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    • 10. 发明公开
    • Apparatus for controlling fluid flow at an orifice
    • Vorrichtungfürdie Steuerung des Durchflusses durch eineÖffnung。
    • EP0034936A1
    • 1981-09-02
    • EP81300737.4
    • 1981-02-23
    • CTS Corporation
    • Lloyd, Charles F.Zalewski, Z. LeoBrendle, Paul C.
    • F02M17/38F02M7/12F02M7/24F02M23/04
    • F02D41/26F02D41/1484F02M3/09F02M7/20
    • Control apparatus, typically for carburettors, which comprises an actuator device (20) having a permanent magnet armature and a pair of coils surrounding the permanent magnet, and a microprocessor (18) responsive to certain parameter-sensed variables including pressure (12), temperature (14), throttle conditions (16) and oxygen content (10) in order that these variously sensed parameters can be com- municatedtothe microprocessor wherein there is transduced by algorithm either a digital signal or an analog signal. The digital or analog signal is then fed to the actuator device in the form of a demand signal for currentflowto the armature coils. The coils upon energisation mechanically displace the arma- tureto effect mechanical transducing ofthe electrical signal to control an actuator rod effecting orifice control. The armature thus effectively controls the orifice size, which in turn determines fuel/air ratio for an internal combustion engine, in conjunction with a carburettor function. Fuel-air control creates operating conditions which in turn are re-sensed by the sensors, the sensors in turn repeating their operation so that there is provided a closed loop servo system either by digital oranalog signals.
    • 控制装置,通常用于化油器,其包括具有永磁体电枢的致动器装置(20)和围绕永磁体的一对线圈;以及响应于某些参数检测变量的微处理器(18),包括压力(12),温度 (14),节气门条件(16)和氧气含量(10),以便将这些各种感测的参数传送到微处理器,其中由数字信号或模拟信号的算法转换。 数字或模拟信号然后以需求信号的形式被馈送到致动器装置,用于流向电枢线圈的电流。 通电时的线圈将电枢机械地移位以实现电信号的机械传感,以控制致动器杆实现孔口控制。 因此,@电枢@因此有效地控制孔口尺寸,这进而决定了内燃机的燃料/空气比与化油器功能的关系。 燃料空气控制产生操作条件,这些操作条件又由传感器重新感测,传感器又重复其操作,从而通过数字或模拟信号提供闭环伺服系统。