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    • 7. 发明授权
    • Motor speed controlling device
    • 电机调速装置
    • US4600867A
    • 1986-07-15
    • US666608
    • 1984-10-30
    • Ikuo HayashiTakaharu IdogakiHisasi Kawai
    • Ikuo HayashiTakaharu IdogakiHisasi Kawai
    • H02P23/00H02P7/06
    • H02P23/16Y10S388/90Y10S388/915
    • A motor speed controlling device comprises a rotating shaft connected to an axle and having rotation speed (set speed) varying with the passage of time, a motor with an output shaft connected to a pointer of a speedometer by means of an eddy-current coupling, rotation detectors generating pulse signals respectively proportional to the rotation speed in the rotating shaft and the output shaft and having the same frequency and the same pulse width at the same rotation speed, a logical operation circuit for discriminating the binary state of both pulse signals, and an integrating circuit which increases driving signal to the motor at a definite gradient when one pulse signal is in the 1 state and the other pulse signal is in the 0 state and decreases the driving signal at a definite gradient when one pulse signal is in the 0 state and other pulse signal is in the 1 state and holds the driving signal to the constant value when both pulse signals are at the same level. The rotation speed of the motor accurately follows the set speed according to the driving signal varying as above described and the speedometer pointer connected through the eddy-current coupling to the motor indicates the vehicle speed.
    • 一种电动机速度控制装置,包括连接到车轴的旋转轴,具有随着时间的推移而变化的转速(设定速度),具有通过涡流联轴器连接到速度计的指针的输出轴的电动机, 旋转检测器产生分别与旋转轴和输出轴中的旋转速度成比例的脉冲信号,并且在相同的转速下具有相同的频率和相同的脉冲宽度,用于识别两个脉冲信号的二进制状态的逻辑运算电路和 当一个脉冲信号处于1状态并且另一个脉冲信号处于0状态并且当一个脉冲信号为0时以一定的梯度减小驱动信号时,积分电路以确定的梯度将驱动信号增加到电动机 状态等脉冲信号处于1状态,并且当两个脉冲信号处于相同电平时,将驱动信号保持为恒定值。 电动机的转速根据如上所述的驱动信号精确地跟随设定速度,并且通过与电动机的涡流耦合相连的速度计指示器指示车速。
    • 8. 发明授权
    • Rotary drive apparatus with permanent magnets on the rotor and stator
    • 在转子和定子上具有永磁体的旋转驱动装置
    • US4533847A
    • 1985-08-06
    • US616187
    • 1984-06-01
    • Takaharu IdogakiIkuo HayashiHisasi KawaiKyo HattoriKazuhiro Sakurai
    • Takaharu IdogakiIkuo HayashiHisasi KawaiKyo HattoriKazuhiro Sakurai
    • H02K21/14H01F7/14H02K37/16H02K1/00
    • H01F7/145
    • A rotary drive apparatus including a frame having at least three holes; a yoke having a center portion and two side bar portions on opposite sides of the center portion, the center portion having a hole, coils mounted on the side bar portions of the yoke, a collar having a bore and being tightly mounted on the surface of the hole of the yoke, magnetic parameter changing elements being mounted on the surface of the bore of the collar, and a rotor having magnetic poles in the radial direction and being inserted into the bore of the collar with a predetermined clearance. In the apparatus, a first hole of the frame is parallel to a first direction of the apparatus and has a cross-section for tightly receiving the center portion of the yoke, and a second and third holes of the frame are in a second direction perpendicularly intersecting the first direction and being concentric with each other oppositely the first hole, the center portion of the yoke being fit into the first hole. The position of the collar is adjusted through the second hole during the adjustment, and the third hole passes a shaft connected to one end of the rotor.
    • 一种旋转驱动装置,包括具有至少三个孔的框架; 轭具有在中心部分的相对侧上的中心部分和两个侧杆部分,中心部分具有孔,安装在轭的侧杆部分上的线圈,具有孔并且紧紧地安装在 磁轭的孔,磁参数改变元件安装在轴环的孔的表面上,以及转子,其具有径向方向的磁极并以预定的间隙插入到轴环的孔中。 在该装置中,框架的第一孔平行于装置的第一方向,并且具有用于紧密地容纳轭的中心部分的横截面,并且框架的第二和第三孔垂直于第二方向 与第一方向相交并且与第一孔相对地彼此同心,轭的中心部分装配到第一孔中。 在调整期间,通过第二孔调节轴环的位置,并且第三孔通过连接到转子的一端的轴。