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    • 9. 发明申请
    • ELECTRIC HORN
    • 电烙
    • US20100246875A1
    • 2010-09-30
    • US12676684
    • 2008-09-04
    • Hidefumi TakahashiToshio TakahashiYoshihiro Murakoshi
    • Hidefumi TakahashiToshio TakahashiYoshihiro Murakoshi
    • H04R1/20
    • G10K9/13
    • An electric horn (1) has a coil bobbin (4) in a casing (2). A fixed iron core (3) is fixed in a hole (4f) in the coil bobbin (4) and is magnetized to define an exciting coil (C). A moving iron core (10) is at the center of a diaphragm (9) at the open end of the casing (2) and faces the fixed iron core (3). The moving iron core (10) is displaced relative to the fixed iron core (3) by a power supply of the exciting coil (C); thus beeping an alarm. The moving iron core (10) has an end face toward the fixed iron core (3) that strides over a reference position (N) within the amplitude (W) of the moving iron core (10). The end portion on the moving iron core (10) side of the wound portion (4e) of the exciting coil (C) is the reference position (N).
    • 电喇叭(1)在壳体(2)中具有线圈架(4)。 固定铁芯(3)固定在线圈架(4)的孔(4f)中并被磁化以限定励磁线圈(C)。 移动的铁芯(10)位于壳体(2)的开口端处的隔膜(9)的中心并且面向固定铁芯(3)。 移动的铁芯(10)通过励磁线圈(C)的电源相对于固定铁芯(3)移位; 从而哔哔一声。 移动铁芯(10)具有朝向固定铁芯(3)的端面,该端面在移动铁芯(10)的振幅(W)内跨越参考位置(N)。 励磁线圈(C)的卷绕部(4e)的移动铁芯(10)侧的端部是基准位置(N)。
    • 10. 发明申请
    • EXPANSION TURBINE
    • 膨胀涡轮机
    • US20090028693A1
    • 2009-01-29
    • US12054880
    • 2008-03-25
    • Toshio TakahashiSeiichiro YoshinagaHirohisa Wakisaka
    • Toshio TakahashiSeiichiro YoshinagaHirohisa Wakisaka
    • F01D15/00F01D25/12
    • F01D15/00F05D2260/903H02K49/043
    • A braking mechanism is provided that is suitable for an expansion turbine that rotates at high speed. Upper end salient poles 26a and 26b are formed in two opposite places on the outer peripheral upper end of a rotating shaft 12, and lower end salient poles 28a and 28b are formed in two opposite places on the outer peripheral lower end of the rotating shaft 12 such that they are staggered in the vertical direction with respect to the upper end salient poles 26a and 26b. A casing 22 is provided in a location facing an outer periphery of the rotating shaft 12, and an excitation coil 30 is provided on the casing 22 for forming a magnetic path between the upper end salient poles 26a and 26b and the lower end salient poles 28a and 28b. By rotation of the rotating shaft 12, and by the magnetic path formed by the excitation coil 30, eddy currents are generated in the casing 22.
    • 提供了适用于高速旋转的膨胀涡轮的制动机构。 上端凸极26a和26b形成在旋转轴12的外周上端的两个相对位置,下端凸极28a和28b形成在旋转轴12的外周下端的两个相对位置 使得它们相对于上端凸极26a和26b在垂直方向上交错。 在面向旋转轴12的外周的位置设置有壳体22,在壳体22上设置有用于在上端凸极26a和26b与下端凸极28a之间形成磁路的励磁线圈30 和28b。 通过旋转轴12的旋转以及由励磁线圈30形成的磁路,在壳体22内产生涡电流。