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    • 8. 发明授权
    • Internal combustion engine
    • 内燃机
    • US4428347A
    • 1984-01-31
    • US236508
    • 1981-02-20
    • Jorg AbthoffHans-Dieter SchusterHans-Joachim LangerChristoph Noller
    • Jorg AbthoffHans-Dieter SchusterHans-Joachim LangerChristoph Noller
    • F02D41/14F02M69/14F02M69/26F02M69/38F02N99/00F02M39/00
    • F02N19/001F02M69/26F02M69/386
    • A fuel-injected internal combustion engine wherein fuel is injected in dependence upon a quantity or volume of air supplied to the engine. A throttle valve controls the airflow rate with an O.sub.2 probe, arranged in an exhaust manifold, controlling a timing valve through a control device for enabling a timed relief of injection pressure of the fuel. An ignition starter switch is connected to the control device in such a manner that the timing valve is fully open during an operation of the ignition starter switch so as to enable a starting boost. An adjustable timing member is coupled to an operating switch provided in the control device, which operating switch closes automatically after a termination of the starting process. The timing member maintains the timing valve in a fully open position during a specific time span so as to provide for an after-start boost. An additional timing member is adapted to maintain the timing valve in a fully open position during a short time span so as to enable an acceleration enrichment. The control device renders the start boost, after-start boost, and acceleration enrichment ineffective upon the probe reaching its normal operating temperature.
    • 燃料喷射的内燃机,其中根据供应给发动机的空气的量或体积喷射燃料。 节流阀通过配置在排气歧管中的O2探头来控制气流速度,通过控制装置控制定时阀,以便定时释放燃料的喷射压力。 点火开关开关以控制装置的方式连接到控制装置,使得定时阀在点火起动开关操作期间完全打开,以便启动增压。 可调定时构件联接到设置在控制装置中的操作开关,该操作开关在起动过程终止之后自动关闭。 正时构件在特定时间跨度内将定时阀保持在完全打开位置,以便提供后启动增压。 附加的定时构件适于在短时间段内将定时阀保持在完全打开位置,以便能够加速富集。 控制装置提供启动升压,启动后升压和加速浓缩对探头达到正常工作温度无效。
    • 9. 发明授权
    • Fuel injection system for a mixture-compressing spark ignition
internal-combustion engine
    • 用于混合压缩火花点火内燃机的燃油喷射系统
    • US4621604A
    • 1986-11-11
    • US717008
    • 1985-03-28
    • Jorg AbthoffHans-Dieter SchusterKarlwalter Schmidt
    • Jorg AbthoffHans-Dieter SchusterKarlwalter Schmidt
    • F02D3/00F02M69/00F02M69/52F02M39/00
    • F02M69/52
    • A fuel injection system for a mixture-compressing spark ignition internal-combustion engine has a fuel-metering device having a housing with a control cylinder arranged therein, a control piston having at least two control edges being rotatably and longitudinally slidably arranged in said control cylinder. One front surface of said control piston is acted upon by fuel and its other front surface interacts with a pressure spring. Between the control edges, the control piston is equipped with a control space area. The housing has an inflow opening for a fuel inflow pipe, an outflow opening for a fuel return flow pipe in which a pressure regulating valve is arranged, and an outflow opening assigned to a fuel injection nozzle. The outflow opening connected with a control opening in the control cylinder interacts with the control edges. The control space area has at least one recess at the control piston having a circular-arc-shaped area segment forming the control edges in order to provide a fuel injection system having a fuel-metering device of the initially mentioned type which is simple to manufacture and easy to assemble, exhibits high operational reliability and ensures an exact metering of fuel. The axis of said area segment extends transversely to the control piston axis and starts from the circumferential area of the control piston in a concavely curved manner extends into the control piston. The control piston has an axial flow-through bore equipped with a throttle downstream from the recess. The fuel passes through said flow-through bore from the inflow opening of the housing to the recess and to the outflow opening of the housing.
    • 一种用于混合压缩火花点火内燃机的燃料喷射系统具有燃料计量装置,其具有设置有控制气缸的壳体,控制活塞具有至少两个控制边缘,所述控制活塞具有至少两个控制边缘, 。 所述控制活塞的一个前表面被燃料作用,并且其另一个前表面与压力弹簧相互作用。 在控制边缘之间,控制活塞配备有控制空间区域。 壳体具有用于燃料流入管的流入开口,布置有压力调节阀的燃料返回流量管的流出开口和分配给燃料喷射喷嘴的流出开口。 与控制气缸中的控制开口连接的流出口与控制边缘相互作用。 控制空间区域在控制活塞处具有至少一个凹部,其具有形成控制边缘的圆弧形区域段,以便提供具有简单制造的初始类型的燃料计量装置的燃料喷射系统 易于组装,操作可靠性高,确保精确计量燃油。 所述区域段的轴线横向于控制活塞轴线延伸,并且从控制活塞的圆周区域开始以凹曲的方式延伸到控制活塞中。 控制活塞具有在凹部下游具有节流阀的轴向流通孔。 燃料通过所述流通孔从壳体的流入开口到达凹部和壳体的流出开口。