Patents by Inventor Jeffrey Michael Martini
Jeffrey Michael Martini 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: 11156361Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine. The fuel injector includes an end wall, a centerbody, an outer sleeve surrounding the centerbody from the end wall toward the downstream end of the fuel injector, and a thermal management conduit. The centerbody includes an axially extended outer wall and inner wall extended from the end wall toward a downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage. The outer sleeve defines a plurality of radially oriented first air inlet ports in circumferential arrangement at a first axial portion of the outer sleeve.Type: GrantFiled: July 19, 2019Date of Patent: October 26, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini, Clayton S. Cooper
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Patent number: 11067280Abstract: The present disclosure is directed to a method for operating a turbine engine, the method including arranging a fluid conduit through a fuel nozzle in a first direction toward a downstream end and in a second direction toward an upstream end, the fluid conduit in fluid communication with a premix passage via a fluid injection port; flowing an oxidizer into the premix passage via a radially oriented first inlet port and a radially oriented second inlet port; flowing a first fuel to the premix passage through the fluid conduit and the fluid injection port, wherein the first fuel is provided to the premix passage axially downstream of the first inlet port; and generating a premixed flame from a mixture of the oxidizer and the first fuel.Type: GrantFiled: April 5, 2019Date of Patent: July 20, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini
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Patent number: 10808934Abstract: A fuel injector for a gas turbine engine including an outer sleeve. An upstream end of the outer sleeve defines an inlet opening and a downstream end defines an exit opening, each of which defined within the outer sleeve. The outer sleeve defines a radial opening extended therethrough along the radial direction. At least a portion of the outer sleeve defines a plurality of grooves. The outer sleeve defines a fuel conduit through at least a portion of the outer sleeve outward of the plurality of grooves along the radial direction from the fuel injector centerline. The fuel conduit defines a fuel injection opening inward along the radial direction of the radial opening defined through the outer sleeve. A first member of an arm is coupled to the outer sleeve. A second member of the arm is contoured defining a fuel injection port generally concentric to the fuel injector centerline.Type: GrantFiled: January 9, 2018Date of Patent: October 20, 2020Assignee: General Electric CompanyInventors: Gregory Allen Boardman, Jeffrey Michael Martini, Michael Anthony Benjamin, Pradeep Naik
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Publication number: 20200025385Abstract: The present disclosure is directed to a method for operating a turbine engine, the method including arranging a fluid conduit through a fuel nozzle in a first direction toward a downstream end and in a second direction toward an upstream end, the fluid conduit in fluid communication with a premix passage via a fluid injection port; flowing an oxidizer into the premix passage via a radially oriented first inlet port and a radially oriented second inlet port; flowing a first fuel to the premix passage through the fluid conduit and the fluid injection port, wherein the first fuel is provided to the premix passage axially downstream of the first inlet port; and generating a premixed flame from a mixture of the oxidizer and the first fuel.Type: ApplicationFiled: April 5, 2019Publication date: January 23, 2020Inventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini
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Publication number: 20190346141Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine. The fuel injector includes an end wall, a centerbody, an outer sleeve surrounding the centerbody from the end wall toward the downstream end of the fuel injector, and a thermal management conduit. The centerbody includes an axially extended outer wall and inner wall extended from the end wall toward a downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage. The outer sleeve defines a plurality of radially oriented first air inlet ports in circumferential arrangement at a first axial portion of the outer sleeve.Type: ApplicationFiled: July 19, 2019Publication date: November 14, 2019Inventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini, Clayton S. Cooper
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Patent number: 10465907Abstract: A system including an annular combustor having a first liner wall disposed circumferentially about an axis, a combustion chamber disposed circumferentially about the first liner wall, and a second liner wall disposed circumferentially about the combustion chamber. The annular combustor is configured to direct a combustion gas flow in a downstream direction through the combustion chamber away from a head end toward a turbine. The system also includes a supply passage configured to supply a fluid flow from a compressor to the combustion chamber. The supply passage has a flow path architecture having a turning portion that turns the fluid flow from a compressor discharge direction to an upstream direction generally opposite the downstream direction of combustion gas flow.Type: GrantFiled: September 9, 2015Date of Patent: November 5, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Nan Zong, Ahmed Mostafa ELKady, Mark Anthony Mueller, Pradeep Naik, Gerardo Antonio Salazar Lois, Rishikesh Prakash Karande, Jeffrey Michael Martini
