Patents by Inventor Lucas John Stoia
Lucas John Stoia 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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Publication number: 20140123660Abstract: A system includes a turbine combustor, which includes a first wall disposed about a combustion chamber, a second wall disposed about the first wall, and a third wall disposed about the second wall. The third wall is configured to combine an exhaust gas with an oxidant and the combustion chamber is configured to combust a mixture of a fuel, the oxidant, and the exhaust gas.Type: ApplicationFiled: October 30, 2013Publication date: May 8, 2014Applicants: ExxonMobil Upstream Research Company, General Electric CompanyInventors: Lucas John Stoia, Richard Martin DiCintio, Patrick Benedict Melton, Bryan Wesley Romig, Ilya Aleksandrovich Slobodyanskiy
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Publication number: 20140116053Abstract: An assembly for use in a fuel injection system within a combustor of a combustion turbine engine is described. The assembly may include: a first port formed through an outer radial wall of the combustor and a second port formed through an inner radial wall. A plenum may be formed about the first port. A tube may be formed that has a first end positioned within the first port and a second end positioned within the second port. At the first end, the tube may be sized smaller than the first port such that two passages are defined therethrough: a first passage defined about an exterior of the tube; and a second passage defined through an interior of the tube.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: General Electric CompanyInventors: Wei Chen, Lucas John Stoia, Richard Martin DiCintio
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Publication number: 20140116066Abstract: A combustor generally includes a shroud that that defines at least one inlet passage extends circumferentially inside the combustor. A first plate extends radially inside the shroud downstream from the inlet passage. The first plate defines at least one inlet port, at least one outlet port and at least partially defines at least one fuel nozzle passage. The shroud at least partially surrounds a sleeve that extends around the fuel nozzle passage. A tube at least partially surrounded by the sleeve may extend through the fuel nozzle passage. The tube, the sleeve, and the first plate may at least partially define an outlet passage. A first fluid flow path generally extends from the at inlet passage to the inlet port, and a second fluid flow path extends generally from the outlet port to the outlet passage.Type: ApplicationFiled: October 30, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, Bryan Wesley Romig, Lucas John Stoia
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Publication number: 20140116060Abstract: A combustor includes a first shroud extending circumferentially inside the combustor and at least partially defining an inlet passage. A second shroud extends circumferentially inside the combustor. The second shroud defines an outlet passage. A first plate extends radially inside the second shroud downstream from the inlet passage of the first shroud and upstream from the outlet passage of the second shroud. The first plate generally defines an inlet port and an outlet port. A second plate extends radially around the first plate downstream from the inlet port and upstream from the outlet port of the first plate. A first fluid flow path extends from the inlet passage to the inlet port. A second fluid flow path extends from the outlet port to the outlet passage. A baffle extends from the first shroud to the first plate. The baffle separates the first and second fluid flow paths.Type: ApplicationFiled: October 30, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, Bryan Wesley Romig, Lucas John Stoia
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Patent number: 8677753Abstract: A system for supplying a working fluid to a combustor includes a fuel nozzle, a combustion chamber downstream from the fuel nozzle, and a flow sleeve that circumferentially surrounds the combustion chamber. A plurality of fuel injectors are circumferentially arranged around the flow sleeve to provide fluid communication through the flow sleeve to the combustion chamber. A distribution manifold circumferentially surrounds the plurality of fuel injectors, and a fluid passage through the flow sleeve and into the distribution manifold provides fluid communication through the flow sleeve to the plurality of fuel injectors.Type: GrantFiled: May 8, 2012Date of Patent: March 25, 2014Assignee: General Electric CompanyInventors: Patrick Benedict Melton, John Charles Intile, Lucas John Stoia
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Publication number: 20140069103Abstract: A seal assembly for use between an injector and a combustion chamber in a gas turbine. A liner at least partially defines the combustion chamber, and the liner has at least one tubular liner collar, through which an injector is inserted. In one embodiment, the liner collar has a partially convex outer diameter and a floating collar is positioned at least partially around the liner collar. The floating collar has a retention member having a first end fixed to the floating collar and a second end configured to abut the convex outer diameter of liner collar, wherein the retention member maintains the floating collar at a radial distance from the injector less than a radial distance between the liner collar and the injector.Type: ApplicationFiled: September 13, 2012Publication date: March 13, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Christopher Paul Willis, Richard Martin DiCintio, Lucas John Stoia
