Patents by Inventor Zifeng Zhang

Zifeng Zhang 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).

  • Publication number: 20230339304
    Abstract: The present disclosure discloses an aluminum alloy frame and power cell compartment integration structure, including an aluminum alloy frame and a power cell compartment. The aluminum alloy frame includes left and right longitudinal beams and several cross beams; the power cell compartment includes left and right supports, a bottom plate, a framework, an upper cover, and a charging port; the left and right supports, the upper cover and the bottom plate are respectively mounted on two side surfaces, a top and a bottom of the framework; a power cell is assembled in the framework of the power cell compartment; the charging port connected to the power cell is formed in the framework; and the power cell compartment is detachably assembled between the left and right longitudinal beams of the aluminum alloy frame through the left and right supports on the two side surfaces of the framework.
    Type: Application
    Filed: January 13, 2023
    Publication date: October 26, 2023
    Inventors: Dengfeng Wang, Zifeng Zhang
  • Patent number: 8362643
    Abstract: The present invention provides a battery-based grid energy storage for balancing the load of an power grid, wherein the energy storage comprises: a battery array; a bi-directional inverter unit; the bi-directional inverter system is configured to charge battery array using power from the power grid, or conversely, to transmit power from battery array to the power grid; a monitor system configured to detect the load, frequency and phase of the power grid, and control the bi-directional inverter system to charge battery array using power form the power grid, or conversely, transmits power from battery array to the power grid in accordance with the frequency and phase of the power grid so as to balance the load of the power grid, and meet the requirements during peak hours of electric power consumption.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: January 29, 2013
    Assignee: BYD Company Ltd.
    Inventors: Hongbin Luo, Yunhao Liao, Zifeng Zhang, Yinghui Wang, Linwang Deng, Donghong Chen, Shaowen Yin, Xiaohua Tang
  • Publication number: 20120068540
    Abstract: An energy storage system for balancing the load of a power grid, said energy storage system comprising: a controller; a plurality of energy storage tanks connected in parallel; and a plurality of controllable switches connected to the plurality of energy storage tanks, wherein the controller is configured to detect a frequency and a phase of the power grid, and to balance the load of the power grid based on the frequency and the phase of the power grid, by controlling the plurality of controllable switches to charge the plurality of energy storage tanks using power from the power grid or to input power from the plurality of energy storage tanks to the power grid.
    Type: Application
    Filed: November 28, 2011
    Publication date: March 22, 2012
    Inventors: Hongbin Luo, Yunhao Liao, Zifeng Zhang, Yinghui Wang, Linwang Deng, Shaowen Yin, Donghong Chen, Xiaohua Tang, Juan Xu