公开(公告)号：US20150326080A1

公开(公告)日：2015-11-12

申请号：US14805184

申请日：2015-07-21

Applicant: MABUCHI MOTOR CO., LTD.

Inventor： Tadayuki Wakita

IPC: H02K1/27

CPC classification number: H02K1/2773 ,  H02K2201/03 ,  H02K2213/03

Abstract: A rotor includes: a circular rotor core; and a plurality of θ magnets. The θ magnets are contained in a magnet holding sections such that the same magnetic pole of one magnet as that of another magnet adjacent to said one magnet faces the same magnet pole of the adjacent magnet in circumferential directions of the rotor core. Given that the number of magnetic poles of the rotor is denoted by P, the maximum outside diameter of the rotor core is denoted by Dr [mm], and the thickness of the plate-like magnet in a circumferential direction of the rotor core is denoted by Lm [mm], the following inequality (2) is satisfied: 0.665×10−4×P2−0.28×10−2×P+0.577×10−1

Abstract translation: 转子包括：圆形转子芯; 和多个＆thetas; 磁铁。 The＆ 磁体被容纳在磁体保持部分中，使得与所述一个磁体相邻的另一磁体的一个磁体的相同磁极在转子芯的圆周方向上面向相邻磁体的相同磁极。 假定转子的磁极数由P表示，则转子铁心的最大外径由Dr [mm]表示，并且表示转子铁心的圆周方向的板状磁体的厚度 通过Lm [mm]，满足以下不等式（2）：0.665×10-4×P2-0.28×10-2×P + 0.577×10-1 <（Lm / Dr）<3.38×10-4×P2 -1.86×10-2×P + 3.36×10-1（2）。

公开(公告)号：US09184637B2

公开(公告)日：2015-11-10

申请号：US13577346

申请日：2010-06-10

Applicant: Akihiro Yamamura ,  Kazuhisa Takashima ,  Hidechika Fujii ,  Masayuki Miyaoka ,  Satoru Akutsu

Inventor： Akihiro Yamamura ,  Kazuhisa Takashima ,  Hidechika Fujii ,  Masayuki Miyaoka ,  Satoru Akutsu

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

CPC classification number: H02K1/278 ,  H02K29/03 ,  H02K2201/03 ,  H02K2213/03

Abstract: A rotor of a rotary electric machine according to the present invention includes: a rotor core arranged on the outer circumferential side of a rotor shaft; and a plurality of magnetic poles fixed to the rotor core and circumferentially arranged on the rotor core, the rotor including a non-magnetic ring attached by insertion to the outer circumference of the plurality of the magnetic poles and having a substantially polygonal shape in outer circumferential shape. The non-magnetic ring is configured such that the inner circumferential length L of the non-magnetic ring before assembly with respect to the length of an envelope L0 of tangent lines each between the outer circumferential surface of the magnetic pole and the outer circumferential surface of the adjacent magnetic pole is set to L≦L0. An object is to obtain the rotor of the rotary electric machine capable of achieving reduction in size and cost.

Abstract translation: 根据本发明的旋转电机的转子包括：设置在转子轴的外周侧的转子芯; 以及固定在所述转子铁芯上且周向地设置在所述转子铁芯上的多个磁极，所述转子包括通过插入所述多个磁极的外周而附接的非磁性环，并且在外周具有大致多边形的形状 形状。 非磁性环被构造成使得组装前的非磁性环的内周长L相对于每个在磁极的外周面和外周面之间的切线的包络线L0的长度 相邻磁极设为L＆nlE; L0。 目的是获得能够实现尺寸和成本的减小的旋转电机的转子。

公开(公告)号：US20150276931A1

公开(公告)日：2015-10-01

申请号：US14592044

申请日：2015-01-08

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： GIOVANNI AIROLDI ,  PAUL KORDJIAN ,  XAVIER TOURDE ,  ADRIANA CRISTINA ,  LIJIAN WU

IPC: G01S17/08 ,  G01S7/48

CPC classification number: G01S17/08 ,  G01R31/34 ,  G01S7/4808 ,  H02K11/22 ,  H02K15/00 ,  H02K2201/03 ,  Y02E10/725

Abstract: A method of inspecting an air-gap of an electrical machine, which method including the steps of directing at least one laser beam (L) into the air-gap; detecting the laser beam (L) after reflection; determining the distance (dOK, dF) travelled by the laser beam (L); and analysing the travelled distance (dOK, dF) to detect an irregularity (Fpole, Foval, Fobject) in the air-gap is provided. The invention further describes an air-gap inspection apparatus for detecting an irregularity in the air-gap of an electrical machine, which apparatus including a laser module realised to direct at least one laser beam (L) into the air-gap and to detect the laser beam (L) after reflection; a computation unit realised to determine the distance (dOK, dF) travelled by the laser beam (L); and an analysis unit realised to analyse the travelled distance (dOK, dF) to detect an irregularity in the air-gap.

