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    • 1. 发明授权
    • Variable air-gap type driving device
    • 可变气隙式驱动装置
    • US5545943A
    • 1996-08-13
    • US153338
    • 1993-11-15
    • Akira SatakeYoshitaka OnishiSotsuo Miyoshi
    • Akira SatakeYoshitaka OnishiSotsuo Miyoshi
    • H02K41/06H01L41/04
    • H02K41/06
    • The variable air-gap type driving detector of the present invention for obtaining low speed and high torque outputs required to drive, for example, joints of industrial robots is provided with an elastic supporting means 22, whose one end is supported on a base stand 21 , for supporting a rotor 5 so as to restrain the rotor 5's autorotation; and an eccentric supporting meals, whose rotation shaft 23b is supported on the base stand 21 in a freely rotatable state, and an outside of whose eccentric shaft 23a is supported inside the motor 5, and further whose rotation shaft 23b rotates with the revolution of the rotor 5; and the driving device of the invention becomes simple in structure and small in size by being composed of using no cranks or only a crank.Also, the driving device of the invention is provided with a first gear supported on a base stand in a freely rotatable state; and a second gear, linked with a rotor, for rotating the first gear by revolving inside the first gear with the revolution of the rotor; therefore the revolution movements of the rotor become capable of being taken out from the first gear as rotation movements with only an eccentric supporting means.Further, the driving device of the invention is provided with a waveform generator for generating waveform signals, indicating voltage values or current values to be imposed on each coil of an armature, on command signals corresponding to rotation angles of a rotor; and a controlling power supply for giving voltages or current corresponding to waveform signals generated by the waveform generator to each coil; therefore smooth rotation movements based on rotation angles of the rotor can be obtained.
    • 用于获得驱动例如工业机器人的接头所需的低速和高扭矩输出的本发明的可变气隙式驱动检测器设置有弹性支撑装置22,其一端支撑在基座21上 用于支撑转子5以限制转子5的自转; 以及旋转轴23b以可自由旋转的状态支撑在基座21上的偏心支撑餐具,其偏心轴23a的外侧被支撑在马达5的内部,旋转轴23b的旋转轴 转子5; 并且本发明的驱动装置由于不使用曲柄或曲柄构成,结构简单且尺寸小。 此外,本发明的驱动装置设置有以可自由旋转的状态支撑在基座上的第一齿轮; 以及与转子连接的第二齿轮,用于通过转子的旋转在第一齿轮的内部旋转来旋转第一齿轮; 因此转子的旋转运动能够仅以偏心支撑装置作为旋转运动从第一齿轮中取出。 此外,本发明的驱动装置具有波形发生器,用于产生对与转子的旋转角相对应的命令信号产生施加在电枢的每个线圈上的电压值或电流值的波形信号; 以及控制电源,用于将对应于由波形发生器产生的波形信号的电压或电流提供给每个线圈; 因此可以获得基于转子旋转角度的平滑旋转运动。
    • 5. 发明申请
    • DIRECT-CURRENT MOTOR
    • 直流电动机
    • US20100060094A1
    • 2010-03-11
    • US12516400
    • 2007-11-26
    • Masayuki YokoyamaYouichi FujitaSotsuo MiyoshiNaohiro Oketani
    • Masayuki YokoyamaYouichi FujitaSotsuo MiyoshiNaohiro Oketani
    • H02K5/173
    • H02K5/1672H02K5/1732H02K7/083
    • [PROBLEMS] To provide a DC motor in which the rattling and the axial deviation of a rotor are restrained without increasing the axial dimension of the motor.[MEANS FOR SOLVING THE PROBLEMS] This DC motor comprises a stator (2) on which coils (4) are provided, a rotor (8) so disposed as to be opposed to the inner periphery of the stator (2) and having magnetic poles, a current-carrying part provided at one end of the rotor (8) and transferring the current fed from a power supply to the coils (4) of the stator (2), a sleeve bearing (6) holding the rotor (8), and a ball bearing (7) holding the rotor (8) and having a load-carrying capacity larger than that of the sleeve bearing (6). The outer ring of the ball bearing (7) is positioned by the stator (2), and the inner ring of the ball bearing (7) is positioned by the rotor (8).
    • [问题]提供一种直流电动机,其中转子的咔嗒声和轴向偏离被限制,而不增加电动机的轴向尺寸。 用于解决问题的手段该直流电动机包括设置有线圈(4)的定子(2),与定子(2)的内周对置配置的转子(8),具有磁极 ,设置在转子(8)的一端并将从电源供给的电流传递到定子(2)的线圈(4)的载流部分,保持转子(8)的套筒轴承(6) 以及保持转子(8)并且承载能力大于套筒轴承(6)的承载能力的滚珠轴承(7)。 滚珠轴承(7)的外圈由定子(2)定位,滚珠轴承(7)的内圈由转子(8)定位。
    • 7. 发明申请
    • Bearing Holding Structure For Motor
    • 电机轴承保持结构
    • US20080247694A1
    • 2008-10-09
    • US10567121
    • 2005-03-10
    • Kenta HatanoSotsuo Miyoshi
    • Kenta HatanoSotsuo Miyoshi
    • F16C35/00
    • H02K7/06F16K31/04H02K5/1732
    • A metallic member 22 is integrated with a molded rotor 12, and a bearing 16 is held to the rotor 12 through this metallic member 22. At that time, a washer 24 is secured to the metallic member, and the rotating portion of the bearing is held by this washer, thereby improving holding property and durability of the bearing. A stopper plate 21 for limiting the displacement of the output shaft of a motor is used as the metallic member, thereby enabling holding property and durability of the bearing to increase without increasing the number of components. The base-end side of the metallic member 22 is integrally in-mold molded with the rotor 12, which enables the metallic member 22 to be firmly held.
    • 金属构件22与模制转子12成一体,轴承16通过该金属构件22保持在转子12上。此时,垫圈24固定在金属构件上,轴承的旋转部分 由该垫圈保持,从而提高轴承的保持性和耐久性。 使用用于限制电动机的输出轴的位移的止动板21作为金属构件,从而能够在不增加构件数量的情况下增加轴承的保持性和耐久性。 金属构件22的基端侧与转子12整体模制成型,能够使金属构件22牢固地保持。