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公开(公告)号：US20100090549A1
公开(公告)日：2010-04-15
申请号：US12249626
申请日：2008-10-10
申请人： William Dwight Gerstler , Xiaochun Shen , Ayman Mohamed Fawzi El-Refaie , John Michael Kern , Manoj Ramprasad Shah , Jeremy Daniel VanDam
发明人： William Dwight Gerstler , Xiaochun Shen , Ayman Mohamed Fawzi El-Refaie , John Michael Kern , Manoj Ramprasad Shah , Jeremy Daniel VanDam
CPC分类号： H02K15/022 , H02K3/24 , H02K9/005 , H02K21/222 , Y10T29/49009
摘要： A PM machine is provided. The PM machine includes a stator including a stator core, wherein the stator core defines multiple step-shaped stator slots. The stator includes multiple fractional-slot concentrated windings wound within the step-shaped stator slots. The stator also includes at least one cooling tube disposed around the windings. The stator further includes a first insulation layer disposed around the cooling tube. The stator also includes a second insulation layer disposed around the first insulation layer. The stator further includes at least one slot wedge configured to close an opening of a respective one of the step-shaped stator slots, wherein the slot wedge is further configured to adjust a leakage inductance in the PM machine. The PM machine also includes a rotor having a rotor core and disposed outside and concentric with the stator, wherein the rotor core includes a laminated back iron structure disposed around multiple magnets.
摘要翻译： 提供PM机。 PM机器包括定子，定子包括定子芯，其中定子铁芯限定多个阶梯形定子槽。 定子包括缠绕在阶梯形定子槽内的多个分数槽集中绕组。 定子还包括设置在绕组周围的至少一个冷却管。 定子还包括设置在冷却管周围的第一绝缘层。 定子还包括围绕第一绝缘层设置的第二绝缘层。 所述定子还包括至少一个狭槽楔，所述至少一个槽楔构造成封闭所述阶梯形定子槽中的相应一个的开口，其中所述槽楔进一步构造成调节所述PM机中的漏电感。 PM机还包括具有转子芯并且设置在外部并与定子同心的转子，其中转子芯包括设置在多个磁体周围的层压后铁结构。
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公开(公告)号：US20100237723A1
公开(公告)日：2010-09-23
申请号：US12407531
申请日：2009-03-19
申请人： William Dwight Gerstler , Manoj Ramprasad Shah , Hendrik Pieter Jacobus de Bock , Jeremy Daniel Van Dam , Ayman Mohamed Fawzi EL-Refaie
发明人： William Dwight Gerstler , Manoj Ramprasad Shah , Hendrik Pieter Jacobus de Bock , Jeremy Daniel Van Dam , Ayman Mohamed Fawzi EL-Refaie
IPC分类号： H02K9/00
CPC分类号： H02K3/24
摘要： A cooling system for an electrical machine is provided. The cooling system includes at least one baffle enclosing multiple endwindings, wherein the at least one baffle is configured to guide a cooling fluid flow to multiple regions of interest in the machine.
摘要翻译： 提供一种用于电机的冷却系统。 所述冷却系统包括至少一个包围多个末端风挡板的挡板，其中所述至少一个挡板构造成将冷却流体流引导到所述机器中的多个感兴趣区域。
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公开(公告)号：US07652404B2
公开(公告)日：2010-01-26
申请号：US11755784
申请日：2007-05-31
IPC分类号： H02K1/22
CPC分类号： H02K1/246
摘要： A synchronous reluctance machine is provided. The synchronous reluctance machine includes a stator having a stator core, the stator core including a number of fractional-slot concentrated windings wound around multiple stator teeth. The synchronous reluctance machine also includes a rotor having a rotor core and disposed with an air gap inside and concentric with the stator, wherein the rotor core includes a number of laminated sheets, wherein each of the laminated sheets is axially skewed with respect to neighboring ones of the laminated sheets, and wherein each of the laminated sheets includes multiple ferromagnetic regions and multiple non-ferromagnetic regions formed of a single material.
摘要翻译： 提供同步磁阻电机。 同步磁阻电机包括具有定子芯的定子，定子芯包括缠绕在多个定子齿上的多个分数槽集中绕组。 同步磁阻电机还包括转子，该转子具有转子铁心并且设置有与定子同心的气隙，其中转子铁芯包括多个层压板，其中每个层压板相对于相邻的板轴向倾斜 的层叠片材，并且其中每个层压片材包括由单一材料形成的多个铁磁区域和多个非铁磁区域。
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公开(公告)号：US20080157622A1
公开(公告)日：2008-07-03
申请号：US11649395
申请日：2007-01-03
CPC分类号： H02K3/28 , H02K11/20 , H02K21/16 , H02K2213/06 , H02K2213/09
摘要： A system is provided in a permanent magnet (PM) machine comprises a stator, a rotor configured to rotate relative to the stator, a first set of windings disposed within the stator; and a second set of windings wound back and forth toroidally around the circumference of the stator. In accordance with an embodiment of the present technique the set of windings is configured to generate a magnetic flux saturating the stator so as to limit fault currents within the PM machine.
