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1. 发明授权

US06204618B1 Starting method for brushless DC motor and device for the same 失效
标题翻译：无刷直流电动机起动方法及装置
公开(公告)号：US06204618B1
公开(公告)日：2001-03-20
申请号：US09348386
申请日：1999-07-07
申请人： King Yin Wang , Li-Te Kuo , Jieh-Yee Huang , Shyh-Jier Wang , Tai-Fa Ying , Der-Ray Huang
发明人： King Yin Wang , Li-Te Kuo , Jieh-Yee Huang , Shyh-Jier Wang , Tai-Fa Ying , Der-Ray Huang
IPC分类号： H02P622
CPC分类号： H02P6/22
摘要： The present invention is a starting method for brushless DC motor and a device for the same, especially adapted to provide the starting method for a single-phase DC brushless motor in an open circuit and the device for the same. According to the art as disclosed in the present invention, there are two successive steps in starting a motor. An oscillator signal is transmitted to the driver at first, which causes the motor to oscillate in both clockwise and counter-clockwise direction. An operating signal is then sent to cause the motor to rotate normally in one direction once the motor is out of the dead initiating position. By that the rotor can be triggered out of the dead initiating position when the motor is going to start and the motor can be smoothly operated under the low cogging torque.
摘要翻译：本发明是一种用于无刷直流电动机的起动方法及其装置，特别适于提供开路中的单相直流无刷电动机的起动方法及其装置。根据本发明所公开的技术，起动电动机有两个连续的步骤。首先将振荡器信号发送到驱动器，这使得电动机沿顺时针和逆时针方向振荡。然后，一旦马达离开起始位置，就发送一个操作信号，使电动机在一个方向上正常旋转。由此，当电动机启动时，转子可以被触发到死点起始位置，并且电动机可以在低齿槽转矩下平稳地操作。

2. 发明授权

US5923110A Spindle motor for optical disc drives 失效
标题翻译：光盘驱动器的主轴电机
公开(公告)号：US5923110A
公开(公告)日：1999-07-13
申请号：US829656
申请日：1997-03-31
申请人： Chi-Mou Zhao , Chin-Po Liao , Shyh-Jier Wang , Min-Der Wu , Der-Ray Huang , Tai-Fa Ying , Eric-G. Lean , Han Chung Wang , Alex Hong , Chiang Cheng Huang , Yin-Rong Hong
发明人： Chi-Mou Zhao , Chin-Po Liao , Shyh-Jier Wang , Min-Der Wu , Der-Ray Huang , Tai-Fa Ying , Eric-G. Lean , Han Chung Wang , Alex Hong , Chiang Cheng Huang , Yin-Rong Hong
IPC分类号： H02K1/14 , G11B19/20 , H02K5/167 , H02K21/22 , H02K29/03 , H02K1/16
CPC分类号： G11B19/2009 , H02K21/227 , H02K29/03 , H02K5/1675 , H02K2201/12
摘要： A spindle motor for a disc drive, such as a CD-ROM drive, is provided. This spindle motor is a brushless motor of a single-phase axial-winding and radial-gap type including a stator, a rotor coupled to said stator, and a driving circuit for supplying a driving signal to the stator to rotate the rotor. The stator includes a pair of upper and bottom salient-pole pieces formed with a plurality of tooth-like portions serving as salient-poles. The peak surface of each tooth-like portion is formed into a symmetrical convex shape, which minimizes the cogging torque of the motor. Further, the use of a phase-adjuster in the driving circuit allows the motor to produce large output torque at high speeds. The output characteristics of this spindle motor meet the requirements of high speed CD-ROM drives.
摘要翻译：提供了用于诸如CD-ROM驱动器的盘驱动器的主轴电动机。该主轴电动机是单相轴向绕组和径向间隙型的无刷电动机，其包括定子，联接到所述定子的转子和用于向定子提供驱动信号以使转子旋转的驱动电路。定子包括形成有用作凸极的多个齿状部分的一对上下凸极片。每个齿形部分的峰面形成为对称的凸起形状，使电动机的齿槽转矩最小化。此外，在驱动电路中使用相位调节器允许电动机以高速度产生大的输出转矩。该主轴电机的输出特性符合高速CD-ROM驱动器的要求。

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