamaru ,  Mizuho Yokoyama ,  Tokuo Kosuge

    IPC分类号： F02M51/06 ,  F02M51/08 ,  H01F3/00 ,  H01F7/16 ,  H01F41/02

    CPC分类号： H01F41/0206 ,  F02M51/0675 ,  H01F3/00 ,  H01F7/1607 ,  Y10S239/90

    摘要： Disclosed is an electromagnetic type fuel injection valve including a stator iron core, an electromagnetic coil concentric with the stator iron core, a casing formed of a magnetizable material and accommodating therein the stator iron core and the electromagnetic coil, a moving body provided at its end with a valve body, a stopper for the moving body, a valve seat opposite to the stopper with the moving body interposed therebetween and a spring engaged with an end of the moving body for biasing the same, the moving body being adapted to reciprocate between the valve seat and the stator iron core under the magnetizing force of the electromagnetic coil and the biasing force of the spring, and having an armature adapted to be absorbed by the stator iron core and a rod contiguous with the valve body, the armature and the rod being formed of the same material so as to be integral with each other, a guide portion of the rod and a portion of the moving body adapted to abut against the stopper being subjected to a hardening treatment, and the electromagnetic absorbing force of the armature being increased by reducing the leak magnetic flux leaking through the rod.

    Method of producing an electromagnetic fuel injector
    2.
    发明授权
    Method of producing an electromagnetic fuel injector 失效
    电磁燃料喷射器的制造方法

    公开(公告)号：US4974312A

    公开(公告)日：1990-12-04

    申请号：US374135

    申请日：1989-06-30

    申请人： Mizuho Yokoyama ,  Hisanobu Kanamaru ,  Tokuo Kosuge

    发明人： Mizuho Yokoyama ,  Hisanobu Kanamaru ,  Tokuo Kosuge

    IPC分类号： F02M51/06 ,  F02M51/08 ,  F02M61/16

    CPC分类号： F02M61/168 ,  F02M51/0682 ,  Y10S239/90 ,  Y10T29/4902 ,  Y10T29/49901 ,  Y10T29/49934

    摘要： An electromagnetic fuel injector suitable for use in an automotive engine has a cylindrical yoke constituting a body of the fuel injector, a solenoid coil and a stator core fixedly received in the cylindrical yoke, a movable core adapted to be attracted by the stator core, and a movable valve responsive to the movable core so as to be moved into and out of contact with a fuel injection valve seat in accordance with the balance of force between an electromagnetic force produced by the solenoid coil and a force produced by a spring received in the stator core. The stator core is coaxially received in the cylindrical yoke with a portion of the material of either one of the stator core and the yoke being plastically deformed into an annular groove formed in the opposing surface of the other of the stator core and the yoke. In consequence, the stator core and the yoke are coupled to and held on each other by the contracting force produced by the plastically deformed material in and around the annular groove.

    摘要翻译： 适用于汽车发动机的电磁燃料喷射器具有构成燃料喷射器主体的圆柱形轭铁，固定地容纳在圆柱形轭铁中的螺线管线圈和定子铁芯，适于被定子铁心吸引的可动铁芯，以及 根据由螺线管线圈产生的电磁力与由所述螺线管线圈产生的弹簧产生的力之间的力的平衡，能够响应于所述可动铁芯移动进入和不与燃料喷射阀座接触的可移动阀 定子铁芯。 定子芯同轴地容纳在圆柱形磁轭中，其中定子铁芯和磁轭之一的材料的一部分塑性变形成形成在另一个定子铁芯和磁轭中的相对表面中的环形槽。 因此，定子铁芯和磁轭通过在环形槽内和周围的塑性变形的材料产生的收缩力彼此联接并彼此夹持。

    Electromagnetic fuel injector
    3.
    发明授权
    Electromagnetic fuel injector 失效
    电磁燃油喷射器

    公开(公告)号：US5012982A

    公开(公告)日：1991-05-07

    申请号：US361336

    申请日：1989-06-05

    申请人： Masahiro Souma ,  Tokuo Kosuge ,  Tohru Ishikawa ,  Hisanobu Kanamaru ,  Mizuho Yokoyama ,  Yasuo Kamituma

    发明人： Masahiro Souma ,  Tokuo Kosuge ,  Tohru Ishikawa ,  Hisanobu Kanamaru ,  Mizuho Yokoyama ,  Yasuo Kamituma

    IPC分类号： F02M51/06 ,  F02M51/08 ,  F02M61/14 ,  F02M61/16 ,  F02M63/00

    CPC分类号： F02M61/168 ,  F02M51/0682 ,  F02M61/145 ,  F02M61/166 ,  F02M2051/08 ,  F02M2200/02 ,  F02M2200/505 ,  F02M2200/9038 ,  Y10S239/90

