Patents by Inventor Zhuoyuan ZHOU

Zhuoyuan ZHOU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stepless motor driving circuit and associated driving method
    Patent number: 10972038
    Abstract: A stepless motor driving circuit provides a sinusoidal shaped chopping signal for driving a motor. The driving circuit has: a switch circuit having an input which receives a rectified signal rectified from a sinusoidal AC signal and having a first output and a second output where the motor is coupled between; a synchronizing signal generating circuit which generates a synchronizing signal relating to the sinusoidal AC signal; and a switch driving circuit which selects and chops at least one switch in the switch circuit according to the synchronizing signal, and to form the sinusoidal shaped chopping signal which is corresponding to the sinusoidal AC signal.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: April 6, 2021
    Assignee: XIAMEN KIWI INSTRUMENTS CORPORATION
    Inventors: Huijie Yu, Ganfu Li, Zhuoyuan Zhou, Shuguang Wang
  • STEPLESS MOTOR DRIVING CIRCUIT AND ASSOCIATED DRIVING METHOD
    Publication number: 20200036317
    Abstract: A stepless motor driving circuit provides a sinusoidal shaped chopping signal for driving a motor. The driving circuit has: a switch circuit having an input which receives a rectified signal rectified from a sinusoidal AC signal and having a first output and a second output where the motor is coupled between; a synchronizing signal generating circuit which generates a synchronizing signal relating to the sinusoidal AC signal; and a switch driving circuit which selects and chops at least one switch in the switch circuit according to the synchronizing signal, and to form the sinusoidal shaped chopping signal which is corresponding to the sinusoidal AC signal.
    Type: Application
    Filed: September 6, 2019
    Publication date: January 30, 2020
    Inventors: Huijie YU, Ganfu LI, Zhuoyuan ZHOU, Shuguang WANG