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1. 发明申请

US20090297615A1 NANOPARTICLES, METHODS OF MAKING SAME AND CELL LABELING USING SAME 审中-公开
标题翻译：纳米粒子，其制备方法和使用其的细胞标记
公开(公告)号：US20090297615A1
公开(公告)日：2009-12-03
申请号：US12400591
申请日：2009-03-09
申请人： Yi-Xiang Wang , Cham-Fai Leung , Ling Qin
发明人： Yi-Xiang Wang , Cham-Fai Leung , Ling Qin
IPC分类号： A61K47/48 , B32B9/00 , B05D7/00 , C12Q1/02 , A61K9/16
CPC分类号： H01F1/0054 , A61K47/6923 , B82Y5/00 , B82Y25/00 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993 , Y10T428/2998
摘要： There are disclosed polyhedral superparamagnetic nanoparticles and methods for making and using the nanoparticles. There are also disclosed coated and functionalized forms of the nanoparticles, methods of using nanoparticles and methods of treatment using nanoparticles.
摘要翻译：已经公开了多面体超顺磁性纳米颗粒和制备和使用纳米颗粒的方法。还公开了纳米颗粒的涂覆和官能化形式，使用纳米颗粒的方法和使用纳米颗粒的处理方法。

2. 发明申请

US20110217379A1 MAGNETIC NANOMATERIALS AND METHODS FOR CHEMOEMBOLISATION 审中-公开
标题翻译：磁性纳米材料和化学方法
公开(公告)号：US20110217379A1
公开(公告)日：2011-09-08
申请号：US13040873
申请日：2011-03-04
申请人： Yixiang Wang , Ken Cham-Fai Leung , Chris Hon Ki Cheng , Ling Qin
发明人： Yixiang Wang , Ken Cham-Fai Leung , Chris Hon Ki Cheng , Ling Qin
IPC分类号： A61K9/50 , A61K31/745 , A61K31/765 , A61P35/00 , A61K9/26 , B82Y5/00
CPC分类号： A61K9/50 , A61K31/745 , A61K31/765 , B82Y5/00
摘要： There are disclosed magnetic nanoparticles and embolisation compositions comprising the nanoparticles. There are also disclosed methods to make the nanoparticles and embolisation compositions and methods to deliver therapeutic agents to a subject.
摘要翻译：公开了包含纳米颗粒的磁性纳米颗粒和栓塞组合物。还公开了使纳米颗粒和栓塞组合物和方法将治疗剂递送至受试者的方法。

3. 发明申请

US20120249033A1 SENSORLESS MOTOR CONTROL 有权
标题翻译：无传感电机控制
公开(公告)号：US20120249033A1
公开(公告)日：2012-10-04
申请号：US13078482
申请日：2011-04-01
申请人： Ling Qin
发明人： Ling Qin
IPC分类号： H02P6/18
CPC分类号： H02P21/0089
摘要： An method for driving a motor is provided. A plurality of pulse width modulation (PWM) signals are generated from a commanded voltage signal and a commanded angle signal, and these PWM signal are used to drive a motor (which has a plurality of phases). Currents through the phases of the motor are measured, and a Park transformation is performed on the measured currents to determine a projection current measurement. Based at least in part on the projection current measurement, the adjusting the commanded voltage signal and the commanded angle signal can be adjusted.
摘要翻译：提供了一种用于驱动电动机的方法。从指令的电压信号和指令角度信号产生多个脉冲宽度调制（PWM）信号，这些PWM信号用于驱动电动机（具有多个相位）。测量通过电机相的电流，并对所测量的电流进行Park变换，以确定投影电流测量。至少部分地基于投影电流测量，可以调整指令的电压信号和指令的角度信号。