Abstract translation: 一种检查电机的气隙的方法，该方法包括以下步骤：将至少一个激光束（L）引导到气隙中; 反射后检测激光束（L）; 确定由激光束（L）行进的距离（dOK，dF）; 并提供行驶距离（dOK，dF）以检测气隙中的不规则性（Fpole，Foval，Fobject）。 本发明还描述了一种用于检测电机的气隙不规则性的气隙检查装置，该气隙检查装置包括实现将至少一个激光束（L）引入气隙的激光模块，并且检测 激光束（L）反射后; 实现用于确定由激光束（L）行进的距离（dOK，dF）的计算单元; 以及分析单元，用于分析行进距离（dOK，dF）以检测气隙中的不规则性。

公开(公告)号：US20150234011A1

公开(公告)日：2015-08-20

申请号：US14624867

申请日：2015-02-18

Applicant: VIBROSYSTM INC.

Inventor： Marius CLOUTIER

IPC: G01R31/34

CPC classification number: G01R31/343 ,  H02K11/20 ,  H02K2201/03

Abstract: A monitoring system for rotor or stator shape changes detection of a rotating machine which can be used with an electric rotating machine with salient pole rotor. The system comprising: at least one gap measuring sensor affixed on the stator and producing real time measurements of gap thickness for each passing rotor reference point and associating the real time measurements to a unique identifier for each rotor reference point; a memory for storing reference values of gap thickness for each rotor reference point and each sensor position; a comparator for comparing corresponding ones of the real time measurements and the references values and identifying a positive or negative variation in the gap thickness greater than a predetermined minimum percentage; and a warning signal generator for emitting at least one warning signal.

Abstract translation: 用于转子或定子形状的监控系统可以检测可与带有凸极转子的旋转电机一起使用的旋转机器。 该系统包括：固定在定子上的至少一个间隙测量传感器，并为每个经过的转子参考点产生间隙厚度的实时测量值，并将实时测量结果与每个转子参考点的唯一标识符相关联; 用于存储每个转子参考点和每个传感器位置的间隙厚度的参考值的存储器; 比较器，用于比较相应的实时测量值和参考值，并确定间隙厚度的正或负变化大于预定的最小百分比; 以及用于发出至少一个警告信号的警告信号发生器。

公开(公告)号：US20150214821A1

公开(公告)日：2015-07-30

申请号：US14534112

申请日：2014-11-05

Applicant: University of Maryland,Baltimore County

Inventor： Weidong ZHU ,  Navid GOUDARZI ,  Xuefeng WANG

IPC: H02K21/02 ,  F03D9/00 ,  B60L15/20 ,  H02P9/00

CPC classification number: H02K21/024 ,  B60L15/2009 ,  B60L2220/50 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2270/145 ,  F03D7/0272 ,  H02K7/1838 ,  H02K21/24 ,  H02K2201/03 ,  H02K2213/09 ,  H02P9/00 ,  Y02E10/723 ,  Y02T10/641 ,  Y02T10/645 ,  Y02T10/7275

Abstract: This invention relates to an active control system for a variable electromotive-force generator (VEG) for use in wind turbines, ships, hybrid vehicles, and related applications.

Abstract translation: 本发明涉及用于风力涡轮机，船舶，混合动力车辆和相关应用的可变电动势发生器（VEG）的主动控制系统。

公开(公告)号：US20150171698A1

公开(公告)日：2015-06-18

申请号：US14390487

申请日：2013-04-03

Applicant: KSB Aktiengesellschaft

Inventor： Sven Urschel

IPC: H02K5/132 ,  F04D13/08

CPC classification number: H02K5/132 ,  F04D13/08 ,  H02K5/12 ,  H02K5/1677 ,  H02K7/09 ,  H02K2201/03 ,  H02K2213/03

Abstract: The present invention relates to a synchronous reluctance motor for an underwater pump having a stator and a rotor which comprises a fluid barrier section for fanning one or more magnetic pole pairs, wherein the airgap between the rotor (12) and the stator (II) is at least partially filled with a ferrofluid (20). A further partial aspect of the invention relates to an underwater pump with such a synchronous reluctance motor for driving the pump.

