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11. 发明申请

US20130002064A1 ELECTRICAL MACHINE 有权
标题翻译：电机
公开(公告)号：US20130002064A1
公开(公告)日：2013-01-03
申请号：US13171583
申请日：2011-06-29
申请人： Hendrik Pieter Jacobus De Bock , James Pellegrino Alexander , Ayman Mohamed Fawzi EL-Refaie , William Dwight Gerstler , Manoj Ramprasad Shah , Xiaochun Shen
发明人： Hendrik Pieter Jacobus De Bock , James Pellegrino Alexander , Ayman Mohamed Fawzi EL-Refaie , William Dwight Gerstler , Manoj Ramprasad Shah , Xiaochun Shen
IPC分类号： H02K9/19
CPC分类号： H02K1/32 , H02K5/20 , H02K9/19 , H02K9/197
摘要： An apparatus, such as an electrical machine, is provided. The apparatus can include a rotor defining a rotor bore and a conduit disposed in and extending axially along the rotor bore. The conduit can have an annular conduit body defining a plurality of orifices disposed axially along the conduit and extending through the conduit body. The rotor can have an inner wall that at least partially defines the rotor bore. The orifices can extend through the conduit body along respective orifice directions, and the rotor and conduit can be configured to provide a line of sight along the orifice direction from the respective orifices to the inner wall.
摘要翻译：提供了诸如电机的装置。该设备可以包括限定转子孔的转子和沿着转子孔轴向设置并沿轴向延伸的导管。导管可以具有环形导管体，其限定沿导管轴向设置并延伸穿过导管体的多个孔。转子可以具有至少部分地限定转子孔的内壁。孔可以沿着相应的孔方向延伸穿过管体，并且转子和管道可以被配置成沿着孔口方向从相应的孔口提供到内壁的视线。

12. 发明授权

US07605503B2 Fault-tolerant permanent magnet machine with reconfigurable stator core slot opening and back iron flux paths 有权
标题翻译：容错永磁电机具有可重新配置的定子铁芯槽开口和后铁通量路径
公开(公告)号：US07605503B2
公开(公告)日：2009-10-20
申请号：US11729513
申请日：2007-03-28
申请人： Ayman Mohamed Fawzi El-Rafai , John Michael Kern , Manoj Ramprasad Shah
发明人： Ayman Mohamed Fawzi El-Rafai , John Michael Kern , Manoj Ramprasad Shah
IPC分类号： H02K11/00
CPC分类号： H02K3/493 , H02K1/12 , H02K11/20 , H02K21/12 , H02K2213/06 , H02K2213/09
摘要： A permanent magnet (PM) machine includes a plurality of reconfigurable fault condition mechanisms disposed within a stator core portion, the plurality of reconfigurable fault condition mechanisms together automatically reconfigurable to reduce fault currents and internal heat associated with the PM machine during a fault condition. The plurality of reconfigurable fault condition mechanisms are disposed solely within the stator core portion according to one embodiment to automatically reduce stator winding fault currents and internal heat associated with the PM machine during a fault condition. A method of reconfiguring the fault condition mechanisms upon detecting a fault condition includes the steps of 1) selecting the plurality of reconfigurable fault condition mechanisms from a) a plurality of rotatable magnetically anisotropic cylinders disposed both within a stator back iron and stator slot openings, and b) a plurality of rotatable magnetically anisotropic cylinders disposed within a stator back iron and a sliding shield disposed with a stator slot opening portion of the stator core, and 2) reconfiguring the plurality of fault condition mechanisms together to automatically reduce fault currents associated with the PM machine upon detection of a fault condition.
摘要翻译：永磁体（PM）机器包括设置在定子铁芯部分内的多个可重新配置的故障状态机构，所述多个可重新配置的故障状态机构可一起自动重构，以在故障状态期间减少与PM机器相关联的故障电流和内部热量。根据一个实施例，多个可重构故障条件机构仅设置在定子铁芯部分内，以在故障状态期间自动减少与PM机相关联的定子绕组故障电流和内部热。一种在检测到故障状况时重新配置故障状态机制的方法包括以下步骤：1）从设置在定子后铁和定子槽口内的多个可旋转磁各向异性气缸选择多个可重构故障状态机构，以及 b）设置在定子背铁内的多个可旋转磁各向异性气缸和设置有定子芯的定子槽开口部分的滑动屏蔽，以及2）将多个故障状态机构重新组合在一起以自动减少与 PM机器在检测到故障状况时。

