Patents by Inventor Roger Dean Thornton

Roger Dean Thornton 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: 11424612
    Abstract: A method and apparatus for operating an overvoltage response for an electric machine includes opening a first switching element and a second switching element in response to an overvoltage condition. In the instance that the overvoltage condition persists, the method and apparatus can further open a third switchable element to cease the overvoltage condition.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: August 23, 2022
    Assignee: GE Aviation Systems LLC
    Inventors: Hao Huang, David Dimitri Karipides, Roger Dean Thornton
  • Publication number: 20200328588
    Abstract: A method and apparatus for operating an overvoltage response for an electric machine includes opening a first switching element and a second switching element in response to an overvoltage condition. In the instance that the overvoltage condition persists, the method and apparatus can further open a third switchable element to cease the overvoltage condition.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: Hao Huang, David Dimitri Karipides, Roger Dean Thornton