Patents by Inventor Timothy J. Held

Timothy J. Held 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).

  • Methods and apparatus for injecting fluids into a turbine engine
    Patent number: 7665308
    Abstract: A method facilitates operating a gas turbine engine. The method comprises supplying steam to a nozzle, supplying primary fuel to the nozzle, discharging the steam into a combustor from a plurality of circumferentially-spaced steam outlets defined in a tip of the nozzle, and discharging the primary fuel into the combustor from at least one outlet that is spaced circumferentially between the steam outlets.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: February 23, 2010
    Assignee: General Electric Company
    Inventors: Mark Durbin, Allen M. Danis, Timothy J. Held, James N. Cooper, Douglas Marti Fortuna, Daniel Durstock
  • Method and apparatus to decrease gas turbine engine combustor emissions
    Patent number: 6871501
    Abstract: A method enables a gas turbine engine including a combustor to be operated. The combustor includes a mixer assembly including an air swirler, a premixer, a dome plate, and a heat shield. The method comprises discharging fluids from the air swirler into the premixer, and directing cooling fluids through a cooling opening defined in at least one of the swirler and the dome plate towards an upstream side of the heat shield for impingement cooling of the heat shield.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: March 29, 2005
    Assignee: General Electric Company
    Inventors: John D. Bibler, Timothy J. Held, Mark A. Mueller
  • Method and apparatus to decrease gas turbine engine combustor emissions
    Publication number: 20040103668
    Abstract: A method enables a gas turbine engine including a combustor to be operated. The combustor includes a mixer assembly including an air swirler, a premixer, a dome plate, and a heat shield. The method comprises discharging fluids from the air swirler into the premixer, and directing cooling fluids through a cooling opening defined in at least one of the swirler and the dome plate towards an upstream side of the heat shield for impingement cooling of the heat shield.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 3, 2004
    Inventors: John D. Bibler, Timothy J. Held, Mark A. Mueller