公开(公告)号：US20060244335A1

公开(公告)日：2006-11-02

申请号：US10500624

申请日：2003-04-11

Applicant: Takashi Miyazaki ,  Tomohiro Kikuchi ,  Haruyuki Kometani ,  Shinichi Yamaguchi

Inventor： Takashi Miyazaki ,  Tomohiro Kikuchi ,  Haruyuki Kometani ,  Shinichi Yamaguchi

IPC: H02K5/24 ,  H02K21/12 ,  H02K1/00

CPC classification number: H02K1/278 ,  H02K29/03 ,  H02K2201/06

Abstract: A permanent magnet electric motor 10 comprises a rotor 30 provided with two stages of permanent magnets in the axial direction on an outer circumferential face of a rotor iron core, and having a shaft shifted by a stage skew angle θr in electrical angle to decrease a first frequency component of cogging torque in the circumferential direction of the rotor iron core between two stages of the permanent magnets, a stator iron core 21 of cylindrical shape provided with the stator winding for producing a rotating magnetic field causing the rotor 30 to be rotated, and a stator 20 dividing the stator iron core 21 into plural blocks in the axial direction, and shifted by a stage skew angle θs in electrical angle to decrease a second frequency component of the cogging torque in the circumferential direction of the stator iron core 21.

Abstract translation: 永磁电动机10包括：转子30，其在转子铁芯的外周面上沿轴向设置有两级永磁体，并且具有以电角度偏移阶段倾斜角度的轴，以减少第一 在转子铁芯的两个阶段的永久磁铁的周向上的齿槽转矩的频率分量，具有定子绕组的圆筒形的定子铁芯21，用于产生使转子30旋转的旋转磁场，以及 定子20将定子铁芯21沿轴向分割为多个块，并且以电角度偏移台斜面角度，以减小定子铁芯21的圆周方向上的齿槽转矩的第二频率分量。

公开(公告)号：US07067948B2

公开(公告)日：2006-06-27

申请号：US10681343

申请日：2003-10-09

Applicant: Shinichi Yamaguchi ,  Haruyuki Kometani ,  Tomohiro Kikuchi ,  Takashi Miyazaki

Inventor： Shinichi Yamaguchi ,  Haruyuki Kometani ,  Tomohiro Kikuchi ,  Takashi Miyazaki

IPC: H02K21/22 ,  H02K21/14 ,  H02K21/16 ,  H02K1/27

CPC classification number: H02K1/278 ,  H02K21/16 ,  H02K2201/06

Abstract: A permanent-magnet rotating machine includes a rotor having a rotor core carrying on a curved outer surface multiple permanent magnets arranged in two rows along an axial direction. The permanent magnets in one row are skewed from those in the other row in a circumferential direction by a row-to-row skew angle (electrical angle) θe. A stator having a tubular stator core in which the rotor disposed includes stator coils for producing a rotating magnetic field for rotating the rotor. A lower limit of the row-to-row skew angle θe larger than 30 degrees (electrical angle). A ratio of cogging torque occurring in the absence of skew to cogging torque occurring when the permanent magnets are skewed, at a row-to-row skew angle of 30 degrees is calculated based on the cogging torque ratio, the row-to-row skew angle θe, and B-H curve properties of the stator core. An upper limit of the row-to-row skew angle θe is not larger than the maximum value at which the cogging torque ratio does not exceed the calculated cogging torque ratio at 30 degrees.

Abstract translation: 永磁旋转机械包括具有转子芯的转子，转子芯沿弯曲的外表面沿着轴向布置成两排的多个永磁体。 一行中的永磁体在圆周方向上与另一排中的永磁体相互倾斜一行到一行的倾斜角（电角度）θe。 具有管状定子芯的定子，其中设置的转子包括用于产生用于旋转转子的旋转磁场的定子线圈。 行至歪斜角度θe的下限大于30度（电角度）。 根据齿槽转矩比计算出当以永久磁铁歪斜，以30度的行歪斜角度发生的倾斜不发生齿槽转矩的齿槽转矩与齿槽转矩的比率， 角度θe和BH曲线特性。 行间行偏斜角度θe的上限不大于齿槽转矩比不超过30度时的计算齿槽转矩比的最大值。

