Patents by Inventor Gordon Tajiri
Gordon Tajiri 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: 20240123503Abstract: Systems and methods of forming and removing support structures formed in a powder bed fusion (PBF) system are provided. The support structures are formed with designated failure zones that are designed to fail in a controlled fashion when resonated by one or more resonation devices.Type: ApplicationFiled: October 10, 2023Publication date: April 18, 2024Inventors: Gordon TAJIRI, Michael Thomas KENWORTHY
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Patent number: 11927405Abstract: An apparatus and method of forming a heat exchanger includes forming a monolithic core body having a first set of flow passages and a core coefficient of thermal expansion, and additively manufacturing onto the monolithic core a first manifold defining a first fluid inlet for the first set of flow passages.Type: GrantFiled: December 9, 2022Date of Patent: March 12, 2024Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Emily Marie Phelps, Dattu G V Jonnalagadda, Joseph Richard Schmitt
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Patent number: 11807929Abstract: Nickel-cobalt materials, methods of forming a nickel-cobalt material, and methods of thermally stabilizing a nickel-cobalt material are provided. A nickel-cobalt material may include a metal matrix composite with amorphous regions and crystalline regions substantially encompassed by a nanocrystalline grain structure with a grain size distribution of about 50 nanometers to about 800 nanometers, and the nanocrystalline grain structure may include widespread intragranular twinning. The metal matrix composite may have a chemical makeup that includes nickel, cobalt, and a dopant such as phosphorus and/or boron. A nickel-cobalt material may be heat treated within a first temperature zone below the onset temperature for grain growth and then within a second temperature zone above the onset temperature for grain growth in the material. Chemical composition and heat treatment may yield a thermally stabilized nickel-cobalt material.Type: GrantFiled: February 19, 2020Date of Patent: November 7, 2023Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Emily Marie Phelps, Joseph Richard Schmitt, Lakshmi Krishnan, Guru Venkata Dattu Jonnalagadda, Gary Stephen Shipley, Ashley Rose Dvorak
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Publication number: 20230313740Abstract: A method of electroforming a heat exchanger suitable. The method comprising providing a non-sacrificial carrier plate, providing a first sacrificial element and providing a second sacrificial element. The method comprising electroforming a duct over the first sacrificial element and electroforming a rail over the second sacrificial element. The method comprising removing the first sacrificial element and the second sacrificial element.Type: ApplicationFiled: June 9, 2023Publication date: October 5, 2023Inventors: Gurudatta Srinivasa Murthy Sirigere, Gordon Tajiri, Dattu Guru Venkata Jonnalagadda, Rajapriyan Rajendran, Udaya Bhaskar Pamidimarri
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Publication number: 20230295828Abstract: An apparatus and method for a mandrel used during an electroforming process. The mandrel is formed of a structural wax and includes a metallic layer utilized to formulate a metal component. During the electroforming process, the mandrel is actively cooled utilizing a closed loop. The closed loop includes the mandrel and a heat exchanger through which a coolant flows.Type: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Inventors: Gordon Tajiri, Emily Marie Phelps, Dattu GV Jonnalagadda, Joseph Richard Schmitt, Yanzhe Yang
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Patent number: 11754210Abstract: A duct assembly may include a first duct, a second duct, and a flexible joint assembly coupling the first duct to the second duct. The flexible joint assembly may include a bellows having a first end and a second end and a plurality of convolutions located therebetween, and a gimbaled joint assembly. The gimbaled joint assembly may include a first support surrounding the first end of the bellows and a first portion of the plurality of convolutions, a second support surrounding the second end of the bellows and a second portion of the plurality of convolutions, and a gimbal ring assembly operably coupled to the first support and the second support. The gimbal ring assembly may include a ring body and a plurality of flexure hinges interconnected with the ring body.Type: GrantFiled: August 9, 2021Date of Patent: September 12, 2023Assignee: General Electric CompanyInventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu G V Jonnalagadda, Jason L. Burdette