13. 发明授权

US07113899B2 Method and system for designing an electric machine stator including keybars 失效
标题翻译：设计包括键盘的电机定子的方法和系统
公开(公告)号：US07113899B2
公开(公告)日：2006-09-26
申请号：US09681571
申请日：2001-05-01
申请人： Manoj Ramprasad Shah , Sameh Ramadan Salem
发明人： Manoj Ramprasad Shah , Sameh Ramadan Salem
IPC分类号： G06G7/48 , G06F17/50 , H02K1/00 , H02K1/12 , H02K15/14
CPC分类号： H02K1/185 , H02K11/01 , Y10T29/49009
摘要： Keybar voltages in electric machines are reduced by electromagnetically optimizing the positioning of the keybars with respect to stator winding phase belts, the selection of the number of keybars, the selection of the number of stator slots, and/or the direction of rotation of a rotor with respect to the stator.
摘要翻译：通过电磁优化键盘相对于定子绕组相带的定位，选择数量的键盘，选择定子槽的数量和/或转子的旋转方向来减少电机中的键槽电压相对于定子。

14. 发明授权

US06873236B2 Fault current limiter 失效
公开(公告)号：US06873236B2
公开(公告)日：2005-03-29
申请号：US09682852
申请日：2001-10-24
申请人： Manoj Ramprasad Shah , William James Premerlani , Patricia Chapman Irwin , Guanzhong Gao , Nancy Ellen Frost , Karen Broadwell Lausier
发明人： Manoj Ramprasad Shah , William James Premerlani , Patricia Chapman Irwin , Guanzhong Gao , Nancy Ellen Frost , Karen Broadwell Lausier
IPC分类号： H01F27/28 , H01F27/32 , H01F37/00 , H01F27/10
CPC分类号： H01F37/005 , H01F27/2823 , H01F27/2847 , H01F27/322
摘要： A fault current limiter (FCL) comprises: an air core flat clock spiral inductor comprising wound electrically conductive material and insulated turns; and two terminations configured for attaching the spiral inductor in series with a power carrying conductor.

15. 发明授权

US06794884B2 Method and system for evaluating core stack pressure 有权
标题翻译：评估堆芯压力的方法和系统
公开(公告)号：US06794884B2
公开(公告)日：2004-09-21
申请号：US10142342
申请日：2002-05-10
申请人： Gerald Burt Kliman , John Andrew Mallick , Manoj Ramprasad Shah , Sang Bing Lee
发明人： Gerald Burt Kliman , John Andrew Mallick , Manoj Ramprasad Shah , Sang Bing Lee
IPC分类号： G01R3106
CPC分类号： G01L1/12 , G01L5/0076 , G01R31/34
摘要： A method for evaluating core stack pressure includes: positioning a magnetic yoke near the core, the magnetic yoke being wound by an excitation winding; supplying current to the excitation winding to inject magnetic flux into the core; measuring a signal resulting from the injected magnetic flux; and using the measured signal to evaluate the core stack pressure. A system for implementing the method includes the magnetic yoke; a current supply for supplying the current; a sensor for measuring the signal; and a computer for using the measured signal to evaluate core stack pressure.
摘要翻译：核心堆叠压力的评价方法包括：在磁芯附近定位磁轭，磁轭由励磁绕组缠绕; 向励磁绕组提供电流以将磁通量注入到芯中; 测量由注入的磁通量产生的信号; 并使用测量的信号来评估堆芯压力。一种实现该方法的系统包括：磁轭; 用于供应电流的电流供应; 用于测量信号的传感器; 以及使用测量信号来评估芯堆叠压力的计算机。

16. 发明授权

US06608419B2 Flux shunt for a power generator stator assembly 有权
标题翻译：用于发电机定子组件的磁通分流器
公开(公告)号：US06608419B2
公开(公告)日：2003-08-19
申请号：US09749197
申请日：2000-12-27
申请人： Manoj Ramprasad Shah , Sameh Ramadan Salem , Ronald Irving Longwell
发明人： Manoj Ramprasad Shah , Sameh Ramadan Salem , Ronald Irving Longwell
IPC分类号： H02K100
CPC分类号： H02K1/185 , H02K1/16 , H02K11/01 , H02K11/40
摘要： A power generator that operates at a reduced temperature level includes a flux shunt that reduces the amount of fringing magnetic flux axially impinging upon a stator, flange, and multiple keybars during operation of the generator. By reducing the amount of axially impinging flux, the flux shunt reduces an operating temperature of the stator and flange and reduces a voltage differential between keybar voltages induced by the flux in the multiple keybars.
摘要翻译：在降低的温度水平下运行的发电机包括磁通分流器，其减小在发电机运行期间轴向撞击定子，凸缘和多个键盘的边缘磁通量的量。通过减小轴向入射通量，磁通分流降低了定子和凸缘的工作温度，并降低了由多个键棒中的焊剂引起的键槽电压之间的电压差。