公开(公告)号：US20050212375A1

公开(公告)日：2005-09-29

申请号：US11137582

申请日：2005-05-26

Applicant: Toshio Yamamoto ,  Shinji Santo ,  Yasuhide Ito ,  Yoshiki Nakano

Inventor： Toshio Yamamoto ,  Shinji Santo ,  Yasuhide Ito ,  Yoshiki Nakano

IPC: H02K1/14 ,  H02K1/24 ,  H02K1/30 ,  H02K3/18 ,  H02K23/04 ,  H02K23/40 ,  H02K1/00 ,  H02K1/06 ,  H02K1/22

CPC classification number: H02K1/24 ,  H02K1/148 ,  H02K1/30 ,  H02K3/18 ,  H02K23/04 ,  H02K23/40 ,  H02K2201/06

Abstract: Teeth of a first core sub-part and teeth of a second core sub-part are alternately arranged in a circumferential direction. Each tooth has a tooth main body, which may include two tilted portions at two opposed circumferential ends, respectively, of the tooth main body. Each tilted portion is angled relative to a corresponding direction parallel to the axial direction of the core. Each one of the first and second core sub-parts may have fitting recesses and fitting projections, which are engaged with the fitting projections and the fitting recesses of the other one of the first and second core sub-parts. Each tapered wall surface of each fitting recess is angled relative to a corresponding direction parallel to the axial direction. Similarly, each tapered wall surface of each fitting projection is angled relative to a corresponding direction parallel to the axial direction.

Abstract translation: 第一芯子部分的齿和第二芯子部分的齿在圆周方向上交替布置。 每个齿都具有一个齿主体，它可以分别在齿主体的两个相对的圆周端处包括两个倾斜部分。 每个倾斜部分相对于平行于芯部的轴向的相应方向成角度。 第一和第二芯子部分中的每一个可以具有配合凹部和嵌合突起，其与配合突起和第一和第二芯子部分中的另一个的配合凹部接合。 每个装配凹部的每个锥形壁表面相对于平行于轴向方向的相应方向成角度。 类似地，每个配件突起的每个锥形壁表面相对于平行于轴向的相应方向成角度。

公开(公告)号：US20050200220A1

公开(公告)日：2005-09-15

申请号：US11119983

申请日：2005-05-02

Applicant: Carl Godfrey

Inventor： Carl Godfrey

IPC: H02K1/27 ,  H02K21/14 ,  H02K53/00

CPC classification number: H02K1/278 ,  H02K16/02 ,  H02K21/14 ,  H02K2201/06

Abstract: An electromagnetic motor employing plural rotors is provided, with each rotor exhibiting a permanent magnetic field. A control module selectively induces magnetic fields in electromagnetic pads surrounding each of the rotors. Through the interaction of the permanent and induced magnetic fields, the rotors can turn. As a result, a shaft mechanically engaging the rotors also turns to provide mechanical power. In response to the shaft rotation, an alternator generates sufficient electrical power to sustain the operation of the control module without an external power source. The magnetic polarities of the induced magnetic fields can be reversed, thus causing the rotors to continue turning. In various applications, the motor can be installed in a vehicle or in a building power supply as desired.

Abstract translation: 提供采用多个转子的电磁马达，每个转子呈现永久磁场。 控制模块选择性地在围绕每个转子的电磁焊盘中感应出磁场。 通过永久和感应磁场的相互作用，转子可以转动。 结果，机械地接合转子的轴也转动以提供机械动力。 响应于轴旋转，交流发电机产生足够的电功率以在没有外部电源的情况下维持控制模块的操作。 感应磁场的磁极性可以颠倒，从而导致转子继续转动。 在各种应用中，电动机可以根据需要安装在车辆或建筑物电源中。

公开(公告)号：US20050179334A1

公开(公告)日：2005-08-18

申请号：US11039823

申请日：2005-01-24

Applicant: Soichi Yoshinaga

Inventor： Soichi Yoshinaga

IPC: H02K15/02 ,  H02K1/27 ,  H02K16/00 ,  H02K17/00 ,  H02K19/22 ,  H02K21/12 ,  H02K21/14 ,  H02K29/03

CPC classification number: H02K29/03 ,  H02K21/14 ,  H02K2201/06

Abstract: A rotary electric apparatus comprises a rotor including a first and second rotor members, a stator including a first stator and second stator members with armature coils to which armature current is supplied for synchronous rotation. The first and second rotor members are formed into a skewed type. Control means for controlling amounts Φ1 and Φ2 of field magnetic flux generated by the first and second rotor members, respectively, such that the amounts Φ1 and Φ2 differ from each other to reduce a difference between a maximum amplitude of a predetermined-order harmonic component F1 of an electromagnetic force caused by a pair of the first rotor member and the first stator member and a maximum amplitude of the predetermined-order harmonic component F2 of an electromagnetic force caused by a further pair of the second rotor member and the second stator member is reduced.

