Patents by Inventor Lingbing ZHOU

Lingbing 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).

  • Five level inverter
    Patent number: 9692321
    Abstract: A five level inverter comprises six switch tubes, two inductors, four capacitor units and two reverse current preventing devices. The common terminal of the third capacitor unit and the fourth capacitor unit is connected with the common terminal of the first capacitor unit and the second capacitor unit. The third capacitor unit and the fourth capacitor unit are used as the output filter circuit of the inverter, and the common terminal of the third capacitor unit and the fourth capacitor unit is used as the midpoint of the DC bus.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: June 27, 2017
    Assignee: SUNGROW POWER SUPPLY CO., LTD.
    Inventors: Bing Hu, Liying Xue, Yanhu Zhang, Lingbing Zhou
  • FIVE LEVEL INVERTER
    Publication number: 20160268925
    Abstract: A five level inverter comprises six switch tubes, two inductors, four capacitor units and two reverse current preventing devices. The common terminal of the third capacitor unit and the fourth capacitor unit is connected with the common terminal of the first capacitor unit and the second capacitor unit. The third capacitor unit and the fourth capacitor unit are used as the output filter circuit of the inverter, and the common terminal of the third capacitor unit and the fourth capacitor unit is used as the midpoint of the DC bus.
    Type: Application
    Filed: December 4, 2013
    Publication date: September 15, 2016
    Inventors: Bing HU, Liying XUE, Yanhu ZHANG, Lingbing ZHOU