Stator core for rotating electric machine

    公开(公告)号:US09876398B2

    公开(公告)日:2018-01-23

    申请号:US14301276

    申请日:2014-06-10

    CPC classification number: H02K1/148 H02K1/02 H02K1/14 H02K2201/09

    Abstract: A stator core for a rotating electric machine includes a plurality of split cores. Each of the plurality of split cores includes a back yoke, a tooth, and a single caulking portion. When each of the plurality of split cores is seen in an axial direction, two inner circumferential-side intersections and two outer circumferential-side intersections are defined, both circumferential-end surfaces of the tooth intersect an inner circumferential surface of the back yoke at the two inner circumferential-side intersections, virtual lines drawn by extending both the circumferential-end surfaces of the tooth intersect an outer circumferential surface of the back yoke at the two outer circumferential-side intersections, a central position of the caulking portion is disposed in an opposing angular region on a radially outer side out of four opposing angular regions defined by lines diagonally connecting the two inner circumferential-side intersections to the respective two outer circumferential-side intersections.

    ROTARY ELECTRIC MACHINE AND STATOR OF ROTARY ELECTRIC MACHINE

    公开(公告)号:US20170085139A1

    公开(公告)日:2017-03-23

    申请号:US15265147

    申请日:2016-09-14

    Abstract: A stator and a rotary electric machine include a stator core including a plurality of stacked annular electromagnetic steel plates with coupling portions. The coupling portions are arranged with a pitch of an integral multiple of a central angle. The central angle is defined as an angle between two adjacent magnetic poles of the same polarity relative to a rotational center of the rotor. When a number of the coupling portions is an odd number, fixing portions are arranged with the same pitch as the pitch of the coupling portions, or with a pitch corresponding to a divisor of the pitch of the coupling portions. When a number of the coupling portions is an even number, the fixing portions are arranged with a pitch corresponding to a divisor of the pitch of the coupling portions, or a divisor of 180°.

    HIGH TEMPERATURE LAMINATED STATOR CORES AND METHODS FOR THE MANUFACTURE THEREOF
    64.
    发明申请
    HIGH TEMPERATURE LAMINATED STATOR CORES AND METHODS FOR THE MANUFACTURE THEREOF 审中-公开
    高温层压定子线及其制造方法

    公开(公告)号:US20160226323A1

    公开(公告)日:2016-08-04

    申请号:US14609752

    申请日:2015-01-30

    Abstract: Embodiments of laminated stator cores suitable for usage in high temperature applications are provided, as are embodiments of methods for manufacturing high temperature laminated stator core. In one embodiment, the method includes obtaining a plurality of coated laminates each comprising a laminate over which a coating precursor layer is formed. The coating precursor layer contain inorganic dielectric particles having a softening point. The plurality of coated laminates are arranged in a laminate stack, which is then fired at temperatures equal to or greater than the softening point of the inorganic dielectric particles. During firing, a compressive force is applied to the laminate stack sufficient to consolidate the inorganic dielectric particles into a plurality of coherent interlaminate dielectric layers electrically insulating and bonding together the plurality of coated laminates as the high temperature laminated stator core.

    Abstract translation: 提供了适用于高温应用的层叠定子铁芯的实施例,如制造高温层压定子铁心的方法的实施例。 在一个实施方案中,该方法包括获得多个涂覆的层压体,每个涂层层压板包括形成有涂层前体层的层压板。 涂层前体层含有具有软化点的无机介电粒子。 多个涂覆的层压体被布置在层压叠层中,然后在等于或大于无机介电颗粒的软化点的温度下烧制。 在焙烧期间,将压缩力施加到叠层叠层上,足以将无机介电颗粒固结成多个相干层间电介质层,将多个涂覆的层压板电绝缘并结合在一起作为高温层压定子芯。

    STATOR FOR ELECTRIC ROTATING MACHINE
    65.
    发明申请
    STATOR FOR ELECTRIC ROTATING MACHINE 审中-公开
    电动旋转定子

    公开(公告)号:US20150256037A1

    公开(公告)日:2015-09-10

    申请号:US14638231

    申请日:2015-03-04

    Abstract: A stator for an electric rotating machine includes an annular stator core, an outer cylinder fitted on a radially outer surface of the stator core, and a stator coil mounted on the stator core. The stator core is comprised of a plurality of stator core segments that are arranged in a circumferential direction of the stator core so as to adjoin one another in the circumferential direction. The stator coil is fixed to the stator core by a thermosetting resin that is set by induction-heating the stator core. Each of the stator core segments is formed by laminating a plurality of steel sheets in an axial direction of the stator core and fixing at least some of the steel sheets by staking. The number of staking portions formed in one of the steel sheets is different from the number of staking portions formed in another one of the steel sheets.