Abstract translation: 一种旋转电气设备包括：转子，包括第一和第二转子构件;定子，包括第一定子和具有电枢线圈的第二定子构件，电枢电流被供应到同步旋转。 第一和第二转子构件形成为倾斜型。 控制装置，用于分别控制由第一和第二转子构件产生的场磁通量Ph 1和Ph 2，使得量Phi 1和Phi 2彼此不同，以减小预定 - 由一对第一转子构件和第一定子构件引起的电磁力的次谐波分量F 1和由另一对第二转子构件产生的电磁力的预定次谐波分量F 2的最大振幅 并且第二定子构件减小。

公开(公告)号：US06930413B2

公开(公告)日：2005-08-16

申请号：US10444534

申请日：2003-05-23

Applicant: Domenic P. Marzano

Inventor： Domenic P. Marzano

IPC: H02K41/03 ,  H02K41/00

CPC classification number: H02K41/031 ,  H01L2924/0002 ,  H02K1/276 ,  H02K2201/06 ,  H01L2924/00

Abstract: The linear synchronous motor consists of a specific primary and secondary part. The secondary portion is a ferromagnetic back plate. An array of permanent magnets are attached to the back plate so that a fixed or variable pole pitch occurs in a precise manner between at least two magnets of alternating polarity which improves existing methods for attaching, guiding, protecting and enhancing the overall flux array produced and emitted by the permanent magnets. A one-piece electrically synchronous linear secondary stator member accompanies a primary member, the synchronous linear permanent magnet motor. The stator electrical frequency is customizeable to allow for a wide variety of braking applications.

Abstract translation: 线性同步电机由特定的主要和次要部分组成。 次级部分是铁磁背板。 永磁体阵列连接到背板上，使得在至少两个交替极性的磁体之间精确地发生固定或可变的磁极间距，这改善了现有的附接，引导，保护和增强所产生的整体磁通阵列的方法， 由永磁体发射。 一体式电同步线性二次定子构件伴随着主构件，同步线性永磁电动机。 定子电气频率是可定制的，以允许各种制动应用。

公开(公告)号：US06906443B2

公开(公告)日：2005-06-14

申请号：US10419620

申请日：2003-04-21

Applicant: Jian Luo ,  Maria Hernandez ,  John Laskowsky

Inventor： Jose Antonio Hernandez

IPC: H02K1/27 ,  H02K29/03 ,  H02K21/12

CPC classification number: H02K1/278 ,  H02K29/03 ,  H02K2201/06

Abstract: A brushless DC permanent magnet motor having a step skewed rotor including a rotor shaft having a portion having a substantially uniform cross sectional configuration defined by N planar sides of substantially equal length and width wherein N is equal to the number of poles of the motor, first and second annular sets of N number of substantially identically shaped bread loaf magnets one of which is attached to each of the N planar sides of the rotor shaft wherein the magnets of the first set have their orientation reversed with respect to the magnets of the second set and the magnets of the first set are offset or skewed by a predetermined skew angle from the magnets of the second set of magnets to form a stepped skewed rotor.

Abstract translation: 一种无刷直流永磁电动机，其具有阶梯式偏转转子，其包括转子轴，该转子轴具有由基本相等的长度和宽度的N个平面侧限定的基本上均匀的横截面构造的部分，其中N等于电动机的极数， 以及N个基本上相同形状的面包磁铁的第二环形组，其中一个安装在转子轴的N个平面侧中的每一个上，其中第一组的磁体相对于第二组的磁体具有相反的方向 并且第一组的磁体与第二组磁体的磁体偏移或倾斜预定的倾斜角度，以形成阶梯式偏斜转子。

公开(公告)号：US06870293B2

公开(公告)日：2005-03-22

申请号：US10192862

申请日：2002-07-11

Applicant: Hisakazu Kataoka ,  Hiroshi Murakami ,  Hideharu Hiwaki ,  Sunao Hashimoto ,  Yasuharu Odachi ,  Hirohito Hayashi

Inventor： Hisakazu Kataoka ,  Hiroshi Murakami ,  Hideharu Hiwaki ,  Sunao Hashimoto ,  Yasuharu Odachi ,  Hirohito Hayashi

