Patents by Inventor Philip E. O. Buelow

Philip E. O. Buelow 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
  • Radially outward flowing air-blast fuel injection for gas turbine engine
    Patent number: 8146837
    Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: April 3, 2012
    Assignee: Delavan Inc
    Inventors: Neal A. Thomson, Philip E. O. Buelow, David H. Bretz
  • Radially outward flowing air-blast fuel injector for gas turbine engine
    Patent number: 8128007
    Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: March 6, 2012
    Assignee: Delavan Inc
    Inventors: Neal A. Thomson, Philip E. O. Buelow, David H. Bretz
  • Radially outward flowing air-blast fuel injector for gas turbine engine
    Publication number: 20110089262
    Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.
    Type: Application
    Filed: December 17, 2010
    Publication date: April 21, 2011
    Applicant: DELAVAN INC
    Inventors: Neal A. Thomson, Philip E.O. Buelow, David H. Bretz
  • Radially outward flowing air-blast fuel injection for gas turbine engine
    Publication number: 20110089264
    Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.
    Type: Application
    Filed: December 17, 2010
    Publication date: April 21, 2011
    Applicant: DELAVAN INC.
    Inventors: Neal A. Thomson, Philip E.O. Buelow, David H. Bretz
  • Radially outward flowing air-blast fuel injector for gas turbine engine
    Patent number: 7926744
    Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: April 19, 2011
    Assignee: Delavan Inc
    Inventors: Neal A. Thomson, Philip E. O. Buelow, David H. Bretz
  • 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
  • Radially outward flowing air-blast fuel injector for gas turbine engine
    Publication number: 20090212139
    Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.
    Type: Application
    Filed: February 21, 2008
    Publication date: August 27, 2009
    Applicant: Delavan Inc
    Inventors: Neal A. Thomson, Philip E.O. Buelow, David H. Bretz