Patents by Inventor Donald Mark Bailey
Donald Mark Bailey 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).
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Patent number: 10788215Abstract: A fuel nozzle assembly includes a flange body. The flange body includes a base portion that defines an aperture. The flange body is connected to a conduit. The flange body and the conduit define a fuel flow passage to a fuel plenum of the fuel nozzle assembly. The fuel nozzle assembly further includes an insert that is partially disposed within the aperture of the base portion. The insert includes an orifice disposed within the aperture of the base portion and a forward portion of the insert extends axially outwardly from the aperture. The orifice is in fluid communication with the fuel flow passage.Type: GrantFiled: December 21, 2016Date of Patent: September 29, 2020Assignee: General Electric CompanyInventors: Donald Mark Bailey, Lucas John Stoia
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Patent number: 10690057Abstract: The present disclosure is directed to an end cover assembly for a combustor of a turbomachine. The end cover assembly includes an end cover and a bundled tube fuel nozzle assembly positioned downstream from the end cover. The bundled tube fuel nozzle assembly includes a plurality of fuel nozzle tubes. A flame detector sight tube couples to the end cover. The flame detector sight tube is aligned with one of the fuel nozzle tubes.Type: GrantFiled: April 25, 2017Date of Patent: June 23, 2020Assignee: General Electric CompanyInventors: Donald Mark Bailey, Mark William Pinson, Lucas John Stoia
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Patent number: 10669942Abstract: An endcover assembly for a combustor includes an endcover and a fuel nozzle rigidly connected to the endcover. The fuel nozzle includes a plurality of tubes that extends axially through a first plate, a fuel plenum and a second plate where each tube includes an inlet defined upstream of the first plate and an outlet disposed downstream from the second plate. The endcover assembly further includes an inlet flow conditioner having a forward end connected to the endcover and an aft end axially spaced from the forward end. The inlet flow conditioner circumferentially surrounds at least a portion of the fuel nozzle. A support plate is joined to the aft end of the inlet flow conditioner. Each tube of the fuel nozzle extends through a corresponding tube hole defined by the support plate. The fuel nozzle is connected to the support plate.Type: GrantFiled: February 23, 2017Date of Patent: June 2, 2020Assignee: General Electric CompanyInventors: Lucas John Stoia, Donald Mark Bailey, Elizabeth Leigh Exley, Heath Michael Ostebee, Timothy James Purcell
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Patent number: 10655858Abstract: The present disclosure provides assemblies for cooling a liquid fuel cartridge unit within a combustor head end. In one embodiment, the cooling is accomplished passively as air from the head end air plenum is directed into a cooling channel radially outward of a liquid fuel delivery conduit. In another embodiment, the cooling of the liquid fuel cartridge unit is accomplished actively as air is directed through a first air flow conduit radially inward of the liquid fuel delivery conduit and then redirected through a second air flow conduit radially outward of the liquid fuel delivery conduit.Type: GrantFiled: June 16, 2017Date of Patent: May 19, 2020Assignee: General Electric CompanyInventors: Donald Mark Bailey, Lucas John Stoia, Timothy James Purcell
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Patent number: 10634344Abstract: A fuel nozzle assembly includes a flange body including a stem. The flange body defines a flow passage therethrough. The fuel nozzle assembly further includes a conduit assembly having an inner tube that is disposed within an outer tube. A purge passage is defined radially between the inner tube and the outer tube and a fuel passage is defined within the inner tube. The outer tube and the inner tube are connected to the stem with the inner tube being connected to the stem via a flexible coupling disposed within the purge passage. The purge passage is in fluid communication with an inlet flow plenum and with a plurality of premix tubes of the fuel nozzle assembly.Type: GrantFiled: December 20, 2016Date of Patent: April 28, 2020Assignee: General Electric CompanyInventors: Donald Mark Bailey, Lucas John Stoia
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Publication number: 20190217429Abstract: The present application thus provides a method of filling an existing hole in a surface of a turbine component. The method may include the steps of enlarging the existing hole, placing a rivet into the enlarged hole, welding the rivet into place, and grinding the rivet to be flush with the surface of the turbine component.Type: ApplicationFiled: January 16, 2018Publication date: July 18, 2019Inventors: Christopher Carl Conrad, Loaie Adel Attia, Gary Charles Shubert, Donald Mark Bailey