IPC: H02K3/34 ,  H02K1/14 ,  H02K1/27 ,  H02K3/52 ,  H02K15/02 ,  H02K15/06 ,  H02K15/095 ,  H02K21/14

CPC classification number: H02K1/146 ,  H02K3/522 ,  H02K15/022 ,  H02K15/06 ,  H02K15/095 ,  H02K2201/06

Abstract: To provide a motor which can suppress vibration and noise during an operation of a concentrated winding motor and can achieve low vibration and low noise with high efficiency. Skew is formed on at least one of a stator (10) provided with concentrated windings and a rotor (20), and the windings (13—13) of different phases in a groove (19) for windings are brought into contact with each other directly or via an insulating material.

Abstract translation: 提供一种能够抑制集中绕线电动机的运转时的振动和噪音的电动机，能够高效率地实现低振动，低噪音。 在设置有集中绕组的定子（10）和转子（20）中的至少一个上形成倾斜，并且用于绕组的槽（19）中的不同相的绕组（13-13）彼此接触 直接或通过绝缘材料。

公开(公告)号：US06867524B2

公开(公告)日：2005-03-15

申请号：US10452946

申请日：2003-06-04

Applicant: Feng Liang

Inventor： Feng Liang

IPC: H02K1/27 ,  H02K21/12

CPC classification number: H02K1/278 ,  H02K2201/06

Abstract: A permanent magnet motor to reduce torque ripple includes a rotor having at least three segments. Each of the three segments is formed sequentially adjacent and aligned along an axis of the rotor. Each segment has at least one pair of permanent magnets disposed at a substantially equal interval in a peripheral direction of the rotor. First and second segments are skewed relative to each other by a first angular displacement, and the first and third segments are skewed relative to each other by a second angular displacement. The first and second angular displacements are selected to cause a net sum of torque ripple produced by each of the segments to be substantially equal to zero during an operation of the motor.

Abstract translation: 用于减小转矩波动的永磁电动机包括具有至少三个段的转子。 三个段中的每一个顺序地相邻地形成并沿着转子的轴线对齐。 每个段具有至少一对在转子的周向上以基本相等的间隔设置的永磁体。 第一和第二段相对于彼此倾斜第一角位移，并且第一和第三段相对于彼此倾斜第二角位移。 选择第一和第二角位移以在电动机的操作期间使由每个段产生的转矩波动的净和基本上等于零。

公开(公告)号：US06864605B2

公开(公告)日：2005-03-08

申请号：US10420586

申请日：2003-04-21

Applicant: Yasuo Shimizu ,  Atsuhiko Yoneda ,  Hitoshi Shiobara ,  Takashi Kuribayashi

Inventor： Yasuo Shimizu ,  Atsuhiko Yoneda ,  Hitoshi Shiobara ,  Takashi Kuribayashi

IPC: B62D5/04 ,  H02K1/14 ,  H02K1/18 ,  H02K1/27 ,  H02K7/116 ,  H02K21/14 ,  H02K29/00 ,  H02K29/03 ,  H20K7/00

CPC classification number: H02K1/278 ,  B62D5/0403 ,  H02K1/148 ,  H02K7/1166 ,  H02K29/03 ,  H02K2201/06

Abstract: Brushless motor is provided which includes an outer stator and an inner rotor having a plurality of permanent magnets. One or inner surface of the outer stator, opposed to the inner rotor, is covered with a cover formed of a magnetic material and in the shape of a cylinder of a small wall thickness. The magnetic cover has a plurality of slits inclined with respect to the rotational axis of the inner rotor. Magnetic portions formed or left between the slits of the cover are also inclined with respect to the rotational axis of the inner rotor. With such magnetic portions, boundaries between magnetic poles are virtually inclined with respect to the rotational axis of the inner rotor, so that undesired cogging torque of the motor can be minimized.

Abstract translation: 提供了包括外定子和具有多个永磁体的内转子的无刷电动机。 与内转子相对的外定子的一个或内表面被由磁性材料形成的盖子覆盖，并且形成为小壁厚的圆筒形。 磁性盖具有相对于内转子的旋转轴线倾斜的多个狭缝。 在盖的狭缝之间形成或留下的磁性部分也相对于内转子的旋转轴线倾斜。 利用这种磁性部分，磁极之间的边界实质上相对于内转子的旋转轴线倾斜，使得电动机的不希望的齿槽转矩可以最小化。