Patents by Inventor Stephen Gerard Pope
Stephen Gerard Pope 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: 20190241995Abstract: A nickel based alloy, along with methods of its use and manufacture, is provided that may include about 20 wt. % to about 26 wt. % cobalt; about 9 wt. % to about 13 wt. % chromium; about 2 wt. % to about 6 wt. % iron; about 3.5 wt. % to about 6 wt. % aluminum; about 9 wt. % to about 13 wt. % tungsten; about 6 wt. % to about 9 wt. % tantalum; about 0.06 wt. % to about 0.20 wt. % boron; and the balance nickel. The nickel based alloy may have gamma prime precipitates in a plurality of grain interiors and a gamma prime solvus temperature of about 1038° C. or greater. Additionally or alternatively, the nickel based alloy may comprise about 30% by volume or more gamma prime precipitates in the plurality of grain interiors.Type: ApplicationFiled: February 7, 2018Publication date: August 8, 2019Inventors: Akane Suzuki, Steve John Buresh, Richard DiDomizio, Soumya Nag, Scott Michael Oppenheimer, Stephen Gerard Pope
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Patent number: 9759427Abstract: An interface assembly for a combustor includes an interface housing having a channel defined by a forward wall and at least one aft wall segment, the aft wall segment operatively coupled to an aft flange of a flow sleeve. Also included is a piston ring fittingly disposed in the channel.Type: GrantFiled: November 1, 2013Date of Patent: September 12, 2017Assignee: General Electric CompanyInventors: Kyle Lee Kidder, Donald Timothy Lemon, Stephen Gerard Pope
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Patent number: 9617859Abstract: The present application provides a turbine component for use in a hot gas path of a gas turbine. The turbine component may include an outer surface, an internal cooling circuit, a number of cooling pathways in communication with the internal cooling circuit and extending through the outer surface, and a number of adaptive cooling pathways in communication with the internal cooling circuit and extending through the outer surface. The adaptive cooling pathways may include a high temperature compound therein.Type: GrantFiled: October 5, 2012Date of Patent: April 11, 2017Assignee: General Electric CompanyInventors: Victor John Morgan, Stephen Gerard Pope, Jacob Kittleson, Lawrence Matthew Levy
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Publication number: 20160091201Abstract: A fuel nozzle includes a center body and a shroud circumferentially surrounding at least a portion of the center body to define an annular passage between the center body and the shroud. A plurality of vanes extend radially between the center body and the shroud in the annular passage. A first ceramic extension extends downstream from the shroud to define at least a portion of the annular passage downstream from the shroud.Type: ApplicationFiled: October 13, 2015Publication date: March 31, 2016Inventors: Christopher Michael Prue, Thomas Edward Johnson, Stephen Gerard Pope
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Patent number: 9291082Abstract: A system includes a catalytic reactor configured to mount to a combustor. The catalytic reactor includes a catalyst configured to reduce emissions associated with combustion in the combustor. The catalytic reactor also includes a first and a second sacrificial coating disposed over the catalyst prior to mounting of the catalytic reactor into the combustor, wherein the first and second sacrificial coatings are removable while the catalytic reactor is mounted to the combustor without damaging the catalyst.Type: GrantFiled: September 26, 2012Date of Patent: March 22, 2016Assignee: General Electric CompanyInventors: Richard Todd Everhart, Rebecca Evelyn Hefner, Cristina Colindres Kraemer, Gilbert Otto Kraemer, Surinder Singh Pabla, Stephen Gerard Pope
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Patent number: 9187816Abstract: Methods of reducing an initial cross-sectional area of a hole in a component to a predetermined cross-sectional area including preparing a composition comprising at least an aluminum alloy with a melting temperature higher than aluminum, applying the composition to an interior surface of the hole, and then heating the component to cause a metal within the component to diffuse from the component into the composition and react with the aluminum alloy in the composition to form a coating on the interior surface of the hole. The heating step is performed to selectively modify the initial cross-sectional area of the hole and thereby directly attain the predetermined cross-sectional area thereof.Type: GrantFiled: November 6, 2012Date of Patent: November 17, 2015Assignee: General Electric CompanyInventors: Stephen Gerard Pope, Dennis William Cavanaugh, John Gregory Obeirne, Eric Eicher McConnell, Mark Lawrence Hunt, Canan Hardwicke
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Patent number: 9174309Abstract: A turbine component and a process of fabricating a component are disclosed. The process includes excavating a base metal of the component to form a fill region and filling the fill region with a filler metal. The filler metal has a filler metal elongation that is at least 25% greater than a base metal elongation of the base metal. The filler includes, by weight, between about 4% and about 7% iron, between about 14% and about 17% chromium, between about 15% and about 17% molybdenum, between about 3% and about 5% tungsten, up to about 0.02% carbon, up to about 1% manganese, up to about 2.5% cobalt, and a balance of nickel and/or the filler metal elongation is greater than about 35% in/in per two inches.Type: GrantFiled: July 24, 2012Date of Patent: November 3, 2015Assignee: General Electric CompanyInventors: Eric Eicher McConnell, Stephen Gerard Pope, Bill Damon Johnston, John Gregory Obeirne
