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    • 4. 发明授权
    • Motor
    • 发动机
    • US07218026B2
    • 2007-05-15
    • US10494600
    • 2002-11-08
    • Hiroshi MurakamiHisakazu KataokaAkihiko WatanabeHiroaki TanakaAkihiko YamazakiShinichi OkuyamaYasutake Seki
    • Hiroshi MurakamiHisakazu KataokaAkihiko WatanabeHiroaki TanakaAkihiko YamazakiShinichi OkuyamaYasutake Seki
    • H02K1/00
    • H02K19/103H02K1/148H02K3/522H02K2203/03
    • The objective of this invention is to provide a motor which can reduce occurrence of a torque reduction in the overload, and also lower the temperature of a motor main body immediately even in the case of a temperature rise in the motor main body.This motor comprises: a stator 20 that is constituted by a stator main body 1 having a plurality of slots 4 formed on the circumference of the main body with equal intervals from each other and teeth 3 each of which is located between the slots 4, and extends outward along the radial direction from the slot bottom face of the slots 4 with the same width, and a coil bobbin 7 that is attached to each of the teeth 3 of the stator main body 1, and is formed by winding a wire 6 around a bobbin 5 that has been preliminarily made from an insulating material such as a resin, in a concentrated winding system; and a rotor 2 that is maintained on the circumference of the stator 20 concentrically with the stator main body 1, in a manner so as to face the stator main body 1 through a predetermined air gap 19.
    • 本发明的目的是提供一种能够减少过载中的转矩降低的发生的电动机,即使在电动机主体的温度升高的情况下也能够立即降低电动机主体的温度。 该电动机包括:定子20,其由定子主体1构成,定子主体1具有形成在主体的圆周上的多个槽4,其间隔相等,齿3位于槽4之间, 沿着径向从槽4的槽底面以相同的宽度向外延伸;以及线圈架7,其被安装在定子主体1的每个齿3上,并且通过绕线6绕绕而形成 在集中卷绕系统中预先由诸如树脂的绝缘材料制成的线轴5; 以及与定子主体1同心地保持在定子20的圆周上的转子2,以通过预定的气隙19与定子主体1相对的方式。
    • 7. 发明授权
    • Motor
    • 发动机
    • US07683518B2
    • 2010-03-23
    • US11679918
    • 2007-02-28
    • Yuichi YoshikawaKiyomi KawamuraHiroshi MurakamiHideharu HiwakiYasushi KamadaHiroki Sato
    • Yuichi YoshikawaKiyomi KawamuraHiroshi MurakamiHideharu HiwakiYasushi KamadaHiroki Sato
    • H02K1/24H02K1/22H02K1/27
    • H02K1/276H02K29/03
    • A motor includes a stator formed of a stator iron-core having salient pole iron-cores and windings, and a rotor having a rotor iron-core in which permanent magnets are buried. A magnetic pole centerline connecting a rotary center of the rotor to a magnetic pole center crosses an external shape of the rotor iron-core at end point X, and the magnetic-pole boundary line connecting the rotary center to a magnetic pole boundary point crosses the external shape of the rotor iron-core at end point Z. A straight line angled at a given angle θa from the magnetic pole centerline has end point A. Then a sectional view of the rotor iron-core shows an arc drawn between the end points X and A, and the arc's center is the rotary center. The end points A and Z are connected by one or more than one straight lines in series.
    • 电动机包括由具有凸极铁芯和绕组的定子铁芯形成的定子和具有永磁体的转子铁心的转子。 将转子的旋转中心与磁极中心连接的磁极中心线在端点X与转子铁芯的外形交叉,将旋转中心与磁极边界点连接的磁极边界线穿过 在端点Z处的转子铁芯的外部形状。以给定角度和角度成角度的直线;来自磁极中心线的a具有端点A.然后转子铁芯的截面图示出了在 终点X和A,弧的中心是旋转中心。 端点A和Z通过串联的一条或多条直线连接。
    • 8. 发明授权
    • Motor
    • 发动机
    • US07723877B2
    • 2010-05-25
    • US11997800
    • 2006-11-24
    • Hideharu HiwakiHiroshi MurakamiKiyomi Kawamura
    • Hideharu HiwakiHiroshi MurakamiKiyomi Kawamura
    • H02K11/00H02K21/00
    • H02K29/08
    • A stator of a motor includes a stator core formed of a plurality of teeth and an annular yoke connecting the teeth to each other, and windings wound on the teeth. A rotor of the motor confronts the stator while supported rotatably, and includes a rotor magnet, a rotor core, and a position sensing magnet. The motor further includes a position sensor for sensing a rotational position of the rotor and a circuit board for supplying an electric current to the windings in response to the rotational position of the rotor. The rotor magnet, the rotor core, and the position sensing magnet are integrated into one unit, which is mounted on a shaft of the rotor.
    • 电动机的定子包括由多个齿形成的定子铁芯和将齿彼此连接的环形轭铁和缠绕在齿上的绕组。 电机的转子可旋转地面对定子,并且包括转子磁体,转子芯和位置感测磁体。 电动机还包括用于感测转子的旋转位置的位置传感器和用于响应于转子的旋转位置向绕组提供电流的电路板。 转子磁体,转子芯和位置感测磁体被集成到一个单元中,该单元安装在转子的轴上。
    • 9. 发明申请
    • MOTOR
    • 发动机
    • US20090128075A1
    • 2009-05-21
    • US11997800
    • 2006-11-24
    • Hideharu HiwakiHiroshi MurakamiKiyomi Kawamura
    • Hideharu HiwakiHiroshi MurakamiKiyomi Kawamura
    • H02K29/08H02K11/00
    • H02K29/08
    • A stator of a motor includes a stator core formed of a plurality of teeth and an annular yoke connecting the teeth to each other, and windings wound on the teeth. A rotor of the motor confronts the stator while supported rotatably, and includes a rotor magnet, a rotor core, and a position sensing magnet. The motor further includes a position sensor for sensing a rotational position of the rotor and a circuit board for supplying an electric current to the windings in response to the rotational position of the rotor. The rotor magnet, the rotor core, and the position sensing magnet are integrated into one unit, which is mounted on a shaft of the rotor.
    • 电动机的定子包括由多个齿形成的定子铁芯和将齿彼此连接的环形轭铁和缠绕在齿上的绕组。 电机的转子可旋转地面对定子,并且包括转子磁体,转子芯和位置检测磁体。 电动机还包括用于感测转子的旋转位置的位置传感器和用于响应于转子的旋转位置向绕组提供电流的电路板。 转子磁体,转子芯和位置感测磁体被集成到一个单元中,该单元安装在转子的轴上。