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    • 95. 发明专利
    • Well recovery device for engine
    • 良好的发动机回收装置
    • JPS6153452A
    • 1986-03-17
    • JP17380784
    • 1984-08-21
    • Suzuki Motor Co Ltd
    • YAMAGATA TAKASHI
    • F02M33/02F02M33/04
    • F02M33/04
    • PURPOSE:To prevent the occurrence of such a case that fuel being lack of atomization flows into a suction hole and thereby a misfire happens, by installing a concave part in the underside of a suction pipe lying between the suction hole of an engine and a carburetor, while connecting a main well to it, and installing a check valve, which opens or closes by negative pressure, in this main well. CONSTITUTION:Usually, a check valve 8 is pressed to the lower side by a spring and opens the upper side instead. When such fuel as being lack of atomization comes to flow in from a carburetor 3, this fuel is led into a concave part 5 and collected inside a main well 6. On the other hand, when large negative pressure occurs in a suction pipe 2, the check valve 8 is pulled upward against a spring, and the upper side is closed, while the lower side is opened instead. At this time, the main well 6 is opened to the atmosphere with a pipe 13, and fuel inside the main well 6 is recovered to the inlet side of the carburetor 3 or inside an air cleaner 4. And, it is connected to a starter passage 12 and used for a part of starter fuel. With this constitution, a possibility of making the fuel flow into a suction hole 1 as being left in live gas intact is precented from occurring, thus a problem on a misfire is solved.
    • 目的:为了防止发生没有雾化的燃料流入吸入孔,从而发生失火,通过在位于发动机的吸入孔和化油器之间的吸入管的下侧设置凹部 同时连接主井,并在该主井中安装一个负压打开或关闭的止回阀。 构成:通常,止回阀8被弹簧按压到下侧,而是打开上侧。 当没有雾化的燃料从化油器3流入时,该燃料被引入凹部5并收集在主井6内。另一方面,当在吸入管2中发生大的负压时, 止回阀8相对于弹簧被向上拉动,并且上侧被封闭,而下侧被打开。 此时,主井6利用管道13向大气敞开,主井6内的燃料回收到化油器3的入口侧或空气净化器4内部。并且连接到起动器 通道12,用于启动燃料的一部分。 利用这种构造,由于发生使得燃料流入吸入孔1的可能性被保持在活的气体中,所以发生了失火的问题。