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Publication number: 20180363906Abstract: The present disclosure provides assemblies for cooling a liquid fuel cartridge unit within a combustor head end. In one embodiment, the cooling is accomplished passively as air from the head end air plenum is directed into a cooling channel radially outward of a liquid fuel delivery conduit. In another embodiment, the cooling of the liquid fuel cartridge unit is accomplished actively as air is directed through a first air flow conduit radially inward of the liquid fuel delivery conduit and then redirected through a second air flow conduit radially outward of the liquid fuel delivery conduit.Type: ApplicationFiled: June 16, 2017Publication date: December 20, 2018Applicant: General Electric CompanyInventors: Donald Mark Bailey, Lucas John Stoia, Timothy James Purcell
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Patent number: 10145561Abstract: A bundled tube fuel nozzle assembly including a fuel plenum and an air plenum. A plurality of mixing tubes extend through the fuel plenum and the air plenum. At least one resonator is positioned in the air plenum surrounding at least one of the plurality of mixing tubes.Type: GrantFiled: September 6, 2016Date of Patent: December 4, 2018Assignee: General Electric CompanyInventors: Lucas John Stoia, Donald Mark Bailey, Sven Georg Bethke, Mohan Krishna Bobba
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Publication number: 20180306118Abstract: The present disclosure is directed to an end cover assembly for a combustor of a turbomachine. The end cover assembly includes an end cover and a bundled tube fuel nozzle assembly positioned downstream from the end cover. The bundled tube fuel nozzle assembly includes a plurality of fuel nozzle tubes. A flame detector sight tube couples to the end cover. The flame detector sight tube is aligned with one of the fuel nozzle tubes.Type: ApplicationFiled: April 25, 2017Publication date: October 25, 2018Inventors: Donald Mark Bailey, Mark William Pinson, Lucas John Stoia
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Publication number: 20180238239Abstract: An endcover assembly for a combustor includes an endcover and a fuel nozzle rigidly connected to the endcover. The fuel nozzle includes a plurality of tubes that extends axially through a first plate, a fuel plenum and a second plate where each tube includes an inlet defined upstream of the first plate and an outlet disposed downstream from the second plate. The endcover assembly further includes an inlet flow conditioner having a forward end connected to the endcover and an aft end axially spaced from the forward end. The inlet flow conditioner circumferentially surrounds at least a portion of the fuel nozzle. A support plate is joined to the aft end of the inlet flow conditioner. Each tube of the fuel nozzle extends through a corresponding tube hole defined by the support plate. The fuel nozzle is connected to the support plate.Type: ApplicationFiled: February 23, 2017Publication date: August 23, 2018Inventors: Lucas John Stoia, Donald Mark Bailey, Elizabeth Leigh Exley, Heath Michael Ostebee, Timothy James Purcell
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Publication number: 20180209647Abstract: A fuel nozzle assembly includes a flange body including a stem. The flange body defines a flow passage therethrough. The fuel nozzle assembly further includes a conduit assembly having an inner tube that is disposed within an outer tube. A purge passage is defined radially between the inner tube and the outer tube and a fuel passage is defined within the inner tube. The outer tube and the inner tube are connected to the stem with the inner tube being connected to the stem via a flexible coupling disposed within the purge passage. The purge passage is in fluid communication with an inlet flow plenum and with a plurality of premix tubes of the fuel nozzle assembly.Type: ApplicationFiled: December 20, 2016Publication date: July 26, 2018Inventors: Donald Mark Bailey, Lucas John Stoia
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Publication number: 20180172276Abstract: A fuel nozzle assembly includes a flange body. The flange body includes a base portion that defines an aperture. The flange body is connected to a conduit. The flange body and the conduit define a fuel flow passage to a fuel plenum of the fuel nozzle assembly. The fuel nozzle assembly further includes an insert that is partially disposed within the aperture of the base portion. The insert includes an orifice disposed within the aperture of the base portion and a forward portion of the insert extends axially outwardly from the aperture. The orifice is in fluid communication with the fuel flow passage.Type: ApplicationFiled: December 21, 2016Publication date: June 21, 2018Inventors: Donald Mark Bailey, Lucas John Stoia
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Publication number: 20180163968Abstract: A combustor includes an inlet flow conditioner having a sleeve and a conditioner plate. The conditioner plate defines a plurality of apertures. The sleeve extends axially from the conditioner plate to a forward plate of a nozzle segment. The sleeve, the conditioner plate and the forward plate define an inlet flow plenum. The inlet flow plenum is in fluid communication with an inlet of a tube that defines a premix passage of the nozzle segment.Type: ApplicationFiled: December 14, 2016Publication date: June 14, 2018Inventors: Donald Mark Bailey, David William Cihlar, Lucas John Stoia
