Patents by Inventor Helen Gill

Helen Gill 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).

  • Lean direct injection atomizer for gas turbine engines
    Patent number: 8156746
    Abstract: A lean direct injection fuel nozzle for a gas turbine is disclosed which includes a radially outer main fuel delivery system including a main inner air swirler defined in part by a main inner air passage having a radially inner wall with a diverging downstream surface, an intermediate air swirler radially inward of the main inner air swirler for providing a cooling air flow along the downstream surface of the radially inner wall of the main inner air passage, and a radially inner pilot fuel delivery system radially inward of the intermediate air swirler.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: April 17, 2012
    Assignee: Delavan Inc
    Inventors: Philip E. O. Buelow, Brandon P. Williams, David H. Bretz, Michael Spooner, Caroline Mohamed, Helen Gill
  • Lean direct injection atomizer for gas turbine engines
    Publication number: 20100287946
    Abstract: A lean direct injection fuel nozzle for a gas turbine is disclosed which includes a radially outer main fuel delivery system including a main inner air swirler defined in part by a main inner air passage having a radially inner wall with a diverging downstream surface, an intermediate air swirler radially inward of the main inner air swirler for providing a cooling air flow along the downstream surface of the radially inner wall of the main inner air passage, and a radially inner pilot fuel delivery system radially inward of the intermediate air swirler.
    Type: Application
    Filed: July 20, 2010
    Publication date: November 18, 2010
    Applicant: DELAVAN INC
    Inventors: Philip E.O. Buelow, Brandon P. Williams, David H. Bretz, Michael Spooner, Caroline Mohamed, Helen Gill
  • Lean direct injection atomizer for gas turbine engines
    Patent number: 7779636
    Abstract: A lean direct injection fuel nozzle for a gas turbine is disclosed which includes a radially outer main fuel delivery system including a main inner air swirler defined in part by a main inner air passage having a radially inner wall with a diverging downstream surface, an intermediate air swirler radially inward of the main inner air swirler for providing a cooling air flow along the downstream surface of the radially inner wall of the main inner air passage, and a radially inner pilot fuel delivery system radially inward of the intermediate air swirler.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: August 24, 2010
    Assignee: Delavan Inc
    Inventors: Philip E. O. Buelow, Brandon P. Williams, David H. Bretz, Michael Spooner, Caroline Mohamed, Helen Gill
  • Lean direct injection atomizer for gas turbine engines
    Publication number: 20060248898
    Abstract: A lean direct injection fuel nozzle for a gas turbine is disclosed which includes a radially outer main fuel delivery system including a main inner air swirler defined in part by a main inner air passage having a radially inner wall with a diverging downstream surface, an intermediate air swirler radially inward of the main inner air swirler for providing a cooling air flow along the downstream surface of the radially inner wall of the main inner air passage, and a radially inner pilot fuel delivery system radially inward of the intermediate air swirler.
    Type: Application
    Filed: April 6, 2006
    Publication date: November 9, 2006
    Inventors: Philip Buelow, Brandon Williams, David Bretz, Michael Spooner, Caroline Mohamed, Helen Gill