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    • 1. 发明授权
    • Cylinder injection type fuel injection valve
    • 气缸注射式燃油喷射阀
    • US5954274A
    • 1999-09-21
    • US870738
    • 1997-06-06
    • Mamoru SumidaNorihisa FukutomiTsuyoshi Munezane
    • Mamoru SumidaNorihisa FukutomiTsuyoshi Munezane
    • F02M51/06F02M51/08F02M61/16F02M61/18F02M69/04F02M61/00
    • F02M51/0671F02M61/162
    • A cylinder injection type fuel injection valve comprising: a valve body of a cylindrical type; a valve seat having at the center thereof an injection nozzle for injecting fuel; a valve capable of contacting to and separating from the valve seat to open and closing the injection nozzle; a swirler having a substantially cylindrical shape which causes a swirl motion in the fuel flowing into the injection nozzle of the valve seat, and which is located around the valve to support the valve so that the valve is slidably moved therein; a hollow housing having one end connected to the valve body and the other end connectable to a fuel supply tube; and a solenoid located in the inside of the housing to operate the valve to be opened and closed, wherein a clearance between the inner diameter of the swirler and the outer diameter of the valve is set to be a half or less of a lifting distance of the valve, whereby a deviation between the valve seat and the valve at a time of a valve-opening state is controlled to be a half or less of the lifting distance at most so that nonuniformity of atomization is suppressed.
    • 一种气缸喷射式燃料喷射阀,包括:圆柱形的阀体; 阀座在其中心具有用于喷射燃料的喷嘴; 能够接触阀座并与阀座分离以打开和关闭喷嘴的阀; 旋流器具有基本上圆柱形的形状,其在流入阀座的喷嘴中的燃料中产生旋转运动,并且位于阀附近以支撑阀,使得阀可滑动地移动; 中空壳体,其一端连接到阀体,另一端可连接到燃料供应管; 以及位于所述壳体内部的螺线管,以操作所述阀被打开和关闭,其中所述旋流器的内径和所述阀的外径之间的间隙被设定为所述旋转器的内径与所述阀的外径之间的距离的一半或更小 阀,由此阀开启状态时阀座与阀之间的偏差最多控制在提升距离的一半以下,从而能够抑制雾化的不均匀性。
    • 2. 发明授权
    • Fuel injection valve for an internal combustion engine
    • 内燃机用燃油喷射阀
    • US5630400A
    • 1997-05-20
    • US633164
    • 1996-04-16
    • Mamoru SumidaNorihisa FukutomiTsuyoshi MunezaneKeita Hosoyama
    • Mamoru SumidaNorihisa FukutomiTsuyoshi MunezaneKeita Hosoyama
    • F02B75/12F02M51/06F02M53/04F02M61/14F02M61/16F02M55/02
    • F02M61/162F02M51/0678F02M53/04F02M61/14F02B2075/125F02M2200/858Y02T10/123
    • A direct injection fuel injection valve includes a valve assembly 6, a hollow housing 14 having a coupling portion 16 coupled to the valve assembly and adapted to be connected to the fuel supply pipe 5, and a solenoid assembly 22 disposed for operating the valve assembly. The housing has an abutting surface 36 disposed at a position radially outward of the coupling portion with respect to the valve assembly and in an opposing relationship relative to a shoulder portion 3 of the fuel injection valve insertion hole 2, and a mounting surface 31 for positioning the housing relative to the cylinder head. A sleeve 40 is provided with one end disposed on the valve assembly in opposition to the shoulder portion of the cylinder head and the other end mounted to the housing in abutment against the abutting surface to bridge across the valve assembly and the housing over the coupling portion. A seal ring 45 having one side disposed on the valve assembly in abutment against the one end of the sleeve and the other side adapted to abut against the shoulder portion of the fuel injection valve insertion hole is provided.
    • 直接喷射燃料喷射阀包括阀组件6,中空壳体14,其具有联接到阀组件并且适于连接到燃料供应管5的联接部分16,以及设置用于操作阀组件的螺线管组件22。 壳体具有相对于阀组件设置在耦合部分的径向外侧的位置并且相对于燃料喷射阀插入孔2的肩部3相对的位置和用于定位的安装表面31的抵接表面36 壳体相对于气缸盖。 套筒40设置有与气缸盖的肩部相对设置在阀组件上的一端,并且安装在壳体上的另一端抵靠邻接表面跨过阀组件跨越联接部分 。 提供了一个密封环45,其一侧设置在阀组件上,抵靠套筒的一端,另一侧适于抵靠燃料喷射阀插入孔的肩部。
    • 3. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US5871157A
    • 1999-02-16
    • US869918
    • 1997-06-05
    • Norihisa FukutomiMamoru SumidaTsuyoshi Munezane
    • Norihisa FukutomiMamoru SumidaTsuyoshi Munezane
    • F02M51/06F02M51/08F02M61/16F02M61/18F02M69/04B05B1/34
    • F02M61/162F02M51/0671
    • A fuel injection valve comprisesa valve unit 3 which includes a hollow valve body 9, a valve seat 11 provided at an end of the valve body and having an injection nozzle 10, a valve 12 movable in the valve body to come into contact with and separate from the valve seat 11 so that the injection nozzle 10 is opened and closed, anda swirler 13 which is arranged around the valve 12 to support the same in a slidable manner and which provides a swirling force to fuel flowing through the injection nozzle 10, wherein the swirler 13 has outer circumferential surface portions 19a which are in contact with an inner circumference of the valve body 9 to regulate the position with respect to the valve body 9; flow passage portions formed between adjacent outer circumferential surface portions 19a to define fuel passages for passing fuel in the axial direction, and swirling grooves 25 formed in the end surface which faces the valve seat 11 in the axial direction so as to be at an eccentric position with respect to the center axis of the swirler 13, andwherein an annular groove 24 is formed in the swirler 13 at an inner circumference of the end surface of the swirler facing the valve seat 11, andthe swirling grooves 25 have respectively one end connected to one of the flow passage portions and the other end extending tangentially to the annular groove.
