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    • 10. 发明授权
    • Single screw carburetor
    • 单螺杆化油器
    • US6123322A
    • 2000-09-26
    • US97956
    • 1998-06-16
    • Hidenori Sasaki
    • Hidenori Sasaki
    • F02M3/08F02M3/10F02M17/04F02M19/02F02M19/025
    • F02M19/02F02M17/04F02M3/10Y10S261/39Y10S261/68Y10S261/84
    • A carburetor having an idle nozzle and a main nozzle each with a fixed flow area and an idle speed single adjustment screw adjustable by the user. The idle and high speed fuel flows are controlled by the idle nozzle and the main nozzle, respectively. The user can adjust the engine speed only by adjustment of the idle speed adjustment screw which changes the position of the carburetor throttle valve to control the flow through the carburetor. This provides a more consistent fuel and air mixture to improve the performance of the engine and better control engine emissions by preventing the user from changing the fuel and air ratio to a mixture which is either too lean or too rich for the steady and low level exhaust emission operation of the engine.
    • 具有怠速喷嘴的化油器和各自具有固定流动面积的主喷嘴和用户可调节的怠速单次调节螺钉。 怠速和高速燃料流量分别由怠速喷嘴和主喷嘴控制。 用户只能通过调节怠速调节螺丝来调节发动机转速,从而改变化油器节流阀的位置,以控制通过化油器的流量。 这提供了更一致的燃料和空气混合物以改善发动机的性能并且通过防止使用者将燃料和空气比改变为对于稳定和低水平排气来说太稀或太浓的混合物来更好地控制发动机排放 发动机的排放作业。