Patents by Inventor Richard E. Trudell

Richard E. Trudell 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 system for equalizing the torques of multiple engines driving a common load
    Patent number: 4277945
    Abstract: A control system equalizes the torques of a lead and a slave engine driving a common load by comparing the throttle settings of the engines and controlling the slave engine throttle with a speed signal equal to the algebraic sum of the lead engine speed signal and a control adjustment signal equal to the sum of an adjusted, selected gain times the sum of the instantaneous error signal and the integral of the error signal over an adjusted, selected reset time.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: July 14, 1981
    Assignee: Bird-Johnson Company
    Inventors: William F. Esthimer, Edward H. Morin, Richard E. Trudell