Patents by Inventor Alfred Albert Mancini

Alfred Albert Mancini 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).

  • Publication number: 20230407785
    Abstract: A fuel oxygen reduction unit for an engine is provided. The fuel oxygen reduction unit includes an inlet fuel line; a stripping gas source; a contactor selectively in fluid communication with the stripping gas source, the inlet fuel line, or both to form a fuel/gas mixture; and a separator that receives the fuel/gas mixture, the separator configured to separate the fuel/gas mixture into an outlet stripping gas flow and an outlet fuel flow; wherein a flow of stripping gas passes through the fuel oxygen reduction unit a single time.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Inventors: Ethan Patrick O'Connor, Brandon Wayne Miller, Daniel Alan Niergarth, Alfred Albert Mancini
  • Patent number: 11846026
    Abstract: A hydrocarbon fluid containment article having a wall with a surface that is wetted by hydrocarbon fluid. The surface includes an anti-coking coating. The anti-coking coating includes a copper salt, a silver salt, or a combination thereof. A gas turbine engine component including a wall having a first surface and an anti-coking coating on the first surface of the wall that is wetted by hydrocarbon fluid. The anti-coking coating including a copper salt, a silver salt, or a combination thereof that prevents the formation of gum or coke on a surface thereon. Methods for reducing the deposition of thermal decomposition products on a wall of an article are also provided.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: December 19, 2023
    Assignee: General Electric Company
    Inventors: Lawrence Bernard Kool, Bangalore Aswatha Nagaraj, Thomas George Holland, Alfred Albert Mancini, Michael Anthony Benjamin
  • Patent number: 11773776
    Abstract: A fuel oxygen reduction unit for an engine is provided. The fuel oxygen reduction unit includes an inlet fuel line; a stripping gas source; a contactor selectively in fluid communication with the stripping gas source, the inlet fuel line, or both to form a fuel/gas mixture; and a separator that receives the fuel/gas mixture, the separator configured to separate the fuel/gas mixture into an outlet stripping gas flow and an outlet fuel flow; wherein a flow of stripping gas passes through the fuel oxygen reduction unit a single time.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: October 3, 2023
    Assignee: General Electric Company
    Inventors: Ethan Patrick O'Connor, Brandon Wayne Miller, Daniel Alan Niergarth, Alfred Albert Mancini
  • Publication number: 20230287575
    Abstract: A component configured to be in contact with a hydrocarbon fluid and a method of preparing a contact surface of the component. The component may include a wall having the contact surface configured to be in contact with the hydrocarbon fluid. The contact surface is formed from a metal comprising a metal M, where M is selected from the group consisting of nickel (Ni), palladium (Pd), and platinum (Pt). A metal-ligand complex comprising phosphorus (P) is on the contact surface. The method of preparing a contact surface of the component may include treating the contact surface with a metal-ligand complex precursor comprising a phosphorus (P) ligand.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 14, 2023
    Inventors: Lawrence B. Kool, Alfred Albert Mancini, Bangalore Aswatha Nagaraj
  • Patent number: 11686003
    Abstract: A component configured to be in contact with a hydrocarbon fluid and a method of preparing a contact surface of the component. The component may include a wall having the contact surface configured to be in contact with the hydrocarbon fluid. The contact surface is formed from a metal comprising a metal M, where M is selected from the group consisting of nickel (Ni), palladium (Pd), and platinum (Pt). A metal-ligand complex comprising phosphorus (P) is on the contact surface. The method of preparing a contact surface of the component may include treating the contact surface with a metal-ligand complex precursor comprising a phosphorus (P) ligand.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: June 27, 2023
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Lawrence B. Kool, Alfred Albert Mancini, Bangalore Aswatha Nagaraj
  • Publication number: 20220389593
    Abstract: A component configured to be in contact with a hydrocarbon fluid and a method of preparing a contact surface of the component. The component may include a wall having the contact surface configured to be in contact with the hydrocarbon fluid. The contact surface is formed from a metal comprising a metal M, where M is selected from the group consisting of nickel (Ni), palladium (Pd), and platinum (Pt). A metal-ligand complex comprising phosphorus (P) is on the contact surface. The method of preparing a contact surface of the component may include treating the contact surface with a metal-ligand complex precursor comprising a phosphorus (P) ligand.
