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公开(公告)号：US20050139348A1
公开(公告)日：2005-06-30
申请号：US11023517
申请日：2004-12-29
申请人： William Lu , Ying-chi Chen , Te-tsai Chuang , Ming-shi Tsai
发明人： William Lu , Ying-chi Chen , Te-tsai Chuang , Ming-shi Tsai
CPC分类号： H05K7/20172 , F04D29/601
摘要： A hot swap fan includes a fan and a holding member. The fan has an air inlet, an air outlet, and a sidewall connected between the air inlet and the air outlet. The holding member is bent to form a top portion and at least one side portion and affixed on the sidewall. The top portion is formed with at least one handle portion, and part of the side portion is formed as a movable flexible portion connecting to the handle portion. The flexible portion is formed with an engaging structure to engage a casing that accommodates the hot swap fan.
摘要翻译： 热插拔风扇包括风扇和保持构件。 风扇具有空气入口，空气出口和连接在进气口和空气出口之间的侧壁。 弯曲保持构件以形成顶部和至少一个侧部并且固定在侧壁上。 顶部形成有至少一个手柄部分，并且侧部的一部分形成为连接到手柄部分的可移动柔性部分。 柔性部分形成有接合结构，以接合容纳热插拔风扇的壳体。
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公开(公告)号：US20050002657A1
公开(公告)日：2005-01-06
申请号：US10839818
申请日：2004-05-06
申请人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
发明人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
IPC分类号： H02P7/29
CPC分类号： H02P7/29
摘要： A fan speed control circuit includes a pulse width modulation (PWM) signal generating circuit, a driving circuit and a phase compensation unit. The PWM signal generating circuit generates a PWM control signal with a sequence of alternating on-time and off-time, and the driving circuit outputs a driving signal according to the PWM control signal to a fan motor. The phase compensation unit is connected to the fan motor for delaying or advancing the PWM control signal by a phase angle to synchronize the acting period of the back electromotive force formed by the magnetic flux variation with the off-time of the PWM control signal.
摘要翻译： 风扇速度控制电路包括脉宽调制（PWM）信号发生电路，驱动电路和相位补偿单元。 PWM信号发生电路产生具有交替导通时间和关断时间的序列的PWM控制信号，并且驱动电路根据PWM控制信号向风扇电动机输出驱动信号。 相位补偿单元连接到风扇电动机，用于使PWM控制信号延迟或前进相位角，以使由磁通量变化形成的反电动势的动作周期与PWM控制信号的关闭时间同步。
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公开(公告)号：US07567749B2
公开(公告)日：2009-07-28
申请号：US11703183
申请日：2007-02-07
申请人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
发明人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
IPC分类号： H02P7/29
CPC分类号： H02P29/50
摘要： A motor control circuit includes a pulse width modulation (PWM) signal generating circuit, a driving circuit and a waveform-shaping circuit connected between the PWM signal generating circuit and the driving circuit. The PWM signal generating circuit generates a square wave with a sequence of alternating on-time and off-time. The waveform-shaping circuit adjusts the rise-time and the fall-time of the square wave to be both within a range of 5% to 15% of the square wave period, and the driving circuit outputs a driving signal to a fan motor according to the adjusted square wave.
摘要翻译： 电动机控制电路包括连接在PWM信号发生电路和驱动电路之间的脉宽调制（PWM）信号发生电路，驱动电路和波形整形电路。 PWM信号发生电路产生具有交替导通时间和关断时间的序列的方波。 波形整形电路将方波的上升时间和下降时间均调整在方波周期的5％〜15％的范围内，驱动电路根据 到调整后的方波。
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公开(公告)号：US06291916B1
公开(公告)日：2001-09-18
申请号：US09551834
申请日：2000-04-18
申请人： Wen-shi Huang , Kuo-cheng Lin , Ming-shi Tsai , Chu-hsien Chou
发明人： Wen-shi Huang , Kuo-cheng Lin , Ming-shi Tsai , Chu-hsien Chou
IPC分类号： H02K1516
摘要： A rotor balance structure, which comprises a vane shell, a rotor case installed on the inner side of the vane shell, and a magnet installed on the inner side of the rotor case. The rotor is coupled with a stator, which comprises a coil and a magnetic conduction silicon steel set. When the coil on the stator is provided with an electrical current and generates a magnetic field, the magnet is attracted through the magnetic conduction silicon steel set to rotate the rotor balance structure. The feature of the rotor balance structure of the present invention is in that a magnetically conductive plate is included and installed under the inner side of the vane shell top. The magnetically conductive plate does not have any magnetic conduction with the rotor case but has an attractive magnetic interaction with the coil so that the rotational balance of the rotor balance structure can be improved.
