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1.发明申请公开(公告)号：US20080303370A1
公开(公告)日：2008-12-11
申请号：US11759261
申请日：2007-06-07
摘要： Permanent magnet motors with improved torque ripple and methods for designing the same have been provided. The permanent magnet motor can include a stator having a hollow core and defining a plurality of slots; a winding disposed in each of the slots; a rotor rotatably disposed inside the hollow core of the stator; and a plurality of permanent magnets supported by the rotor. Each of the slots has a slot opening, and at least one of the slot openings can be off-center with respect to the respective slot.
摘要翻译： 已经提供了具有改进的扭矩波动的永磁电动机及其设计方法。 永磁电动机可以包括具有中空芯并定义多个槽的定子; 布置在每个槽中的绕组; 可旋转地设置在定子的中空芯内的转子; 以及由转子支撑的多个永磁体。 每个狭槽具有槽口，并且至少一个槽口可以相对于相应的槽偏心。
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2.发明授权Permanent magnet motor with stator having asymmetric slots for reducing torque ripple 有权具有定子的永磁电动机具有用于减小转矩波动的非对称槽公开(公告)号：US07969058B2
公开(公告)日：2011-06-28
申请号：US11759261
申请日：2007-06-07
摘要： Permanent magnet motors with improved torque ripple and methods for designing the same have been provided. The permanent magnet motor can include a stator having a hollow core and defining a plurality of slots; a winding disposed in each of the slots; a rotor rotatably disposed inside the hollow core of the stator; and a plurality of permanent magnets supported by the rotor. Each of the slots has a slot opening, and at least one of the slot openings can be off-center with respect to the respective slot.
摘要翻译： 已经提供了具有改进的扭矩波动的永磁电动机及其设计方法。 永磁电动机可以包括具有中空芯并定义多个槽的定子; 布置在每个槽中的绕组; 可旋转地设置在定子的中空芯内的转子; 以及由转子支撑的多个永磁体。 每个狭槽具有槽口，并且至少一个槽口可以相对于相应的槽偏心。
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3.发明授权Multi-layer magnet arrangement in a permanent magnet machine for a motorized vehicle 有权用于机动车辆的永磁机中的多层磁体布置公开(公告)号：US07847461B2
公开(公告)日：2010-12-07
申请号：US11758923
申请日：2007-06-06
IPC分类号： H02K21/12
CPC分类号： H02K1/2766 , H02K1/276
摘要： A permanent magnet machine includes a stator having a hollow core, a rotor rotatably disposed inside the hollow core, and a plurality of multilayered permanent magnets embedded in the rotor. Each multilayered permanent magnet has opposite first and second ends, and includes a first magnet disposed at the first end, and a second magnet disposed at the second end and coupled to the first magnet. The second magnet has higher magnet strength than the first magnet, and also has lower high-temperature stability than the first magnet.
摘要翻译： 一种永久磁铁机，其特征在于，包括具有中空芯的定子，可旋转地配置在所述中空芯内部的转子，以及嵌入在所述转子中的多个多层永磁体。 每个多层永磁体具有相对的第一端和第二端，并且包括设置在第一端的第一磁体和设置在第二端并耦合到第一磁体的第二磁体。 第二磁体具有比第一磁体更高的磁体强度，并且还具有比第一磁体更低的高温稳定性。
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4.发明申请MULTI-LAYER MAGNET ARRANGEMENT IN A PERMANENT MAGNET MACHINE FOR A MOTORIZED VEHICLE 有权用于摩托车的永磁电机中的多层磁铁布置公开(公告)号：US20080303368A1
公开(公告)日：2008-12-11
申请号：US11758923
申请日：2007-06-06
IPC分类号： H02K21/12
CPC分类号： H02K1/2766 , H02K1/276
摘要： A permanent magnet machine includes a stator having a hollow core, a rotor rotatably disposed inside the hollow core, and a plurality of multilayered permanent magnets embedded in the rotor. Each multilayered permanent magnet has opposite first and second ends, and includes a first magnet disposed at the first end, and a second magnet disposed at the second end and coupled to the first magnet. The second magnet has higher magnet strength than the first magnet, and also has lower high-temperature stability than the first magnet.
摘要翻译： 一种永久磁铁机，其特征在于，包括具有中空芯的定子，可旋转地配置在所述中空芯内部的转子，以及嵌入在所述转子中的多个多层永磁体。 每个多层永磁体具有相对的第一端和第二端，并且包括设置在第一端的第一磁体和设置在第二端并耦合到第一磁体的第二磁体。 第二磁体具有比第一磁体更高的磁体强度，并且还具有比第一磁体更低的高温稳定性。
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公开(公告)号：US09154019B2
公开(公告)日：2015-10-06
申请号：US13494163
申请日：2012-06-12
IPC分类号： H02K11/00
CPC分类号： H02K11/0005 , H02K11/01 , H02K11/225
摘要： A hub assembly for an electric machine includes a rotor hub and a machine rotor. Rotation of the machine rotor generates an electromagnetic (EM) field. The hub assembly includes a resolver rotor that encodes an angular position of the machine rotor as a set of resolver signals. An EM field barrier ring between the resolver rotor and the rotor hub adds a magnetic barrier between the machine rotor and the resolver rotor to reduce noise in the resolver signals. The resolver rotor may be bonded to the EM field barrier ring. The EM field barrier ring may have an L-shaped cross section, and may be press-fitted into a pocket of the rotor hub. A vehicle includes a transmission having an input member and an electric machine having a rotor shaft connected to the input member of the transmission. The electric machine includes the hub assembly noted above.