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Patent number: 10458655Abstract: A system includes a fuel nozzle including a first wall disposed about a central axis, a second wall disposed about the first wall, and a plurality of lobes disposed between the first and second walls, wherein the plurality of lobes is spaced about the central axis to define a plurality of flow passages, and the plurality of flow passages is configured to output a plurality of flows into a flame region.Type: GrantFiled: June 30, 2015Date of Patent: October 29, 2019Assignee: General Electric CompanyInventors: Gregory Allen Boardman, Gerardo Antonio Salazar Lois, Jeffrey Michael Martini, Rajesh Sharma, Rishikesh Prakash Karande
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Patent number: 10393382Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine. The fuel injector includes an end wall, a centerbody, an outer sleeve surrounding the centerbody from the end wall toward the downstream end of the fuel injector, and a thermal management conduit. The centerbody includes an axially extended outer wall and inner wall extended from the end wall toward a downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage. The outer sleeve defines a plurality of radially oriented first air inlet ports in circumferential arrangement at a first axial portion of the outer sleeve.Type: GrantFiled: November 4, 2016Date of Patent: August 27, 2019Assignee: General Electric CompanyInventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini, Clayton S. Cooper
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Patent number: 10352569Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine. The fuel injector includes an end wall defining a fluid chamber, a centerbody, an outer sleeve surrounding the centerbody from the end wall toward a downstream end of the fuel injector, and a fluid cavity wall. The centerbody includes an axially extended outer wall and inner wall extended from the end wall toward the downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The fluid conduit is in fluid communication with the fluid chamber. The outer wall defines at least one radially oriented fluid injection port in fluid communication with the fluid conduit. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage.Type: GrantFiled: November 4, 2016Date of Patent: July 16, 2019Assignee: General Electric CompanyInventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini
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Publication number: 20190212009Abstract: A fuel injector for a gas turbine engine including an outer sleeve. An upstream end of the outer sleeve defines an inlet opening and a downstream end defines an exit opening, each of which defined within the outer sleeve. The outer sleeve defines a radial opening extended therethrough along the radial direction. At least a portion of the outer sleeve defines a plurality of grooves. The outer sleeve defines a fuel conduit through at least a portion of the outer sleeve outward of the plurality of grooves along the radial direction from the fuel injector centerline. The fuel conduit defines a fuel injection opening inward along the radial direction of the radial opening defined through the outer sleeve. A first member of an arm is coupled to the outer sleeve. A second member of the arm is contoured defining a fuel injection port generally concentric to the fuel injector centerline.Type: ApplicationFiled: January 9, 2018Publication date: July 11, 2019Inventors: Gregory Allen Boardman, Jeffrey Michael Martini, Michael Anthony Benjamin, Pradeep Naik
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Patent number: 10295190Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine including an end wall defining a fluid chamber, a centerbody, and an outer sleeve surrounding the centerbody from the end wall toward a downstream end of the fuel injector. The centerbody includes an axially extended outer wall and inner wall. The outer wall and inner wall extend from the end wall toward the downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The fluid conduit is in fluid communication with the fluid chamber. The outer wall defines at least one radially oriented fluid injection port in fluid communication with the fluid conduit. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage.Type: GrantFiled: November 4, 2016Date of Patent: May 21, 2019Assignee: General Electric CompanyInventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini
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Patent number: 10215414Abstract: A gas turbine system include a first body including a central passage extending from a mixing region to a central outlet at a first downstream end portion of the first body, a fuel outlet in the mixing region, an oxidant outlet in the mixing region, and an outer passage including a first passage extending in a downstream direction toward the first downstream end portion and a second passage extending in an upstream direction from the first downstream end portion into the mixing region.Type: GrantFiled: April 22, 2015Date of Patent: February 26, 2019Assignee: General Electric CompanyInventors: Jeffrey Michael Martini, Gregory Allen Boardman, Bassam Sabry Mohammad Abd El-Nabi, Gerardo Antonio Salazar-Lois
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Publication number: 20180128491Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine. The fuel injector includes an end wall defining a fluid chamber, a centerbody, an outer sleeve surrounding the centerbody from the end wall toward a downstream end of the fuel injector, and a fluid cavity wall. The centerbody includes an axially extended outer wall and inner wall extended from the end wall toward the downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The fluid conduit is in fluid communication with the fluid chamber. The outer wall defines at least one radially oriented fluid injection port in fluid communication with the fluid conduit. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage.Type: ApplicationFiled: November 4, 2016Publication date: May 10, 2018Inventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini
