Patents by Inventor Hossein Dehnavifard

Hossein Dehnavifard 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).

  • 2-Level Buck-Boost DC-To-DC Converters With Virtual Grounds
    Publication number: 20230369978
    Abstract: A conversion circuit is disclosed and includes a DC link, a first DC-to-DC converter, an inverter and a second inverter. The DC link includes DC link rails. The first DC-to-DC converter includes a first phase leg and a second phase leg. The first reactor is connected between a first center terminal of the first phase leg and at least one energy storage module. The second reactor is connected between a second center terminal of the second phase leg and the at least one energy storage module. The first reactor, the at least one energy storage module and the second reactor are connected in series between the first center terminal and the second center terminal such that the first DC-to-DC converter has a virtual ground.
    Type: Application
    Filed: May 1, 2023
    Publication date: November 16, 2023
    Applicant: Komatsu America Corp.
    Inventors: Gerald Murray BROWN, Hossein Dehnavifard, Muhammad Barkat Saifee