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Publication number: 20180066847Abstract: A bundled tube fuel nozzle assembly including a fuel plenum and an air plenum. A plurality of mixing tubes extend through the fuel plenum and the air plenum. At least one resonator is positioned in the air plenum surrounding at least one of the plurality of mixing tubes.Type: ApplicationFiled: September 6, 2016Publication date: March 8, 2018Inventors: Lucas John Stoia, Donald Mark Bailey, Sven Georg Bethke, Mohan Krishna Bobba
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Publication number: 20160281992Abstract: The present application provides a combustor. The combustor includes a unibody liner with a transition piece, a fuel injection portion, and a fuel injection opening. A fuel injection boss may be positioned within the fuel injection opening. The fuel injection boss may be manufactured in a direct metal laser melting process.Type: ApplicationFiled: March 24, 2015Publication date: September 29, 2016Inventors: RICHARD MARTIN DICINTIO, DONALD MARK BAILEY, RONNIE RAY PENTECOST, JAYAPRAKASH NATARAJAN
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Patent number: 9200571Abstract: A fuel nozzle assembly for a gas turbine engine includes a flange and a pre-mix tube. The flange includes a first end that is configured to couple to an end cover of the combustor, and a second end that is opposite said first end. The pre-mix tube is coupled at a first end to the flange second end. The flange and the pre-mix tube are fabricated to operate at a natural frequency that is different from an operating frequency of the gas turbine engine.Type: GrantFiled: July 7, 2009Date of Patent: December 1, 2015Assignee: General Electric CompanyInventors: Donald Mark Bailey, Scott R. Simmons, Marcus B. Huffman
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Patent number: 9188340Abstract: An endcover for a turbine combustor adapted to support one or more combustor nozzles, includes a plate having one side which in use, faces a combustion chamber and an opposite side which, in use, faces away from the combustion chamber. At least one fuel cavity is formed in the plate; and a fuel restrictor insert is formed with at least one flow orifice located within the fuel cavity for supplying fuel to at least one combustor nozzle. The fuel restrictor insert is adjustable along a length dimension of the fuel cavity.Type: GrantFiled: November 18, 2011Date of Patent: November 17, 2015Assignee: General Electric CompanyInventors: Donald Mark Bailey, Abdul Rafey Khan
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Patent number: 9157635Abstract: A fuel distribution manifold comprises an outer shell having an inner surface. The outer shell defines an inlet for receiving fuel from a parent supply line, a base opposite the inlet, a central manifold axis that intersects the inlet, and a plurality of outlets for delivering fuel to offspring fuel lines, each outlet defining a respective outlet axis. In one exemplary embodiment, a fuel distribution manifold also comprises a center-body having an outer surface and being positioned within the outer shell wherein the outer surface of the center-body and the inner surface of the outer shell define a flow-path through which fluid flows from the inlet to the plurality of outlets. In another exemplary embodiment, at least one of the outlets is positioned adjacent to the base and oriented so that its respective outlet axis is rotated relatively to a radial direction that intersects the central manifold axis.Type: GrantFiled: January 3, 2012Date of Patent: October 13, 2015Assignee: General Electric CompanyInventors: Donald Mark Bailey, Gregory Allen Boardman, William Thomas Ross
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Patent number: 9052113Abstract: A combustor nozzle includes a downstream surface having an axial centerline. A plurality of passages through the downstream surface provide fluid communication through the downstream surface, and a downstream section of each passage has at least one of a frusto-conical or frusto-spherical shape. A method for modifying a combustor nozzle includes machining a downstream side of a body to remove a recast surface in a plurality of passages that provide fluid communication through the body. The method may further include machining a downstream section in each passage to form at least one of a frusto-conical or frusto-spherical surface in each passage proximate to the downstream side of the body.Type: GrantFiled: June 6, 2011Date of Patent: June 9, 2015Assignee: General Electric CompanyInventors: Scott Robert Simmons, Patrick Benedict Melton, Russell DeForest, Donald Mark Bailey
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Patent number: 8991188Abstract: A cooling circuit for a fuel nozzle in a gas turbine includes an end cap cavity receiving passive purge flow from a compressor of the turbine, and fuel nozzle swozzles disposed in a swozzle shroud that impart swirl to incoming fuel and air. Purge slots are formed in the swozzle shroud and through the fuel nozzle swozzles in fluid communication with the end cap cavity. The purge slots are positioned upstream of a quat fuel injection passage, and the passive purge flow enters fuel nozzle tip cavities of the fuel nozzle to provide tip cooling and tip purge volume without mixing the passive purge flow with quat fuel.Type: GrantFiled: January 5, 2011Date of Patent: March 31, 2015Assignee: General Electric CompanyInventors: Donald Mark Bailey, Robert Rohrssen