公开(公告)号：US07084540B2

公开(公告)日：2006-08-01

申请号：US10604001

申请日：2003-06-20

Applicant: Subhash M Brahmavar ,  Peter B. Lytle ,  Kamron M. Wright

Inventor： Subhash M Brahmavar ,  Peter B. Lytle ,  Kamron M. Wright

IPC: H02K21/12

CPC classification number: H02K1/278 ,  H02K2201/06

Abstract: A magnet motor with rotor assembly is provided that has a plurality of magnet members that circumscribe a wall of the rotor core or stator in an orientation that minimizes or eliminates gaps therebetween. The magnet members can have non-parallel opposing sides to allow for elimination of the gaps. The magnet members may have trapezoidal-like shapes.

Abstract translation: 提供具有转子组件的磁体电动机，其具有多个磁体构件，该磁体构件以最小化或消除它们之间的间隙的取向围绕转子芯或定子的壁。 磁体构件可以具有不平行的相对侧以允许消除间隙。 磁体构件可以具有梯形形状。

公开(公告)号：US06977456B2

公开(公告)日：2005-12-20

申请号：US11094154

申请日：2005-03-31

Applicant: Toshio Yamamoto ,  Shinji Santo ,  Yasuhide Ito ,  Masayuki Kuwano ,  Kazumitsu Moriya ,  Takayoshi Suzuki

Inventor： Toshio Yamamoto ,  Shinji Santo ,  Yasuhide Ito ,  Masayuki Kuwano ,  Kazumitsu Moriya ,  Takayoshi Suzuki

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

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：US06903480B2

公开(公告)日：2005-06-07

申请号：US10778174

申请日：2004-02-17

Applicant: Toshio Yamamoto ,  Shinji Santo ,  Yasuhide Ito ,  Masayuki Kuwano ,  Kazumitsu Moriya ,  Takayoshi Suzuki ,  Yoshiki Nakano

Inventor： Toshio Yamamoto ,  Shinji Santo ,  Yasuhide Ito ,  Masayuki Kuwano ,  Kazumitsu Moriya ,  Takayoshi Suzuki ,  Yoshiki Nakano

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

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.

公开(公告)号：US06888283B2

公开(公告)日：2005-05-03

申请号：US10717453

申请日：2003-11-21

Applicant: Kouichiro Yonekura

Inventor： Kouichiro Yonekura

IPC: H02K1/18 ,  H02K1/14 ,  H02K21/16 ,  H02K29/03 ,  H02K1/00

CPC classification number: H02K1/148 ,  H02K1/146 ,  H02K21/16 ,  H02K29/03 ,  H02K2201/06 ,  Y10T29/49009

Abstract: A stator (10) for a motor according to this invention has a substantially cylindrical shape and is disposed coaxially with respect to a substantially cylindrical rotor (20) which has permanent magnets. The stator (10) has a stator core (1) containing teeth (3) projecting towards the rotor (20). Each tooth has a tooth body (1b) on which a coil (2) is wound and a tooth tips (1c) having a substantially arc-shaped surface. The tooth tip (1c) faces the rotor (20) through the substantially arc-shaped surface and does not have the coil (2) wound thereon. The stator core has two types of steel plates (11e, 11d) laminated in an axial direction. The centers (16, 16′) of the tooth tips of the two types of steel plates (11e, 11d) in a peripheral direction are offset in a peripheral direction from the center (15) of the tooth body in a peripheral direction. The two types of steel plates (11e, 11d) have the tooth body (1b) of the same shape.

Abstract translation: 根据本发明的用于电动机的定子（10）具有基本上圆柱形的形状，并且相对于具有永磁体的大致圆柱形转子（20）同轴设置。 定子（10）具有定子芯（1），其包含朝向转子（20）突出的齿（3）。 每个齿都具有缠绕线圈（2）的齿体（1b）和具有大致弧形表面的齿尖（1c）。 齿尖（1c）通过大致圆弧形的表面面向转子（20），并且不具有缠绕在其上的线圈（2）。 定子铁心具有沿轴向层叠的两种类型的钢板（11e，11d）。 两种钢板（11e，11d）的齿尖的圆周方向的中心（16,16'）沿圆周方向偏离齿体的中心（15） 。 两种类型的钢板（11e，11d）具有相同形状的齿体（1b）。

公开(公告)号：US06885125B2

公开(公告)日：2005-04-26

申请号：US10931421

申请日：2004-09-01

Applicant: Hirohide Inayama ,  Hideki Jonokuchi ,  Sadaaki Mori ,  Atsushi Ishihara ,  Tomofumi Takahashi ,  Minoru Kitabayashi ,  Tetsuo Horie

