Patents by Inventor Alan B. Plunkett

Alan B. Plunkett 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).

  • Apparatus for controlling an electrical vehicle drive system
    Patent number: 4461988
    Abstract: A torque command proportional to accelerator position is provided at low speeds with a transition to a torque command dependent on accelerator pedal position that varies to provide constant horsepower at high speeds. The transition occurs between constant torque command and torque command providing constant power at decreasingly lower speeds with decreasing accelerator pedal position. The torque command provides the control input to a traction motor for an electric vehicle.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: July 24, 1984
    Assignee: General Electric Company
    Inventor: Alan B. Plunkett