Patents by Inventor Margeaux Wallace
Margeaux Wallace 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: 20240117481Abstract: Methods are provided for forming a thermal barrier coating having a non-linear compositional gradient and/or a non-linear porosity gradient, along with coated components formed therefrom. The method includes spraying a deposition mixture of a first composition and a second composition via a solution precursor plasma spray apparatus onto a surface of a substrate; while spraying the deposition mixture, adjusting at least one deposition parameter such that the thermal barrier coating is formed with the non-linear gradient.Type: ApplicationFiled: October 10, 2022Publication date: April 11, 2024Inventors: Margeaux Wallace, Mamatha Nagesh, Mohandas Nayak, Sundeep Kumar, Bernard Patrick Bewlay, Julie Marie Kuhn
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Patent number: 11946146Abstract: A coating system configured to be applied to a thermal barrier coating of an article includes an infiltration coating configured to be applied to the thermal barrier coating. The infiltration coating infiltrates at least some pores of the thermal barrier coating. The infiltration coating decomposes within the at least some pores of the thermal barrier coating to coat a portion of the at least some pores of the thermal barrier coating. The infiltration coating reduces a porosity of the thermal barrier coating. The coating system also includes a reactive phase spray formulation coat configured to be applied to the thermal barrier coating. The reactive phase spray formulation coating reacts with dust deposits on the thermal barrier coating.Type: GrantFiled: May 25, 2021Date of Patent: April 2, 2024Assignee: General Electric CompanyInventors: Hrishikesh Keshavan, Bernard Patrick Bewlay, Jose Sanchez, Margeaux Wallace, Byron Pritchard, Ambarish Kulkarni
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Publication number: 20230330700Abstract: Coated components, along with methods of their formation, are provided. The coated component may include a substrate having a surface and a thermal barrier coating on the surface of the substrate. The thermal barrier coating includes a plurality of elongated surface-connected voids therein, and wherein the thermal barrier coating comprises a plurality of nonspherical particles within a thermal barrier material.Type: ApplicationFiled: December 19, 2022Publication date: October 19, 2023Inventors: Margeaux Wallace, Mamatha Nagesh, Mohandas Nayak, Sundeep Kumar, Bernard Patrick Bewlay, Julie Marie Kuhn
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Publication number: 20230271723Abstract: A method for inspecting and repairing a surface of a component of a gas turbine engine, the method including: inserting an inspection and repair tool into an interior of the gas turbine engine; inspecting the surface of the component with the inspection and repair tool; performing a repair of the surface of the component with the inspection and repair tool from within the interior of the gas turbine engine, the inspection and repair tool remaining within the interior of the gas turbine engine between inspecting the component and performing the repair of the surface of the component.Type: ApplicationFiled: May 5, 2023Publication date: August 31, 2023Inventors: Todd William Danko, Ambarish Jayant Kulkarni, Margeaux Wallace, Hrishikesh Keshavan, Bernard Patrick Bewlay, Byron Andrew Pritchard, JR., Michael Dean Fullington, Andrew Crispin Graham, Trevor Owen Hawke, Julian Matthew Foxall, Ahmed M. ELKady
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Patent number: 11679898Abstract: A method for inspecting and repairing a surface of a component of a gas turbine engine, the method including: inserting an inspection and repair tool into an interior of the gas turbine engine; inspecting the surface of the component with the inspection and repair tool; performing a repair of the surface of the component with the inspection and repair tool from within the interior of the gas turbine engine, the inspection and repair tool remaining within the interior of the gas turbine engine between inspecting the component and performing the repair of the surface of the component.Type: GrantFiled: June 15, 2020Date of Patent: June 20, 2023Assignees: General Electric Company, Oliver Crispin Robotics LimitedInventors: Todd William Danko, Ambarish Jayant Kulkarni, Margeaux Wallace, Hrishikesh Keshavan, Bernard Patrick Bewlay, Byron Andrew Pritchard, Jr., Michael Dean Fullington, Andrew Crispin Graham, Trevor Owen Hawke, Julian Matthew Foxall, Ahmed M ELKady
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Patent number: 11655720Abstract: A sprayable thermal barrier coating powder mixture for a gas turbine engine includes: a dry composition having a low surface area ceramic powder having a median particle size distribution greater than 5 microns and less than 50 microns, and a high surface area ceramic powder having a median particle size distribution smaller than 5 microns, wherein the low surface area ceramic powder makes up at least 50% by weight of the dry composition of the sprayable thermal barrier coating powder mixture.Type: GrantFiled: May 6, 2021Date of Patent: May 23, 2023Assignee: General Electric CompanyInventors: Hrishikesh Keshavan, Atanu Saha, Margeaux Wallace, Mamatha Nagesh, Ambarish Jayant Kulkarni, Bernard Patrick Bewlay, Jr.