    Abstract translation: 旋转电机的定子包括环形定子铁心,安装在定子铁芯的径向外表面上的外筒和安装在定子铁芯上的定子线圈。 定子铁芯由多个定子铁芯段构成,定子铁芯段沿定子铁心的圆周方向沿圆周方向彼此相邻配置。 定子线圈通过感应加热定子铁心设置的热固性树脂固定在定子芯上。 每个定子铁芯段通过在定子铁芯的轴向层压多个钢板并通过铆接固定至少一些钢板而形成。 在一个钢板中形成的铆接部的数量与在另一个钢板中形成的铆接部的数量不同。

    Electrical rotary machine
    66.
    发明授权
    Electrical rotary machine 有权
    电动旋转机

    公开(公告)号:US09030076B2

    公开(公告)日:2015-05-12

    申请号:US13642231

    申请日:2011-05-17

    Applicant: Tomohiro Sato

    Inventor: Tomohiro Sato

    Abstract: An electrical rotary machine comprises a stator having a plurality of split cores arranged in an annular shape and a holding ring capable of retaining the plurality of split cores on an inner circumferential surface so that a surface pressure is applied to an outer circumferential surface of the split cores. The electrical rotary machine further comprises a rotor provided radially inside of the stator facing the split cores in a radial direction and rotatable relative to the stator. Each of the split cores includes a tooth portion extending in an radial direction and a back yoke portion extending in a circumferential direction. Each of the split cores further includes a slit penetrating an outer circumferential periphery of the back yoke portion except for either circumferential end of the back yoke portion.

    Abstract translation: 电动旋转机械包括定子,该定子具有多个以环状形成的分割铁心,以及保持环,该保持环能够将多个分裂铁芯保持在内周面上,使得表面压力施加到分体的外周面 核心。 电动旋转机械还包括一个转子,该转子径向设置在定子的内侧,面向分离芯体的径向方向并相对于定子可转动。 每个分割芯包括沿径向方向延伸的齿部分和沿圆周方向延伸的后轭部分。 每个分离芯还包括穿过后轭铁部分的外圆周的狭缝,除了后轭部分的任一圆周端。

    FIXING RESIN COMPOSITION, ROTOR, AUTOMOBILE, AND METHOD OF MANUFACTURING ROTOR
    68.
    发明申请
    FIXING RESIN COMPOSITION, ROTOR, AUTOMOBILE, AND METHOD OF MANUFACTURING ROTOR 有权
    固定树脂组合物,转子,汽车和制造转子的方法

    公开(公告)号:US20140327329A1

    公开(公告)日:2014-11-06

    申请号:US14361193

    申请日:2012-10-02

    Inventor: Tetsuya Kitada

    Abstract: A solid fixing resin composition, which has excellent filling properties, and a rotor using the same are provided. The fixing resin composition is used to form a fixing member constituting a rotor which includes a rotor core (110) which has a laminate formed by lamination of a plurality of plate members, is fixed and installed on a rotating shaft, and has a plurality of hole portions (150) arranged along the peripheral portion of the rotating shaft, provided in the laminate; a magnet (120) inserted in the hole portion (150); and a fixing member (130) formed by curing a fixing resin composition, filled in the separation portion between the hole portion (150) and the magnet (120), the resin composition including a thermosetting resin (A) containing an epoxy resin; a curing agent (B); and an inorganic filler (C), in which the ICI viscosity at 150° C. of the epoxy resin is equal to or less than 3 poises.

    Abstract translation: 提供了具有优异填充性能的固体树脂组合物和使用其的转子。 固定树脂组合物用于形成构成转子的固定构件,该固定构件包括具有通过多个板构件的层压形成的层压体的转子铁芯(110),固定并安装在旋转轴上,并且具有多个 设置在所述层叠体中的沿着所述旋转轴的周边部配置的孔部(150) 插入所述孔部(150)中的磁体(120); 以及通过固化填充在孔部分(150)和磁体(120)之间的分离部分中的固定树脂组合物形成的固定构件(130),该树脂组合物包括含有环氧树脂的热固性树脂(A) 固化剂(B); 和无机填料(C),其中环氧树脂的150℃下的ICI粘度等于或小于3泊。

    PERMANENT MAGNET EMBEDDED TYPE ROTATING ELECTRICAL MACHINE
    70.
    发明申请
    PERMANENT MAGNET EMBEDDED TYPE ROTATING ELECTRICAL MACHINE 审中-公开
    永磁电脑嵌入式旋转电机

    公开(公告)号:US20140175930A1

    公开(公告)日:2014-06-26

    申请号:US14132520

    申请日:2013-12-18

    CPC classification number: H02K7/04 H02K1/276 H02K2201/09

    Abstract: A permanent magnet embedded type rotating electrical machine includes a rotor and a stator. The rotor includes a rotor core formed by a plurality of stacked and laminated magnetic steel plates and permanent magnets. Each magnetic steel plate has a plurality of magnet holes, connecting portions and sectional areas. The sectional area is surrounded by lines extending between the opposite ends of the magnet hole and between a rotation center of the rotor and the respective ends of the magnet hole. The connecting portion is provided only inside of the sectional area and is a joining portion at which any two adjacent magnetic steel plates are joined or a fastening hole in which a fastening member is inserted. The connecting portions include both the joining portion and the fastening hole. The connecting portion provided in the sectional area is at least one of the joining portion and the fastening hole.

    Abstract translation: 永磁体嵌入式旋转电机包括转子和定子。 转子包括由多个堆叠和层叠的电磁钢板和永磁体形成的转子芯。 每个磁钢板具有多个磁体孔,连接部分和截面积。 截面积由在磁体孔的相对端之间以及转子的旋转中心和磁体孔的各个端部之间延伸的线包围。 连接部分仅设置在截面区域的内部,并且是连接两个相邻的电磁钢板的接合部分或紧固件插入其中的紧固孔。 连接部分包括连接部分和紧固孔。 设置在截面区域中的连接部分是连接部分和紧固孔中的至少一个。

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