4. 发明申请

US20070176505A1 PERMANENT-MAGNET SWITCHED-FLUX MACHINE 失效
标题翻译：永磁开关变频器
公开(公告)号：US20070176505A1
公开(公告)日：2007-08-02
申请号：US11679806
申请日：2007-02-27
申请人： Andrzej Trzynadlowski , Ling Qin
发明人： Andrzej Trzynadlowski , Ling Qin
IPC分类号： H02K37/14 , H02K16/02 , H02K21/12
CPC分类号： H02K21/227 , H02K21/44
摘要： A permanent-magnet switched-flux (PMSF) apparatus comprises a plurality of permanent-magnet switched-flux (PMSF) devices, wherein each of the plurality of PMSF devices comprises a ferromagnetic outer rotor coupled to a shaft, wherein the ferromagnetic outer rotor comprises a plurality of permanent-magnets coupled to an inner surface of the ferromagnetic outer rotor, an inner stator rotatably disposed in the ferromagnetic outer rotor, wherein the inner stator comprises a stator core and multiple serrated edges forming multiple stator poles distal from the stator core, wherein the multiple stator poles are configured to interface with the plurality of permanent-magnets, and a coil disposed on the stator core between the multiple stator poles, wherein the coil is coupled to the plurality of permanent-magnets, wherein a magnetic flux of the plurality of permanent-magnets is operable to pass through the coil, and wherein the magnetic flux is configured to switch to an opposite direction in response to a rotation of the ferromagnetic outer rotor.
摘要翻译：永磁转换通量（PMSF）装置包括多个永磁转换通量（PMSF）装置，其中多个PMSF装置中的每一个包括耦合到轴的铁磁外转子，其中铁磁外转子包括耦合到所述铁磁外转子的内表面的多个永磁体，可旋转地设置在所述铁磁外转子中的内定子，其中所述内定子包括定子芯和多个齿形边缘，所述多个锯齿形边缘远离所述定子芯，其中所述多个定子极被配置为与所述多个永磁体接合，以及设置在所述多个定子极之间的所述定子芯上的线圈，其中所述线圈耦合到所述多个永磁体，其中，多个永磁体可操作地穿过线圈，并且其中磁通量被配置为切换到相反的方向响应于铁磁外转子的旋转。

5. 发明授权

US08928265B2 Sensorless field-oriented control (FOC) without current sampling for motors 有权
标题翻译：无电机采样的无传感器磁场定向控制（FOC）
公开(公告)号：US08928265B2
公开(公告)日：2015-01-06
申请号：US13572840
申请日：2012-08-13
申请人： Ling Qin , Terry L. Mayhugh, Jr. , Swaminathan Kumar Ramanathan
发明人： Ling Qin , Terry L. Mayhugh, Jr. , Swaminathan Kumar Ramanathan
IPC分类号： H02P6/18
CPC分类号： H02P21/18 , H02P21/26 , H02P21/50
摘要： An apparatus includes a sensorless field-oriented control (FOC) motor controller. The motor controller includes a pulse width modulation (PWM) controller configured to generate PWM signals and to provide the PWM signals to an inverter. The motor controller also includes an angle sampler configured to receive a commanded voltage angle signal and to provide the commanded voltage angle signal as an output signal in response to a triggering event. The triggering event is based on a voltage or a current associated with an input or an output of the inverter. The motor controller further includes a first combiner configured to combine (i) a feed-forward voltage angle signal and (ii) a second signal based on the output signal. The first combiner is configured to generate the commanded voltage angle signal. In addition, the motor controller includes a second combiner configured to combine a feed-forward voltage amplitude signal and the second signal.
摘要翻译：一种装置包括无传感器场定向控制（FOC）电动机控制器。电机控制器包括配置成产生PWM信号并向逆变器提供PWM信号的脉宽调制（PWM）控制器。电动机控制器还包括角度取样器，其被配置为接收指令的电压角度信号，并且响应于触发事件将指令的电压角信号提供为输出信号。触发事件基于与逆变器的输入或输出相关联的电压或电流。电机控制器还包括第一组合器，其被配置为基于输出信号组合（i）前馈电压角信号和（ii）第二信号。第一组合器被配置为产生指令的电压角信号。此外，电动机控制器包括被配置为组合前馈电压振幅信号和第二信号的第二组合器。

