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    • 1. 发明授权
    • Fuel-metering unit for internal combustion engines
    • 内燃机燃油计量装置
    • US3927649A
    • 1975-12-23
    • US37082673
    • 1973-06-18
    • BOSCH GMBH ROBERT
    • STUMPP GERHARD
    • F02D41/14F02D3/00F02D3/02F02D9/00F02M7/12F02M23/04F02M69/00F02M69/32F02M7/00
    • F02M69/32F02D9/00F02D2700/09
    • A fuel-metering unit adapted for use in an internal combustion engine having an exhaust pipe is described which unit comprises an air-intake suction tube, a randomly adjustable throttle valve therein, an air-measuring device mounted in the suction tube upstream of the throttle valve, by-pass means connected with the suction tube and bypassing the air-measuring device and means for metering fuel in amounts substantially proportional to the amount of air flowing through the suction tube. This unit is improved by providing control valve means associated with the by-pass means and adapted for controlling the by-pass means and thereby varying the proportionality of fuel and air in dependence on characteristic engine data, and by providing an exhaust gasmeasuring probe adapted for mounting in the exhaust pipe of the engine and adapted for controlling the control valve means.
    • 描述了一种适用于具有排气管的内燃机的燃料计量单元,其单元包括进气抽吸管,其中可随意调节的节流阀,安装在节气门上游的吸入管中的空气测量装置 阀旁路装置与抽吸管连接并绕过空气测量装置,并且用于以与流过吸管的空气量大致成比例的量计量燃料的装置。 通过提供与旁路装置相关联的控制阀装置并适于控制旁路装置,从而根据特征发动机数据改变燃料和空气的比例,并且通过提供排气测量探针来改进该装置 适于安装在发动机的排气管中并且适于控制控制阀装置。
    • 3. 发明授权
    • Fuel injection system especially for cold starting and warming up externally ignited internal combustion engines
    • 燃油喷射系统,特别适用于冷启动和升温外部点燃的内燃机
    • US3868939A
    • 1975-03-04
    • US33757173
    • 1973-03-02
    • BOSCH GMBH ROBERT
    • FRIESE KARL-HERMANNMICHEL FRIEDBERTKRAUSS RUDOLFJAGGLE GUNTHERSTUMPP GERHARDSTEINER JOSEFKNAPP HEINRICH
    • F02D41/34F02D3/04F02M31/125F02M53/04F02M53/06F02N99/00F02B3/00
    • F02M53/06C09J7/10F02M53/04F02M2700/077
    • An improved fuel injection system in an internal combustion engine is described, wherein the system has a discharge outlet for fuel to be injected and brought to a combustion space of the engine, an electrical heating element for heating the fuel directly upstream of the discharge outlet, a fuel entry structure for feeding fuel to the heating element and temperature control structure for controlling the heating by the heating element, at engine temperatures below the optimal operational engine temperature and as a function of engine temperatures influencing the formation of the fuel-air mixture in the combustion space, the fuel being heated to such a degree that the preponderant portion of the amount of fuel to be injected is converted to the gaseous phase not later than immediately after leaving the discharge outlet, and wherein the improvement comprises an internal space in the system, adapted for the flow of fuel therethrough and extending from the fuel entry structure to the discharge outlet, which space is laid out for the smallest fuel volume possible, but in any event has a volume smaller than the volume of fuel injectable during about eight work cycles of the engine while the latter is idling.
    • 本发明描述了一种改进的内燃机燃油喷射系统,其特征在于,该系统具有用于喷射燃料的排出口,并将其送至发动机的燃烧空间;电加热元件,用于直接在排出口上游加热燃料; 用于将燃料供给到加热元件的燃料入口结构和用于控制加热元件的加热的温度控制结构,在低于最佳操作发动机温度的发动机温度下,并且作为影响燃料 - 空气混合物形成的发动机温度的函数 燃烧空间,燃料被加热到这样的程度,使得要喷射的燃料量的主要部分不迟于离开排放出口之后立即转化为气相,并且其中改进包括在内部空间 系统,适于燃料流动并从燃料进入结构延伸到排出口 该空间布置在尽可能小的燃料体积上,但在任何情况下,其体积小于在发动机的大约八个工作循环期间可喷射的燃料的体积,而后者处于空转状态。
    • 5. 发明授权
    • Apparatus for the interruption of fuel supply in an internal combustion engine
    • 用于中断内燃机燃料供应的装置
    • US3897771A
    • 1975-08-05
    • US40290173
    • 1973-10-02
    • BOSCH GMBH ROBERT
    • STUMPP GERHARD
    • F02D41/18F02D3/00F02D17/04F02M37/04F02M69/14F02M69/28F02B77/08
    • F02M69/28
    • An apparatus for interruption of fuel supply in an internal combustion engine, during non-operation of the engine, includes a battery-operated fuel supply mechanism. The fuel supply mechanism operates independently of the engine. An ignition switch is operatively arranged to separate the fuel supply mechanism from the engine. An air-quantity measuring device is disposed within the suction tube of the internal combustion engine. The measuring device is operatively arranged to close an electrical contact when in its rest position. In that position and whenever the ignition switch is also closed, a current path is completed between the battery and a relay which is biased mechanically by a spring. Whenever the relay is not energized and the ignition switch is also closed, a current circuit is completed between the battery and the fuel supply mechanism to effect delivery of the fuel to the engine.
    • 一种内燃机的燃料供给中断装置,在发动机不运转时,具备电池供电机构。 燃料供应机构独立于发动机运行。 点火开关可操作地布置成将燃料供应机构与发动机分离。 空气量测量装置设置在内燃机的吸入管内。 测量装置可操作地布置成在处于其静止位置时闭合电接触。 在该位置,并且每当点火开关也闭合时,在电池和由弹簧机械地偏置的继电器之间完成电流路径。 每当继电器通电并且点火开关也闭合时,在电池和燃料供给机构之间完成电流回路,以实现燃料向发动机的输送。