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Patent number: 11549382Abstract: A coated component of a gas turbine engine includes a substrate defining a surface, a thermal barrier coating deposited on the surface of the substrate, a region of the component where the thermal barrier coating has spalled from the substrate, a layer of environmental contaminant compositions formed on one or more of the thermal barrier coating or the region of the component where the thermal barrier coating has spalled from the substrate in response to an initial exposure of the component to high operating temperatures of the gas turbine engine, and a thermal barrier coating (TBC) restoration coating deposited at least on the region of the component where there thermal barrier coating has spalled from the substrate.Type: GrantFiled: November 4, 2020Date of Patent: January 10, 2023Assignee: General Electric CompanyInventors: Hrishikesh Keshavan, Ambarish Jayant Kulkarni, Margeaux Wallace, Byron Andrew Pritchard, Jr., Almed M. Elkady, Atanu Saha, Mamatha Nagesh, Bernard Patrick Bewlay
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Publication number: 20220136095Abstract: A reactive phase spray formulation coating is configured to be disposed on the thermal barrier coating of an article. The reactive phase spray formulation coating comprises a base material and a binder material. The base material has a compliance that is higher than a compliance of the binder material, the binder material has a cohesive strength that is greater than a cohesive strength of the base material, the binder material has an adhesive strength that is greater than an adhesive strength of the base material, and the binder material has a surface area of at least ten square-meters per gram that is greater than a surface area of the base material. The binder material is configured to improve a cohesive strength level, an adhesive strength level, and a compliance of the formulation coating of the thermal barrier coating relative to the formulation coating not including the binder material.Type: ApplicationFiled: January 13, 2022Publication date: May 5, 2022Inventors: Hrishikesh Keshavan, Byron Pritchard, Margeaux Wallace, Ambarish Kulkarni, Mehmet Dede, Bernard Patrick Bewlay
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Publication number: 20210396181Abstract: A sprayable thermal barrier coating powder mixture for a gas turbine engine includes: a dry composition having a low surface area ceramic powder having a median particle size distribution greater than 5 microns and less than 50 microns, and a high surface area ceramic powder having a median particle size distribution smaller than 5 microns, wherein the low surface area ceramic powder makes up at least 50% by weight of the dry composition of the sprayable thermal barrier coating powder mixture.Type: ApplicationFiled: May 6, 2021Publication date: December 23, 2021Inventors: Hrishikesh Keshavan, Atanu Saha, Margeaux Wallace, Mamatha Nagesh, Ambarish Jayant Kulkarni, Bernard Patrick Bewlay, JR.
