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    • 1. 发明授权
    • Superconducting magnet abnormality detection and protection apparatus
    • 超导磁体异常检测和保护装置
    • US5502613A
    • 1996-03-26
    • US87417
    • 1993-07-08
    • Toshio SaitohTeruhiro TakizawaNaoki MakiTakashi KobayashiMasayuki ShibataKen YoshiokaTadasi SonobeFumio Suzuki
    • Toshio SaitohTeruhiro TakizawaNaoki MakiTakashi KobayashiMasayuki ShibataKen YoshiokaTadasi SonobeFumio Suzuki
    • B60L13/04B61B13/08H01F6/02H02H7/00
    • H02H7/001B60L13/04B60L2200/26
    • A superconducting magnet abnormality detection and protection apparatus is for early and surely detecting abnormality in superconducting coils mounted on a vehicle and protecting the superconducting coils. Magnetic flux detecting devices are mounted inside an outer vessel, which is a vacuum container of a superconducting magnet, so as to be opposite to the superconducting coil. Voltages induced in the magnetic flux detecting devices are detected. Voltage signals are led to a decision device. By monitoring the change of the voltage signals with time in a comparing judgment device, it is determined whether there is an abnormality. If there is an abnormality, an alarm indicator informs of an abnormal state, and a protection device takes protection measures such as interruption of the current of the superconducting magnet. Owing to such configuration, heat does not penetrate from the outside into the superconducting coil via instrumentation lead wires of the magnetic flux detecting devices. Magnitudes of vibration and displacement of the superconducting coil can be detected without contacting the superconducting coil. By always monitoring these signals, it becomes possible to early detect an abnormality in the superconducting coil and protect it.
    • 超导磁体异常检测和保护装置用于早期且可靠地检测安装在车辆上的超导线圈的异常并保护超导线圈。 磁通检测装置安装在作为超导磁体的真空容器的外部容器内,以与超导线圈相对。 检测在磁通检测装置中感应的电压。 电压信号被引导到决策设备。 通过在比较判断装置中监视电压信号随时间的变化,确定是否存在异常。 如果发生异常,报警指示灯会发出异常状态,保护装置会采取保护措施,例如中断超导磁体的电流。 由于这样的结构,热量不会通过磁通检测装置的检测引线从外部渗入超导线圈。 可以在不接触超导线圈的情况下检测超导线圈的振动和位移大小。 通过始终监视这些信号,可以及早检测超导线圈中的异常并进行保护。
    • 7. 发明授权
    • Rotor having improved arm structure to reduce tensile stresses
    • 转子具有改进的臂结构以减少拉伸应力
    • US4128780A
    • 1978-12-05
    • US725630
    • 1976-09-22
    • Tadasi Sonobe
    • Tadasi Sonobe
    • H02K1/30H02K1/22
    • H02K1/30
    • A rotor for use with rotary electric machinery, which includes a rotary shaft, a rotor core disposed around the rotary shaft and consisting of a plurality of silicon steel plates laminated to a predetermined thickness in the axial direction of the rotary shaft, a plurality of mounts secured to the rotor core by means of dove-tail joints as well as by welding and disposed on the inner circumferential surface of the rotor core plurality sets of arms, each set consisting of at least two arms whose one ends are connected to the mounts by welding, and whose other ends are connected to the rotary shaft by welding, said arms being inclined or curved to the radial direction in cross section perpendicular to the axial direction of the rotary shaft.
    • 一种用于旋转电机的转子,其包括旋转轴,设置在旋转轴周围的转子芯,并且由在旋转轴的轴向上层叠成预定厚度的多个硅钢板组成,多个安装件 通过鸠尾接头以及通过焊接固定到转子芯上,并且通过焊接设置在转子芯的多个组的内圆周表面上,每组由至少两个臂组成,所述至少两个臂的一端通过 焊接,并且其另一端通过焊接连接到旋转轴,所述臂在与旋转轴的轴向方向垂直的截面中沿径向方向倾斜或弯曲。