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Publication number: 20140060078Abstract: A combustor includes a breech end, a plurality of fuel nozzles connected to the breech end and extending downstream from the breech end, and a shroud that circumferentially surrounds the plurality of fuel nozzles inside the combustor. A support extends radially inside at least a portion of the shroud. A leaf spring is between the support and one or more of the plurality of fuel nozzles, wherein each leaf spring includes at least three leaves.Type: ApplicationFiled: August 31, 2012Publication date: March 6, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Lucas John Stoia, Patrick Benedict Melton
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Publication number: 20140060077Abstract: A combustor includes a breech end, a fuel nozzle connected to the breech end and extending downstream from the breech end, and a shroud that circumferentially surrounds the fuel nozzle inside the combustor. A support extends radially inside at least a portion of the shroud, and a flexible coupling is between the support and the fuel nozzle. An adjustable tensioner is configured to engage with the flexible coupling and constrain longitudinal extension of the flexible coupling.Type: ApplicationFiled: August 31, 2012Publication date: March 6, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, Lucas John Stoia, William Michael Poschel
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Patent number: 8662502Abstract: The present application provides a method of mounting lip seals within a sleeve assembly of a fuel nozzle. The method may include the steps of sliding a first lip seal along a second diameter tube until the first lip seal contacts a first tube flange of a first diameter tube, sliding a seal spacer along the second diameter tube until the seal spacer contacts the first lip seal, and sliding a second lip seal along the second diameter tube until the second lip seal contacts the seal spacer.Type: GrantFiled: October 16, 2009Date of Patent: March 4, 2014Assignee: General Electric CompanyInventors: Lucas John Stoia, Karthik Subramanian
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Patent number: 8661823Abstract: A fuel nozzle for a gas turbine includes a fuel nozzle body or endcover. The fuel nozzle body or endcover includes at least one seal surface. The fuel nozzle also includes at least one flexible hose and at least one flange connected to the flexible hose. The at least one flange is fastened to the fuel nozzle body at the at least one seal surface.Type: GrantFiled: January 5, 2010Date of Patent: March 4, 2014Assignee: General Electric CompanyInventors: Lucas John Stoia, Keith Cletus Belsom, Seth Reynolds Hoffman
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Publication number: 20140033721Abstract: A fuel nozzle assembly for use with a turbine engine is provided. The fuel nozzle assembly includes a tube that is configured to channel at least a first type of fuel through the turbine engine. A flow member includes a first end portion and a second end portion that is removably coupled to the tube such that the flow member is severally removable from the tube to enable a plurality of different types of fuel to be channeled through the turbine engine for operation of the turbine engine.Type: ApplicationFiled: August 3, 2012Publication date: February 6, 2014Inventors: Elias Marquez, Lucas John Stoia, Oscar Flores
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Publication number: 20140033724Abstract: A fuel nozzle assembly for use with a turbine engine is provided. The fuel nozzle assembly includes a tube assembly that includes a plurality of openings, wherein the tube assembly is configured to channel at least a first type of fuel through the turbine engine. A plurality of fasteners are removably coupled to the tube assembly such that each of the fasteners are severally removable from the tube assembly to enable a plurality of different types of fuel to be channeled through the turbine engine for operation of the turbine engine.Type: ApplicationFiled: August 3, 2012Publication date: February 6, 2014Inventors: Elias Marquez, Lucas John Stoia, Oscar Flores
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Publication number: 20140013755Abstract: A combustor includes a breech end, a plurality of fuel nozzles connected to the breech end and extending downstream from the breech end; and a shroud that circumferentially surrounds the plurality of fuel nozzles inside the combustor. A support extends radially inside at least a portion of the shroud, and a lip seal is between the support and at least one of the plurality of fuel nozzles.Type: ApplicationFiled: July 10, 2012Publication date: January 16, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: William Michael Poschel, Patrick Benedict Melton, Lucas John Stoia
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Publication number: 20140013723Abstract: A fuel supply system for a gas turbine includes a combustion section, a transition duct downstream from the combustion section, a turbine section downstream from the transition duct, and a first stage of stationary vanes circumferentially arranged inside the turbine section. A hot gas path is between the transition duct and the stationary vanes, and a fuel injector provides fluid communication into the hot gas path. A method of supplying fuel to a gas turbine includes combusting a first fuel in a combustion chamber to produce combustion gases, flowing the combustion gases through a transition duct to a hot gas path, and flowing the combustion gases through the hot gas path to a first stage of stationary vanes in a turbine section. The method further includes injecting a second fuel into the hot gas path downstream from the transition duct and upstream from the first stage of stationary vanes.Type: ApplicationFiled: July 10, 2012Publication date: January 16, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, Bryan Wesley Romig, Lucas John Stoia, Thomas Edward Johnson