摘要翻译： 一种转子平衡结构，其包括叶片壳体，安装在叶片壳体的内侧上的转子壳体和安装在转子壳体的内侧上的磁体。 转子与定子耦合，该定子包括线圈和导磁硅钢组。 当定子上的线圈设有电流并产生磁场时，磁体通过导磁硅钢套件吸引，以转动转子平衡结构。 本发明的转子平衡结构的特征在于，包括导磁板并安装在叶片壳顶部的内侧。 导电板与转子壳体不具有任何磁传导，但是与线圈具有吸引力的磁相互作用，从而能够提高转子平衡结构的旋转平衡。
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公开(公告)号：US07242857B2
公开(公告)日：2007-07-10
申请号：US10895902
申请日：2004-07-22
申请人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
发明人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
CPC分类号： H02P29/50
摘要： A motor control circuit includes a pulse width modulation (PWM) signal generating circuit, a driving circuit and a waveform-shaping circuit connected between the PWM signal generating circuit and the driving circuit. The PWM signal generating circuit generates a square wave with a sequence of alternating on-time and off-time. The waveform-shaping circuit adjusts the rise-time and the fall-time of the square wave to be both within a range of 5% to 15% of the square wave period, and the driving circuit outputs a driving signal to a fan motor according to the adjusted square wave.
摘要翻译： 电动机控制电路包括连接在PWM信号发生电路和驱动电路之间的脉宽调制（PWM）信号发生电路，驱动电路和波形整形电路。 PWM信号发生电路产生具有交替导通时间和关断时间的序列的方波。 波形整形电路将方波的上升时间和下降时间均调整在方波周期的5％〜15％的范围内，驱动电路根据 到调整后的方波。
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公开(公告)号：US07218846B2
公开(公告)日：2007-05-15
申请号：US10839818
申请日：2004-05-06
申请人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
发明人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
IPC分类号： H02P7/29
CPC分类号： H02P7/29
摘要： A fan speed control circuit includes a pulse width modulation (PWM) signal generating circuit, a driving circuit and a phase compensation unit. The PWM signal generating circuit generates a PWM control signal with a sequence of alternating on-time and off-time, and the driving circuit outputs a driving signal according to the PWM control signal to a fan motor. The phase compensation unit is connected to the fan motor for delaying or advancing the PWM control signal by a phase angle to synchronize the acting period of the back electromotive force formed by the magnetic flux variation with the off-time of the PWM control signal.
摘要翻译： 风扇速度控制电路包括脉宽调制（PWM）信号发生电路，驱动电路和相位补偿单元。 PWM信号发生电路产生具有交替导通时间和关断时间的序列的PWM控制信号，并且驱动电路根据PWM控制信号向风扇电动机输出驱动信号。 相位补偿单元连接到风扇电动机，用于使PWM控制信号延迟或前进相位角，以使由磁通量变化形成的反电动势的动作周期与PWM控制信号的关闭时间同步。
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公开(公告)号：US07218073B2
公开(公告)日：2007-05-15
申请号：US10695776
申请日：2003-10-30
IPC分类号： G05B11/28
CPC分类号： F04D27/004
摘要： A fan motor speed control circuit is disclosed. The circuit includes a digital/analog converting unit and a driving unit. The digital/analog converting unit takes charge of receiving a pulse width modulation (PWM) signal and converting it into a voltage signal. The driving unit is connected with the digital/analog converting unit in series for receiving the voltage signal, while the driving unit provides a first predetermined voltage level and a second predetermined voltage level as references. The fan motor is kept to run with a low constant rotation speed when the voltage signal level is higher than the first predetermined voltage level, with a full constant rotation speed when the voltage signal level is lower than the second predetermined voltage level, and with a variable rotation speed when the voltage signal level is lower than the first predetermined voltage level and higher than the second predetermined voltage level.
