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    • 2. 发明授权
    • Fuel/air mixture supply system with additional air supply
    • 燃油/空气混合物供应系统带有额外的空气供应
    • US4347816A
    • 1982-09-07
    • US104702
    • 1979-12-17
    • Masaaki SaitoYoshihisa KawamuraYuko SugoMitsumasa Inoue
    • Masaaki SaitoYoshihisa KawamuraYuko SugoMitsumasa Inoue
    • F02B27/00F02B31/00F02M29/00F02M35/10F02M35/108F02M69/00F02M69/04F02B15/00
    • F02M35/10183F02M35/10216F02M35/108F02M69/044
    • Disclosed is a fuel/air mixture supply system for an internal combustion engine of the single-point fuel injection type wherein, the intake manifold system is formed with a first fuel/air supply passage which inspires atmospheric air and which has fitted generally at a midpoint thereof a fuel injection valve which injects fuel into the inspired air. The fuel/air mixture then proceeds to a first set of branched passages, each one of which conducts the fuel/air mixture to a cylinder of the engine. Further, there is provided a second air supply passage which inspires atmospheric air and which branches into a second set of branched passages, each one of which conducts air to a cylinder of the engine. The first fuel/air supply passage is smaller than the second air supply passage, and the first set of branched passages are smaller than the second set of branched passages. The flow of air/fuel mixture in the first fuel/air supply passage is controlled by a first throttle valve, and the flow of air in the second air supply passage and/or the second branched passages is controlled by a regulating means responsive to the operation of the first throttle valve, so as to be substantially zero when the first throttle valve is open an amount less than a certain predetermined amount, while, when the first throttle valve is opened greater than the certain predetermined amount, the flow is progressively increased.
    • 公开了一种用于单点燃料喷射型内燃机的燃料/空气混合物供应系统,其中,进气歧管系统形成有第一燃料/空气供应通道,该燃料/空气供应通道启发大气空气,并​​且其总体上适合于中点 燃料喷射阀,其将燃料喷射到启发的空气中。 燃料/空气混合物然后进入第一组分支通道,其中每一个将燃料/空气混合物导引到发动机的气缸。 此外,设置有第二空气供应通道,其鼓励大气空气并且分支成第二组分支通道,每个分支通道将空气传导到发动机的气缸。 第一燃料/空气供给通道小于第二供气通道,第一组分支通道小于第二组分支通道。 第一燃料/空气供给通道中的空气/燃料混合物的流动由第一节流阀控制,第二空气供应通道和/或第二分支通道中的空气流由一个调节装置控制, 第一节流阀的操作,当第一节流阀打开小于一定的预定量的量时,基本上为零,而当第一节流阀打开大于某一预定量时,流量逐渐增加 。
    • 3. 发明授权
    • Fuel injection valve drive system
    • 燃油喷射阀驱动系统
    • US4345564A
    • 1982-08-24
    • US107832
    • 1979-12-28
    • Yoshihisa KawamuraKesao MatsutoMasaaki Saito
    • Yoshihisa KawamuraKesao MatsutoMasaaki Saito
    • F02D41/20F02D5/02H01F7/18
    • F02D41/20F02D2041/2017F02D41/187
    • A fuel injection valve drive system is disclosed for use in an internal combustion engine including at least one solenoid operated fuel injection valve. The system comprises a first pulse generator for providing, in synchronism with rotation of the engine, a first pulse signal having a constant pulse width, a second pulse generator for providing a second pulse signal of pulse width dependent upon the amount of air introduced to the engine, first switch means responsive to a first pulse signal for allowing small current to flow through the solenoid coil of the fuel injection valve so as not to open the fuel injection valve, and second switch means responsive to a second pulse signal for allowing large current to flow through the solenoid coil so as to open the fuel injection valve. Means are provided for causing the second pulse generator to generate a second pulse signal a time after the first pulse generator generates a first pulse signal.
    • 公开了一种用于包括至少一个螺线管操作燃料喷射阀的内燃机中的燃料喷射阀驱动系统。 该系统包括:第一脉冲发生器,用于与发动机的旋转同步地提供具有恒定脉冲宽度的第一脉冲信号;第二脉冲发生器,用于提供脉冲宽度的第二脉冲信号,取决于引入到 发动机,第一开关装置响应于第一脉冲信号,以允许小电流流过燃料喷射阀的螺线管线圈,以便不打开燃料喷射阀,第二开关装置响应第二脉冲信号以允许大电流 流过电磁线圈以打开燃料喷射阀。 提供了用于使第二脉冲发生器在第一脉冲发生器产生第一脉冲信号之后的时间产生第二脉冲信号的装置。
    • 4. 发明授权
    • Fuel supplying device for internal combustion engine
    • 内燃机燃油供应装置
    • US4211191A
    • 1980-07-08
    • US940096
    • 1978-09-06
    • Yoshihisa KawamuraMasaaki Saito
    • Yoshihisa KawamuraMasaaki Saito
    • F02M23/12F02D3/00F02M69/00F02M69/04F02M69/32F02B19/10F02B75/18
    • F02M69/044F02M69/32
    • The invention relates to a fuel supplying device for an internal combustion engine. A fuel supplying device for an internal combustion engine includes a fuel injector for injecting fuel into a collector or riser section of an intake manifold from which a plurality of branches extend toward cylinders of the engine. According to the invention, an induction passage is bent or provided with an elbow so that induction air will change its direction toward a heated bottom wall of the riser section before entering the same and the fuel injector is arranged so as to inject fuel toward the bottom wall and radially inwardly into a flow of induction air passing through the induction passage. With this the amount of fuel flowing along the riser walls has been considerably reduced, thus enhancing the response characteristics.
    • 本发明涉及一种用于内燃机的燃料供应装置。 用于内燃机的燃料供应装置包括燃料喷射器,用于将燃料喷射到进气歧管的收集器或立管部分中,多个分支从该进气歧管向立管部分延伸到发动机的气缸。 根据本发明,诱导通道弯曲或设置有弯头,使得感应空气在进入其之前将朝着提升管部分的加热底壁改变其方向,并且燃料喷射器被布置成朝向底部喷射燃料 并且径向向内流入通过该通道的感应空气流。 由此,沿着立管壁流动的燃料量已经大大降低,从而增强了响应特性。