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    • 1. 发明授权
    • Fuel supply systems
    • 燃油供应系统
    • US07909023B2
    • 2011-03-22
    • US12258636
    • 2008-10-27
    • Tsuneaki Aoki
    • Tsuneaki Aoki
    • F02M33/08F02M37/04
    • F02M37/025F02M37/0029F02M37/0058F02M37/106F02M37/20
    • A fuel supply system that includes a fuel pump, a jet pump, a first device and a second device. The fuel pump has a first port, a second port and a third port. Each of the first and second ports is configured to discharge a pressurized fuel. The third port is configured to discharge a fuel vapor that may be produced within the fuel pump. The first port is coupled to an engine via a fuel supply passage. The first device is coupled between the second port and the jet pump and is operable to permit and prevent the supply of the pressurized fuel to the jet pump. The second device is coupled to the third port and is operable to permit and prevent the discharge of the fuel vapor to the outside of the second device.
    • 一种燃料供给系统,包括燃料泵,喷射泵,第一装置和第二装置。 燃料泵具有第一端口,第二端口和第三端口。 第一和第二端口中的每一个构造成排出加压燃料。 第三端口构造成排出可能在燃料泵内产生的燃料蒸气。 第一端口经由燃料供给通道联接到发动机。 第一装置联接在第二端口和喷射泵之间,并且可操作以允许和防止向喷射泵供应加压燃料。 第二装置联接到第三端口并且可操作以允许和防止燃料蒸气排放到第二装置的外部。
    • 2. 发明申请
    • Fuel injectors
    • 燃油喷射器
    • US20060027682A1
    • 2006-02-09
    • US11175276
    • 2005-07-07
    • Tsuneaki AokiToshiro Makimura
    • Tsuneaki AokiToshiro Makimura
    • F02M47/02F02M63/00F02M51/00F02M59/00
    • F02M51/0682F02M2200/30F02M2200/306
    • The fuel injector may comprise a valve (25) body, a valve (25) seat, a core (21), and a valve (25). The valve (25) body may have a fuel path. The valve (25) seat may be attached to the downstream end of the valve (25) body and have a fuel injection hole. The core (21) may be attached to the valve (25) body. The valve (25) may be slidably disposed within the valve (25) body and be able to reciprocate between an open position and a closed position. The valve (25) may have an armature on one end and a ball on the other end. The upstream end surface of the armature contacts with the downstream end surface of the core (21) when the valve (25) is in the open position. The ball closes off the fuel injection hole in the valve (25) seat when the valve (25) is in the closed position. At least one of the upstream end surface of the armature or the downstream end surface of the core (21) may be partially plated, and recesses and protrusions are preferably formed by the plated regions and the non-plated regions.
    • 燃料喷射器可以包括阀(25)主体,阀(25)座,芯(21)和阀(25)。 阀(25)主体可以具有燃料通路。 阀(25)座可以附接到阀(25)主体的下游端并具有燃料喷射孔。 芯(21)可以附接到阀(25)主体。 阀(25)可以可滑动地设置在阀(25)主体内并且能够在打开位置和关闭位置之间往复运动。 阀(25)可以在一端具有电枢,另一端可以具有球。 当阀(25)处于打开位置时,电枢的上游端表面与芯(21)的下游端表面接触。 当阀(25)处于关闭位置时,球关闭阀(25)座中的燃料喷射孔。 电枢的上游端面或芯部(21)的下游侧端面中的至少一方可以是部分电镀的,凹部和凸部优选地由电镀区域和非电镀区域形成。
    • 3. 发明授权
    • Driving circuitry for electromagnetic fuel injection valve
    • 电磁燃油喷射阀驱动电路
    • US06712048B2
    • 2004-03-30
    • US10152131
    • 2002-05-21
    • Tsuneaki AokiAtsushi OkadaKazuhiro Yoneshige
    • Tsuneaki AokiAtsushi OkadaKazuhiro Yoneshige
    • F02M5100
    • F02D41/40F02D41/20F02D41/38F02D2041/2003F02D2041/2006F02D2041/2013F02D2041/2051F02D2041/2058F02D2041/2075F02D2200/0602Y02T10/44
    • Driving circuitry for an electromagnetic fuel injection valve in which the holding current value is made variable to obtain a minimum necessary holding force from the holding current according to the fuel pressure includes a solenoid for driving the fuel injection valve, a capacitor charged by a high-voltage charge control part, a switch circuit for on-off controlling a high-voltage current supplied from the capacitor to the solenoid in response to an injection command signal, and a holding current supply circuit for supplying a holding current from the power supply to the solenoid. When the holding current is supplied, a comparator circuit compares a voltage obtained by converting the value of electric current flowing through the solenoid by a resistor for detection and a voltage corresponding to a fuel pressure sensor signal, and the value of the holding current is varied according to an output signal from the comparator circuit.