    Type: Application
    Filed: June 3, 2021
    Publication date: December 8, 2022
    Inventors: Lawrence B. Kool, Alfred Albert Mancini, Bangalore Aswatha Nagaraj
  • Publication number: 20220228247
    Abstract: A hydrocarbon fluid containment article having a wall with a surface that is wetted by hydrocarbon fluid. The surface includes an anti-coking coating. The anti-coking coating includes a copper salt, a silver salt, or a combination thereof. A gas turbine engine component including a wall having a first surface and an anti-coking coating on the first surface of the wall that is wetted by hydrocarbon fluid. The anti-coking coating including a copper salt, a silver salt, or a combination thereof that prevents the formation of gum or coke on a surface thereon. Methods for reducing the deposition of thermal decomposition products on a wall of an article are also provided.
    Type: Application
    Filed: January 15, 2021
    Publication date: July 21, 2022
    Inventors: Lawrence Bernard Kool, Bangalore Aswatha Nagaraj, Thomas George Holland, Alfred Albert Mancini, Michael Anthony Benjamin
  • Patent number: 11352960
    Abstract: In one exemplary embodiment of the present disclosure, a method of operating a fuel system for an aeronautical gas turbine engine is provided. The method includes: providing a flow of fuel to a fuel nozzle of the aeronautical gas turbine engine during a wind down condition; operating a fuel oxygen reduction unit to reduce an oxygen content of the flow of fuel provided to the fuel nozzle of the aeronautical gas turbine engine during the wind down condition; and ceasing providing the flow of fuel to the fuel nozzle of the aeronautical gas turbine engine, the fuel nozzle comprising a volume of fuel after ceasing providing the flow of fuel to the fuel nozzle; wherein operating the fuel oxygen reduction unit comprises operating the fuel oxygen reduction unit to reduce an oxygen content of the volume of fuel in the fuel nozzle to less than 20 parts per million.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: June 7, 2022
    Assignee: General Electric Company
    Inventors: Alfred Albert Mancini, Daniel Alan Niergarth, Ethan Patrick O'Connor, Brandon Wayne Miller
  • Publication number: 20210340916
    Abstract: In one exemplary embodiment of the present disclosure, a method of operating a fuel system for an aeronautical gas turbine engine is provided. The method includes: providing a flow of fuel to a fuel nozzle of the aeronautical gas turbine engine during a wind down condition; operating a fuel oxygen reduction unit to reduce an oxygen content of the flow of fuel provided to the fuel nozzle of the aeronautical gas turbine engine during the wind down condition; and ceasing providing the flow of fuel to the fuel nozzle of the aeronautical gas turbine engine, the fuel nozzle comprising a volume of fuel after ceasing providing the flow of fuel to the fuel nozzle; wherein operating the fuel oxygen reduction unit comprises operating the fuel oxygen reduction unit to reduce an oxygen content of the volume of fuel in the fuel nozzle to less than 20 parts per million.
    Type: Application
    Filed: May 1, 2020
    Publication date: November 4, 2021
    Inventors: Alfred Albert Mancini, Daniel Alan Niergarth, Ethan Patrick O'Connor, Brandon Wayne Miller
  • Publication number: 20210340907
    Abstract: A fuel oxygen reduction unit for an engine is provided. The fuel oxygen reduction unit includes an inlet fuel line; a stripping gas source; a contactor selectively in fluid communication with the stripping gas source, the inlet fuel line, or both to form a fuel/gas mixture; and a separator that receives the fuel/gas mixture, the separator configured to separate the fuel/gas mixture into an outlet stripping gas flow and an outlet fuel flow; wherein a flow of stripping gas passes through the fuel oxygen reduction unit a single time.
