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    • 1. 发明公开
    • CYLINDRICAL IMPACT LINEAR MOTOR AND MANUFACTURING METHOD THEREFOR
    • US20240195277A1
    • 2024-06-13
    • US18076796
    • 2022-12-07
    • MING-HUNG LIN
    • MING-HUNG LIN
    • H02K33/16
    • H02K33/16
    • The present invention discloses a cylindrical impact linear motor and a manufacturing method therefor. A cylindrical impact linear motor includes a main housing and a vibrator assembly arranged in a central cavity. The main housing is provided with two anti-collision structures. The vibrator assembly includes two strong magnetic strips which are axially connected in series to each other and have poles with the same polarity adjacent to each other, and a magnetic isolation member arranged between the two strong magnetic strips. The cylindrical impact linear motor further includes an electromagnetic coil embedded in the main housing and located on an outer periphery of the vibrator assembly. The direction and magnitude of a current conducted by the electromagnetic coil are changed to form an axial movement of the vibrator assembly in proportion to the change of the current, thereby forming an impact frequency and an impact force in proportion. The vibrator assembly of the present invention uses two strong magnetic strips having poles with the same polarity adjacent to each other and a magnetic isolation member arranged between the two strong magnetic strips, so that a magnetic field extends in the radial direction, the generated magnetic field is limited to a smaller range, and the movement range of the magnetic field of the vibrator assembly during vibration is reduced, thereby reducing the influence on the coil and providing a better vibration effect.
    • 2. 发明公开
    • COUNTERWEIGHTED VIBRATION DEVICE AND MANUFACTURING METHOD THEREOF
    • US20240030796A1
    • 2024-01-25
    • US17870019
    • 2022-07-21
    • MING-HUNG LIN
    • MING-HUNG LIN
    • H02K33/18H02K33/02H02K5/22B06B1/04
    • H02K33/18H02K33/02H02K5/225B06B1/045H02K2211/03
    • The present invention discloses a counterweighted vibration device and a manufacturing method thereof. The counterweighted vibration device includes a shell provided with a hollow cavity and a vibration assembly, wherein the shell is provided with two elastic support structures located at two ends of the vibration assembly, and the shell is further provided with slots configured for passage of the two ends of the vibration assembly and to be in communication with the hollow cavity; the vibration assembly includes two counterweights each located at one of the two ends thereof, short strong magnetic strips each adjacent to one of the counterweights, a long strong magnetic strip located between the two short strong magnetic strips, and two fixing screws located on two sides separately and configured to couple the counterweights, the short strong magnetic strips and the long strong magnetic strip together; the vibration device further includes two coils, and a change in a current flowing through each of the two coils causes a magnetic force to change, so as to produce vibration of the vibration assembly in proportion to the change in the current; and the counterweights are of a non-magnetic material. In the present invention, a magnetic field generated by the short strong magnetic strips and the long strong magnetic strip is limited to a smaller range, so that the movement range of the magnetic field of the vibration assembly during vibration is reduced, thereby reducing the influence on the coils and providing a better vibration effect.