6. 发明授权

US08907611B2 Method and apparatus for space vector pulse width modulation of a three-phase current construction with single DC-link shunt 有权
标题翻译：具有单直流分路的三相电流结构的空间矢量脉宽调制方法和装置
公开(公告)号：US08907611B2
公开(公告)日：2014-12-09
申请号：US13183185
申请日：2011-07-14
申请人： Ling Qin , Bilal Akin
发明人： Ling Qin , Bilal Akin
IPC分类号： G05B11/28 , H02P27/08
CPC分类号： H02P27/08 , H02P27/085
摘要： A method for driving a motor having a plurality of phases is provided. Initially, first, second, and third intervals for a pulse width modulation (PWM) period from first and second voltage commands are generated. The first and second voltage commands correspond to a voltage vector for the motor, and the voltage vector has an associated sector. A conversion formula is then determined for the first, second, third intervals based on the associated sector for the voltage vector. Using the conversion formula and the first, second, and third intervals, fourth, fifth, and sixth intervals are generated, and a set of PWM signals for the PWM period is generated from the fourth, fifth, and sixth intervals. The motor is then driven with the second set of PWM signals, and a current traversing the plurality of phases with a single shunt is measured.
摘要翻译：提供了一种用于驱动具有多个相位的电动机的方法。最初，产生用于来自第一和第二电压命令的脉冲宽度调制（PWM）周期的第一，第二和第三间隔。第一和第二电压命令对应于电动机的电压矢量，电压矢量具有相关联的扇区。然后基于电压矢量的相关扇区，确定第一，第二，第三间隔的转换公式。使用转换公式和第一，第二和第三间隔，第四，第五和第六间隔，并且从第四，第五和第六间隔产生用于PWM周期的一组PWM信号。然后用第二组PWM信号驱动电动机，并且测量以单个分流器横穿多个相位的电流。

7. 发明授权

US07923541B2 High-purity rebaudioside A and method of extracting same 有权
标题翻译：高纯度莱鲍迪苷A及其提取方法
公开(公告)号：US07923541B2
公开(公告)日：2011-04-12
申请号：US11958351
申请日：2007-12-17
申请人： Mingfu Yang , Jun Hua , Ling Qin
发明人： Mingfu Yang , Jun Hua , Ling Qin
IPC分类号： C07H15/256
CPC分类号： A23L33/105
摘要： A process for recovering Rebaudioside A from Stevia rebaudiana Bertoni plants is provided and includes the steps of sequentially extracting plant material with a first solvent to obtain a first extract, filtering the first extract and passing the first extract through a polar resin to obtain a filtrate, and purifying the filtrate to obtain a crystalline-containing material. With further purification, a product containing over 99% Rebaudioside A is obtained. The present invention is also directed toward a method of purifying stevia glycosides to obtain purified Rebaudioside A. In one embodiment, the method includes silica gel column chromatography using an solvent comprising ethyl acetate and ethanol.
摘要翻译：提供了一种从甜菊甜叶菊植物中回收雷鲍迪甙A的方法，包括用第一溶剂依次提取植物材料以获得第一提取物，过滤第一提取物并使第一提取物通过极性树脂获得滤液的步骤，并纯化滤液得到含结晶物质。进一步纯化，得到含有超过99％的雷鲍迪苷A的产品。本发明还涉及一种纯化甜叶菊糖苷以获得纯化的甜菊苷A的方法。在一个实施方案中，该方法包括使用包含乙酸乙酯和乙醇的溶剂的硅胶柱色谱法。