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Publication number: 20150121880Abstract: An interface assembly for a combustor includes an interface housing having a channel defined by a forward wall and at least one aft wall segment, the aft wall segment operatively coupled to an aft flange of a flow sleeve. Also included is a piston ring fittingly disposed in the channel.Type: ApplicationFiled: November 1, 2013Publication date: May 7, 2015Applicant: General Electric CompanyInventors: Kyle Lee Kidder, Donald Timothy Lemon, Stephen Gerard Pope
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Publication number: 20140124100Abstract: Methods of reducing an initial cross-sectional area of a hole in a component to a predetermined cross-sectional area including preparing a composition comprising at least an aluminum alloy with a melting temperature higher than aluminum, applying the composition to an interior surface of the hole, and then heating the component to cause a metal within the component to diffuse from the component into the composition and react with the aluminum alloy in the composition to form a coating on the interior surface of the hole. The heating step is performed to selectively modify the initial cross-sectional area of the hole and thereby directly attain the predetermined cross-sectional area thereof.Type: ApplicationFiled: November 6, 2012Publication date: May 8, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Stephen Gerard Pope, Dennis William Cavanaugh, John Gregory Obeirne, Eric Eicher McConnell, Mark Lawrence Hunt, Canan Hardwicke
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Publication number: 20140099183Abstract: The present application provides a turbine component for use in a hot gas path of a gas turbine. The turbine component may include an outer surface, an internal cooling circuit, a number of cooling pathways in communication with the internal cooling circuit and extending through the outer surface, and a number of adaptive cooling pathways in communication with the internal cooling circuit and extending through the outer surface. The adaptive cooling pathways may include a high temperature compound therein.Type: ApplicationFiled: October 5, 2012Publication date: April 10, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Victor John Morgan, Stephen Gerard Pope, Jacob Kittleson, Lawrence Matthew Levy
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Publication number: 20140086810Abstract: A system includes a catalytic reactor configured to mount to a combustor. The catalytic reactor includes a catalyst configured to reduce emissions associated with combustion in the combustor. The catalytic reactor also includes a first sacrificial coating disposed over the catalyst prior to mounting of the catalytic reactor into the combustor, wherein the first sacrificial coating is removable while the catalytic reactor is mounted to the combustor without damaging the catalyst.Type: ApplicationFiled: September 26, 2012Publication date: March 27, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Richard Todd Everhart, Rebecca Evelyn Hefner, Cristina Colindres Kraemer, Gilbert Otto Kraemer, Surinder Singh Pabla, Stephen Gerard Pope
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Patent number: 8678754Abstract: According to one aspect of the invention, an assembly for preventing fluid flow between turbine components includes a shim and a first woven wire mesh layer that includes a first surface coupled to a first side of the shim and a second surface of the woven wire mesh layer opposite the first surface. The assembly also includes a first outer layer coupled to the second surface of the woven wire mesh layer, where the first outer layer includes a high temperature non-metallic material.Type: GrantFiled: January 24, 2011Date of Patent: March 25, 2014Assignee: General Electric CompanyInventors: Victor John Morgan, Rebecca Evelyn Hefner, Stephen Gerard Pope
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Publication number: 20140030548Abstract: A turbine component and a process of fabricating a component are disclosed. The process includes excavating a base metal of the component to form a fill region and filling the fill region with a filler metal. The filler metal has a filler metal elongation that is at least 25% greater than a base metal elongation of the base metal. The filler includes, by weight, between about 4% and about 7% iron, between about 14% and about 17% chromium, between about 15% and about 17% molybdenum, between about 3% and about 5% tungsten, up to about 0.02% carbon, up to about 1% manganese, up to about 2.5% cobalt, and a balance of nickel and/or the filler metal elongation is greater than about 35% in/in per two inches.Type: ApplicationFiled: July 24, 2012Publication date: January 30, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Eric Eicher McCONNELL, Stephen Gerard POPE, Bill Damon JOHNSTON, John Gregory OBEIRNE
