专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明申请

US20100244605A1 PERMANENT MAGNET TYPE ROTATING ELECTRICAL MACHINE AND ELECTRIC POWER STEERING DEVICE 有权
标题翻译：永磁电机类型旋转电机和电动转向装置
公开(公告)号：US20100244605A1
公开(公告)日：2010-09-30
申请号：US12741773
申请日：2008-09-26
申请人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
发明人： Masatsugu Nakano , Kazuhisa Takashima , Satoru Akutsu , Yoshihito Asao
IPC分类号： H02K1/27
CPC分类号： H02K1/278 , B62D5/0403 , H02K1/2746 , H02K21/14 , H02K29/03
摘要： A permanent magnet type rotating electric machine includes: a rotor including a rotor core having a polygonal shape and a plurality of permanent magnets; and a stator including a stator core and armature windings, in which, when the number of poles is M, the number of slots is N, M permanent magnets are sequentially numbered from first to M-th in a circumferential direction, and a positional shift amount in the circumferential direction from a corresponding one of equiangularly arranged reference positions, each being at the same radial distance from a center of a rotating shaft, for an i-th (i=1, 2, . . . , M) permanent magnet is hi, M unit vectors in total, each being in an angular direction of 2πN(i−1)/M (rad), are defined, and a sum of M vectors obtained by multiplying the unit vectors respectively by the positional shift amount hi is smaller than a maximum value of an absolute value of the positional shift amount hi.
摘要翻译：一种永磁式旋转电机，包括：转子，其包括具有多边形的转子芯和多个永磁体; 以及具有定子铁芯和电枢绕组的定子，其中，当极数为M时，槽数为N，M个永久磁铁在圆周方向上从第一到第五个顺序地编号，并且位置偏移对于第i（i = 1,2，...，M）个永久磁铁，从等距配置的基准位置的相应的一个等距离距离旋转轴的中心相同的径向距离是hi，定义了M个单位矢量，每个矢量分别处于2＆pgr; N（i-1）/ M（rad）的角度方向上，并且通过将单位矢量分别乘以位置偏移数量hi小于位置偏移量hi的绝对值的最大值。

52. 发明授权

US07466055B2 Permanent-magnet synchronous motor 有权
标题翻译：永磁同步电机
公开(公告)号：US07466055B2
公开(公告)日：2008-12-16
申请号：US10540157
申请日：2004-08-26
申请人： Yukari Toide , Akihiro Daikoku , Masatsugu Nakano , Hideaki Arita , Shinichi Yamaguchi , Moriyuki Hazeyama , Takashi Yoshioka , Tomohiro Kikuchi , Katsumi Hayami , Takashi Miyazaki
发明人： Yukari Toide , Akihiro Daikoku , Masatsugu Nakano , Hideaki Arita , Shinichi Yamaguchi , Moriyuki Hazeyama , Takashi Yoshioka , Tomohiro Kikuchi , Katsumi Hayami , Takashi Miyazaki
IPC分类号： H02K1/00
CPC分类号： H02K29/03 , H02K1/187 , Y10T29/49004 , Y10T29/49009 , Y10T29/49012
摘要： In a combination of, for example, a rotor having eight magnetic poles and a stator having twelve slots and pulsating components of permeance, which generate a sinusoidal cogging torque having maxima of the same number as the number of poles of the rotor, pressurizing parts arranged in predetermined positions applying a force at an outer periphery of the stator directed inwardly to cancel the pulsating components of the cogging torque.
摘要翻译：例如，具有八个磁极的转子和具有十二个槽的定子和磁通的脉动分量的组合，其产生具有与转子的极数相同数量的最大值的正弦曲柄齿轮转矩，加压部件布置在定子的外周施加力的预定位置向内取向以消除齿槽转矩的脉动分量。

