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    • 3. 发明授权
    • Fluid supply pipe
    • 流体供应管
    • US06575199B1
    • 2003-06-10
    • US09744240
    • 2001-03-26
    • Hironori UedaTakashi NagaiYuichi TanabeYoichi Nakao
    • Hironori UedaTakashi NagaiYuichi TanabeYoichi Nakao
    • F16L1100
    • F02D33/003F02M37/0017F02M37/0047Y10T428/1393
    • Fuel supply pipe 43 includes a fixed fuel supply pipe 43b that comprises a metal, such as stainless steel, and connecting fuel supply pipes 43a, 43c that comprise a resin or similar material. The bulk resistivity of connecting fuel supply pipes 43a, 43c is chosen to be within the range from 107 to 1011 &OHgr;·cm. By doing this, the amount of electric charge that builds up in the fuel when the fuel passes through connecting fuel supply pipes 43a, 43c can be held low. Further, the electric charge that builds up on connecting fuel supply pipes 43a, 43c is not rapidly discharged. Therefore, spark discharge can be prevented from being generated on connecting fuel supply pipe 43a. Connecting fuel supply pipes 43a, 43c may have a multi-layer structure that includes an innermost layer having a bulk resistivity of 107 to 1011 &OHgr;·cm and an outermost layer having a bulk resistivity of about 1012 &OHgr;·cm or more.
    • 燃料供给管43包括固定燃料供给管43b,其包括诸如不锈钢的金属以及包括树脂或类似材料的连接燃料供给管43a,43c。 连接燃料供给管43a,43c的体积电阻率被选择在从107到​​1011欧米加的范围内。 通过这样做,可以将燃料通过连接燃料供给管43a,43c时在燃料中积聚的电荷量保持为低。 此外,在连接燃料供给管43a,43c上积聚的电荷不会迅速排出。 因此,可以防止在连接燃料供给管43a上产生火花放电。 连接燃料供给管43a,43c可以具有多层结构,其包括体积电阻率为107〜1011欧姆计的最内层,最外层的体积电阻率为约1012欧米银以上。