    Type: Application
    Filed: May 1, 2020
    Publication date: November 4, 2021
    Inventors: Ethan Patrick O'Connor, Brandon Wayne Miller, Daniel Alan Niergarth, Alfred Albert Mancini
  • Patent number: 11092084
    Abstract: A gas turbine engine includes a combustion section, the combustion section including a plurality of fuel nozzles. A fuel delivery system for the gas turbine engine includes a feed tube and a fuel manifold fluidly connected to the feed tube for receiving fuel from the feed tube. The fuel delivery system also includes a pigtail fuel line fluidly connected to the fuel manifold and configured to fluidly connect to a fuel nozzle of the plurality of fuel nozzles when the fuel delivery system is installed in the gas turbine engine. In order to reduce an amount of hydraulic instability of a fuel flow through the fuel delivery system, at least one of the fuel manifold or the pigtail fuel line includes a means for damping a hydraulic instability within the fuel delivery system.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: August 17, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Kwanwoo Kim, Raymond Floyd Martell, Alfred Albert Mancini, Clayton S. Cooper
  • Patent number: 10775048
    Abstract: A fuel nozzle for a gas turbine engine includes an outer body extending generally along a centerline axis and defining a plurality of openings in an exterior surface. The fuel nozzle additionally includes a main injection ring disposed at least partially inside the outer body, the main injection ring including a fuel post extending into or through one of the plurality of openings of the outer body. The fuel post defines a spray well and a main fuel orifice, the spray well defining a bottom surface, a side wall, and a taper in the bottom surface extending from the main fuel orifice towards the side wall.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: September 15, 2020
    Assignee: General Electric Company
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen
  • Patent number: 10760793
    Abstract: The present disclosure is directed to a fuel nozzle assembly for a gas turbine engine. The fuel nozzle assembly includes a centerbody extended along a nozzle centerline axis and generally concentric thereto and an outer sleeve surrounding the centerbody and extended along the nozzle centerline axis and generally concentric thereto. The centerbody defines an outer wall extended at least partially along the nozzle centerline axis in which the centerbody defines a first fuel passage therewithin and one or more first fuel exit openings through the outer wall. Each first fuel exit opening is discrete from another along the outer wall. The outer sleeve and centerbody together define a first air passage therebetween. The first fuel passage and the first fuel exit opening are in fluid communication with the first air passage.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 1, 2020
    Assignee: General Electric Company
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen, Michael Anthony Benjamin
  • Patent number: 10739006
    Abstract: A fuel nozzle for a gas turbine engine includes an outer body defining a plurality of openings in an exterior surface. The fuel nozzle also includes a main injection ring disposed at least partially inside the outer body. The main injection ring includes a plurality of fuel posts extending into or through the plurality of openings of the outer body. The plurality of fuel posts include an LP fuel post defining a main fuel orifice, a top surface, and a scarf, the scarf of the LP fuel post extending in the top surface in a first direction relative to the centerline axis away from the main fuel orifice. The plurality of fuel posts also include an HP fuel post defining a main fuel orifice, a top surface, and a scarf, the scarf of the HP fuel post extending in the top surface f in a second direction relative to the centerline axis away from the main fuel orifice, the second direction being at least ninety degrees different than the first direction.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: August 11, 2020
    Assignee: General Electric Company
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen, Michael Anthony Benjamin
  • Publication number: 20190024899
    Abstract: The present disclosure is directed to a fuel nozzle assembly for a gas turbine engine. The fuel nozzle assembly includes a centerbody extended along a nozzle centerline axis and generally concentric thereto and an outer sleeve surrounding the centerbody and extended along the nozzle centerline axis and generally concentric thereto. The centerbody defines an outer wall extended at least partially along the nozzle centerline axis in which the centerbody defines a first fuel passage therewithin and one or more first fuel exit openings through the outer wall. Each first fuel exit opening is discrete from another along the outer wall. The outer sleeve and centerbody together define a first air passage therebetween. The first fuel passage and the first fuel exit opening are in fluid communication with the first air passage.
