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    • 72. 发明申请
    • Locking mechanism of linear motor travel slider and processing machine
    • 线性电机行程滑块和加工机的锁定机构
    • US20070054598A1
    • 2007-03-08
    • US10969952
    • 2004-10-22
    • Hiroyuki UchidaSadatsune Ammi
    • Hiroyuki UchidaSadatsune Ammi
    • B24B51/00B24B49/00B24B29/00
    • B24B5/42B23Q5/28B23Q5/58B24B5/421B24B41/065Y10T70/7102Y10T70/713
    • A locking mechanism of a linear motor travel slider, includes: a serration member having a teeth portion and disposed on one of the bed and the travel slider extending in a slider-traveling-direction; a bracket supported by the other of the bed and the travel slider; an actuator supported by the other of the bed and the travel slider; a locking member supported by the actuator having a teeth portion engageable with the teeth portion of the serration member; and a controller for controlling the actuator to retain the lock member in an unlocked position when the linear motor is energized and for stopping the actuator when the linear motor is in a stop state due to a power failure. The locking member includes an urging member for making the locking member engage with the serration member while the actuator is in a stop state.
    • 线性马达行驶滑块的锁定机构包括:锯齿部件,具有齿部并且设置在所述床中的一个和沿滑动器行进方向延伸的行进滑动件; 由另一个床和旅行滑块支撑的支架; 由所述床中的另一个和所述行进滑动器支撑的致动器; 由所述致动器支撑的锁定构件具有可与所述锯齿构件的齿部接合的齿部; 以及控制器,用于当线性电动机通电时控制致动器以将锁定构件保持在解锁位置,并且当线性电动机由于电力故障而处于停止状态时停止致动器。 锁定构件包括用于在致动器处于停止状态时使锁定构件与锯齿构件接合的推动构件。
    • 74. 发明申请
    • Synchronous electric motor
    • 同步电动机
    • US20060017345A1
    • 2006-01-26
    • US11165403
    • 2005-06-24
    • Hiroyuki UchidaTomonaga YamamotoTakuya MaedaHiroshi Kougami
    • Hiroyuki UchidaTomonaga YamamotoTakuya MaedaHiroshi Kougami
    • H02K21/12
    • H02K1/2766
    • A synchronous electric motor including a rotor having a rotation axis, and a stator surrounding the rotor through a gap. The rotor includes a rotor core having an outer circumferential surface extending about the rotation axis and a plurality of permanent magnets attached to the rotor core to form plural poles along the outer circumferential surface of the rotor core. The outer circumferential surface of the rotor core is provided, at each pole, with a contour deviating from a circular arc and bulging out in a radial outward direction, as seen in a cross-section perpendicular to the rotation axis. The permanent magnets include a plurality of magnet sets individually assigned to the plural poles, each set including two or more permanent magnets. The contour of the outer circumferential surface of the rotor core, at each pole, has at least partially a shape represented by a hyperbolic cosine function or a secant function.
    • 一种同步电动机,包括具有旋转轴的转子和通过间隙围绕转子的定子。 转子包括具有围绕旋转轴线延伸的外周面的转子铁心和附接到转子铁心的多个永磁体,以沿转子铁心的外周面形成多个极点。 在垂直于旋转轴线的横截面中看到,转子芯体的外圆周表面在每个极处设置有偏离圆弧的轮廓并沿径向向外凸出。 永磁体包括分别分配给多个磁极的多个磁体组,每个磁体组包括两个或更多个永磁体。 转子芯的外圆周表面在每个极处的轮廓至少部分是由双曲余弦函数或正割函数表示的形状。
    • 75. 发明授权
    • Surge protection circuit for semiconductor devices
    • 半导体器件的浪涌保护电路
    • US06812528B2
    • 2004-11-02
    • US09874296
    • 2001-06-06
    • Hiroyuki Uchida
    • Hiroyuki Uchida
    • H01L2362
    • G02F1/136204G09G3/3648
    • A surge protection device includes a gate electrode embedded in an insulator, a source electrode and a drain electrode on the insulator. The source and drain electrodes respectively form first and second capacitances with the gate electrode. A semiconductor island is provided on the insulator to form a channel between the source and drain electrodes and a third capacitance with the gate electrode. The third capacitance is smaller than either of the first and second capacitances. The source and drain electrodes are adapted for connection to external circuitry for establishing a low-impedance path when the external circuitry is subjected to a surge potential.
    • 浪涌保护装置包括嵌入绝缘体中的栅电极,绝缘体上的源电极和漏电极。 源极和漏极分别与栅电极形成第一和第二电容。 在绝缘体上设置半导体岛以在源电极和漏电极之间形成沟道,并且在栅电极之间形成第三电容。 第三电容小于第一和第二电容中的任一个。 源极和漏极适于连接到外部电路,用于当外部电路经受浪涌电势时建立低阻抗路径。
    • 76. 发明授权
    • Synchronous motors of different kinds
    • 不同类型的同步电机
    • US06441528B1
    • 2002-08-27
    • US09155015
    • 1998-09-16
    • Hiroyuki UchidaTakashi OkamotoTomonaga Yamamoto
    • Hiroyuki UchidaTakashi OkamotoTomonaga Yamamoto
    • H02K100
    • H02K15/03Y10T29/49009Y10T29/49012
    • A method of expanding types of synchronous motors capable of reducing the number of required stator types to use stators in common, and a synchronous motor produced by the method. A group of stators are prepared by stacking stator cores of identical shape so that heights of the stators are different from one another to be multiples of a fundamental height. A plurality of groups of rotors are prepared so that lengths of the rotors in each group are different from one another to be multiples of a fundamental length. The rotors in each group are provided with permanent magnets having a residual magnetic flux density different from that of the permanent magnets of the rotors in the other groups. A stator and a rotor corresponding to a preset output torque specification value and a preset rotor inertia specification value are respectively selected from the group of stators and the rotor groups and are combined with each other, whereby an expanded type of motor is obtained.
