公开(公告)号：US20140252893A1

公开(公告)日：2014-09-11

申请号：US14283429

申请日：2014-05-21

Applicant: BAUMUELLER NUERNBERG GMBH

Inventor： MICHAEL VEEH ,  BIRGID MEISTER

IPC: H02K9/197

CPC classification number: H02K9/197 ,  H02K1/32 ,  H02K11/40 ,  H02K2201/06

Abstract: An electrical machine includes a coolable stator having an annular laminated stator core formed of a number of stator laminations having stator teeth which point radially inwards and form stator slots therebetween for accommodating a field winding wound onto the stator teeth. The laminated stator core has peripheral passage openings aligned with one another and forming cooling ducts.

Abstract translation: 电机包括具有环形层叠定子铁芯的可冷却定子，所述环形层叠定子铁芯由多个定子叠片形成，所述多个定子叠片具有径向向内指向的定子齿，并在其间形成定子槽，用于容纳缠绕在定子齿上的励磁绕组。 叠层定子铁芯具有彼此对准的周边通道开口并形成冷却管道。

公开(公告)号：US20140175957A1

公开(公告)日：2014-06-26

申请号：US14192779

申请日：2014-02-27

Applicant: Zhongshan Broad-Ocean Motor Co., Ltd.

Inventor： Songfa TANG ,  Jianhua ZENG ,  Xianjun LIU ,  Mingpan PAN ,  Chongsheng ZENG

IPC: H02K1/27

CPC classification number: H02K29/08 ,  H02K1/2773 ,  H02K2201/06

Abstract: A rotor assembly, including: a permanent magnet and a rotor core. The rotor core includes an annular ring and a plurality of magnetic induction blocks. The magnetic induction blocks protrude outward from the outer side of the annular ring. A radial recess is formed between every two adjacent magnetic induction blocks for mounting the permanent magnet. An end plate and a base plate are disposed on an end surface and a bottom surface of the rotor core by injection molding, respectively. A first connecting column passes through a through hole of the magnetic induction block and connects the end plate and the base plate. An end surface of the end plate protrudes upward to form the magnetic loop bracket. A magnetic loop is disposed on a magnetic loop bracket.

Abstract translation: 一种转子组件，包括：永磁体和转子芯。 转子芯包括环形圈和多个磁感应块。 磁感应块从环形圈的外侧向外突出。 在每两个相邻的磁感应块之间形成径向凹槽，用于安装永磁体。 端板和基板分别通过注射成型设置在转子芯的端面和底面上。 第一连接柱穿过磁感应块的通孔并连接端板和底板。 端板的端面向上突出形成磁环支架。 磁环设置在磁环支架上。

公开(公告)号：US20140125156A1

公开(公告)日：2014-05-08

申请号：US13849760

申请日：2013-03-25

Applicant: QinetiQ North America, Inc.

Inventor： David C. Meeker

IPC: H02K1/16

CPC classification number: H02K1/165 ,  H02K19/103 ,  H02K19/20 ,  H02K19/24 ,  H02K2201/06

Abstract: A wound field flux switching machine with a sinusoidal back electromotive force features a rotor with teeth and a stator with groups of teeth wherein each group has a field winding and each tooth has a phase winding.

Abstract translation: 具有正弦反电动势的绕线磁场通量切换机具有带齿的转子和具有一组齿的定子，其中每组具有励磁绕组，并且每个齿具有相绕组。

公开(公告)号：US20140117802A1

公开(公告)日：2014-05-01

申请号：US14061034

申请日：2013-10-23

Applicant: FANUC CORPORATION

Inventor： Yasunori Sugimoto

IPC: H02K1/27

CPC classification number: H02K1/28 ,  H02K1/278 ,  H02K2201/06

Abstract: A rotor includes a rotor core having an outer circumferential surface provided with projections extending in a direction of a rotational axis and projecting outwardly in a radial direction, and a plurality of permanent magnets arranged between the projections. The projections extend at an angle with respect to the direction of a rotational axis. The permanent magnets have inclined sides on both side faces, which incline with respect to the direction of a rotational axis. Side faces of the projections and the inclined side of the permanent magnets which face each other incline so as to define the same angle with respect to the direction of a rotational axis. An electric motor including such a rotor is also provided.