17. 发明授权

US09343939B2 Electric motor structure to minimize electro-magnetic interference 有权
标题翻译：电机结构使电磁干扰最小化
公开(公告)号：US09343939B2
公开(公告)日：2016-05-17
申请号：US12977800
申请日：2010-12-23
申请人： Michael Joseph Schutten , Manoj Ramprasad Shah , Satish Prabhakaran , Robert James Thomas
发明人： Michael Joseph Schutten , Manoj Ramprasad Shah , Satish Prabhakaran , Robert James Thomas
IPC分类号： H02K3/34 , H02M1/44 , H02K11/02 , H02K3/487 , H02K11/00 , H02M1/12
CPC分类号： H02K3/345 , H02K3/487 , H02K11/01 , H02K11/022 , H02M1/44 , H02M2001/123
摘要： An electric motor is configured with a stator core assembly that includes a stator core having a plurality of winding slots. A plurality of stator windings pass through the plurality of winding slots that include slot liners configured to provide electrostatic shields surrounding the plurality of stator windings. The electrostatic shields are referenced to an electrical location to reduce common mode currents associated with the electric motor.
摘要翻译：电动机构造有定子铁芯组件，其包括具有多个绕组槽的定子铁芯。多个定子绕组通过多个绕组槽，其包括配置成提供围绕多个定子绕组的静电屏蔽的槽衬套。静电屏蔽以电气位置为基础，以减少与电动机相关联的共模电流。

18. 发明申请

US20130308361A1 TRANSFORMER TAP-CHANGING CIRCUIT AND METHOD OF MAKING SAME 有权
标题翻译：变压器变位电路及其制造方法
公开(公告)号：US20130308361A1
公开(公告)日：2013-11-21
申请号：US13475186
申请日：2012-05-18
申请人： Robert Louis Steigerwald , Robert Dean King , Manoj Ramprasad Shah
发明人： Robert Louis Steigerwald , Robert Dean King , Manoj Ramprasad Shah
IPC分类号： H02M7/155 , H05K13/00
CPC分类号： H02M5/12 , H02M7/162 , H02M7/217 , H02M7/77 , H02M7/81 , Y10T29/49117
摘要： A transformer tap-changing circuit comprises an apparatus that includes a transformer comprising a secondary winding configured to inductively couple to a primary winding when a current is passed through the primary winding from an energy source, a first rectifier coupled to the secondary winding and configured to rectify a first AC voltage from the secondary winding into a first DC voltage, and a second rectifier coupled to the secondary winding and configured to rectify a second AC voltage from the secondary winding into a second DC voltage. The apparatus also includes a DC bus coupled to the first and second rectifiers and configured to receive the first and second DC voltages therefrom, wherein the first AC voltage is higher than the second AC voltage, and wherein the first DC voltage is higher than the second DC voltage.
摘要翻译：变压器抽头改变电路包括一种装置，其包括变压器，该变压器包括次级绕组，其被配置为当电流从能量源通过初级绕组时感应耦合到初级绕组，第一整流器耦合到次级绕组并且被配置为将来自次级绕组的第一AC电压整流为第一DC电压，以及耦合到次级绕组的第二整流器，并且被配置为将来自次级绕组的第二AC电压整流为第二DC电压。该装置还包括耦合到第一和第二整流器并被配置为从其接收第一和第二DC电压的DC总线，其中第一AC电压高于第二AC电压，并且其中第一DC电压高于第二DC电压直流电压。

