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    • 3. 发明授权
    • Vaporized fuel control valve for fuel tank of internal combustion engine
    • 内燃机燃油箱汽化燃油控制阀
    • US5680848A
    • 1997-10-28
    • US684620
    • 1996-07-22
    • Takaaki KatohTakeshi SuzukiMasaaki HoriuchiTakeaki NakajimaKoichi Hidano
    • Takaaki KatohTakeshi SuzukiMasaaki HoriuchiTakeaki NakajimaKoichi Hidano
    • B60K15/077B60K15/035F02M25/08F02M37/00F02M33/02
    • B60K15/03519B60K15/03504B60K2015/03236B60K2015/03576Y10T137/8122Y10T137/86324
    • A vaporized fuel control valve for a fuel tank containing fuel to be supplied to an internal combustion engine, having a casing fastened to an upper surface of the fuel tank, and a float valve is housed in the casing such that it moves upward toward a seat in response to fuel level in the fuel tank. A diaphragm valve having a diaphragm is placed in the casing above the float valve for separating an interior of the casing to a first chamber communicating with a filler pipe of the fuel tank, and a second chamber communicating with the fuel tank through the float valve. The diaphragm valve opens to connect the second chamber with a canister such that vaporized fuel forced out of the fuel tank flows along a path through the float valve to the canister when the first chamber is supplied with atmospheric pressure, unless the float valve seats on the seat. In the valve, an intercepter such as a filter is placed in the path to intercept a fuel spray produced due to an impact when the float valve has seated on the seat, so as the fuel spray not to adhere to the diaphragm. As the interceptor, various partitions different in shape are used. With the arrangement, adherence of sprayed fuel, which otherwise degrades the diaphragm, is prevented.
    • 一种用于燃料箱的汽化燃料控制阀,其包含供给内燃机的燃料,其具有紧固在燃料箱上表面上的壳体和浮阀,以使其向上移动到座椅 响应于燃料箱中的燃料液位。 具有隔膜的隔膜阀被放置在浮阀上方的壳体中,用于将壳体内部分离成与燃料箱的加注管连通的第一室,以及通过浮阀与燃料箱连通的第二室。 隔膜阀打开以将第二室与罐连接,使得在第一室被供给大气压力时,被迫从燃料箱排出的汽化燃料沿着通过浮阀的流路流到罐中,除非浮子阀位于 座位。 在阀中,诸如过滤器的夹子被放置在路径中以拦截当浮阀已经坐在座椅上时由于冲击而产生的燃料喷雾,以便燃料喷射不粘附到隔膜。 作为拦截器,使用不同形状的各种分隔件。 通过这种布置,防止喷雾燃料的粘附,否则会使膜片劣化。