Rotating electrical machine and elevator

    公开(公告)号:US10361598B2

    公开(公告)日:2019-07-23

    申请号:US15259625

    申请日:2016-09-08

    Abstract: According to one embodiment, a rotating electrical machine includes an annular winding, L (L is an arbitrary integer) stator magnetic poles, and L rotor magnetic poles having the same polarity. The L stator magnetic poles are disposed apart from each other in a rotational direction and facing the winding. The L rotor magnetic poles have the same polarity as each other. The L rotor magnetic poles are disposed apart from each other in the rotational direction and configured to face the L stator magnetic poles If an order of the fundamental wave component of a torque pulsation is N, M (M≤L) distances between centers of the adjacent poles between pole centers in one set of either the L stator magnetic poles or the L rotor magnetic poles are combinations of (Θ, Θ+Θ1/M, Θ+Θ1×2/M, . . . , and Θ+1×(M−1)/M), and Θ1 satisfies the relationship (180°/N)

    Transverse flux machine
    2.
    发明授权

    公开(公告)号:US10340780B2

    公开(公告)日:2019-07-02

    申请号:US15059684

    申请日:2016-03-03

    Abstract: According to one embodiment, a transverse flux machine includes a stator and a rotor. The stator includes a winding and a first ferromagnetic unit. The winding is wound along a rotational direction of a rotation axis. The first ferromagnetic unit has L (L is integer number) magnetic poles holding the winding. The rotor is rotatable relatively to the stator around the rotation axis. The rotor includes a second ferromagnetic unit having L magnetic poles facing the first ferromagnetic unit. If an order of harmonic component of torque ripple to be reduced is (N×1), (N×2), . . ., (N×(M−1)) (M and N are integer numbers. ML), among L magnetic poles in the first and second ferromagnetic units, a relative position of M magnetic poles along the rotational direction is shifted by Θ1 ((180°/N/M)Θ1 (540°/N/M)) in order.

    Rotating electrical machine, hoisting machine and elevator

    公开(公告)号:US10532912B2

    公开(公告)日:2020-01-14

    申请号:US15259741

    申请日:2016-09-08

    Abstract: According to one embodiment, a rotating electrical machine includes an annular winding, a stator core, and a rotor core. At least one of the stator core and the rotor core includes a first member and a second member. The first member and the second member are formed in annular shape. The first member and the second member overlap each other in an axial direction of the shaft. The first member includes a slit-shaped first insulation section. The first insulation section extends in the axial direction. The second member includes a slit-shaped second insulation section. The second insulation section extends in the axial direction. The first member and the second member are integrally connected. The first insulation section and the second insulation section are disposed at different positions in the rotation direction.

    ROTARY ELECTRIC MACHINE, ELECTRIC MOTOR, MACHINE, ELECTRIC GENERATOR, AND ELECTRIC GENERATING MACHINE
    5.
    发明申请
    ROTARY ELECTRIC MACHINE, ELECTRIC MOTOR, MACHINE, ELECTRIC GENERATOR, AND ELECTRIC GENERATING MACHINE 有权
    旋转电机,电动机,机,发电机,电机

    公开(公告)号:US20150084465A1

    公开(公告)日:2015-03-26

    申请号:US14483698

    申请日:2014-09-11

    CPC classification number: H02K1/145 H02K1/141 H02K21/145

    Abstract: According to one embodiment, a rotary electric machine includes a rotor that is rotatable at a predetermined position and includes a plurality of first magnetic members arranged along an outer circumferential surface, the first magnetic members each including a first magnetic pole and a second magnetic pole. The rotary electric machine includes a first supporting member that surrounds a periphery of the rotor. The rotary electric machine includes a plurality of second supporting members that are fixed to an inner circumferential surface of the first supporting member. The rotary electric machine includes a plurality of second magnetic members that are fixed on side surfaces of the second supporting members and that have a third magnetic pole facing the first magnetic pole with an air gap and a fourth magnetic pole facing the second magnetic pole with an air gap.

    Abstract translation: 根据一个实施例,旋转电机包括可在预定位置旋转的转子,并且包括沿着外圆周表面布置的多个第一磁性部件,所述第一磁性部件各自包括第一磁极和第二磁极。 旋转电机包括围绕转子周边的第一支撑构件。 旋转电机包括固定在第一支撑构件的内周面上的多个第二支撑构件。 旋转电机包括多个第二磁性构件,其固定在第二支撑构件的侧表面上,并且具有面对具有气隙的第一磁极的第三磁极和与第二磁极相对的第四磁极, 气隙。

    Electric rotating machine
    8.
    发明授权

    公开(公告)号:US10027189B2

    公开(公告)日:2018-07-17

    申请号:US14725700

    申请日:2015-05-29

    Abstract: According to an embodiment, an electric rotating machine includes a rotor element, an annular coil, a plurality of stator cores, and a plurality of wedge members. The rotor element is rotatable around a rotation axis. The coil is provided to be coaxial with the rotation axis. The plurality of stator cores are provided opposite to the rotor element and each includes a pair of magnetic pole parts opposing each other with the coil being interposed therebetween. Each of the plurality of wedge members is arranged between adjacent stator cores to apply preloads to the adjacent stator cores, the preloads containing components in a rotation direction of the rotor element and being opposite to each other.

    TRANSVERSE FLUX MACHINE AND VEHICLE
    9.
    发明申请
    TRANSVERSE FLUX MACHINE AND VEHICLE 审中-公开
    横向通风机和车辆

    公开(公告)号:US20150091403A1

    公开(公告)日:2015-04-02

    申请号:US14291681

    申请日:2014-05-30

    Inventor: Yasuhito Ueda

    CPC classification number: H02K21/145 H02K1/141 H02K2201/12

    Abstract: A transverse flux machine includes a stator having a circular coil wound in a rotational direction, a plurality of first ferromagnets arranged in the rotational direction, each of the first ferromagnets surrounding a part of the circular coil; and a rotor arranged to face the first ferromagnets across a gap, the rotor being rotatable about a center axis of the circular coil; wherein the rotor includes a plurality of second ferromagnets arranged in the rotational direction; and a flux-generation part arranged between adjacent ones of the second ferromagnets, each of the second ferromagnets to generate a magnetic field in the rotational direction.

    Abstract translation: 横向磁通机包括沿旋转方向缠绕的圆形线圈的定子,沿旋转方向布置的多个第一铁磁体,每个第一铁磁体围绕圆形线圈的一部分; 以及转子,其布置成跨过间隙面对所述第一铁磁体,所述转子可围绕所述圆形线圈的中心轴线旋转; 其中所述转子包括沿所述旋转方向布置的多个第二铁磁体; 以及布置在相邻的第二铁磁体之间的磁通产生部件,每个第二铁磁体沿旋转方向产生磁场。

    Electric rotating machine, electric rotating machine system, vehicle, power generator, lifting device, and robot

    公开(公告)号:US11462955B2

    公开(公告)日:2022-10-04

    申请号:US16555510

    申请日:2019-08-29

    Abstract: An electric rotating machine according to an embodiment includes a stator, and a rotor that is rotatable about a rotational center. The stator includes a winding having an annular shape with the rotational center, a first core, and a second core. The first core surrounds a part of the winding, and has a pole face to which a magnetic flux is input in a first direction, and a pole face from which the magnetic flux is output in the first direction. The second core surrounds a part of the winding, and has a pole face to which a magnetic flux is input in a second direction, and a pole face from which the magnetic flux is output in the second direction. The rotor is positioned spaced from the first core and the second core, and is rotatable about the rotational center, relatively with respect to the stator.

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