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Patent number: 11713715Abstract: An electroformed heat exchanger suitable for use between rotating blades and seals in a stationary casing of a turbine engine. The heat exchanger comprising a non-electroformed carrier plate having a radial outer surface and a radial outer surface, an electroformed duct provided along the radial outer surface, an electroformed rail provided on the radial inner surface, and an electroformed stiffener formed by a portion of the electroformed duct and the electroformed rail.Type: GrantFiled: June 30, 2021Date of Patent: August 1, 2023Assignee: Unison Industries, LLCInventors: Gurudatta Srinivasa Murthy Sirigere, Gordon Tajiri, Dattu Guru Venkata Jonnalagadda, Rajapriyan Rajendran, Udaya Bhaskar Pamidimarri
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Patent number: 11686012Abstract: An apparatus and method for a mandrel used during an electroforming process. The mandrel is formed of a structural wax and includes a metallic layer utilized to formulate a metal component. During the electroforming process, the mandrel is actively cooled utilizing a closed loop. The closed loop includes the mandrel and a heat exchanger through which a coolant flows.Type: GrantFiled: June 22, 2018Date of Patent: June 27, 2023Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Emily Marie Phelps, Dattu G V Jonnalagadda, Joseph Richard Schmitt, Yanzhe Yang
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Publication number: 20230115699Abstract: An apparatus and method of forming a heat exchanger includes forming a monolithic core body having a first set of flow passages and a core coefficient of thermal expansion, and additively manufacturing onto the monolithic core a first manifold defining a first fluid inlet for the first set of flow passages.Type: ApplicationFiled: December 9, 2022Publication date: April 13, 2023Inventors: Gordon Tajiri, Emily Marie Phelps, Dattu GV Jonnalagadda, Joseph Richard Schmitt
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Patent number: 11591684Abstract: A nickel-cobalt material and component includes a thermally stabilized nickel-cobalt alloy. The nickel-cobalt alloy disclosed herein includes nanocrystalline grain structures, pinning, such as Zener pinning, and intragranular twinning. The nickel-cobalt alloy disclosed herein exhibits multiple properties including an improved fracture toughness, an increased thermal stability, and an improved ultimate tensile strength.Type: GrantFiled: June 11, 2021Date of Patent: February 28, 2023Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Emily Marie Phelps, Bruce Patrick Graham, Joseph Richard Schmitt, Dattu G V Jonnalagadda, Lakshmi Krishnan
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Patent number: 11549376Abstract: A gas turbine engine guide vane heat exchanger has guide vane heat exchanger including electroformed fluid channels in electroformed heat exchanger tubes or a heat exchanger core disposed within airfoil. Non-flammable heat conducting liquid or non-metallic foam may fill space between tubes or core and airfoil. Fluid circuit may include channels within electroformed heat exchanger tubes or the heat exchanger core and extend from inlet manifold to outlet manifold for directing fluid or oil through channels and include fluid or oil supply inlet connected to inlet manifold for receiving the fluid or oil flowed into inlet manifold and a fluid or oil supply outlet connected to fluid or oil supply outlet for discharging fluid or oil flowed out of fluid or oil outlet manifold. Heat exchanger tubes or heat exchanger core, inlet manifold, outlet manifold, supply inlet and supply outlet may be integrally and monolithically electroformed together.Type: GrantFiled: June 30, 2021Date of Patent: January 10, 2023Assignee: General Electric CompanyInventors: Dattu Guru Venkata Jonnalagadda, Sandeep Kumar, Emily Marie Phelps, Merin Sebastian, Gordon Tajiri, Ramana Reddy Kollam
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Publication number: 20230003170Abstract: An electroformed heat exchanger suitable for use between rotating blades and seals in a stationary casing of a turbine engine. The heat exchanger comprising a non-electroformed carrier plate having a radial outer surface and a radial outer surface, an electroformed duct provided along the radial outer surface, an electroformed rail provided on the radial inner surface, and an electroformed stiffener formed by a portion of the electroformed duct and the electroformed rail.Type: ApplicationFiled: June 30, 2021Publication date: January 5, 2023Inventors: Gurudatta Srinivasa Murthy Sirigere, Gordon Tajiri, Dattu Guru Venkata Jonnalagadda, Rajapriyan Rajendran, Udaya Bhaskar Pamidimarri
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Patent number: 11536521Abstract: An apparatus and method of forming a hybrid heat exchanger including a first manifold defining a first fluid inlet and a second manifold defining a second fluid inlet. A monolithic core body includes a first set of flow passages in fluid communication with the first manifold and a second set of flow passages is in communication with the second manifold. At least a portion of the first manifold or the second manifold has a tunable coefficient of thermal expansion that is less than a coefficient of thermal expansion of the structurally rigid monolithic core.Type: GrantFiled: February 23, 2018Date of Patent: December 27, 2022Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Emily Marie Phelps, Dattu G V Jonnalagadda, Joseph Richard Schmitt
