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公开(公告)号：US20180076675A1
公开(公告)日：2018-03-15
申请号：US15557301
申请日：2015-05-26
CPC分类号： H02K1/24 , H02K1/08 , H02K3/18 , H02K3/52 , H02K41/031
摘要： Two teeth on which windings are wound, and a teeth connecting portion disposed between the two teeth, connecting the teeth together, and having a mounting hole formed therein, are arranged in a line in a second direction, which is an arrangement direction. The teeth connecting portion has a support that supports the windings. The support has projections protruding from both end portions in the second direction of the teeth connecting portion to both sides in a first direction which is a width direction, and spaces formed between the projections in the second direction.
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公开(公告)号：US20170085143A1
公开(公告)日：2017-03-23
申请号：US15126503
申请日：2015-02-24
发明人： Toshinori TANAKA , Eigo TOTOKI , Ryuichi TAKIGUCHI
CPC分类号： H02K1/2706 , H02K1/146 , H02K1/276 , H02K1/278 , H02K29/03 , H02K2201/03 , H02K2201/06 , H02K2213/03
摘要： R1>R2>R3 is satisfied, where R1 is a radius of curvature of a cylindrical surface that contacts circular arc-shaped curved surfaces arranged circumferentially, R2 is a radius of curvature of the circular arc-shaped curved surfaces, and R3 is a radius of curvature of an upper surface of permanent magnets, air gaps are formed on radially outer portions of two circumferential side portions of magnet housing apertures, surfaces that contact two circumferential side surfaces of the permanent magnets so as to be parallel to a radial direction are disposed on radially inner portions of the two circumferential end portions, and B2>B1 is satisfied, where B1 is a thickness of a core portion of the rotor core between the circular arc-shaped curved surfaces and the magnet housing apertures at a magnetic pole center, and B2 is a thickness of a circumferential end portion of the core portion.
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公开(公告)号：US20220085678A1
公开(公告)日：2022-03-17
申请号：US17423913
申请日：2019-03-04
发明人： Junka OTOSAKA , Eigo TOTOKI , Toshinori TANAKA
摘要： When the number of teeth included in an in-phase teeth group is represented by T, a first half-slot adjacent to a k-th tooth is represented by A(k, 1), and a second half-slot adjacent to the k-th tooth is represented by A(k, 2), the number of turns of the coil arranged in A(1, 1) is the same as the number of turns of the coil arranged in A(T, 2), the number of turns of the coil arranged in A(1, 1) is different from the number of turns of the coil arranged in A(1, 2). The number of turns of the coil arranged in A(k, 2) is different from the number of turns of the coil arranged in A(k+1, 1), and the number of turns of the coils provided in the slot is twice the number of turns of the coil arranged in A(1, 1).
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公开(公告)号：US20170019041A1
公开(公告)日：2017-01-19
申请号：US15121181
申请日：2014-02-28
发明人： Makoto SUGIYAMA , Koki NAKA , Hisashi OTSUKA , Shinichi YAMAGUCHI , Eigo TOTOKI
CPC分类号： H02P6/10 , H02K1/2706 , H02P21/141 , H02P21/22 , H02P21/26 , H02P27/08 , H02P27/085 , H02P29/032 , H02P2205/05
摘要： A control device converts phase currents supplied to a permanent-magnet rotary motor into a d-axis current and a q-axis current on a dq coordinate axis, and calculates a current command (a d-axis current command or a q-axis current command) for changing at least one of values of the d-axis current and the q-axis current according to a rotor position, based on a torque command, the d-axis current and the q-axis current, so as to cause a magnitude of a reverse magnetic field acting on a permanent-magnet end part to be equal to or lower than a magnetic coercive force of a permanent magnet.
摘要翻译： 控制装置将提供给永磁体旋转电动机的相电流在dq坐标轴上转换为d轴电流和q轴电流，并计算电流指令（d轴电流指令或q轴电流 命令），用于根据转矩指令，d轴电流和q轴电流根据转子位置来改变d轴电流和q轴电流的值中的至少一个，从而使 作用于永磁体端部的反向磁场的大小等于或低于永磁体的磁矫顽力。
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