Patents by Inventor Daniel Claude Gratton

Daniel Claude Gratton 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).

  • Back-up control method and apparatus for turbo machine
    Patent number: 6745572
    Abstract: A method and apparatus for controlling a turbo-machine in case of failure of the main burn fuel flow calculator. The apparatus receives at least information from various sensors as well as from the main burn fuel flow calculator. The method and apparatus, herein disclosed, provides a smooth and secure transition between the last burn fuel flow value before the failure of the main burn fuel flow calculator and the future burn fuel flow values.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: June 8, 2004
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Alexandre Jay, Jim Robert Jarvo, Daniel Claude Gratton
  • Back-up control apparatus for turbo machine
    Patent number: 6568166
    Abstract: A method and apparatus for controlling a turbo-machine in case of failure of the main burn fuel flow calculator. The apparatus receives at least information from various sensors as well as from the main burn fuel flow calculator. The method and apparatus, herein disclosed, provides a smooth and secure transition between the last burn fuel flow value before the failure of the main burn fuel flow calculator and the future burn fuel flow values.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: May 27, 2003
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Alexandre Jay, Jim Robert Jarvo, Daniel Claude Gratton
  • Back-up control method and apparatus for turbo machine
    Publication number: 20030079476
    Abstract: A method and apparatus for controlling a turbo-machine in case of failure of the main burn fuel flow calculator. The apparatus receives at least information from various sensors as well as from the main burn fuel flow calculator. The method and apparatus, herein disclosed, provides a smooth and secure transition between the last burn fuel flow value before the failure of the main burn fuel flow calculator and the future burn fuel flow values.
    Type: Application
    Filed: December 13, 2002
    Publication date: May 1, 2003
    Inventors: Alexandre Jay, Jim Robert Jarvo, Daniel Claude Gratton
  • Back-up control method and apparatus for turbo machine
    Publication number: 20020078692
    Abstract: A method and apparatus for controlling a turbo-machine in case of failure of the main burn fuel flow calculator. The apparatus receives at least information from various sensors as well as from the main burn fuel flow calculator. The method and apparatus, herein disclosed, provides a smooth and secure transition between the last burn fuel flow value before the failure of the main burn fuel flow calculator and the future burn fuel flow values.
    Type: Application
    Filed: December 22, 2000
    Publication date: June 27, 2002
    Inventors: Alexandre Jay, Jim Robert Jarvo, Daniel Claude Gratton