Abstract translation: 转子包括具有外周面的转子芯，该外周面设置有沿旋转轴线的方向延伸并沿径向向外突出的突起，以及布置在突起之间的多个永磁体。 突起相对于旋转轴线的方向以一定角度延伸。 永磁体在相对于旋转轴线的方向倾斜的两个侧面上具有倾斜侧。 永久磁铁的突起和倾斜侧的侧面相对于旋转轴线的方向形成相同的角度。 还提供了包括这种转子的电动机。

公开(公告)号：US20140117791A1

公开(公告)日：2014-05-01

申请号：US14085953

申请日：2013-11-21

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Alexander Felix Fiseni ,  Kum-Kang Huh ,  Mohamed Osama ,  Francesco Papini

IPC: H02K3/16 ,  H02K1/27 ,  H02K15/03 ,  H02K1/24

CPC classification number: H02K15/03 ,  H02K1/223 ,  H02K1/246 ,  H02K1/28 ,  H02K3/20 ,  H02K29/03 ,  H02K29/12 ,  H02K2201/06 ,  Y10T29/49012

Abstract: An assembly includes multiple adjoined rotor sections each having multiple poles and multiple void rows therethrough that are radially distributed in each of the poles. The rotor sections are skewed in a circumferential direction. The assembly also has multiple conductive rings that substantially surround one of the void rows. A method of assembly and electric machines and vehicles using the assembly are also disclosed. Aspects reduce torque ripple in electric machines and allow for encoderless/sensorless operation in an electric machine using the rotor assembly. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.

Abstract translation: 组件包括多个相邻的转子部分，每个转子部分具有径向分布在每个极中的多个极和穿过其中的多个空心排。 转子部分在圆周方向上倾斜。 组件还具有基本上围绕空隙行之一的多个导电环。 还公开了一种使用组件的装配和电机和车辆的方法。 方面减少电机中的转矩波动，并允许在使用转子组件的电机中进行无编码器/无传感器操作。 已经根据具体实施例描述了本发明，并且认识到除了明确说明的那些之外的等同物，替代方案和修改是可能的并且在所附权利要求的范围内。

公开(公告)号：US20140084734A1

公开(公告)日：2014-03-27

申请号：US13955615

申请日：2013-07-31

Applicant: Hitachi Automotive Systems, Ltd.

Inventor： Takashi ISHIGAMI ,  Hiroshi KANAZAWA ,  Hidefumi IWAKI

IPC: H02K21/12 ,  H02K15/03

CPC classification number: H02K21/12 ,  H02K1/24 ,  H02K1/2773 ,  H02K15/03 ,  H02K2201/06 ,  Y10T29/49012

Abstract: The present invention, in a rotating electrical machine having a configuration in which a plurality of magnetic pole pieces is attached along outer perimeters of the rotating axis, provides a structure of rotating electrical machine with small cogging torque by providing a skew in magnetic pole pieces. The rotating electrical machine according to the present invention comprises a plurality of magnetic pole pieces disposed with a skew angle and a cylindrical attachment ring for attaching the magnetic pole pieces, wherein an engaging portion provided at outer perimeters of the attachment ring and an engaging portion included in the magnetic pole pieces are both extended along the rotating axis.

Abstract translation: 本发明在具有多个磁极片沿着旋转轴的外周安装的结构的旋转电机中，通过在磁极片上提供偏斜而提供具有小齿槽转矩的旋转电机的结构。 根据本发明的旋转电机包括多个倾斜角设置的磁极片和用于安装磁极片的圆柱形附接环，其中设置在附接环的外周的接合部分和包括的接合部分 磁极片都沿旋转轴线延伸。

公开(公告)号：US08648511B2

公开(公告)日：2014-02-11

申请号：US13010128

申请日：2011-01-20

Applicant: James Kenneth Booth ,  Soeren Gundtoft

Inventor： James Kenneth Booth ,  Soeren Gundtoft

IPC: H02K1/27 ,  H02K15/03

CPC classification number: H02K1/278 ,  H02K7/1838 ,  H02K2201/06 ,  Y02E10/725

Abstract: A magnetic component part for a rotor assembly of an electromechanical transducer is provided. The magnetic component part includes a base element having a first side and an opposing second side, a permanent magnet, attached to the base element at the first side, and a mounting structure fixed to the base element at the second side and adapted to be mechanically connected to a support structure of the rotor assembly. The permanent magnet is located in an offset position with respect to a central axis of the mounting structure, which central axis extends from the mounting structure through the second side to the first side. A rotor assembly, an electromechanical transducer and a wind turbine, which are all equipped with at least four magnetic component parts are also provided as well as a method for manufacturing a rotor assembly including at least four magnetic component parts.

Abstract translation: 提供了一种用于机电换能器的转子组件的磁性部件。 磁性部件包括具有第一侧和相对的第二侧的基体元件，在第一侧附接到基体元件的永磁体，以及在第二侧固定到基体元件并适于机械地安装的安装结构 连接到转子组件的支撑结构。 永磁体相对于安装结构的中心轴线位于偏移位置，该中心轴线从安装结构通过第二侧延伸到第一侧。 还提供了全部配备有至少四个磁性部件的转子组件，机电换能器和风力涡轮机，以及用于制造包括至少四个磁性部件的转子组件的方法。