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Publication number: 20140003954Abstract: A method for modifying a wear characteristic of a rotor blade in a turbine system and a modified rotor blade for a turbine system are disclosed. The method includes implanting ions of one of a Group 6 element, a Group 14 element, or a Group 15 element through an exterior surface of a rotor blade. The rotor blade is one of a compressor blade or a turbine bucket.Type: ApplicationFiled: June 27, 2012Publication date: January 2, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: David Vincent Bucci, Stephen Gerard Pope, Jason Robert Parolini
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Publication number: 20140003959Abstract: A method for modifying a wear characteristic of a rotor component in a turbine system and a modified rotor component for a turbine system are disclosed. The method includes implanting ions of one of a Group 6 element, a Group 13 element, or a metalloid element through an exterior surface of a rotor component. The rotor component is one of a rotor wheel or a distance wheel.Type: ApplicationFiled: June 27, 2012Publication date: January 2, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: David Vincent Bucci, Stephen Gerard Pope, Jason Robert Parolini
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Publication number: 20130284825Abstract: A fuel nozzle includes a center body and a shroud circumferentially surrounding at least a portion of the center body to define an annular passage between the center body and the shroud. A plurality of vanes extend radially between the center body and the shroud in the annular passage. A first ceramic extension extends downstream from the shroud to define at least a portion of the annular passage downstream from the shroud.Type: ApplicationFiled: April 30, 2012Publication date: October 31, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Christopher Michael Prue, Thomas Edward Johnson, Stephen Gerard Pope
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Publication number: 20130177772Abstract: Articles comprising a substrate; a thermal barrier coating disposed on the substrate, the thermal barrier coating comprising a radioactive element, the radioactive element having a base radiation emission; and a radiation inhibitor disposed in or on the thermal barrier coating, or a combination thereof, the thermal barrier coating and radiation inhibitor having a mitigated radiation emission, wherein the mitigated radiation emission is lower than the base radiation emission and a methods of making the same.Type: ApplicationFiled: January 5, 2012Publication date: July 11, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Jon Conrad Schaeffer, Stephen Gerard Pope
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Publication number: 20120324902Abstract: A method and coating for maintaining surface-related properties of a gas turbine combustor component having a wall formed of a nickel-base alloy containing a gamma prime precipitate strengthening phase, interior and exterior surfaces defined by the wall, and at least one hole in the wall that fluidically connects the interior and exterior surfaces of the combustor component. A diffusion coating composition is applied at least within the hole, and then heated to form a diffusion aluminide coating in at least an in-wall surface region of the wall that surrounds and defines the hole. The aluminiding coating forms a diffusion zone that contains a sufficient amount of aluminum intermetallics to inhibit depletion of the gamma prime precipitates in the wall and inhibit degradation and cracking in the in-wall surface region surrounding the hole.Type: ApplicationFiled: June 27, 2011Publication date: December 27, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Stephen Gerard Pope, Dennis William Cavanaugh
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Publication number: 20120189435Abstract: According to one aspect of the invention, an assembly for preventing fluid flow between turbine components includes a shim and a first woven wire mesh layer that includes a first surface coupled to a first side of the shim and a second surface of the woven wire mesh layer opposite the first surface. The assembly also includes a first outer layer coupled to the second surface of the woven wire mesh layer, where the first outer layer includes a high temperature non-metallic material.Type: ApplicationFiled: January 24, 2011Publication date: July 26, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Victor John Morgan, Rebecca Evelyn Hefner, Stephen Gerard Pope
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Publication number: 20100170079Abstract: A method of treating a component made of a non magnetic alloy on which a magnetic surface layer has formed includes: (a) engaging a magnet of a calibrated magnet gauge with a surface of the component; (b) disengaging the magnet from the surface of the component and measuring a force required to disengage the magnet; (c) correlating the force with a thickness of the magnetic surface layer; and (d) if the thickness of the surface layer is greater than a predetermined minimum thickness, removing the surface layer.Type: ApplicationFiled: January 8, 2009Publication date: July 8, 2010Applicant: General Electric CompanyInventors: Warren Tan KING, Stephen Gerard Pope, Susan Drake