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    • 1. 发明授权
    • Motor control device
    • 电机控制装置
    • US08063599B2
    • 2011-11-22
    • US12190397
    • 2008-08-12
    • Yung-Ping LinYong-Yuan YangBao-Qi Shi
    • Yung-Ping LinYong-Yuan YangBao-Qi Shi
    • H02P6/18
    • H02P7/29
    • A motor control device includes a rotation speed control circuit, a voltage transforming circuit, a buffering circuit and a driving circuit. The rotation speed control circuit provides a rotation speed control signal. The voltage transforming circuit is electrically connected to the rotation speed control circuit and transforms the rotation speed control signal to a speed control voltage signal. The buffering circuit, electrically connected to the voltage transforming circuit, receives the speed control voltage signal and delays or buffers output of the speed control voltage signal. The driving circuit, electrically connected to the buffering circuit, receives the speed control voltage signal from the buffering circuit and generates a driving signal according to the speed control voltage signal so as to control the operation of the motor.
    • 电动机控制装置包括转速控制电路,电压变换电路,缓冲电路和驱动电路。 转速控制电路提供转速控制信号。 电压变换电路电连接到转速控制电路,并将转速控制信号转换成速度控制电压信号。 电连接到电压变换电路的缓冲电路接收速度控制电压信号并延迟或缓冲速度控制电压信号的输出。 电连接到缓冲电路的驱动电路从缓冲电路接收速度控制电压信号,并根据速度控制电压信号产生驱动信号,以控制电动机的操作。
    • 6. 发明授权
    • Heat dissipation fan with magnet ring of varying thickness
    • 具有不同厚度的磁环的散热风扇
    • US08508093B2
    • 2013-08-13
    • US13236615
    • 2011-09-19
    • Hong-Tao WuYong-Kang ZhangYung-Ping Lin
    • Hong-Tao WuYong-Kang ZhangYung-Ping Lin
    • H02K21/12
    • F04D29/329F04D25/064F04D25/0646
    • An exemplary heat dissipation fan includes a rotor and a stator. The stator includes a stator core. The rotor is rotatably mounted around the stator. The rotor includes a hub and a magnet ring received in the hub. The hub includes a top wall and a peripheral side wall depending from the top wall. The magnet ring is attached to the side wall and surrounding the stator. The magnet ring has a larger thickness as measured in a radial direction at a first end which is far away from the top wall than a second end which is adjacent to top wall, such that an attracting force formed between the first end of the magnet ring and the stator core is larger than that formed between the second end of the magnet ring and the stator core.
    • 示例性的散热风扇包括转子和定子。 定子包括定子芯。 转子可旋转地安装在定子周围。 转子包括容纳在轮毂中的轮毂和磁环。 轮毂包括从顶壁垂下的顶壁和周边侧壁。 磁环附着在侧壁上并围绕定子。 磁体环具有比在与顶壁相邻的第二端远离顶壁的第一端处沿径向测量的厚度,使得在磁环的第一端之间形成的吸引力 并且定子铁心大于在磁环和定子铁芯的第二端之间形成的铁心。
    • 7. 发明授权
    • Dynamic bearing manufacturing method
    • 动态轴承制造方法
    • US07987598B2
    • 2011-08-02
    • US11646555
    • 2006-12-28
    • Dung-Chang YehYung-Ping LinYi-Liang Gong
    • Dung-Chang YehYung-Ping LinYi-Liang Gong
    • B21D53/10
    • B21J5/12F16C17/02F16C33/107Y10T29/49639Y10T29/49647Y10T29/49668
    • A dynamic bearing manufacturing includes steps of: providing a bearing and a processing tool, the bearing having an axial hole, and the processing tool having at least one protruding pattern formed on an exterior wall of the processing tool; positioning the processing tool into the axial hole of the bearing; pressing the processing tool to contact with an inner wall of the bearing so as to transfer and print the protruding pattern of the processing tool onto the inner wall of the bearing; rotating the processing tool at a first rotation speed and driving the bearing to rotate at a second rotation speed; and forming at least one concave pattern on the inner wall of the bearing, and the at least one concave pattern being corresponding to the protruding pattern of the processing tool.
    • 动态轴承制造包括以下步骤:提供轴承和加工工具,所述轴承具有轴向孔,并且所述加工工具具有形成在所述加工工具的外壁上的至少一个突出图案; 将加工工具定位在轴承的轴向孔中; 按压加工工具与轴承的内壁接触,以将加工工具的突出图案转印并印刷到轴承的内壁上; 以第一旋转速度旋转处理工具并驱动轴承以第二转速旋转; 以及在所述轴承的内壁上形成至少一个凹形图案,并且所述至少一个凹形图案对应于所述加工工具的突出图案。