公开(公告)号：US20140001910A1

公开(公告)日：2014-01-02

申请号：US13919392

申请日：2013-06-17

Applicant: JTEKT CORPORATION

Inventor： Yoshiyuki SHIBATA

IPC: H02K1/27 ,  H02K15/03

CPC classification number: H02K1/2773 ,  H02K15/03 ,  H02K2201/06 ,  Y10T29/49012

Abstract: A plurality of lamination steel sheets that form a rotor core are stacked so that the lamination steel sheets are angularly shifted from each other, and a plurality of cavities are formed. Permanent magnets are molded and disposed in the cavities by injection molding. Each permanent magnet has a uniform plate thickness, and is bent with respect to an axial direction so as to have a triangular wave shape or an S shape. The permanent magnets are magnetized after being disposed in the cavities. The paired magnet pieces have poles of the same polarity, which face each other in the circumferential direction of a rotor, and each of the magnet pieces is magnetized in directions of normals to a surface of the magnet piece, the surface having a linear sectional shape.

Abstract translation: 形成转子铁心的多个层叠钢板被层叠，使得层压钢板彼此成角度地移动，形成多个空腔。 永磁体通过注塑成型并设置在空腔中。 每个永磁体具有均匀的板厚度，并且相对于轴向弯曲成具有三角波形或S形。 在设置在空腔中之后，永磁体被磁化。 成对的磁体具有在转子的圆周方向上彼此相同的极性的磁极，并且每个磁体片在与磁体片的表面的法线方向上磁化，该表面具有线性截面形状 。

公开(公告)号：US08614532B2

公开(公告)日：2013-12-24

申请号：US13119013

申请日：2009-09-14

Applicant: Grzegorz Ombach ,  Jacek Junak ,  Horst Steegmueller

Inventor： Grzegorz Ombach ,  Jacek Junak ,  Horst Steegmueller

IPC: H02K1/06

CPC classification number: H02K21/14 ,  H02K1/276 ,  H02K1/278 ,  H02K3/34 ,  H02K29/03 ,  H02K2201/06

Abstract: The present invention relates to a permanent-magnet synchronous motor, particularly an electric three-phase motor, comprising a stator having a stator yoke in which stator teeth with interposed stator grooves are arranged, wherein on each stator tooth at least one winding is provided, further comprising a rotor having permanent magnets, wherein the stator teeth are arranged in layers as disks in the axial direction of the stator and designed at least as two different disks, wherein the stator teeth in a first disk are connected peripherally among each other at the ends thereof pointing toward the rotor in the form of a stator star by a connecting bridge and in a second disk have an interruption instead of the connecting bridge. The present invention further relates to an electric power-assisted steering system.

Abstract translation: 永磁同步电动机本发明涉及永磁同步电动机，特别涉及电动三相电动机，其特征在于，具有定子，所述定子具有定子磁轭，所述定子磁轭配置有具有插入的定子槽的定子齿，其中，在每个定子齿上设置有至少一个绕组， 还包括具有永磁体的转子，其中所述定子齿在所述定子的轴向方向上以盘形排列成至少两个不同的盘，其中第一盘中的定子齿在第 其端部通过连接桥指向定子星形式的转子，并且在第二盘中具有中断而不是连接桥。 本发明还涉及一种电力辅助转向系统。

公开(公告)号：US20130270958A1

公开(公告)日：2013-10-17

申请号：US13861836

申请日：2013-04-12

Applicant: DENSO CORPORATION

Inventor： Yuki TAKAHASHI ,  Masahiro SEGUCHI

IPC: H02K1/27

CPC classification number: H02K1/274 ,  H02K1/276 ,  H02K1/2766 ,  H02K21/14 ,  H02K29/03 ,  H02K2201/06 ,  H02K2213/03

Abstract: A rotary electric machine includes a stator and a rotor located in a rotatable manner relative to the stator via a gap. The stator includes a multi-phase stator winding that is held in a plurality of slots formed in the stator. The rotor includes at least one magnet section embedded therein so as to face the slots. The magnet section includes a plurality of axially laminated magnets with a skew angle which is an angle of a positional difference between the magnets. This skew angle θs is set so as to satisfy θs=kα/2 where α is a slot pitch which is an angle between the slots, and k is a coefficient set based on: an arc ratio θa being an angle covering an area in which magnetic flux radially flows from the magnetic section; and a slot factor S being a ratio of the slots relative to the magnet section.

Abstract translation: 一种旋转电机包括定子和转子，该定子以相对于定子的间隙可转动地定位。 定子包括保持在形成在定子中的多个槽中的多相定子绕组。 转子包括嵌入其中的至少一个磁体部分以面对槽。 磁体部分包括多个轴向层叠的磁体，其具有作为磁体之间的位置差的角度的倾斜角度。 该偏斜角度被设定为满足tas = kalpha / 2，其中α是狭缝之间的角度的狭缝间距，并且k是基于以下的系数集合：圆弧比θa是覆盖其中 磁通从磁性部分径向流动; 并且槽因子S是槽相对于磁体部分的比率。