8. 发明申请

US20130015793A1 METHOD AND APPARATUS FOR SPACE VECTOR PULSE WIDTH MODULATION OF A THREE-PHASE CURRENT CONSTRUCTION WITH SINGLE DC-LINK SHUNT 有权
标题翻译：用于单相直流链路分流的三相电流结构的空间矢量脉宽调制的方法和装置
公开(公告)号：US20130015793A1
公开(公告)日：2013-01-17
申请号：US13183185
申请日：2011-07-14
申请人： Ling Qin , Bilal Akin
发明人： Ling Qin , Bilal Akin
IPC分类号： H02P21/00
CPC分类号： H02P27/08 , H02P27/085
摘要： A method for driving a motor having a plurality of phases is provided. Initially, first, second, and third intervals for a pulse width modulation (PWM) period from first and second voltage commands are generated. The first and second voltage commands correspond to a voltage vector for the motor, and the voltage vector has an associated sector. A conversion formula is then determined for the first, second, third intervals based on the associated sector for the voltage vector. Using the conversion formula and the first, second, and third intervals, fourth, fifth, and sixth intervals are generated, and a set of PWM signals for the PWM period is generated from the fourth, fifth, and sixth intervals. The motor is then driven with the second set of PWM signals, and a current traversing the plurality of phases with a single shunt is measured.
摘要翻译：提供了一种用于驱动具有多个相位的电动机的方法。最初，产生用于来自第一和第二电压命令的脉冲宽度调制（PWM）周期的第一，第二和第三间隔。第一和第二电压命令对应于电动机的电压矢量，电压矢量具有相关联的扇区。然后基于电压矢量的相关扇区，确定第一，第二，第三间隔的转换公式。使用转换公式和第一，第二和第三间隔，第四，第五和第六间隔，并且从第四，第五和第六间隔产生用于PWM周期的一组PWM信号。然后用第二组PWM信号驱动电动机，并且测量以单个分流器横穿多个相位的电流。

9. 发明授权

US07960887B2 Permanent-magnet switched-flux machine 有权
标题翻译：永磁开关式磁通机
公开(公告)号：US07960887B2
公开(公告)日：2011-06-14
申请号：US12686264
申请日：2010-01-12
申请人： Andrzej M. Trzynadlowski , Ling Qin
发明人： Andrzej M. Trzynadlowski , Ling Qin
IPC分类号： H02K17/42
CPC分类号： H02K21/227 , H02K21/44
摘要： A permanent-magnet switched-flux (PMSF) device has an outer rotor mounted to a shaft about a central axis extending axially through the PMSF device. First and second pluralities of permanent-magnets (PMs) are respectively mounted in first and second circles, radially outwardly in first and second transverse planes extending from first and second sections of the central axis adjacent to an inner surface of the outer rotor. An inner stator is coupled to the shaft and has i) a stator core having a core axis co-axial with the central axis; and ii) first and second pluralities of stator poles mounted in first and second circles, radially outwardly from the stator core axis in the first and second transverse planes. The first and second pluralities of PMs each include PMs of alternating polarity.
摘要翻译：永磁转换通量（PMSF）装置具有外转子，该外转子围绕轴向延伸穿过PMSF装置的中心轴安装在轴上。第一和第二多个永久磁铁（PM）分别安装在第一和第二圆周中，从邻近外转子的内表面的中心轴线的第一和第二部分延伸的第一和第二横向平面中径向向外。内部定子联接到所述轴并具有i）定子芯，其具有与所述中心轴线同轴的芯轴; 以及ii）第一和第二多个定子极安装在第一和第二圆中，在第一和第二横向平面中从定子芯轴线径向向外。第一和第二多个PM各自包括交替极性的PM。

10. 发明授权

US08829846B2 Field oriented control of a motor with a single shunt 有权
标题翻译：具有单个分流器的电机的磁场定向控制
公开(公告)号：US08829846B2
公开(公告)日：2014-09-09
申请号：US13211045
申请日：2011-08-16
申请人： Ling Qin
发明人： Ling Qin
IPC分类号： H02P27/04 , H02P27/08 , H02P21/00 , H02P21/14
CPC分类号： H02P27/08 , H02P21/18 , H02P21/22
摘要： A method for driving a motor is provided. Pulse width modulation (PWM) signals are generated from a voltage signal and a commanded angle signal, which drives a motor with multiple phases. A motor current from a motor is measured with a single shunt and converted into a digital signal. Based on the digital signal and the commanded angle signal, direct-axis and quadrant-axis currents for the motor can be determined, and the voltage signal and the commanded angle signal can be adjusted based at least in part on the direct-axis and quadrant-axis currents.
摘要翻译：提供一种用于驱动电动机的方法。脉宽调制（PWM）信号由电压信号和指令角信号产生，该信号驱动多相电动机。来自电动机的电动机电流用单个分流器测量并转换为数字信号。基于数字信号和指令角信号，可以确定电机的直轴和四象限电流，并且可以至少部分基于直轴和象限来调整电压信号和指令角信号轴流。

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