Inventor： Hirohide Inayama ,  Hideki Jonokuchi ,  Sadaaki Mori ,  Atsushi Ishihara ,  Tomofumi Takahashi ,  Minoru Kitabayashi ,  Tetsuo Horie

IPC: H02K1/27 ,  H02K29/03 ,  H02K1/00

CPC classification number: H02K1/278 ,  H02K29/03 ,  H02K2201/06 ,  Y10T29/49009

Abstract: A brushless DC motor including a stator having plural slots; and a rotor which has plural permanent magnets and is divided into three rotor blocks in a rotation axis direction, the three rotor blocks being layered so that the arrangement angles of the rotor blocks differ from each other by an amount of a mechanical angle in a rotary direction that is equivalent to one third of a pulsation period of cogging torque generated by the rotor and stator. A brushless DC motor including a rotor having plural magnetic poles provided at an equal pitch in a circumferential direction by mounting permanent magnets in magnet mounting holes; and a stator having plural slots arranged at an equal pitch in a circumferential direction. The magnetic poles of the rotor include magnetic poles whose magnet deviation angle formed by the central line of an effective polar opening angle and the central line of the magnet mounting hole is the first angle; and magnetic poles whose magnet deviation angle is the second angle different from the first angle.

Abstract translation: 一种无刷直流电动机，包括具有多个槽的定子; 以及具有多个永久磁铁并沿旋转轴线方向分成三个转子块的转子，所述三个转子块被层叠，使得转子块的配置角度彼此相差一个旋转中的机械角度的量 方向相当于由转子和定子产生的齿槽转矩的脉动周期的三分之一。 一种无刷直流电动机，其包括通过将永磁体安装在磁铁安装孔中而沿圆周方向以等间距设置的多个磁极的转子; 以及具有沿圆周方向等间距排列的多个槽的定子。 转子的磁极包括由有效极性开放角度的中心线和磁体安装孔的中心线形成的磁体偏离角度为第一角度的磁极; 磁极的磁偏离角度与第一角度不同的第二角度。

公开(公告)号：US20050023927A1

公开(公告)日：2005-02-03

申请号：US10931401

申请日：2004-09-01

Applicant: Hirohide Inayama ,  Hideki Jonokuchi ,  Sadaaki Mori ,  Atsushi Ishihara ,  Tomofumi Takahashi ,  Minoru Kitabayashi ,  Tetsuo Horie

Inventor： Hirohide Inayama ,  Hideki Jonokuchi ,  Sadaaki Mori ,  Atsushi Ishihara ,  Tomofumi Takahashi ,  Minoru Kitabayashi ,  Tetsuo Horie

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

CPC classification number: H02K1/278 ,  H02K29/03 ,  H02K2201/06 ,  Y10T29/49009

Abstract: A brushless DC motor including a stator having plural slots; and a rotor which has plural permanent magnets and is divided into three rotor blocks in a rotation axis direction, the three rotor blocks being layered so that the arrangement angles of the rotor blocks differ from each other by an amount of a mechanical angle in a rotary direction that is equivalent to one third of a pulsation period of cogging torque generated by the rotor and stator. A brushless DC motor including a rotor having plural magnetic poles provided at an equal pitch in a circumferential direction by mounting permanent magnets in magnet mounting holes; and a stator having plural slots arranged at an equal pitch in a circumferential direction. The magnetic poles of the rotor include magnetic poles whose magnet deviation angle formed by the central line of an effective polar opening angle and the central line of the magnet mounting hole is the first angle; and magnetic poles whose magnet deviation angle is the second angle different from the first angle.

公开(公告)号：US20050017590A1

公开(公告)日：2005-01-27

申请号：US10626326

申请日：2003-07-24

Applicant: Dan Ionel ,  Stephen Dellinger

Inventor： Dan Ionel ,  Stephen Dellinger

IPC: H02K1/27 ,  H02K29/03

CPC classification number: H02K21/16 ,  H02K1/2733 ,  H02K29/03 ,  H02K2201/06 ,  Y10T29/49009 ,  Y10T29/49012 ,  Y10T29/49071 ,  Y10T29/49073

Abstract: An electrical machine having a machine output rating. The electrical machine including a shaft rotatable about an electrical machine axis, a rotor coupled to the shaft and rotating with the shaft, and a stator including a stator core. The rotor is configurable to include a first rotor portion having a relation to a first output rating and a second rotor portion having a relation to a second output rating. The stator core is configurable to be disposed adjacent to the first rotor portion relative to the machine axis when the machine output rating corresponds to the first output rating and adjacent to the second rotor portion when the machine output rating corresponds to the second output rating.