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Publication number: 20140014792Abstract: A fastener assembly configured for use within an opening defined in a transition piece bracket is disclosed. The fastener assembly may generally include a fastener having a head configured to be positioned proximal to a first end of the opening and a body. The body may include a shank portion, a threaded portion opposite the shank portion and a recessed portion defined between the shank portion and the threaded portion. The fastener assembly may also include a retention member configured to be positioned within the opening adjacent the recessed portion such that the retention member engages at least one of the shank portion or the threaded portion as the fastener is moved within the opening. In addition, the fastener assembly may include a biasing member engaged against the retention member. The biasing member may be configured to bias the head of the fastener away from the first end of the opening.Type: ApplicationFiled: July 13, 2012Publication date: January 16, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Christopher Paul Willis, Patrick Benedict Melton, Lucas John Stoia, Richard Martin DiCintio, David William Cihlar
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Publication number: 20140013756Abstract: A combustor includes an upstream surface that extends radially across at least a portion of the combustor, a downstream surface that extends radially across at least a portion of the combustor and is axially separated from the upstream surface, and a plurality of tubes that extend through the downstream surface. A resonator is upstream from at least one of the tubes, and a fluid passage extends through the resonator and into the least one tube.Type: ApplicationFiled: July 10, 2012Publication date: January 16, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, Keith Cletus Belsom, Lucas John Stoia
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TURBOMACHINE COMBUSTOR NOZZLE INCLUDING A MONOLITHIC NOZZLE COMPONENT AND METHOD OF FORMING THE SAME
Publication number: 20130318975Abstract: A turbomachine combustor nozzle includes a monolithic nozzle component having a plate element and a plurality of nozzle elements. Each of the plurality of nozzle elements includes a first end extending from the plate element to a second end. The plate element and plurality of nozzle elements are formed as a unitary component. A plate member is joined with the nozzle component. The plate member includes an outer edge that defines first and second surfaces and a plurality of openings extending between the first and second surfaces. The plurality of openings are configured and disposed to register with and receive the second end of corresponding ones of the plurality of nozzle elements.Type: ApplicationFiled: May 29, 2012Publication date: December 5, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Lucas John Stoia, Patrick Benedict Melton, Thomas Edward Johnson, Christian Xavier Stevenson, John Drake Vanselow, James Harold Westmoreland -
Publication number: 20130318976Abstract: A turbomachine combustor nozzle includes a first plate member having a first plurality of openings, and a second plate member having a second plurality of openings that are configured and disposed to be in alignment with the first plurality of openings. A plurality of nozzle members extends through corresponding ones of the first plurality of openings and the second plurality of openings. Each of the plurality of nozzle members includes a solid core.Type: ApplicationFiled: May 29, 2012Publication date: December 5, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, Lucas John Stoia, James Harold Westmoreland
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Publication number: 20130318991Abstract: A combustion system including a combustor; a combustor liner disposed within the combustor is provided. At least one primary fuel nozzle is provided to provide fuel to a primary combustion zone disposed proximate to the upstream end of the combustor liner. A transition duct is coupled to the downstream end of the combustor liner. A secondary nozzle assembly is disposed proximate to the downstream end of the combustor to provide fuel to a secondary combustion zone at locations predetermined to reduce peak thermal loads on the surface area of the transition duct.Type: ApplicationFiled: May 31, 2012Publication date: December 5, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Richard Martin DiCintio, Wei Chen, Patrick Benedict Melton, Lucas John Stoia, Mark Allan Hadley
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Publication number: 20130298560Abstract: A system for supplying a working fluid to a combustor includes a fuel nozzle, a combustion chamber downstream from the fuel nozzle, and a flow sleeve that circumferentially surrounds the combustion chamber. A plurality of fuel injectors are circumferentially arranged around the flow sleeve to provide fluid communication through the flow sleeve to the combustion chamber. A distribution manifold circumferentially surrounds the plurality of fuel injectors, and a fluid passage through the flow sleeve and into the distribution manifold provides fluid communication through the flow sleeve to the plurality of fuel injectors.Type: ApplicationFiled: May 8, 2012Publication date: November 14, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Patrick Benedict Melton, John Charles Intile, Lucas John Stoia