19. 发明申请

US20130195695A1 HOLLOW ROTOR MOTOR AND SYSTEMS COMPRISING THE SAME 审中-公开
标题翻译：中空转子电动机和包括它的系统
公开(公告)号：US20130195695A1
公开(公告)日：2013-08-01
申请号：US13408202
申请日：2012-02-29
申请人： Jeremy Daniel Van Dam , Manoj Ramprasad Shah , Norman Arnold Turnquist
发明人： Jeremy Daniel Van Dam , Manoj Ramprasad Shah , Norman Arnold Turnquist
IPC分类号： F04B17/00 , H02K9/00
CPC分类号： H02K5/124 , F03B3/103 , F03B13/02 , F03G7/04 , H02K1/278 , H02K5/132 , H02K7/14 , H02K2201/03
摘要： In one or more embodiments, the present invention provides electric motors and related systems comprising (a) a motor housing; and (b) a hollow rotor configured to rotate within and be driven by a stator contained within the motor housing; wherein the motor housing is characterized by a largest cross-sectional area of the motor housing, and wherein the hollow rotor defines a flow channel characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least 25% of the largest cross-sectional area of the motor housing, and wherein the hollow rotor has a first end portion defining a fluid inlet, and a second end portion defining a fluid outlet; the fluid inlet, the flow channel and the fluid outlet being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel.
摘要翻译：在一个或多个实施例中，本发明提供电动机和相关系统，包括（a）电动机壳体; 和（b）中空转子，其构造成在包含在所述电动机壳体内的定子内旋转并由其驱动; 其中所述马达壳体的特征在于所述马达壳体的最大横截面面积，并且其中所述中空转子限定流路，其特征在于所述流动通道的最小横截面面积，其中所述流动的最小横截面面积通道是电动机壳体的最大横截面面积的至少25％，并且其中中空转子具有限定流体入口的第一端部和限定流体出口的第二端部; 流体入口，流动通道和流体出口构造成允许流体经由流动通道从流体入口流体到流体出口。

20. 发明授权

US08018110B2 High speed internal permanent magnet machine and method of manufacturing the same 有权
标题翻译：高速内置永磁电机及其制造方法
公开(公告)号：US08018110B2
公开(公告)日：2011-09-13
申请号：US12432885
申请日：2009-04-30
申请人： James Pellegrino Alexander , Ayman Mohamed Fawzi EL-Refaie , Murtuza Lokhandwalla , Manoj Ramprasad Shah , Jeremy Daniel VanDam
发明人： James Pellegrino Alexander , Ayman Mohamed Fawzi EL-Refaie , Murtuza Lokhandwalla , Manoj Ramprasad Shah , Jeremy Daniel VanDam
IPC分类号： H02K21/12 , H02K1/06
CPC分类号： H02K1/2773 , H02K1/32 , H02K7/1838 , Y10T29/49012
摘要： An internal permanent magnet (IPM) machine is provided. The IPM machine includes a stator assembly and a stator core. The stator core also includes multiple stator teeth. The stator assembly is further configured with stator windings to generate a magnetic field when excited with alternating currents and extends along a longitudinal axis with an inner surface defining a cavity. The IPM machine also includes a rotor assembly and a rotor core. The rotor core is disposed inside the cavity and configured to rotate about the longitudinal axis. The rotor assembly further includes a shaft. The shaft further includes multiple protrusions alternately arranged relative to multiple bottom structures provided on the shaft. The rotor assembly also includes multiple stacks of laminations disposed on the protrusions and dovetailed circumferentially around the shaft. The rotor assembly further includes multiple permanent magnets for generating a magnetic field, which interacts with the stator magnetic field to produce torque. The permanent magnets are disposed between the stacks. The rotor assembly also includes multiple bottom wedges disposed on the bottom structures of the shaft and configured to hold the multiple stacks and the multiple permanent magnets.
摘要翻译：提供内置永磁（IPM）机器。 IPM机器包括定子组件和定子芯。定子芯还包括多个定子齿。定子组件进一步配置有定子绕组以在用交流电流激发时产生磁场，并且沿着纵向轴线延伸，并且内表面限定空腔。 IPM机器还包括转子组件和转子芯。转子芯设置在空腔内并且构造成围绕纵向轴线旋转。转子组件还包括轴。轴还包括相对于设置在轴上的多个底部结构交替布置的多个突起。转子组件还包括设置在突起上的多个叠片堆叠，并且围绕轴线周向燕尾。转子组件还包括用于产生磁场的多个永磁体，其与定子磁场相互作用以产生转矩。永磁体设置在堆叠之间。转子组件还包括设置在轴的底部结构上并被构造成保持多个堆叠和多个永磁体的多个底部楔块。

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