摘要翻译： 公开了一种风扇马达速度控制电路。 电路包括数字/模拟转换单元和驱动单元。 数字/模拟转换单元负责接收脉宽调制（PWM）信号并将其转换为电压信号。 驱动单元与数字/模拟转换单元串联连接以接收电压信号，而驱动单元提供第一预定电压电平和第二预定电压电平作为参考。 当电压信号电平高于第一预定电压电平时，风扇电动机以低的恒定转速运行，当电压信号电平低于第二预定电压电平时具有完全恒定的转速，并且使用 当电压信号电平低于第一预定电压电平并高于第二预定电压电平时，可变转速。
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公开(公告)号：US06849978B2
公开(公告)日：2005-02-01
申请号：US10066374
申请日：2002-02-05
申请人： Sung-wei Sun , Ming-shi Tsai , Wen-shi Huang , Kuo-cheng Lin
发明人： Sung-wei Sun , Ming-shi Tsai , Wen-shi Huang , Kuo-cheng Lin
IPC分类号： F04D25/06 , F04D29/058 , F16C39/06 , H02K7/09
CPC分类号： F04D25/062 , F04D29/058 , F16C39/063 , F16C2360/46 , H02K7/09
摘要： A motor having a magnetic bearing. The motor includes a base provided with a bearing seats, a stator fixed to the base, a rotor equipped with a rotation shaft and able to rotate relative to the stator by magnetic forces generated from excitation, a bearing fastened to the bearing seat of the base for accommodating the rotation shaft of the rotor, and a magnetic unit composed of a first, a second and a third magnetic elements. The second magnetic element is located below the first magnetic element. The third magnetic element is located below the second magnetic element. By employing the magnetic force, the second magnetic element is restrained between the first and third magnetic elements, thereby limiting a shift range of the rotation shaft.
摘要翻译： 具有磁性轴承的电动机。 该电动机包括一个设置有轴承座的底座，一个固定在该底座上的定子，一个配有旋转轴的转子，能够通过由激励产生的磁力相对于定子旋转，一个轴承固定在基座的轴承座上 用于容纳转子的旋转轴，以及由第一，第二和第三磁性元件组成的磁性单元。 第二磁性元件位于第一磁性元件的下方。 第三磁性元件位于第二磁性元件下方。 通过使用磁力，第二磁性元件被限制在第一和第三磁性元件之间，从而限制了旋转轴的移动范围。
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公开(公告)号：US20070160354A1
公开(公告)日：2007-07-12
申请号：US11703183
申请日：2007-02-07
申请人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
发明人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
IPC分类号： H02P7/29
CPC分类号： H02P29/50
摘要： A motor control circuit includes a pulse width modulation (PWM) signal generating circuit, a driving circuit and a waveform-shaping circuit connected between the PWM signal generating circuit and the driving circuit. The PWM signal generating circuit generates a square wave with a sequence of alternating on-time and off-time. The waveform-shaping circuit adjusts the rise-time and the fall-time of the square wave to be both within a range of 5% to 15% of the square wave period, and the driving circuit outputs a driving signal to a fan motor according to the adjusted square wave.
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公开(公告)号：US20050105897A1
公开(公告)日：2005-05-19
申请号：US10895902
申请日：2004-07-22
申请人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
发明人： Chia-feng Wu , Ching-sen Hsieh , Yueh-lung Huang , Ming-shi Tsai
CPC分类号： H02P29/50
摘要： A motor control circuit includes a pulse width modulation (PWM) signal generating circuit, a driving circuit and a waveform-shaping circuit connected between the PWM signal generating circuit and the driving circuit. The PWM signal generating circuit generates a square wave with a sequence of alternating on-time and off-time. The waveform-shaping circuit adjusts the rise-time and the fall-time of the square wave to be both within a range of 5% to 15% of the square wave period, and the driving circuit outputs a driving signal to a fan motor according to the adjusted square wave.
摘要翻译： 电动机控制电路包括连接在PWM信号发生电路和驱动电路之间的脉宽调制（PWM）信号发生电路，驱动电路和波形整形电路。 PWM信号发生电路产生具有交替导通时间和关断时间的序列的方波。 波形整形电路将方波的上升时间和下降时间均调整在方波周期的5％〜15％的范围内，驱动电路根据 到调整后的方波。
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