Patents by Inventor Patricia Mary Elliott

Patricia Mary Elliott 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).

  • Control of line harmonics
    Patent number: 6297613
    Abstract: A switched reluctance drive is supplied from a supply. The excitation applied to the phase winding(s) has one or more gaps inserted so that, when the phase currents are summed, the resulting supply current has a reduced harmonic content. The supply may be alternating or direct.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: October 2, 2001
    Assignee: Switched Reluctance Drives Limited
    Inventors: Patricia Mary Elliott, Howard James Slater