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    • 12. 发明授权
    • Spherical magnet
    • 球形磁铁
    • US08791781B2
    • 2014-07-29
    • US13781019
    • 2013-02-28
    • Michael Miller
    • Michael Miller
    • H01F7/02
    • H01F7/02F01K25/10F01K27/00H01F7/0221
    • A spherical magnet is formed as a hollow sphere having a fluid tight outer surface of a first magnetic pole and an inner surface having a second magnetic pole that is magnetically opposite the first pole. A plurality of individual thin flexible rectangular plate magnets are arranged as a continuous outer layer of the spherical magnet. Each individual plate magnet has four sides, an inner magnetic portion and an outer non-magnetic portion that extends around all four sides of the magnetic portion. Each inner magnetic portion includes a first face disposed on the outer surface and having the first pole and a second face opposite the first face, disposed on the inner surface and having the second pole.
    • 形成具有第一磁极的流体密封外表面的空心球体和具有与第一极磁性相对的第二磁极的内表面的球形磁体。 多个单独的薄柔性矩形板磁体被布置为球形磁体的连续外层。 每个单独的板状磁体具有四个侧面,内部磁性部分和外部非磁性部分,其围绕磁性部分的所有四个侧面延伸。 每个内磁性部分包括设置在外表面上并且具有第一极和与第一面相对的第二面的第一面,设置在内表面上并具有第二极。
    • 20. 发明授权
    • Arc resistant switchgear vertical exhaust system
    • 电弧开关柜垂直排气系统
    • US08101881B2
    • 2012-01-24
    • US12420337
    • 2009-04-08
    • Michael MillerAbraham de la Cruz
    • Michael MillerAbraham de la Cruz
    • H01H33/02
    • H02B13/025
    • An exhaust system for exhausting gases and molten debris caused by an electric arc within a switchgear. The exhaust system includes a switchgear having lower and upper compartments and an exhaust unit externally mounted to the switchgear. A wall panel of the switchgear includes blow out panels coinciding with openings in the lower compartment and corresponding ventilation flaps in a top surface of the exhaust unit to exhaust gas from the lower compartment out the blow out panels in a vertical direction, exiting through the flaps. The upper compartment includes ventilation flaps for exhausting gas in a vertical direction directly through the flaps and optionally through side-mounted blow out panels that communicate with the vertical vent path to the flaps in the top of the exhaust unit. A bus compartment in the exhaust unit includes a vent path to flaps in the top of the exhaust unit for exhausting gas produced by bus arcing.
    • 用于排出由开关设备内的电弧引起的气体和熔融碎屑的排气系统。 排气系统包括具有下隔室和上隔室的开关装置和外部安装到开关装置的排气单元。 开关柜的墙板包括与下隔室中的开口重合的吹出面板和排气单元的顶表面中的相应的通风翼,以从垂直方向排出来自下隔室的排气板,通过翼片 。 上隔室包括用于在垂直方向上直接排出气体的通风翼片,并且可选地通过与排气单元顶部的翼片垂直通风通道连通的侧面安装的吹出面板。 排气单元中的总线室包括在排气单元顶部襟翼的通气路径,用于排出由总线电弧产生的气体。