Patents by Inventor Thomas E. Eagan

Thomas E. Eagan 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).

  • Method and apparatus for controlling an engine test apparatus using lead-lag control
    Patent number: 5521824
    Abstract: A system (102) and method for controlling the operation of an engine test apparatus (104) during a test cycle is provided. The system (102) includes an operator interface (106) for producing a control mode signal and a plurality of setpoints. The system (102) also includes a test controller (108) for receiving the control mode signal and the plurality of setpoints and responsively operating the engine test apparatus. The test controller (108) senses operating characteristics of the engine test apparatus (104). The test controller (108) also selectively operates engine test apparatus parameters in accordance with the control mode signal.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: May 28, 1996
    Assignee: Caterpillar Inc.
    Inventors: Thomas E. Eagan, William R. Larson, Durwin D. Nigus
  • Method and apparatus for controlling an engine
    Patent number: 5435192
    Abstract: A system and method for controlling the operation of an engine test apparatus during a test cycle is provided. The system includes an operator interface for producing a control mode signal and a plurality of setpoints. The system also includes a test controller for receiving the control mode signal and the plurality of setpoints and responsively operating the engine test apparatus. The test controller senses operating characteristics of the engine test apparatus. The test controller also selectively operates engine test apparatus parameters in accordance with the control mode signal.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: July 25, 1995
    Inventors: Thomas E. Eagan, Durwin D. Nigus