Patents by Inventor David W. Zhang

David W. 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).

  • Patent number: 10345758
    Abstract: Computer processor controlled energy harvester system. The system uses a plurality of oscillating weight type energy collectors, each configured to store the energy from changes in the system's ambient motion as stored mechanical energy, often in a compressed spring. The energy collectors are configured to move between a first position where the energy collector stores energy, to a second position where the energy collectors release stored energy to a geared electrical generator shaft, thus producing electrical energy, often stored in a battery. A plurality of processor controlled electronic actuators, usually one per energy collector, control when each energy collector stores and releases energy. The processor can use accelerometer sensors, battery charge sensors, and suitable software and firmware to optimize system function.
    Type: Grant
    Filed: October 7, 2018
    Date of Patent: July 9, 2019
    Assignee: RISING STAR PATHWAY, A CALIFORNIA CORPORATION
    Inventors: David W. Zhang, Kevin Bryan, Serena Mao, Owen Xu Li, Julie Broch, Michelle Hua
  • Publication number: 20190041798
    Abstract: Computer processor controlled energy harvester system. The system uses a plurality of oscillating weight type energy collectors, each configured to store the energy from changes in the system's ambient motion as stored mechanical energy, often in a compressed spring. The energy collectors are configured to move between a first position where the energy collector stores energy, to a second position where the energy collectors release stored energy to a geared electrical generator shaft, thus producing electrical energy, often stored in a battery. A plurality of processor controlled electronic actuators, usually one per energy collector, control when each energy collector stores and releases energy. The processor can use accelerometer sensors, battery charge sensors, and suitable software and firmware to optimize system function.
    Type: Application
    Filed: October 7, 2018
    Publication date: February 7, 2019
    Inventors: David W. Zhang, Kevin Bryan, Serena Mao, Owen Xu Li, Julie Broch, Michelle Hua