    摘要： An electromagnetic fuel injector comprising: a movable member with a valve body provided at one end and an armature made of a magnetic material provided at the other end; a cylindrical core made of a magnetic material, the core being disposed in such a manner that the distal end thereof opposes the armature; an electromagnetic coil disposed around the cylindrical core for producing an electromagnetic force between the cylindrical core and the armature when the coil is energized; and guide sections for guiding the movement of the movable member in the axial direction, the guide sections being disposed in the vicinities of the valve body and the armature of the movable member. The guide section provided in the vicinity of the armature comprises a sliding member made of a non-magnetic material and disposed between the armature and the core. The colliding surface of the core and the armature is coated with a nickel layer which serves as an impact absorbing layer and a chromium oxide layer which serves as a surface hardening layer. A seal ring is provided between the outer periphery of a plug portion of the core and the inner periphery of a casing. The yoke is coupled to the core at a location which is closer to a fuel outlet from the seal ring.

    摘要翻译： 一种电磁燃料喷射器，包括：具有设置在一端的阀体的可动构件和设置在另一端的由磁性材料制成的电枢; 由磁性材料制成的圆柱形芯，所述芯以使其远端与电枢相对的方式设置; 设置在所述圆筒形芯周围的电磁线圈，用于当所述线圈通电时在所述圆柱形芯和所述电枢之间产生电磁力; 以及用于引导可动构件在轴向方向上的运动的引导部分，引导部分设置在阀体和可动构件的电枢附近。 设置在电枢附近的引导部包括由非磁性材料制成并设置在电枢和芯之间的滑动构件。 芯和电枢的碰撞表面涂覆有用作冲击吸收层的镍层和用作表面硬化层的氧化铬层。 密封环设置在芯的插头部分的外周和壳体的内周之间。 磁轭在距密封环更靠近燃料出口的位置处联接到磁芯。

    Electromagnetic fuel injection and method of producing the same
    4.
    发明授权
    Electromagnetic fuel injection and method of producing the same 失效
    电磁燃料喷射及其制造方法

    公开(公告)号：US5040731A

    公开(公告)日：1991-08-20

    申请号：US434572

    申请日：1989-11-13

    申请人： Mizuho Yokoyama ,  Hisanobu Kanamaru ,  Tokuo Kosuge

    发明人： Mizuho Yokoyama ,  Hisanobu Kanamaru ,  Tokuo Kosuge

    IPC分类号： F02M51/06 ,  F02M51/08 ,  F02M61/16

    CPC分类号： F02M61/168 ,  F02M51/0682 ,  Y10S239/90 ,  Y10T29/4902 ,  Y10T29/49901 ,  Y10T29/49934

    摘要： An electromagnetic fuel injector suitable for use in an automotive engine has a cylindrical yoke constituting a body of the fuel injector, a solenoid coil and a stator core fixedly received in the cylindrical yoke, a movable core adapted to be attracted by the stator core, and a movable valve responsive to the movable core so as to be moved into and out of contact with a fuel injection valve seat in accordance with the balance of force between an electromagnetic force produced by the solenoid coil and a force produced by a spring received in the stator core. The stator core is coaxially received in the cylindrical yoke with a portion of the material of either one of the stator core and the yoke being plastically deformed into an annular groove formed in the opposing surface of the other of the stator core and the yoke. In consequence, the stator core and the yoke are coupled to and held on each other by the contracting force produced by the plastically deformed material in and around the annular groove. Also disclosed is a method of producing this fuel injector.

    Fuel injection control apparatus for internal combustion engines
    6.
    发明授权
    Fuel injection control apparatus for internal combustion engines 失效
    内燃机燃油喷射控制装置

    公开(公告)号：US4589389A

    公开(公告)日：1986-05-20

    申请号：US743977

    申请日：1985-06-12

    申请人： Tokuo Kosuge ,  Kimiji Karino

    发明人： Tokuo Kosuge ,  Kimiji Karino

    IPC分类号： F02D41/10 ,  F02D41/12

    CPC分类号： F02D41/10 ,  F02D41/107

    摘要： A base injection pulse for regulating an injecting time of an injector is determined by the number of revolutions of an engine and the quantity of an intake air. The base injection pulse is calibrated or compensated as follows;T.sub.i =T.sub.p (1+K.sub.a +K.sub.b)whereinT.sub.i : a pulse width of the calibrated injection pulse, which determines the injecting time of the injector;T.sub.p : a pulse width of the base injection pulse;K.sub.a : a calibration coefficient determined by the level of an acceleration; andK.sub.b : a calibration coefficient determined by the level of a deceleration preceding to the acceleration.