    • 用于根据燃料压力使保持电流值变化以从保持电流获得最小必要保持力的电磁燃料喷射阀的驱动电路包括用于驱动燃料喷射阀的螺线管, 电压充电控制部分,用于响应于注入命令信号而从电容器向螺线管提供的高压电流的开关控制开关电路,以及保持电流供应电路,用于将电源从电源提供给 螺线管 当提供保持电流时,比较器电路将通过将通过螺线管的电流值转换为通过用于检测的电阻器的电压和对应于燃料压力传感器信号的电压获得的电压进行比较,并且保持电流的值变化 根据比较器电路的输出信号。
    • 7. 发明授权
    • Fuel injector
    • 喷油器
    • US5085369A
    • 1992-02-04
    • US606904
    • 1990-10-31
    • Tsuneaki AokiToshiro MakimuraKaneo Imamura
    • Tsuneaki AokiToshiro MakimuraKaneo Imamura
    • F02M51/06F02M51/08F02M61/18F02M69/04
    • F02M69/04F02M51/0675F02M61/18F02M69/045F02M2051/08
    • A fuel injector including a valve housing having a fuel injection hole formed at a front end of the valve housing; a valve movably provided int he valve housing so as to open and close the fuel injection hole; a nozzle fixedly mounted to a front end of the valve housing; and a fuel colliding member provided in the nozzle and positioned in alignment with the fuel injection hole in front thereof. A size of the fuel colliding member is smaller in cross section perpendicular to an axis of the fuel injector than that of the fuel injection hole. Accordingly, a radially inside part of a columnar fuel after collision with the fuel colliding member further collides with a radially outside part of the columnar fuel passing outside the fuel colliding member to accelerate atomization of the fuel without reducing a velocity of flow of the fuel.
    • 一种燃料喷射器,包括具有形成在所述阀壳体的前端处的燃料喷射孔的阀壳体; 可移动地设置在阀壳体上以便打开和关闭燃料喷射孔的阀; 固定地安装在阀壳体前端的喷嘴; 以及燃料碰撞构件,其设置在所述喷嘴中并且与其前面的燃料喷射孔对准地定位。 燃料碰撞构件的尺寸在垂直于燃料喷射器的轴线的横截面上小于燃料喷射孔的尺寸。 因此,与燃料碰撞构件碰撞之后的柱状燃料的径向内部部分进一步与通过燃料碰撞构件外部的柱状燃料的径向外部部分碰撞,以加速燃料的雾化,而不会降低燃料的流动速度。
    • 9. 发明授权
    • Fuel supply systems
    • 燃油供应系统
    • US07717091B2
    • 2010-05-18
    • US12145088
    • 2008-06-24
    • Tsuneaki AokiKeiso Takeda
    • Tsuneaki AokiKeiso Takeda
    • F02M37/00
    • F02M37/0029F02M37/0052F02M37/10Y10T137/0352
    • A fuel supply system includes a pressure regulator (16) regulating the pressure of fuel supplied from a fuel pump (14). A valve device (18) is associated with the pressure regulator (16) for controlling the pressure of the fuel regulated by the pressure regulator (16). The valve device (18) supplies a part of the fuel as a control fluid to the pressure regulator (16). The part of the fuel supplied from the valve device (18) as the control fluid is not discharged into a fuel tank (12) when the pressure regulator (16) regulates the pressure of the fuel to have a higher value.
    • 燃料供给系统包括调节从燃料泵(14)供给的燃料的压力的压力调节器(16)。 阀装置(18)与用于控制由压力​​调节器(16)调节的燃料的压力的压力调节器(16)相关联。 阀装置(18)将作为控制流体的燃料的一部分供应到压力调节器(16)。 当压力调节器(16)调节燃料的压力以具有更高的值时,作为控制流体的从阀装置(18)供应的燃料的一部分不被排放到燃料箱(12)中。