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    • 7. 发明授权
    • Internal combustion engine
    • 内燃机
    • US4378003A
    • 1983-03-29
    • US225816
    • 1981-01-16
    • Yoshio Imamura
    • Yoshio Imamura
    • F02B75/00F01N13/20F02D9/04F02D21/10F02M23/04F02M25/07F02M25/06
    • F02D9/04F02M26/01F02M26/615Y02T10/14
    • An internal combustion engine having first valve means disposed in the exhaust system and adapted to impart a resistance to the flow of exhaust gas to control the flow rate of the latter, and second valve means provided in the intake passage of said engine and adapted to introduce fresh air to the intake passage when r.p.m. of the engine has reached a predetermined value. During operation of the engine, a part of the exhaust gas is made to return into the combustion chamber due to the resistance imparted by the first valve means, and the unburned hydrocarbons in the exhaust gas returned to the combustion chamber are efficiently burned by the presence of fresh air which is introduced through the second valve means. Thus an improved internal combustion engine which can operate at a much improved fuel economy and which can minimize the emission of unburned hydrocarbons to the atmosphere is obtained.
    • 一种内燃机,其具有设置在所述排气系统中的第一阀装置,其适于赋予废气流阻力以控制其的流量,以及设置在所述发动机的进气通道中的第二阀装置, 新鲜空气进入通道时转速 的发动机已经达到预定值。 在发动机运转期间,由于第一阀装置产生的阻力使一部分废气返回到燃烧室中,并且返回到燃烧室的废气中的未燃碳氢化合物被存在 通过第二阀装置引入的新鲜空气。 因此,可获得改进的内燃机,其能够以大大改善的燃料经济性运行并且可以将未燃烧的烃的排放最小化到大气中。
    • 8. 发明授权
    • Ignition plug
    • 点火塞
    • US4202307A
    • 1980-05-13
    • US957157
    • 1978-11-02
    • Yoshio Imamura
    • Yoshio Imamura
    • F02B1/04F02B23/08F02B29/00F02P13/00H01T13/08H01T13/14F02P23/00
    • H01T13/08F02P13/00F02B1/04
    • An ignition plug for an internal combustion engine which comprises a hollow cylindrical main body having one externally threaded end portion and the other end portion in the form of a nut, said threaded end portion being provided with jet orifices, air guide grooves and a communication groove; a tubular anode member having an insulation body and extending through said main body; a center electrode extending through said insulation body; and a check valve assembly mounted about the intermediate portion between the two end portions of the main body, said valve assembly comprising a ring-shaped valve housing having a tapered seat face and air intake bores and a ring-shaped valve body reciprocally received in said valve housing and having a matingly tapered outer surface for opening and closing said air intake bores in the valve housing.
    • 一种用于内燃机的火花塞,其包括具有一个外螺纹端部的中空圆柱形主体和呈螺母形式的另一端部,所述螺纹端部设置有喷射孔,导气槽和连通槽 ; 具有绝缘体并延伸穿过所述主体的管状阳极部件; 延伸穿过所述绝缘体的中心电极; 以及安装在所述主体的两个端部之间的所述中间部分周围的止回阀组件,所述阀组件包括具有锥形座面和进气孔的环形阀壳体和在所述主体中相互接收的环形阀体 阀壳体并且具有配合的锥形外表面,用于打开和关闭阀壳体中的所述进气孔。