53. 发明授权

US07009389B2 Rotation angle detection device 有权
标题翻译：旋转角度检测装置
公开(公告)号：US07009389B2
公开(公告)日：2006-03-07
申请号：US11088889
申请日：2005-03-25
申请人： Masatsugu Nakano , Yukari Toide , Satoru Akutsu
发明人： Masatsugu Nakano , Yukari Toide , Satoru Akutsu
IPC分类号： G01B7/30 , G01N27/72
CPC分类号： G01D5/2046
摘要： A highly accurate rotation angle detection device is realized by correcting a detecting position error caused by a machining error such as deterioration of roundness of an internal diameter of a stator. The rotation angle detection device is provided with a stator (12), which is provided with an exciting winding of one phase and two-phase output windings, and a rotor (13) having salient poles, in which the stator (12) has a plurality of teeth (11), the two-phase output windings are wound around the plurality of teeth, and the plurality of teeth include teeth for which the number of turns of the output windings is N and at least one of teeth for which the number of turns of the output windings is N±m (it is assumed that N and m are positive integers and N>m) and teeth for which the number of turns is m.
摘要翻译：通过校正由诸如定子的内径的圆度的劣化的加工误差引起的检测位置误差来实现高精度的旋转角度检测装置。旋转角度检测装置设置有定子（12），其设置有一相和两相输出绕组的励磁绕组，以及具有凸极的转子（13），其中定子（12）具有多个齿（11），两相输出绕组缠绕在多个齿上，并且多个齿包括输出绕组匝数为N的齿和至少一个齿数输出绕组的匝数为N±m（假定N和m为正整数，N> m）和匝数为m的齿。

54. 发明授权

US06894413B2 Permanent magnet dynamo electric machine, and permanent magnet synchronous generator for wind power generation 有权
标题翻译：永磁发电机，风力发电永磁同步发电机
公开(公告)号：US06894413B2
公开(公告)日：2005-05-17
申请号：US10478052
申请日：2002-12-19
申请人： Masatsugu Nakano , Haruyuki Kometani , Mitsuhiro Kawamura , Yuji Ikeda
发明人： Masatsugu Nakano , Haruyuki Kometani , Mitsuhiro Kawamura , Yuji Ikeda
IPC分类号： H02K7/18 , H02K21/14 , H02K21/16 , H02K21/12
CPC分类号： H02K21/14 , F03D9/25 , F05B2220/7068 , F05B2240/40 , F05B2240/511 , H02K7/1823 , H02K7/183 , H02K7/1838 , H02K21/16 , Y02E10/725
摘要： A dynamo electric machine includes a rotor having magnetic poles with permanent magnets and a stator having armature windings concentratedly wound around teeth. When the number of pole pairs of the magnetic poles of the rotor is P, diameter of the rotor is D (meters), and a spatial harmonic order of a predetermined harmonic component of an armature magnetomotive force of the rotor is N ((N=P to the 1.5th power)×(N to the minus 4-th power)×(the square of P)×D
摘要翻译：发电机包括具有永磁体的磁极的转子和具有集中缠绕在齿上的电枢绕组的定子。当转子的磁极的极数为P时，转子的直径为D（米），并且转子的电枢磁动势的预定谐波分量的空间谐波次数为N（（N = P到1.5μS功率）x（N到负4次方）x（P的平方）xD <0.6（以米为单位）。

55. 发明授权

US06853105B2 Permanent magnet motor 有权
标题翻译：永磁电机
公开(公告)号：US06853105B2
公开(公告)日：2005-02-08
申请号：US10232856
申请日：2002-09-03
申请人： Masatsugu Nakano , Tsutomu Tominaga , Hideki Megata , Masafumi Okazaki
发明人： Masatsugu Nakano , Tsutomu Tominaga , Hideki Megata , Masafumi Okazaki
IPC分类号： H02K1/14 , H02K1/27 , H02K21/12 , H02K29/03 , H02K21/00
CPC分类号： H02K29/03 , H02K1/146 , H02K1/278 , H02K21/12
摘要： A permanent magnet motor having a rotor with permanent magnets disposed on the outer circumferential face at a predetermined interval in a peripheral direction, and a stator with magnetic pole pieces arranged at a predetermined spacing in the peripheral direction, the magnetic pole pieces being opposed to the permanent magnets, the stator surrounding the rotor, wherein the auxiliary grooves are provided on a face of each magnetic pole piece of the stator opposed to the permanent magnets of the rotor, and a skew having an electric angle of 72° is provided relatively between the rotor and the stator.
摘要翻译：一种永磁电动机，其具有永久磁铁的转子，所述转子具有以周向方向以预定间隔设置在所述外周面上的定子，所述定子具有以周向方向以预定间隔排列的所述磁极片，所述磁极片与所述磁极片相对，永磁体，围绕转子的定子，其中辅助槽设置在与转子的永久磁铁相对的定子的每个磁极片的表面上，并且相对地设置有电角度为72°的歪斜转子和定子。