摘要翻译： 在永久磁铁（PM）机器中设有一个系统，该永久磁铁包括一个定子，一个配置成相对于定子旋转的转子，设置在定子内的第一组绕组; 并且第二组绕组围绕定子的圆周环绕地卷绕。 根据本技术的实施例，该组绕组被配置为产生使定子饱和的磁通量，以便限制PM机器内的故障电流。
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公开(公告)号：US07791237B2
公开(公告)日：2010-09-07
申请号：US11612912
申请日：2006-12-19
摘要： A fault tolerant synchronous permanent magnet machine is disclosed that reduces rotor losses by limiting eddy-current losses in the retaining sleeve. The machine limits eddy-current loss by any one or combination of axially segmenting the retaining sleeve, providing a highly electrically conductive non-magnetic shield to the retaining sleeve, and by configuring stator teeth width, stator teeth tip width, and slot distribution of the stator.
摘要翻译： 公开了一种容错同步永磁电机，其通过限制保持套筒中的涡流损耗来减小转子损耗。 该机器通过轴向分段保持套筒的任一个或组合来限制涡流损失，为保持套筒提供高导电非磁性屏蔽，并通过配置定子齿宽度，定子齿尖宽度和槽分布 定子。
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公开(公告)号：US20100090557A1
公开(公告)日：2010-04-15
申请号：US12249620
申请日：2008-10-10
申请人： Ayman Mohamed Fawzi El-Refaie , John Michael Kern , Manoj Ramprasad Shah , William Dwight Gerstler , Jeremy Daniel VanDam
发明人： Ayman Mohamed Fawzi El-Refaie , John Michael Kern , Manoj Ramprasad Shah , William Dwight Gerstler , Jeremy Daniel VanDam
摘要： A PM machine is provided. The PM machine includes a stator including a stator core, wherein the stator core defines multiple step-shaped stator slots. The stator includes multiple fractional-slot concentrated windings wound within the step-shaped stator slots. The stator also includes at least one slot wedge configured to close an opening of a respective one of the step-shaped stator slots, wherein the slot wedge is further configured to adjust the leakage inductance in the PM machine. The PM machine also includes a rotor having a rotor core and disposed outside and concentric with the stator, wherein the rotor core includes a laminated back iron structure disposed around multiple axially-segmented magnets.
摘要翻译： 提供PM机。 PM机器包括定子，定子包括定子芯，其中定子铁芯限定多个阶梯形定子槽。 定子包括缠绕在阶梯形定子槽内的多个分数槽集中绕组。 定子还包括至少一个槽楔，其被构造成封闭相应的一个台阶式定子槽的开口，其中槽楔进一步构造成调节PM机中的漏电感。 PM机还包括具有转子芯并且设置在外部并与定子同心的转子，其中转子芯包括设置在多个轴向分段磁体周围的层叠后铁结构。
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公开(公告)号：US20080296994A1
公开(公告)日：2008-12-04
申请号：US11755784
申请日：2007-05-31
CPC分类号： H02K1/246
摘要： A synchronous reluctance machine is provided. The synchronous reluctance machine includes a stator having a stator core, the stator core including a number of fractional-slot concentrated windings wound around multiple stator teeth. The synchronous reluctance machine also includes a rotor having a rotor core and disposed with an air gap inside and concentric with the stator, wherein the rotor core includes a number of laminated sheets, wherein each of the laminated sheets is axially skewed with respect to neighboring ones of the laminated sheets, and wherein each of the laminated sheets includes multiple ferromagnetic regions and multiple non-ferromagnetic regions formed of a single material.