Abstract translation: 本发明涉及具有定子和转子的水下泵的同步磁阻电动机，其包括用于扇形一个或多个磁极对的流体阻挡部分，其中转子（12）和定子（II）之间的气隙是 至少部分地填充有铁磁流体（20）。 本发明的另一部分方面涉及一种具有用于驱动泵的同步磁阻电动机的水下泵。

公开(公告)号：US20150171684A1

公开(公告)日：2015-06-18

申请号：US14377618

申请日：2013-02-19

Applicant: MOTEURS LEROY-SOMER

Inventor： Michael Leo McClelland ,  Xavier Jannot ,  Michel Labonne

IPC: H02K1/27

CPC classification number: H02K1/2786 ,  H02K1/2746 ,  H02K1/2766 ,  H02K2201/03

Abstract: A rotor of a rotating electric machine with flux concentration, including: a rotor body including recesses, and permanent magnets arranged in the recesses of the rotor body, said permanent magnets being arranged in the shape of a V oriented towards the air gap, each V defining an elementary polar portion, at least two consecutive elementary polar portions having an identical polarity.

Abstract translation: 具有通量集中的旋转电机的转子，包括：包括凹部的转子体和布置在转子体的凹部中的永磁体，所述永磁体被配置为朝向气隙定向的V形，每个V 限定基本极性部分，具有相同极性的至少两个连续基本极性部分。

公开(公告)号：US20150159475A1

公开(公告)日：2015-06-11

申请号：US14097992

申请日：2013-12-05

Applicant: Carlos A. Prieto ,  Deepak Kumar ,  Bennett M. Richard ,  Michael H. Johnson

Inventor： Carlos A. Prieto ,  Deepak Kumar ,  Bennett M. Richard ,  Michael H. Johnson

IPC: E21B43/12

CPC classification number: H02K9/19 ,  H02K5/132 ,  H02K7/14 ,  H02K2201/03

Abstract: In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes an AC motor having a rotor and a stator with a gap between the rotor and the stator and a magnetic fluid in the gap that contains an electrically nonconductive fluid and magnetic nanoparticles.

Abstract translation: 在一个方面，公开了一种在井筒中使用的装置，其在一个非限制性实施例中包括具有转子和定子的AC电动机，该转子和定子在转子和定子之间具有间隙，并且间隙中的磁性流体包含电气 非导电流体和磁性纳米颗粒。

公开(公告)号：US08975770B2

公开(公告)日：2015-03-10

申请号：US13091680

申请日：2011-04-21

Applicant: Emmanuele Gelmini

Inventor： Emmanuele Gelmini

IPC: F03B13/00 ,  H02P9/04 ,  H02K1/18 ,  F03D9/00 ,  H02K7/102 ,  H02K7/18 ,  F03D7/02

CPC classification number: H02K1/185 ,  F03D7/0248 ,  F03D9/25 ,  F03D80/70 ,  F05B2220/7066 ,  H02K7/102 ,  H02K7/1838 ,  H02K2201/03 ,  H02K2213/09 ,  Y02E10/723 ,  Y02E10/725

Abstract: A wind power turbine electric generator, the electric generator having a tubular first supporting structure extending about an axis of rotation; a second supporting structure extending about the axis of rotation, substantially coaxial with the first supporting structure, and fitted to the first supporting structure to rotate about the axis of rotation; first active parts fitted to the first supporting structure; second active parts fitted to the second supporting structure, facing the first active parts, and separated from the first active parts by an annular gap; and a radial tensioning device configured to adjust the shape of the first supporting structure about the axis of rotation.

Abstract translation: 一种风力涡轮发电机，所述发电机具有围绕旋转轴线延伸的管状第一支撑结构; 围绕所述旋转轴线延伸的第二支撑结构，与所述第一支撑结构基本上同轴，并且装配到所述第一支撑结构以围绕所述旋转轴线旋转; 第一活动部件装配到第一支撑结构; 与所述第二支撑结构配合的第二有源部件，所述第二有源部件面向所述第一有源部分，并且通过环形间隙与所述第一有源部分分离; 以及径向张紧装置，其构造成围绕旋转轴线调节第一支撑结构的形状。

公开(公告)号：US20150054379A1

公开(公告)日：2015-02-26

申请号：US14390386

申请日：2013-04-03

Applicant: Mahle International GmbH

Inventor： Martin Helmis ,  Michael Krappel

IPC: H02K1/14

CPC classification number: H02K1/14 ,  H02K21/222 ,  H02K29/03 ,  H02K2201/03

Abstract: An electric motor may have a rotor and a stator. An external part and an internal part may be arranged concentrically to a rotation axis and may be adjustable rotationally relative to each other about the rotation axis. The electric motor may be one of an external rotor motor and an internal rotor motor. The external part may have at least two permanent magnets. The internal part may have at least two pole arms and at least one electric coil. The rotor may be formed symmetrically and the stator may be formed asymmetrically.

Abstract translation: 电动机可以具有转子和定子。 外部部分和内部部件可以与旋转轴线同心地布置，并且可以围绕旋转轴线相对于彼此旋转地调节。 电动机可以是外部转子电动机和内部转子电动机之一。 外部部件可以具有至少两个永磁体。 内部部分可以具有至少两个极臂和至少一个电线圈。 转子可以对称地形成，并且定子可以不对称地形成。