56. 发明授权

US09627944B2 Electric drive apparatus 有权
公开(公告)号：US09627944B2
公开(公告)日：2017-04-18
申请号：US14410923
申请日：2012-10-01
申请人： Masatsugu Nakano , Satoru Akutsu , Isao Sonoda , Kohei Ushio , Yoshihito Asao
发明人： Masatsugu Nakano , Satoru Akutsu , Isao Sonoda , Kohei Ushio , Yoshihito Asao
IPC分类号： H02K11/00 , H02K29/08 , H02K11/33 , H02K11/215
CPC分类号： H02K11/33 , H02K11/215 , H02K29/08 , H02K2211/03
摘要： Provided is an electric drive apparatus in which a detected portion (10) of a rotation angle sensor is disposed at an end of a shaft (7) of a motor, and a sensor portion (300) as a detection portion of the rotation angle sensor is disposed coaxially with the rotating axis of the shaft. In a control unit (200), an inverter circuit portion with a drive element (SW) for driving the motor, and a control substrate (17) which is separate from the sensor portion and controls the output of the inverter circuit portion are disposed. The sensor portion and the control substrate are electrically connected, with the control substrate disposed along a plane perpendicular to the rotating axis of the shaft.

57. 发明授权

US09601950B2 Permanent magnet motor 有权
公开(公告)号：US09601950B2
公开(公告)日：2017-03-21
申请号：US14005992
申请日：2011-05-26
申请人： Akihiro Yamamura , Kazuhisa Takashima , Masatsugu Nakano
发明人： Akihiro Yamamura , Kazuhisa Takashima , Masatsugu Nakano
IPC分类号： H02K1/27 , H02K29/03 , H02K21/16
CPC分类号： H02K1/2706 , H02K21/16 , H02K29/03 , H02K2213/03
摘要： A permanent magnet motor (1) is configured such that mN≠K is satisfied to an integer m, where the pole number of a rotor (3) is K and the number of divided iron cores (10-12) of a stator (2) is N, and N values of r(θ), r(θ+360°/N), . . . , r(θ+(i−1)×360°/N), . . . , r(θ+(N−1)×360°/N) are equal so that the absolute value of the difference between any two of the N values becomes up to a predetermined value, where r(θ) is an inner radius defined as, on a plane perpendicular to a rotary shaft (7) of the rotor (3), a distance from the rotary shaft (7) center to a surface of the stator iron core (4) facing the rotor (3) where an angle from a fitting portion (15) of the partial iron core (10) is θ on the perpendicular plane, θ taking 0 to 360°/N.

58. 发明授权

US09564779B2 Permanent magnet motor 有权
标题翻译：永磁电机
公开(公告)号：US09564779B2
公开(公告)日：2017-02-07
申请号：US14234178
申请日：2011-10-14
申请人： Masatsugu Nakano , Satoru Akutsu , Yoshihito Asao , Yuji Takizawa , Yu Hirotani , Ryuichi Takiguchi
发明人： Masatsugu Nakano , Satoru Akutsu , Yoshihito Asao , Yuji Takizawa , Yu Hirotani , Ryuichi Takiguchi
IPC分类号： H02K3/00 , H02K1/16 , H02K21/16 , H02K29/03 , H02K3/28 , H02K1/27
CPC分类号： H02K1/165 , H02K1/2773 , H02K1/278 , H02K3/28 , H02K21/16 , H02K29/03 , H02K2213/03
摘要： Provided is a permanent magnet motor that realizes reduction of both cogging torque and torque ripple, and also downsizing and weight reduction together with torque ripple reduction. When two sets of three-phase armature windings are defined such that a first armature winding 30-1 corresponds to U1 phase, V1 phase, and W1 phase and a second armature winding 30-2 corresponds to U2 phase, V2 phase, and W2 phase, U1 phase is provided in both of any adjacent slots of a plurality of slots 27, or at least one of U1 phase and U2 phase is provided in one of any adjacent slots 27, U1 phase, V1 phase, and W1 phase are shifted by an electric angle of 20° to 40° from U2 phase, V2 phase, and W2 phase upon driving, and a slot opening width Ws of a stator iron core 22 is set to satisfy Ws/(2πRs/Ns)≦0.15, where Rs is an inner radius of the stator iron core and Ns is a slot number of the stator iron core.
摘要翻译：提供了实现齿槽转矩和转矩波动的减小的永磁电动机，以及减小扭矩和扭矩波动的小型化和重量减少。当两组三相电枢绕组被限定为使得第一电枢绕组30-1对应于U1相位，V1相位和W1相位，而第二电枢绕组30-2对应于U2相位，V2相位和W2相位 U1相位设置在多个槽27的任意相邻槽中，或者U1相和U2相中的至少一个在任意相邻的槽27之一中设置，U1相，V1相和W1相位移动与U2相，V2相和W2相的电角度为20°至40°，定子铁芯22的槽口宽度Ws设定为满足Ws /（2πRs/ Ns）≤0.15，其中Rs 是定子铁心的内半径，Ns是定子铁芯的槽数。