    Type: Application
    Filed: July 21, 2017
    Publication date: January 24, 2019
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen, Michael Anthony Benjamin
  • Patent number: 10184665
    Abstract: A fuel nozzle is provided for a gas turbine engine, and can include a pilot fuel injector having an axially-elongated, inner pilot centerbody wall and an outer pilot centerbody wall, with the axially-elongated, inner pilot centerbody wall extending from an upstream end to an annular fuel passage defining the downstream end of the pilot fuel injector. The fuel passage intersects with the inner pilot centerbody wall at a pilot fuel metering orifice. The fuel nozzle also includes a pilot fuel film surface downstream from the annular fuel passage and an annular splitter surrounding the pilot fuel injector. The annular splitter comprises, in axial sequence: an upstream section, a splitter throat having a diameter that is larger than a downstream diameter defined by the pilot fuel film surface, and a downstream diverging surface having an average diverging angle of about 24° to about 40° in relation to a centerline axis.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: January 22, 2019
    Assignee: General Electric Company
    Inventors: Michael Anthony Benjamin, Alfred Albert Mancini, Rameshkumar Muthuvel Chandrasekaran
  • Publication number: 20180266692
    Abstract: A fuel nozzle for a gas turbine engine includes an outer body defining a plurality of openings in an exterior surface. The fuel nozzle also includes a main injection ring disposed at least partially inside the outer body. The main injection ring includes a plurality of fuel posts extending into or through the plurality of openings of the outer body. The plurality of fuel posts include an LP fuel post defining a main fuel orifice, a top surface, and a scarf, the scarf of the LP fuel post extending in the top surface in a first direction relative to the centerline axis away from the main fuel orifice. The plurality of fuel posts also include an HP fuel post defining a main fuel orifice, a top surface, and a scarf, the scarf of the HP fuel post extending in the top surface fin a second direction relative to the centerline axis away from the main fuel orifice, the second direction being at least ninety degrees different than the first direction.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 20, 2018
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen, Michael Anthony Benjamin
  • Publication number: 20180266693
    Abstract: A fuel nozzle for a gas turbine engine includes an outer body extending generally along a centerline axis and defining a plurality of openings in an exterior surface. The fuel nozzle additionally includes a main injection ring disposed at least partially inside the outer body, the main injection ring including a fuel post extending into or through one of the plurality of openings of the outer body. The fuel post defines a spray well and a main fuel orifice, the spray well defining a bottom surface, a side wall, and a taper in the bottom surface extending from the main fuel orifice towards the side wall.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 20, 2018
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen
  • Patent number: 10012387
    Abstract: In one aspect, a fuel supply system may include a fuel injector having a primary and a secondary pilot fuel nozzle in fluid communication with a primary and a secondary fuel circuit, respectively, and a main fuel nozzle in fluid communication with a main fuel circuit. The fuel injector may also define a by-pass fuel circuit connected between the primary circuit and the secondary circuit and/or the main circuit. The system may also include a primary fuel manifold configured to be fluidly connected to the primary pilot fuel nozzle via the primary fuel circuit. Moreover, the system may include a by-pass valve provided in operative association with the by-pass fuel circuit. The by-pass valve may be configured to be opened such that a portion of the fuel flowing through the primary circuit from the primary fuel manifold is directed to the secondary circuit and/or the main circuit.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: July 3, 2018
    Assignee: General Electric Company
    Inventors: Nayan Vinodbhai Patel, Alfred Albert Mancini, Duane Douglas Thomsen
  • Patent number: 9927126
    Abstract: A pilot fuel injector is provided for a fuel nozzle of a gas turbine engine. The pilot fuel injector can include an axially-elongated, inner pilot centerbody wall extending from an upstream end to a downstream end, with the axially-elongated, inner pilot centerbody wall having a diverging-converging orientation with respect to a centerline axis to define a hollow tube having an upstream diameter, a throat, and a downstream diameter such that the throat has an inner diameter that is less than both of the upstream diameter and the downstream diameter. The pilot fuel injector also includes a center air circuit positioned at the upstream end, and an annular fuel passage defining the downstream end and intersecting with the centerbody wall at a pilot fuel metering orifice. A pilot fuel film surface is downstream from the annular fuel passage.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: March 27, 2018
    Assignee: General Electric Company
    Inventors: Michael Anthony Benjamin, Alfred Albert Mancini, Rameshkumar Muthuvel Chandrasekaran