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    • 53. 发明申请
    • Electric motor and reduction motor
    • 电机和还原电机
    • US20110198954A1
    • 2011-08-18
    • US12998316
    • 2009-10-07
    • Tatsuyuki SaitoRyuichi TakakusagiToshiyuki KimuraYoshichika KawashimaKenji Sakata
    • Tatsuyuki SaitoRyuichi TakakusagiToshiyuki KimuraYoshichika KawashimaKenji Sakata
    • H01R39/32H02K7/116
    • H02K3/28H02K7/1166H02K13/10H02K23/04H02K23/34
    • Disclosed is a motor in which a commutator (10) is provided with connecting wires which short-circuit equipotential segments; brushes (21) are constituted by a low-speed brush (21a), a high-speed brush (21b), and a common brush (21c) used in common by the low-speed and high-speed brushes, and are juxtaposed along the circumferential direction. The circumferential brush width (W2) of the high-speed brush is set to be smaller than the circumferential brush width (W1) of the low-speed brush. The high-speed brush and the low-speed brush are formed so that simultaneous sliding contact with equipotential segments (15) can be avoided. Additionally, armature cores (8) are provided such that a plurality of teeth (12) is point-symmetrical about a rotary shaft (3) at equal intervals in the circumferential direction, and the teeth and slots (13) are formed so as to exist alternately at intervals of 90 degrees in the circumferential direction. By virtue of the above configuration, vibration and noise can be reduced while achieving miniaturization and high performance of a motor.
    • 公开了一种电动机,其中换向器(10)设置有短路等电位段的连接线; 刷子(21)由低速和高速刷子共同使用的低速刷子(21a),高速刷子(21b)和普通刷子(21c)构成,并且并排 圆周方向。 高速刷的圆周刷宽度(W2)设定为小于低速刷的周向刷宽(W1)。 形成高速电刷和低速电刷,可以避免与等电位段(15)的同时滑​​动接触。 另外,电枢铁芯(8)设置成使得多个齿(12)在圆周方向上以相等的间隔围绕旋转轴(3)点对称,并且形成齿和槽(13),以便 在圆周方向以90度的间隔交替地存在。 通过上述结构,可以在实现电动机的小型化和高性能的同时降低振动和噪音。
    • 57. 发明授权
    • Electric motor and reduction motor
    • 电机和还原电机
    • US08941283B2
    • 2015-01-27
    • US13859475
    • 2013-04-09
    • Tatsuyuki SaitoRyuichi TakakusagiToshiyuki KimuraYoshichika KawashimaKenji Sakata
    • Tatsuyuki SaitoRyuichi TakakusagiToshiyuki KimuraYoshichika KawashimaKenji Sakata
    • H02K13/00
    • H02K3/28H02K7/1166H02K13/10H02K23/04H02K23/34
    • A windshield wiper motor includes a reduction mechanism unit and an electric motor. The electric motor includes a yoke formed in a bottomed cylindrical shape; four magnets arranged in a cylindrical shape on an inner surface of the yoke, an armature including a rotary shaft rotatably supported by the yoke, an armature core fixed to the rotary shaft and including any teeth of fourteen teeth, eighteen teeth, and twenty two teeth, a commutator being fixed to the rotary shaft and including a plurality of segments insulated from each other with the same number as the number of the teeth of the armature core, an armature coil being wound, and a plurality of connecting wires respectively connected to the segments arranged to face each other around the rotary shaft, and a first brush, a second brush, and a third brush coming into sliding contact with the segments of the commutator.
    • 挡风玻璃刮水器马达包括减速机构单元和电动马达。 电动机包括形成为有底圆筒形状的磁轭; 在磁轭的内表面上以圆柱形形式布置的四个磁体,包括由该磁轭可旋转地支撑的旋转轴的电枢,固定到旋转轴的电枢铁芯,包括十四个齿,十八个齿和二十二个齿的任何齿 固定在所述旋转轴上的换向器,并且具有与所述电枢铁芯的齿数,卷绕的电枢线圈相同数量的彼此绝缘的多个段,以及分别连接到所述电枢铁芯的多个连接线 被布置为围绕旋转轴彼此面对的部分,以及第一刷子,第二刷子和与换向器的段滑动接触的第三刷子。