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    • 3. 发明授权
    • Fuel injection system
    • 燃油喷射系统
    • US4467766A
    • 1984-08-28
    • US500047
    • 1983-06-01
    • Michael Wissmann
    • Michael Wissmann
    • F02M69/54F02M69/26F02M69/28F02M39/00
    • F02M69/28F02M69/26
    • A fuel injection system is proposed which is triggerable in such a way that in the presence of control signals, in particular those characterizing engine overrunning, the fuel injection is interrupted. The fuel injection system includes metering valves to each of which one regulating valve is assigned, the valves each having a movable valve element which can be subjected on the one hand to the fuel pressure downstream of the respective metering valve and a spring and on the other hand to the pressure in a control pressure line. In the fuel supply line a pressure-reduction valve is provided upstream of the metering valve. During engine overrunning, the fuel pressure in the control pressure line is controllable by means of an electromagnetic valve in such a way that the fuel pressure in the control pressure line increases and the regulating valves close as a result of which the fuel injection is interrupted.
    • 提出了一种燃料喷射系统,其可触发,使得在存在控制信号的情况下,特别是那些表征发动机超速运行的燃料喷射系统中,燃料喷射被中断。 燃料喷射系统包括计量阀,其中分配有一个调节阀,每个阀具有可移动阀元件,该可动阀元件一方面可以经受相应计量阀下游的燃料压力和一个弹簧,另一个 手压到控制压力线。 在燃料供给管路中,在计量阀的上游设有减压阀。 在发动机超速期间,控制压力线路中的燃料压力可以通过电磁阀来控制,使得控制压力管线中的燃料压力增加,并且调节阀关闭,结果燃料喷射被中断。
    • 5. 发明授权
    • Charge forming system for internal combustion engines
    • 内燃机充气成型系统
    • US4015572A
    • 1977-04-05
    • US647326
    • 1976-01-07
    • Ervin LeshnerMichael D. Leshner
    • Ervin LeshnerMichael D. Leshner
    • F02M69/18F02M69/28F02M7/18F02B3/02F02B17/00
    • F02M69/28F02M69/18
    • An improved charge forming system for an internal combustion engine. Fuel and air are metered to the engine as functions of both operator control and manifested engine power output. The incremental changes in fuel flow and air flow which are effected as a result of changes in engine power output are unequal so that the total fuel-air mix ingested by the engine becomes leaner as engine power increases. When the fuel-air mixture becomes so lean that engine power decreases, the charge forming system enriches the mixture so that the system maximizes engine power for any given rate of fuel flow. In a presently preferred embodiment the fuel-air ratio supplied to the engine is leaner than the stoichiometric mixture.
    • 一种用于内燃机的改进的电荷形成系统。 燃油和空气计量到发动机,作为操作员控制和显示发动机功率输出的功能。 由于发动机功率输出的变化而影响的燃料流量和空气流量的增量变化是不相等的,使得当发动机功率增加时,由发动机摄入的总燃料 - 空气混合物变得更稀。 当燃料 - 空气混合物变得如此稀薄以致发动机功率降低时,电荷形成系统丰富了混合物,使得系统使任何给定速率的燃料流量的发动机功率最大化。 在目前优选的实施例中,供给发动机的燃料 - 空气比比化学计量混合物更稀。