Patents by Inventor Travis E. Barnes

Travis E. Barnes 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 for controlling a hydraulically-actuated fuel injections system to start an engine
    Patent number: 5447138
    Abstract: In one aspect of the present invention, a method is disclosed that controls the pressure of actuating fluid supplied to a hydraulically-actuated injector. A target engine speed acceleration is determined, and compared to the actual engine speed acceleration to determine a desired actuating fluid pressure in order to control the fuel injection rate to start the engine.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: September 5, 1995
    Assignee: Caterpillar, Inc.
    Inventor: Travis E. Barnes
  • Method for controlling a hydraulically-actuated fuel injection system
    Patent number: 5445129
    Abstract: In one aspect of the present invention, a method is disclosed that controls the actuating fluid pressure supplied to a hydraulically-actuated injector and the time duration over which the hydraulically-actuated injector injects fuel. The desired actuating fluid pressure and injection duration is swept across a range of values to achieve an optimum combination of values to start an engine.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: August 29, 1995
    Assignee: Caterpillar Inc.
    Inventor: Travis E. Barnes
  • Electronic control system and method for a hydraulically-actuated fuel injection system
    Patent number: 5357912
    Abstract: An apparatus for controlling fuel injection parameters for fuel injection quantity, injection timing, and actuating fluid pressure of a hydraulically-actuated electronically-controlled fuel system. The apparatus utilizes signals indicative of actuating fluid pressure (P.sub.f) and/or actuating fluid viscosity (v) in order to determine such parameters.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: October 25, 1994
    Assignee: Caterpillar Inc.
    Inventors: Travis E. Barnes, Bradley W. Harrell