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Publication number: 20210388737Abstract: An insertion tool is provided for an engine defining an access opening and including a component defining at least in part a cavity. The insertion tool includes: an insertion tool arm having a plurality of segments, the insertion tool arm configured for insertion through the access opening into the cavity and the plurality of segments configured to be in a fixed position relative to one another within the cavity; and a base coupled to the insertion tool arm and configured to be positioned outside the cavity and to move the insertion tool arm along at least two degrees of freedom.Type: ApplicationFiled: June 11, 2020Publication date: December 16, 2021Inventors: Julian Matthew Foxall, Trevor Owen Hawke, Andrew Crispin Graham, Chiara Mellucci, Todd William Danko, Ambarish Jayant Kulkarni, Michael Dean Fullington, Margeaux Wallace
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Publication number: 20210387746Abstract: A method for inspecting and repairing a surface of a component of a gas turbine engine, the method including: inserting an inspection and repair tool into an interior of the gas turbine engine; inspecting the surface of the component with the inspection and repair tool; performing a repair of the surface of the component with the inspection and repair tool from within the interior of the gas turbine engine, the inspection and repair tool remaining within the interior of the gas turbine engine between inspecting the component and performing the repair of the surface of the component.Type: ApplicationFiled: June 15, 2020Publication date: December 16, 2021Inventors: Todd William Danko, Ambarish Jayant Kulkarni, Margeaux Wallace, Hrishikesh Keshavan, Bernard Patrick Bewlay, Byron Andrew Pritchard, Jr., Michael Dean Fullington, Andrew Crispin Graham, Trevor Owen Hawke, Julian Matthew Foxall, Ahmed M ELKady
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Patent number: 11180265Abstract: A control system includes one or more processors configured to determine when to extend a life span of an engine by applying an additional restorative coating to the engine based on one or more monitored parameters of the engine. The monitored parameters include a condition of a previously applied restorative coating. The one or more processors are configured to determine the condition of the previously applied restorative coating based on an optical response of the previously applied restorative coating. The one or more processors also are configured to direct application of the additional restorative coating based on the one or more monitored parameters of the engine.Type: GrantFiled: August 13, 2019Date of Patent: November 23, 2021Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Byron Andrew Pritchard, Shankar Sivaramakrishnan, Larry Steven Rosenzweig, Mehmet M. Dede, Hrishikesh Keshavan, Ambarish J. Kulkarni, Margeaux Wallace
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Publication number: 20210277523Abstract: A coating system configured to be applied to a thermal barrier coating of an article includes an infiltration coating configured to be applied to the thermal barrier coating. The infiltration coating infiltrates at least some pores of the thermal barrier coating. The infiltration coating decomposes within the at least some pores of the thermal barrier coating to coat a portion of the at least some pores of the thermal barrier coating. The infiltration coating reduces a porosity of the thermal barrier coating. The coating system also includes a reactive phase spray formulation coat configured to be applied to the thermal barrier coating.Type: ApplicationFiled: May 25, 2021Publication date: September 9, 2021Inventors: Hrishikesh Keshavan, Bernard Patrick Bewlay, Jose Sanchez, Margeaux Wallace, Byron Pritchard, Ambarish Kulkarni
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Patent number: 11028486Abstract: A method includes applying an infiltration coating on a thermal barrier coating of an article. The infiltration coating infiltrates at least some pores of the thermal barrier coating. The infiltration coating decomposes within the at least some pores of the thermal barrier coating to coat a portion of the at least some pores of the thermal barrier coating. The infiltration coating reduces a porosity of the thermal barrier coating. The method also includes applying a reactive phase spray formulation coating on the thermal barrier coating. The reactive phase spray formulation coating reacts with dust deposits on the thermal barrier coating.Type: GrantFiled: December 4, 2018Date of Patent: June 8, 2021Assignee: General Electric CompanyInventors: Hrishikesh Keshavan, Bernard Patrick Bewlay, Jose Sanchez, Margeaux Wallace, Byron Pritchard, Ambarish Kulkarni
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Publication number: 20210131305Abstract: A coated component of a gas turbine engine includes a substrate defining a surface, a thermal barrier coating deposited on the surface of the substrate, a region of the component where the thermal barrier coating has spalled from the substrate, a layer of environmental contaminant compositions formed on one or more of the thermal barrier coating or the region of the component where the thermal barrier coating has spalled from the substrate in response to an initial exposure of the component to high operating temperatures of the gas turbine engine, and a thermal barrier coating (TBC) restoration coating deposited at least on the region of the component where there thermal barrier coating has spalled from the substrate.Type: ApplicationFiled: November 4, 2020Publication date: May 6, 2021Inventors: Hrishikesh Keshavan, Ambarish Jayant Kulkarni, Margeaux Wallace, Byron Andrew Pritchard, JR., Almed M. Elkady, Atanu Saha, Mamatha Nagesh, Bernard Patrick Bewlay