摘要翻译： 提供同步磁阻电机。 同步磁阻电机包括具有定子芯的定子，定子芯包括缠绕在多个定子齿上的多个分数槽集中绕组。 同步磁阻电机还包括转子，该转子具有转子铁心并且设置有与定子同心的气隙，其中转子铁芯包括多个层压板，其中每个层压板相对于相邻的板轴向倾斜 的层叠片材，并且其中每个层压片材包括由单一材料形成的多个铁磁区域和多个非铁磁区域。
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公开(公告)号：US20080143207A1
公开(公告)日：2008-06-19
申请号：US11612912
申请日：2006-12-19
IPC分类号： H02K21/14
摘要： A fault tolerant synchronous permanent magnet machine is disclosed that reduces rotor losses by limiting eddy-current losses in the retaining sleeve. The machine limits eddy-current loss by any one or combination of axially segmenting the retaining sleeve, providing a highly electrically conductive non-magnetic shield to the retaining sleeve, and by configuring stator teeth width, stator teeth tip width, and slot distribution of the stator.
摘要翻译： 公开了一种容错同步永磁电机，其通过限制保持套筒中的涡流损耗来减小转子损耗。 该机器通过轴向分段保持套筒的任一个或组合来限制涡流损失，为保持套筒提供高导电非磁性屏蔽，并通过配置定子齿宽度，定子齿尖宽度和槽分布 定子。
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19.发明授权On-line monitoring system for use with electrical assets and method of operating the same 有权用于电气资产的在线监测系统及其运行方法公开(公告)号：US09052350B2
公开(公告)日：2015-06-09
申请号：US13562514
申请日：2012-07-31
CPC分类号： G01R31/027 , G01F1/00 , G01F11/00 , G01F17/00 , G01R31/021 , G01R31/343
摘要： A system configured to monitor an operating electrical device includes a testing channel coupled to the device. The device is coupled to an electric power source through at least one electric power transmission channel. The power source is configured to transmit electric power at a first frequency. The testing channel is coupled to the power transmission channel. The system also includes a signal generator coupled to the testing channel. The signal generator is configured to inject testing signals into the testing channel at a second frequency that is greater than the first frequency. The system further includes at least one apparatus magnetically coupled to the power transmission channel. The magnetically coupled apparatus is configured to present a first impedance to the electric power at the first frequency and present a second impedance to the test signals at the second frequency. The second impedance is greater than the first impedance.
摘要翻译： 被配置为监视操作的电气设备的系统包括耦合到该设备的测试通道。 该装置通过至少一个电力传输通道耦合到电力源。 电源被配置为以第一频率发送电力。 测试通道耦合到电力传输通道。 该系统还包括耦合到测试通道的信号发生器。 信号发生器被配置为以大于第一频率的第二频率将测试信号注入测试信道。 该系统还包括磁耦合到电力传输通道的至少一个装置。 磁耦合装置被配置为以第一频率向电力呈现第一阻抗，并以第二频率向第一阻抗提供测试信号。 第二阻抗大于第一阻抗。
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公开(公告)号：US20140001893A1
公开(公告)日：2014-01-02
申请号：US13538197
申请日：2012-06-29
申请人： Jeremy Daniel Van Dam , Norman Arnold Turnquist , Tsarafidy Raminosoa , Manoj Ramprasad Shah , Xiaochun Shen
发明人： Jeremy Daniel Van Dam , Norman Arnold Turnquist , Tsarafidy Raminosoa , Manoj Ramprasad Shah , Xiaochun Shen
IPC分类号： H02K9/00
CPC分类号： F03B3/103 , F03B13/02 , F04D13/0646 , F24T10/20 , H02K1/20 , H02K5/12 , H02K5/1285 , H02K5/132 , H02K5/20 , H02K7/088 , H02K7/14 , H02K7/1823 , H02K9/19 , H02K16/00 , H02K21/22 , H02K2213/12 , Y02E10/14 , Y02E10/223
摘要： An electric machine is presented. The electric machine includes a hollow rotor; and a stator disposed within the hollow rotor, the stator defining a flow channel. The hollow rotor includes a first end portion defining a fluid inlet, a second end portion defining a fluid outlet; the fluid inlet, the fluid outlet, and the flow channel of the stator being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel; and wherein the hollow rotor is characterized by a largest cross-sectional area of hollow rotor, and wherein the flow channel is characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least about 25% of the largest cross-sectional area of the hollow rotor. An electric fluid pump and a power generation system are also presented.
摘要翻译： 介绍了电机。 电机包括中空转子; 以及设置在所述中空转子内的定子，所述定子限定流动通道。 中空转子包括限定流体入口的第一端部，限定流体出口的第二端部; 定子的流体入口，流体出口和流动通道被配置为允许流体经由流动通道从流体入口流体到流体出口; 并且其中所述中空转子的特征在于中空转子的最大横截面面积，并且其中所述流动通道的特征在于所述流动通道的最小横截面面积，其中所述流动通道的最小横截面面积在 至少占中空转子最大横截面面积的25％。 还提出了电动液压泵和发电系统。
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