59. 发明授权

US09350204B2 Permanent magnet rotating electrical machine and electric power steering apparatus having a stator core with supplemental grooves 有权
标题翻译：永磁旋转电机和电动助力转向装置具有带补充槽的定子芯
公开(公告)号：US09350204B2
公开(公告)日：2016-05-24
申请号：US13390305
申请日：2009-11-24
申请人： Masatsugu Nakano , Toshihiro Matsunaga , Kazuhisa Takashima , Satoru Akutsu , Yusuke Morita
发明人： Masatsugu Nakano , Toshihiro Matsunaga , Kazuhisa Takashima , Satoru Akutsu , Yusuke Morita
IPC分类号： H02K1/06 , H02K1/26 , H02K1/14 , H02K29/03
CPC分类号： H02K1/148 , H02K29/03 , H02K2213/03
摘要： A compact, light permanent magnet motor with low torque pulsations is obtained by reducing a cogging torque resulting from variations at the end of a rotor, such as an error in attachment position and a variation in magnet characteristic of the permanent magnets. A permanent magnet rotating electrical machine includes a rotor and a stator, a stator core provided with slots in which to store an armature winding wire wound around the teeth, and supplemental grooves provided to the teeth in portions opposing the rotor in an axial direction of the stator core. The supplemental grooves are provided to the stator in a part in the axial direction of the stator core, and that let P be the number of the magnetic poles (the number of poles) and S be the number of the slots (the number of slots), then a relation, 0.75
摘要翻译：通过减小由于转子端部的变化而导致的齿槽转矩，例如安装位置的误差和永久磁铁的磁铁特性的变化，可获得具有低转矩脉动的小型轻型永磁电动机。一种永磁体旋转电机，包括转子和定子，定子铁心设置有用于存储缠绕在齿周围的电枢绕组线的槽，以及在该转子的轴向方向上与转子相对的部分设置的齿槽的补充槽定子铁芯。辅助槽在定子铁芯的轴向部分设置在定子上，使P为磁极数（极数），S为槽数（槽数），则建立0.75

60. 发明授权

US09338925B2 Device for controlling drive of motor for electric power steering device 有权
标题翻译：用于控制电动助力转向装置的电动机驱动的装置
公开(公告)号：US09338925B2
公开(公告)日：2016-05-10
申请号：US13703992
申请日：2011-02-23
申请人： Masatsugu Nakano , Yoshihito Asao
发明人： Masatsugu Nakano , Yoshihito Asao
IPC分类号： H05K7/06 , H05K7/20 , B62D5/04 , H02K11/00
CPC分类号： H05K7/2039 , B62D5/0406 , H02K11/33 , H05K7/06 , H05K7/20445 , H05K7/20854 , H05K7/209
摘要： A device designed to reduce temperature rise in its control board. The device includes a switching element; a coil; a smoothing capacitor; an electrical connection member for electrically connecting the switching element with the smoothing capacitor and the coil; a control board that mounts a control element; a control signal line for electrically connecting the switching element with the control board; and a switching element placing portion for placing the switching element thereon. The electrical connection member is arranged between the switching element and the control board; the smoothing capacitor and the coil are arranged, with respect to the electrical connection member, on a side of the switching element; and end surfaces of the smoothing capacitor and the coil are positioned, with respect to the electrical connection member, apart from a plane where the switching element and the switching element placing portion are adjoined together.
摘要翻译：一种设计用于降低其控制板温升的装置。该装置包括开关元件; 线圈平滑电容器; 用于将开关元件与平滑电容器和线圈电连接的电连接构件; 安装控制元件的控制板; 用于将开关元件与控制板电连接的控制信号线; 以及用于将开关元件放置在其上的开关元件放置部。电连接构件设置在开关元件和控制板之间; 平滑电容器和线圈相对于电连接构件布置在开关元件的一侧上; 并且平滑电容器和线圈的端面相对于电连接构件被定位成与开关元件和开关元件放置部分相邻的平面。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式