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Patent number: 10908106Abstract: A coating analysis system and method inductively heat a component having a coating. Optionally, the component is heated while a cooling fluid flows through cooling holes extending through the component and the coating. The system and method measure rates of infrared radiation emission from the component and the coating at different locations on the component and the coating. The system and method determining bond qualities (e.g., tensile strengths of bonds) between the coating and the component at the different locations based on the rates of infrared radiation emission that are measured.Type: GrantFiled: July 26, 2018Date of Patent: February 2, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Venkata Vijayaraghava Nalladega, Roger Dale Wustman, Cathleen Ann Hoel, Margeaux Wallace
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Publication number: 20200182805Abstract: An inspection system includes a light source, an imaging device, and one or more processors. The light source is configured to direct an illumination light having a controlled light characteristic towards a surface of a thermal barrier coating of a work piece. The imaging device is configured to capture image data of the surface of the thermal barrier coating by monitoring the illumination light reflected off the surface. The one or more processors are operably connected to the imaging device and configured to analyze the image data of the surface by comparing the image data to reference image data depicting a first designated microstructure. The first designated microstructure has an associated coating quality value. The one or more processors are configured to determine that the thermal barrier coating of the work piece has the first designated microstructure based on the analysis.Type: ApplicationFiled: December 11, 2018Publication date: June 11, 2020Inventors: Guanghua Wang, Margeaux Wallace, Bernard Patrick Bewlay
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Publication number: 20200173033Abstract: A method includes applying an infiltration coating on a thermal barrier coating of an article. The infiltration coating infiltrates at least some pores of the thermal barrier coating. The infiltration coating decomposes within the at least some pores of the thermal barrier coating to coat a portion of the at least some pores of the thermal barrier coating. The infiltration coating reduces a porosity of the thermal barrier coating. The method also includes applying a reactive phase spray formulation coating on the thermal barrier coating. The reactive phase spray formulation coating reacts with dust deposits on the thermal barrier coating.Type: ApplicationFiled: December 4, 2018Publication date: June 4, 2020Inventors: Hrishikesh Keshavan, Bernard Patrick Bewlay, Jose Sanchez, Margeaux Wallace, Byron Pritchard, Ambarish Kulkarni
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Patent number: 10670539Abstract: An inspection system includes a light source, an imaging device, and one or more processors. The light source is configured to direct an illumination light having a controlled light characteristic towards a surface of a thermal barrier coating of a work piece. The imaging device is configured to capture image data of the surface of the thermal barrier coating by monitoring the illumination light reflected off the surface. The one or more processors are operably connected to the imaging device and configured to analyze the image data of the surface by comparing the image data to reference image data depicting a first designated microstructure. The first designated microstructure has an associated coating quality value. The one or more processors are configured to determine that the thermal barrier coating of the work piece has the first designated microstructure based on the analysis.Type: GrantFiled: December 11, 2018Date of Patent: June 2, 2020Assignee: General Electric CompanyInventors: Guanghua Wang, Margeaux Wallace, Bernard Patrick Bewlay
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Publication number: 20200033276Abstract: A coating analysis system and method inductively heat a component having a coating. Optionally, the component is heated while a cooling fluid flows through cooling holes extending through the component and the coating. The system and method measure rates of infrared radiation emission from the component and the coating at different locations on the component and the coating. The system and method determining bond qualities (e.g., tensile strengths of bonds) between the coating and the component at the different locations based on the rates of infrared radiation emission that are measured.Type: ApplicationFiled: July 26, 2018Publication date: January 30, 2020Inventors: Venkata Vijayaraghava Nalladega, Roger Dale Wustman, Cathleen Ann Hoel, Margeaux Wallace