摘要翻译： 一种用于电机的轮毂组件包括转子轮毂和机器转子。 机器转子的旋转产生电磁（EM）场。 轮毂组件包括一个旋转变压器转子，其将机器转子的角位置编码为一组旋转变压器信号。 旋转变压器转子和转子轮毂之间的EM磁场阻挡环在机器转子和旋转变压器转子之间增加了磁屏障，以减小旋转变压器信号的噪音。 旋转变压器转子可以结合到EM场屏障环上。 EM场阻挡环可以具有L形横截面，并且可以压配合到转子毂的凹部中。 车辆包括具有输入构件的变速器和具有连接到变速器的输入构件的转子轴的电机。 电机包括上述的轮毂组件。
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6.发明授权Methods and apparatus for a permanent magnet machine with an added air barrier 有权具有附加空气屏障的永磁机的方法和装置公开(公告)号：US08138651B2
公开(公告)日：2012-03-20
申请号：US12269463
申请日：2008-11-12
CPC分类号： H02K1/2766 , Y02T10/641 , Y10T29/49012
摘要： An internal permanent magnet machine (“IPM machine”) of the type used, for example, with traction motors and hybrid electric vehicles, includes a rotor with an additional air barrier provided above the first magnet barrier in the same rotor slot. Each magnet only fills a portion of each cavity, thereby defining the air barriers. The added air barrier above the permanent magnet of the first layer acts as a barrier to the first layer magnet and lowers the magnet flux.
摘要翻译： 用于例如牵引电动机和混合电动车的类型的内部永久磁铁机（“IPM机”）包括在相同转子槽中设置在第一磁体屏障上方的附加空气阻挡件的转子。 每个磁体仅填充每个空腔的一部分，从而限定空气屏障。 第一层永久磁铁上方的附加空气阻挡层作为第一层磁体的阻挡层，降低磁通量。
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公开(公告)号：US08129880B2
公开(公告)日：2012-03-06
申请号：US11940407
申请日：2007-11-15
IPC分类号： H02K3/48
摘要： Methods and apparatus are provided for improving operational characteristics of a concentrated winding machine. According to an example embodiment, an apparatus comprises stator teeth having distal ends, the stator teeth arranged in an annular fashion about an axis to define stator slots between adjacent teeth and slot openings between the distal ends of the adjacent teeth, the stator teeth structured to prevent relative movement between adjacent teeth. The apparatus further comprises magnetic wedges structured to be inserted between the distal ends of the adjacent teeth to close the slot openings.
摘要翻译： 提供了用于改善集中绕线机的操作特性的方法和装置。 根据示例性实施例，一种设备包括具有远端的定子齿，定子齿围绕轴线以环形方式布置，以在相邻齿之间限定定子槽和相邻齿的远端之间的狭槽开口，定子齿构造成 防止相邻牙齿之间的相对运动。 该装置还包括构造成插入相邻齿的远端之间的磁楔，以闭合槽开口。
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公开(公告)号：US20130328454A1
公开(公告)日：2013-12-12
申请号：US13494163
申请日：2012-06-12
IPC分类号： H02K11/00
CPC分类号： H02K11/0005 , H02K11/01 , H02K11/225
摘要： A hub assembly for an electric machine includes a rotor hub and a machine rotor. Rotation of the machine rotor generates an electromagnetic (EM) field. The hub assembly includes a resolver rotor that encodes an angular position of the machine rotor as a set of resolver signals. An EM field barrier ring between the resolver rotor and the rotor hub adds a magnetic barrier between the machine rotor and the resolver rotor to reduce noise in the resolver signals. The resolver rotor may be bonded to the EM field barrier ring. The EM field barrier ring may have an L-shaped cross section, and may be press-fitted into a pocket of the rotor hub. A vehicle includes a transmission having an input member and an electric machine having a rotor shaft connected to the input member of the transmission. The electric machine includes the hub assembly noted above.
摘要翻译： 一种用于电机的轮毂组件包括转子轮毂和机器转子。 机器转子的旋转产生电磁（EM）场。 轮毂组件包括一个旋转变压器转子，其将机器转子的角位置编码为一组旋转变压器信号。 旋转变压器转子和转子轮毂之间的EM磁场阻挡环在机器转子和旋转变压器转子之间增加了磁屏障，以减小旋转变压器信号的噪音。 旋转变压器转子可以结合到EM场屏障环上。 EM场阻挡环可以具有L形横截面，并且可以压配合到转子毂的凹部中。 车辆包括具有输入构件的变速器和具有连接到变速器的输入构件的转子轴的电机。 电机包括上述的轮毂组件。
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公开(公告)号：US07847579B2
公开(公告)日：2010-12-07
申请号：US11769842
申请日：2007-06-28
CPC分类号： G01M15/042 , G01R31/343 , H02K15/00
摘要： Methods and systems for evaluating a permanent magnet motor are provided. The method includes the steps of spinning a rotor of the permanent magnet motor; determining a total harmonic distortion of the permanent magnet motor; and comparing the determined total harmonic distortion of the permanent magnet motor with a baseline total harmonic distortion.
摘要翻译： 提供了用于评估永磁电动机的方法和系统。 该方法包括旋转永磁电动机的转子的步骤; 确定永磁电动机的总谐波失真; 并且将确定的永磁电动机的总谐波失真与基线总谐波失真进行比较。
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公开(公告)号：US07759965B2
公开(公告)日：2010-07-20
申请号：US11769842
申请日：2007-06-28
摘要： Methods and systems for evaluating a permanent magnet motor are provided. The method includes the steps of spinning a rotor of the permanent magnet motor; determining a total harmonic distortion of the permanent magnet motor; and comparing the determined total harmonic distortion of the permanent magnet motor with a baseline total harmonic distortion.
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