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    • 9. 发明公开
    • CAPACITANCE METER
    • KAPAZITÄTSMESSGERÄT
    • EP2613130A1
    • 2013-07-10
    • EP11821384.2
    • 2011-05-24
    • Mitsubishi Heavy Industries, Ltd.
    • YAMAGUCHI, HiroakiKAMINO, Yuichiro
    • G01F23/26
    • G01F23/263G01F23/266G01F23/268
    • Provided is a fuel oil gauge (15), comprising: a columnar interior structural body (27) formed from an insulator; a hollow cylindrical exterior structural body (23) formed from an insulator, which is positioned on the exterior circumference side of the interior structural body (27) around the total perimeter thereof with a gap therebetween; an interior electrode (29) which is affixed to the exterior circumference face of the interior structural body (27); and an exterior electrode (25) which is affixed to the interior circumference face of the exterior structural body (23). The fuel oil gauge (15) measures capacitance between the interior electrode (29) and the exterior electrode (25), and detects the level of fuel present between the interior electrode (29) and the exterior electrode (25). The exterior structural body (23) further comprises a plurality of exterior side through holes (31) that allow electrical charge to move from the exterior circumference face thereof to the exterior electrode (25).
    • 提供一种燃油表(15),包括:由绝缘体形成的柱状内部结构体(27); 由绝缘体形成的中空圆柱形外部结构体(23),所述中空圆柱形外部结构体(23)由绝缘体形成,所述绝缘体围绕所述内部结构体的整个周边定位在所述内部结构体(27)的外周侧上,其间具有间隙; 内部电极(29),其固定在所述内部结构体(27)的外周面上; 和固定在外部结构体(23)的内周面上的外部电极(25)。 燃油表(15)测量内部电极(29)和外部电极(25)之间的电容,并且检测存在于内部电极(29)和外部电极(25)之间的燃料的水平。 外部结构体(23)还包括允许电荷从其外周面移动到外部电极(25)的多个外部侧通孔(31)。