Patents by Inventor R. Linn Gleghorn

R. Linn Gleghorn 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).

  • Synchronous machine rotor lamination
    Patent number: 4922152
    Abstract: A rotor lamination for a permanent magnet synchronous machine. The rotor lamination can be used for a two, four or eight pole synchronous machine. The orientation of the permanent magnets determines the number of poles of the machine. The lamination can also include openings adapted to contain conductors used to bring a synchronous motor up to synchronous speed as an induction motor.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: May 1, 1990
    Assignee: Siemens Energy & Automation, Inc.
    Inventors: R. Linn Gleghorn, Paul D. Wagner