Patents by Inventor Mark D. Durbin

Mark D. Durbin 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).

  • Patent number: 7520134
    Abstract: A method of operating a gas turbine engine is provided. The method includes discharging pilot fuel into a combustion chamber from a nozzle through at least one pilot fuel outlet defined in a tip of the nozzle, discharging steam from the nozzle through a plurality of steam outlets that are spaced circumferentially about the plurality of pilot fuel outlets, and discharging primary fuel from the nozzle through a plurality of primary fuel outlets that are circumferentially aligned with the plurality of steam outlets. To facilitate mixing the primary fuel with the steam, the primary fuel is discharged from the nozzle tip at an oblique angle with respect to a centerline extending through the nozzle tip.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: April 21, 2009
    Assignee: General Electric Company
    Inventors: Mark D. Durbin, Allen Michael Danis, Timothy James Held, Daniel Durstock, James N. Cooper, Douglas Marti Fortuna
  • Publication number: 20080078180
    Abstract: A method of operating a gas turbine engine is provided. The method includes discharging pilot fuel into a combustion chamber from a nozzle through at least one pilot fuel outlet defined in a tip of the nozzle, discharging steam from the nozzle through a plurality of steam outlets that are spaced circumferentially about the plurality of pilot fuel outlets, and discharging primary fuel from the nozzle through a plurality of primary fuel outlets that are circumferentially aligned with the plurality of steam outlets. To facilitate mixing the primary fuel with the steam, the primary fuel is discharged from the nozzle tip at an oblique angle with respect to a centerline extending through the nozzle tip.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 3, 2008
    Inventors: Mark D. Durbin, Allen Michael Danis, Timothy James Held, Daniel Durstock, James N. Cooper, Douglas Marti Fortuna