Patents by Inventor Geoffrey E. Davis

Geoffrey E. Davis 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).

  • Field compensated motor/generator
    Patent number: 4138629
    Abstract: A rotary electric motor/generator comprising a stator assembly including a single stator having a motor energizing winding and a generator output winding carried by the stator. A rotor is provided rotatable relative to the stator assembly, and includes a rotor winding carried by said rotor. The generator output winding is interconnected with the rotor winding to compensate for rotor reaction when the motor/generator is operating as a motor.
    Type: Grant
    Filed: November 4, 1976
    Date of Patent: February 6, 1979
    Assignee: Plessey Handel und Investments AG
    Inventors: Robert A. Miller, Geoffrey E. Davis