Patents by Inventor Aymen Mohamed Fawzi EL-Refaie

Aymen Mohamed Fawzi EL-Refaie 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).

  • HIGH POWER-DENSITY, HIGH BACK EMF PERMANENT MAGNET MACHINE AND METHOD OF MAKING SAME
    Publication number: 20170217320
    Abstract: An electric drive system includes a permanent magnet machine having a rotor and a stator and a power converter electrically coupled to the permanent magnet machine and configured to convert a DC link voltage to an AC output voltage to drive the permanent magnet machine. The power converter includes a plurality of silicon carbide switching devices having a voltage rating that exceeds a peak line-to-line back electromotive force of the permanent magnet machine at a maximum speed of the permanent magnet machine.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Applicant: General Electric Company
    Inventors: Aymen Mohamed Fawzi EL-Refaie, Robert Dean King