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Publication number: 20180128490Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine. The fuel injector includes an end wall, a centerbody, an outer sleeve surrounding the centerbody from the end wall toward the downstream end of the fuel injector, and a thermal management conduit. The centerbody includes an axially extended outer wall and inner wall extended from the end wall toward a downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage. The outer sleeve defines a plurality of radially oriented first air inlet ports in circumferential arrangement at a first axial portion of the outer sleeve.Type: ApplicationFiled: November 4, 2016Publication date: May 10, 2018Inventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini, Clayton S. Cooper
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Publication number: 20180128489Abstract: The present disclosure is directed to a fuel injector for a gas turbine engine including an end wall defining a fluid chamber, a centerbody, and an outer sleeve surrounding the centerbody from the end wall toward a downstream end of the fuel injector. The centerbody includes an axially extended outer wall and inner wall. The outer wall and inner wall extend from the end wall toward the downstream end of the fuel injector. The outer wall, the inner wall, and the end wall together define a fluid conduit extended in a first direction toward the downstream end of the fuel injector and in a second direction toward an upstream end of the fuel injector. The fluid conduit is in fluid communication with the fluid chamber. The outer wall defines at least one radially oriented fluid injection port in fluid communication with the fluid conduit. The outer sleeve and the centerbody define a premix passage radially therebetween and an outlet at the downstream end of the premix passage.Type: ApplicationFiled: November 4, 2016Publication date: May 10, 2018Inventors: Gregory Allen Boardman, Pradeep Naik, Manampathy Gangadharan Giridharan, David Albin Lind, Jeffrey Michael Martini
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Publication number: 20170067639Abstract: A system includes an annular combustor having a housing disposed about a head end chamber upstream of a combustion chamber. The annular combustor is configured to extend circumferentially about a rotational axis of a gas turbine engine, and an axis of the combustion chamber is acutely angled relative to the rotational axis. The system also includes a holder coupled to the housing and extending through the head end chamber in an axial direction relative to the axis of the combustion chamber. The holder includes a first receptacle configured to hold a first fuel nozzle, and the holder comprises a first fuel passage extending to the first receptacle.Type: ApplicationFiled: September 9, 2015Publication date: March 9, 2017Inventors: Nan Zong, Ahmed Mostafa ELKady, Mark Anthony Mueller, Pradeep Naik, Gerardo Antonio Salazar Lois, Rishikesh Prakash Karande, Jeffrey Michael Martini
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Publication number: 20170067635Abstract: A system including an annular combustor having a first liner wall disposed circumferentially about an axis, a combustion chamber disposed circumferentially about the first liner wall, and a second liner wall disposed circumferentially about the combustion chamber. The annular combustor is configured to direct a combustion gas flow in a downstream direction through the combustion chamber away from a head end toward a turbine. The system also includes a supply passage configured to supply a fluid flow from a compressor to the combustion chamber. The supply passage has a flow path architecture having a turning portion that turns the fluid flow from a compressor discharge direction to an upstream direction generally opposite the downstream direction of combustion gas flow.Type: ApplicationFiled: September 9, 2015Publication date: March 9, 2017Inventors: Nan Zong, Ahmed Mostafa ELKady, Mark Anthony Mueller, Pradeep Naik, Gerardo Antonio Salazar Lois, Rishikesh Prakash Karande, Jeffrey Michael Martini
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Publication number: 20170003031Abstract: A system includes a fuel nozzle including a first wall disposed about a central axis, a second wall disposed about the first wall, and a plurality of lobes disposed between the first and second walls, wherein the plurality of lobes is spaced about the central axis to define a plurality of flow passages, and the plurality of flow passages is configured to output a plurality of flows into a flame region.Type: ApplicationFiled: June 30, 2015Publication date: January 5, 2017Inventors: Gregory Allen Boardman, Gerardo Antonio Salazar Lois, Jeffrey Michael Martini, Rajesh Sharma, Rishikesh Prakash Karande
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Publication number: 20160313007Abstract: A gas turbine system include a first body including a central passage extending from a mixing region to a central outlet at a first downstream end portion of the first body, a fuel outlet in the mixing region, an oxidant outlet in the mixing region, and an outer passage including a first passage extending in a downstream direction toward the first downstream end portion and a second passage extending in an upstream direction from the first downstream end portion into the mixing region.Type: ApplicationFiled: April 22, 2015Publication date: October 27, 2016Inventors: Jeffrey Michael Martini, Gregory Allen Boardman, Bassam Sabry Mohammad Abd El-Nabi, Gerardo Antonio Salazar-Lois
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Patent number: 7360364Abstract: A method enables a combustor for a gas turbine engine to be assembled. The method includes coupling an inner liner to an outer liner such that a combustion chamber is defined therebetween, wherein the outer liner is fabricated from a plurality of panels coupled together, and coupling an outer support radially outward from the outer liner such that an outer passageway is defined between the outer liner and the outer support, wherein the outer support is configured to channel cooling air from the outer passageway towards at least a portion of the outer liner.Type: GrantFiled: December 17, 2004Date of Patent: April 22, 2008Assignee: General Electric CompanyInventors: Allen Michael Danis, James Neil Cooper, Jeffrey Michael Martini