    摘要翻译： 用于调节喷射器的喷射时间的基准喷射脉冲由发动机的转数和进气量确定。 基准喷射脉冲如下校准或补偿： Ti = Tp（1 + Ka + Kb）其中Ti：校准喷射脉冲的脉冲宽度，其确定喷射器的喷射时间; Tp：基准脉冲的脉冲宽度; Ka：由加速度水平确定的校准系数; 和Kb：由加速度之前的减速度水平确定的校准系数。

    Electromagnetic fuel injector
    9.
    发明授权
    Electromagnetic fuel injector 失效
    电磁燃油喷射器

    公开(公告)号：US4811905A

    公开(公告)日：1989-03-14

    申请号：US56945

    申请日：1987-06-03

    申请人： Tooru Ishikawa ,  Tokuo Kosuge

    发明人： Tooru Ishikawa ,  Tokuo Kosuge

    IPC分类号： F02M51/06 ,  F02M51/08 ,  F02M55/04 ,  F02M61/16 ,  F02M63/00 ,  F02M69/46 ,  F02M51/00

    CPC分类号： F02M69/462 ,  F02M51/0678 ,  F02M55/04 ,  F02M2200/315 ,  F02M61/165 ,  Y10S239/23

    摘要： An electromagnetic fuel injector for internal combustion engines has a core defining therein a central bore and a fuel adjuster disposed therein and having an upstream end spaced downstream from an inlet end of the core. The central bore includes an inlet portion extending between the inlet end of the core and the upstream end of the fuel adjuster and providing an inner peripheral surface operative to guide the fuel in a laminar flow toward and into the fuel adjuster for thereby minimizing the occurrence of pulsated fuel pressure variation and voids which took place heretofore to cause cavitation in the fuel passage in the injector, whereby the range of fuel injection control can be widened.

    摘要翻译： 用于内燃机的电磁燃料喷射器具有在其中限定有中心孔的核和设置在其中的燃料调节器，并且具有在芯的入口端的下游间隔开的上游端。 中心孔包括在芯的入口端和燃料调节器的上游端之间延伸的入口部分，并且提供内周表面，该内周表面可操作以将燃料沿层流引导到燃料调节器中，从而最小化燃料调节器的发生 脉动的燃料压力变化和空气在此之前发生在喷射器中的燃料通道中引起气蚀，从而可以扩大燃料喷射控制的范围。

    Low speed fuel supply system for a carburetor
    10.
    发明授权
    Low speed fuel supply system for a carburetor 失效
    化油器的低速燃油供应系统

    公开(公告)号：US4377141A

    公开(公告)日：1983-03-22

    申请号：US288497

    申请日：1981-07-30

    申请人： Kimiji Karino ,  Tokuo Kosuge

    发明人： Kimiji Karino ,  Tokuo Kosuge

    IPC分类号： F02M3/09 ,  F02M3/12 ,  F02M3/08 ,  F02M1/10 ,  F02M13/04

    CPC分类号： F02M3/12 ,  F02M3/09

    摘要： A low speed fuel supply system for a carburetor of an engine, with the system including an ascending fuel passage communicating with a fuel supply. A fuel-air passage is provided with an air bleed at an upper end, with the fuel-air passage opening, at the upper end thereof, into an induction passage of the carburetor upstream of a throttle valve mounted across the induction passage. A lower end of the fuel-air passage communicates with the induction passage in a vicinity of the throttle valve. A horizontally disposed fluid passage is provided for connecting both the upper ends of the fuel-air passage and the ascending fuel passage. The horizontally disposed fluid passage forms a valve seat, with a guide member being provided forming a valve body disposed in alignment with the valve seat. An air bleed introduces air into the upper portion of the ascending fuel passage directly toward the valve body. By operation of the low pressure induced in the induction passage, fuel is sucked from the fuel supply, guided by the valve body, and directed to the valve seat, while air introduced from the air bleed is directed to the valve body. The air and fuel are divided into two layers and flow into the valve seat. The flows of two layers into the fuel-air passage, with fuel flowing while adhering on a wall of the fuel-air passage and the air flows along a central portion of the flowing fuel, while the fuel adheres to the wall of the induction passage so that an annular flow is formed and a stable and continuous flow can be effected.

    摘要翻译： 一种用于发动机的化油器的低速燃料供应系统，该系统包括与燃料供应连通的上升燃料通道。 燃料空气通道在上端设有排气口，其燃料空气通道开口在其上端处于通过安装在进气通道上的节流阀上游的化油器的进气通道。 燃料空气通路的下端在节气门附近与感应通路连通。 设置水平布置的流体通道，用于连接燃料通道和上升燃料通道的两个上端。 水平设置的流体通道形成阀座，其中设置有引导构件，形成与阀座对准设置的阀体。 空气流将空气直接引导到上游燃料通道的上部。 通过在感应通路中引起的低压的操作，燃料从阀体引导而从燃料供给部被吸入，并被导向阀座，同时从排气引入的空气被引导到阀体。 空气和燃料分为两层，并流入阀座。 两层流入燃料空气通道中，燃料在粘附在燃料空气通道的壁上时流动，空气沿着流动的燃料的中心部分流动，同时燃料附着在进气通道的壁 使得形成环形流动并且可以实现稳定和连续的流动。