Abstract translation: 具有机器输出额定值的电机。 所述电机包括可围绕电机轴线旋转的轴，与所述轴联接并与所述轴一起旋转的转子以及包括定子芯的定子。 转子可配置成包括与第一输出额定值有关的第一转子部分和与第二输出额定值有关的第二转子部分。 当机器输出额定值对应于第二输出额定值时，当机器输出额定值对应于第一输出额定值并且与第二转子部分相邻时，定子芯可配置成相对于机器轴线邻近第一转子部分布置。

公开(公告)号：US20050017589A1

公开(公告)日：2005-01-27

申请号：US10625926

申请日：2003-07-24

Applicant: Dan Ionel ,  Stephen Dellinger

Inventor： Dan Ionel ,  Stephen Dellinger

IPC: H02K1/27 ,  H02K3/28 ,  H02K29/03 ,  H02K21/12

CPC classification number: H02K29/03 ,  H02K1/2733 ,  H02K3/28 ,  H02K2201/06

Abstract: An electrical machine comprises a stator and a rotor. The rotor includes a plurality of stator teeth and a winding with compact coils disposed on the teeth. The winding has (m) phases and (p) poles; where (m) is an integer and is greater than or equal to two; where (p) is an integer, is greater than or equal to two, and is an even number. The rotor has a magnetization pattern including a magnetization skew. In some constructions, each stator includes one or more channels along a surface adjacent to the rotor. The channels can be of various shapes including a trapezoidal shape or a curvilinear shape.

Abstract translation: 电机包括定子和转子。 转子包括多个定子齿和布置在齿上的紧凑线圈的绕组。 绕组具有（m）相和（p）极; 其中（m）是整数并且大于或等于2; 其中（p）是整数，大于或等于2，是偶数。 转子具有包括磁化倾斜的磁化模式。 在一些结构中，每个定子包括沿着与转子相邻的表面的一个或多个通道。 通道可以是各种形状，包括梯形或曲线形状。

公开(公告)号：US20050012419A1

公开(公告)日：2005-01-20

申请号：US10875621

申请日：2004-06-25

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

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

IPC: H02K1/22 ,  H02K1/27 ,  H02K21/14 ,  H02K29/03

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

Abstract: A permanent magnet rotating machine includes a rotor with a permanent magnet having circumferential magnetic poles with a skew at boundaries between magnetic poles of the permanent magnet, and a stator having a stator iron core in an almost cylindrical shape and convex poles protruding inwardly, the rotor being disposed within the stator. A skew angle of the skew is smaller than a theoretical angle θs (electrical angle) and larger than one-half the theoretical angle θs, wherein the theoretical angle θs is defined as, θs=180×(number of magnetic poles in the rotor)/(smallest integer of which both the number of magnetic poles in the rotor and the number of magnetic poles in the stator are factors) [deg.]

Abstract translation: 一种永久磁铁旋转机械，具有具有永久磁铁的转子，该永久磁铁具有在永久磁铁的磁极之间的边界处具有偏斜的圆周磁极和具有大致圆柱形状的定子铁心和向内突出的凸极的定子， 设置在定子内。 偏斜的倾斜角小于理论角度（电角度）并且大于理论角度的一半，其中理论角度定义为：t s = 180×（转子中的磁极数）/ （转子中的磁极数和定子中的磁极数的最小整数是因子）

公开(公告)号：US20040217667A1

公开(公告)日：2004-11-04

申请号：US10758109

申请日：2004-01-16

Inventor： Vladimir Vladimirovich Popov

IPC: H02K021/12

CPC classification number: H02K1/2766 ,  H02K1/146 ,  H02K29/03 ,  H02K2201/06

Abstract: The present invention relates to a rotor assembly for an electrical machine, comprising: a rotor body of generally cylindrical shape having a substantially cylindrical surface configured for facing an air-gap between the rotor assembly and a stator of the electrical machine, and permanent magnets embedded in said rotor body, wherein grooves are formed in said air-gap facing surface for manipulating the distribution of magnetic flux created by said permanent magnets.

Abstract translation: 本发明涉及一种用于电机的转子组件，其包括：大致圆柱形形状的转子体，具有大致圆柱形的表面，该圆柱形表面被配置为面对转子组件和电机的定子之间的气隙，以及嵌入的永磁体 在所述转子体中，其中在所述气隙面向表面中形成有沟槽，用于操纵由所述永磁体产生的磁通量的分布。