    • 燃料喷射阀包括阀单元3,其包括中空阀体9,设置在阀体的端部处的具有喷嘴10的阀座11,可在阀体中移动以与其接触的阀12和 与阀座11分离,使得喷嘴10打开和关闭;以及旋流器13,其围绕阀12布置以便以可滑动的方式支撑,并且向流过喷嘴10的燃料提供旋转力 其中,旋流器13具有与阀体9的内周接触的外周面部19a,以调节相对于阀体9的位置; 形成在相邻的外周面部19a之间的流路部分,以限定沿轴向通过燃料的燃料通道,以及形成在轴向方向上面对阀座11的端面中的旋转槽25,以便处于偏心位置 相对于旋流器13的中心轴线,在旋流器13的旋转器13的面向阀座11的端面的内周形成有环状槽24,旋转槽25的一端分别连接 到一个流动通道部分,另一个端部与环形槽相切地延伸。
    • 7. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US06609665B2
    • 2003-08-26
    • US09850200
    • 2001-05-08
    • Norihisa FukutomiMamoru Sumida
    • Norihisa FukutomiMamoru Sumida
    • B05B134
    • F02M61/1806F02M51/0671F02M61/162F02M61/18
    • A fuel injection valve for reducing carbon deposit on a passage portion between a seat portion and an injection port. The fuel injection valve includes an injection port 13 for injecting a fuel that is arranged to face a combustion chamber of an internal combustion engine. A seat portion H, where a valve element 8 comes in contact with a face of a valve seat 11 to intermit fuel injection, is arranged at a place upstream the injection port 13. The valve element 8 is conical at a portion downstream the seat portion H to an inlet of the injection port 13. The sectional area of the passage between the valve element 8 and the face of the valve seat 11 at the time of fully opening the valve element 8 is arranged so that the sectional area of the passage downstream of the vicinity of the seat portion H is larger. A tapered face 17 having a bore not more than 1/2.5 of an inner diameter of a swirl chamber 16 of a swirler 10 is formed on the face of the valve seat 11 which is downstream the seat portion H.
    • 一种燃料喷射阀,用于在座部和喷射口之间的通道部分上减少碳沉积。 燃料喷射阀包括用于喷射面向内燃机的燃烧室的燃料的喷射口13。 阀座8与阀座11的表面接触以间歇燃料喷射的座部H配置在喷射口13的上游位置。阀体8在座部下游的部分是圆锥形的 H连接到注入口13的入口。在完全打开阀元件8时阀元件8和阀座11的面之间的通道的截面积被布置成使得通道下游的截面面积 在座部H附近较大。 在座部分下游的阀座11的表面上形成有具有不超过旋流器10的涡流室16的内径的孔的不大于1 / 2.5的锥形面17。
    • 8. 发明授权
    • Device for controlling fuel injection
    • 燃油喷射控制装置
    • US06332455B1
    • 2001-12-25
    • US09688862
    • 2000-10-17
    • Mamoru SumidaNorihisa FukutomiOsamu Matsumoto
    • Mamoru SumidaNorihisa FukutomiOsamu Matsumoto
    • F02M5100
    • F02D41/20F02D2250/31
    • A device for controlling fuel injection preventing the wasteful consumption of electric power and expanding the dynamic range for controlling the amount of fuel. The device comprises fuel pressure regulator means (4) for adjusting fuel pressure (Pf) of the fuel to be injected, injector drive means (5) including an electromagnetic coil for opening the valve body of the injector (2), and injection control means (1) for controlling the fuel regulator means and the injector drive means depending upon the operating conditions (Ne, Qa and Pf), wherein, the injection control means includes an injection timer (13) for setting the exciting time for controlling the driving time for opening the valve body by controlling the exciting current and the exciting time for the electromagnetic coil, an over-excitation timer (14) for feeding an over-exciting current, and an over-exciting period control unit (15) for variably setting the initial count value of the over-excitation timer depending upon the fuel pressure, and wherein the over-exciting period is variably set to be a minimum required limit that increases with an increase in the fuel pressure.
    • 一种用于控制燃料喷射的装置,其防止浪费的电力消耗并且扩大用于控制燃料量的动态范围。 该装置包括用于调节要喷射的燃料的燃料压力(Pf)的燃料压力调节装置(4),包括用于打开喷射器(2)的阀体的电磁线圈的喷射器驱动装置(5),以及喷射控制装置 (1),用于根据操作条件(Ne,Qa和Pf)控制燃料调节器装置和喷射器驱动装置,其中,喷射控制装置包括用于设定用于控制驱动时间的激励时间的喷射定时器(13) 用于通过控制电磁线圈的励磁电流和激励时间来打开阀体,用于馈送过励磁电流的过励磁定时器(14)和用于可变地设定过励磁电流的过激励周期控制单元(15) 过励磁定时器的初始计数值取决于燃料压力,并且其中过激励时段可变地设定为随燃料压力增加而增加的最小要求极限。