    • 能够减少使用定子的所需定子类型的数量的同步电动机的类型扩大的方法,以及通过该方法制造的同步电动机。 一组定子通过堆叠相同形状的定子铁芯制成,使得定子的高度彼此不同,成为基本高度的倍数。 制备多组转子,使得各组中的转子的长度彼此不同,成为基本长度的倍数。 每个组中的转子设置有永磁体,其具有与其他组中的转子的永磁体的剩余磁通密度不同的永久磁体。 分别从定子组和转子组中选择对应于预设输出转矩指定值和预设转矩惯性指定值的定子和转子,并且彼此组合,由此获得扩展型电动机。
    • 78. 发明授权
    • Exhaust control valve assembly for an engine
    • 用于发动机的排气控制阀组件
    • US06253718B1
    • 2001-07-03
    • US09539716
    • 2000-03-31
    • Hiroyuki UchidaShigeyuki HaraTsutomu Fukusho
    • Hiroyuki UchidaShigeyuki HaraTsutomu Fukusho
    • F02B7502
    • F02D9/1065F01L3/205F02B2075/025F02F1/22
    • An exhaust control valve assembly for a two-cycle engine is formed to effectively dissipate heat. The exhaust control valve includes a pair of valve elements disposed on opposite sides of a reinforcing wall. The reinforcing wall laterally bisects an opening of the exhaust port in a vertical direction. A valve stem is connected to bosses of the valve elements. The valve stem is supported in a rotatable manner by a pouch-shaped hole at one end and a through-hole at its other end. A drive system is coupled to an end part of the valve stem protruding outwards from the through-hole. The whole of the bosses of the valve elements is offset from the center of the reinforcing wall towards the through-hole. This arragnement allows heat, resulting from the exhaust gases passing by the valve elements, to be dissipate without overheating the valve stem on the pouch-shaped hole side.
    • 形成用于双冲程发动机的排气控制阀组件以有效地散热。 排气控制阀包括设置在加强壁的相对侧上的一对阀元件。 加强壁在垂直方向上横向平分排气口的开口。 阀杆连接到阀元件的凸台。 阀杆以可旋转的方式由一端的袋形孔和另一端的通孔支撑。 驱动系统联接到从通孔向外突出的阀杆的端部。 阀元件的整个凸起从加强壁的中心偏向通孔。 这种放气允许由通过阀元件的废气产生的热量消散而不会使袋状孔侧上的阀杆过热。
    • 79. 发明授权
    • Method and apparatus for crankpin phase indexing
    • 曲柄销相位分度的方法和装置
    • US6070496A
    • 2000-06-06
    • US66431
    • 1998-08-17
    • Hiroyuki UchidaYukio Kokaji
    • Hiroyuki UchidaYukio Kokaji
    • B23Q16/02B24B5/42B23B29/24
    • B24B5/42B23Q16/02Y10T409/308792Y10T74/14Y10T82/19Y10T82/198
    • A chuck (25) for chucking a journal (271) of a crankshaft (27) is attached to the distal end of a main spindle (22) rotated by a drive motor. A phasing rotary shaft (53) is connected to the chuck (25) to rotate about an axis offset from the axis of the main spindle (22). The chuck (25) is provided with a coupling (63) that releasably connects the phasing rotary shaft (53) and the chuck (25). Further, a locking mechanism for locking the phasing rotary shaft (53) is provided. The coupling (63) has a pair of coupling plates (64 and 65) that can be moved closer to and farther from each other. Opposing faces of these coupling plates (64 and 65) have teeth (641 and 651), which are meshed when the coupling plates (64 and 65) are brought close to each other.
    • PCT No.PCT / JP96 / 03307 Sec。 371日期1998年8月17日 102(e)1998年8月17日PCT PCT 1996年11月11日PCT公布。 WO98 / 21007 PCT出版物 日期1998年5月22日用于夹紧曲轴(27)的轴颈(271)的卡盘(25)附接到由驱动马达旋转的主轴(22)的远端。 相位旋转轴(53)连接到卡盘(25),以围绕与主轴(22)的轴线偏移的轴线旋转。 卡盘(25)设置有可拆卸地连接相控旋转轴(53)和卡盘(25)的联轴器(63)。 此外,提供了用于锁定相控旋转轴(53)的锁定机构。 联轴器(63)具有可以彼此靠近并且更远的方向移动的一对联接板(64和65)。 这些联接板(64和65)的相对面具有当联接板(64和65)彼此靠近时啮合的齿(641和651)。