Patents by Inventor Qingmin Qin

Qingmin Qin 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).

  • Hybrid power locomotive and energy balance control method and system thereof
    Patent number: 11949230
    Abstract: A hybrid power locomotive and an energy balance control method and system thereof is disclosed. In embodiments of the disclosure, the energy utilization rate is maximized by means of self-adaptive matching of the rotating speed and the power, dynamic balance control over the actual output voltage of the power pack is achieved by means of charging and discharging control over the energy storage element, and energy waste and power pack overload are avoided.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 2, 2024
    Assignee: CRRC ZHUZHOU LOCOMOTIVE CO., LTD.
    Inventors: Hongtao Liao, Wei Wang, Qingmin Qin, Zhe Chen, Qiang Fu
  • HYBRID POWER LOCOMOTIVE AND ENERGY BALANCE CONTROL METHOD AND SYSTEM THEREOF
    Publication number: 20230178981
    Abstract: A hybrid power locomotive and an energy balance control method and system thereof is disclosed. In embodiments of the disclosure, the energy utilization rate is maximized by means of self-adaptive matching of the rotating speed and the power, dynamic balance control over the actual output voltage of the power pack is achieved by means of charging and discharging control over the energy storage element, and energy waste and power pack overload are avoided.
    Type: Application
    Filed: November 18, 2020
    Publication date: June 8, 2023
    Applicant: CRRC ZHUZHOU LOCOMOTIVE CO., LTD.
    Inventors: Hongtao Liao, Wei Wang, Qingmin Qin, Zhe Chen, Qiang Fu