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Publication number: 20220282391Abstract: A method of electroforming can be used to prepare a heat exchanger by electroforming the heat exchanger on a mandrel having a smooth and conductive surface. The mandrel is in the shape of at least part of the heat exchanger, and is removed from the electroformed heat exchanger.Type: ApplicationFiled: March 4, 2021Publication date: September 8, 2022Inventors: Gordon Tajiri, Dattu GV Jonnalagadda, Michael Ralph Storage, Emily Marie Phelps, Jason Levi Burdette
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Publication number: 20220049336Abstract: A nickel-cobalt material and component includes a thermally stabilized nickel-cobalt alloy. The nickel-cobalt alloy disclosed herein includes nanocrystalline grain structures, pinning, such as Zener pinning, and intragranular twinning. The nickel-cobalt alloy disclosed herein exhibits multiple properties including an improved fracture toughness, an increased thermal stability, and an improved ultimate tensile strength.Type: ApplicationFiled: June 11, 2021Publication date: February 17, 2022Inventors: Gordon Tajiri, Emily Marie Phelps, Bruce Patrick Graham, Joseph Richard Schmitt, Dattu GV Jonnalagadda, Lakshmi Krishnan
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Patent number: 11248526Abstract: A fan casing assembly, connection assembly and method for moving a fan casing cooler. The fan casing assembly for the turbine engine can include an annular fan casing with a peripheral wall having a flow path defined through the casing. A fan casing cooler can mount along the peripheral wall in order to confront a cooling fluid flow within the flow path in order to cool a fluid through the fan casing cooler.Type: GrantFiled: August 28, 2017Date of Patent: February 15, 2022Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Michael Thomas Kenworthy, Yanzhe Yang, Dattu G. V. Jonnalagadda, Elizabeth Diane Turner
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Publication number: 20210372547Abstract: A duct assembly may include a first duct, a second duct, and a flexible joint assembly coupling the first duct to the second duct. The flexible joint assembly may include a bellows having a first end and a second end and a plurality of convolutions located therebetween, and a gimbaled joint assembly. The gimbaled joint assembly may include a first support surrounding the first end of the bellows and a first portion of the plurality of convolutions, a second support surrounding the second end of the bellows and a second portion of the plurality of convolutions, and a gimbal ring assembly operably coupled to the first support and the second support. The gimbal ring assembly may include a ring body and a plurality of flexure hinges interconnected with the ring body.Type: ApplicationFiled: August 9, 2021Publication date: December 2, 2021Inventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu GV Jonnalagadda, Jason L. Burdette
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Patent number: 11174564Abstract: An electroforming system and method for electroforming a component includes an electroforming reservoir with a housing with at least one inlet and at least one outlet, and at least one anode chamber within the housing and fluidly coupled to the at least one inlet. An anode can be located within the at least one anode chamber.Type: GrantFiled: October 31, 2018Date of Patent: November 16, 2021Assignee: Unison Industries, LLCInventors: Dattu GV Jonnalagadda, Karthick Vilapakkam Gourishankar, Merin Sebastian, Sandeep Kumar, Gordon Tajiri
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Publication number: 20210324745Abstract: A gas turbine engine guide vane heat exchanger has guide vane heat exchanger including electroformed fluid channels in electroformed heat exchanger tubes or a heat exchanger core disposed within airfoil. Non-flammable heat conducting liquid or non-metallic foam may fill space between tubes or core and airfoil. Fluid circuit may include channels within electroformed heat exchanger tubes or the heat exchanger core and extend from inlet manifold to outlet manifold for directing fluid or oil through channels and include fluid or oil supply inlet connected to inlet manifold for receiving the fluid or oil flowed into inlet manifold and a fluid or oil supply outlet connected to fluid or oil supply outlet for discharging fluid or oil flowed out of fluid or oil outlet manifold. Heat exchanger tubes or heat exchanger core, inlet manifold, outlet manifold, supply inlet and supply outlet may be integrally and monolithically electroformed together.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Applicant: General Electric CompanyInventors: Dattu Guru Venkata Jonnalagadda, Sandeep Kumar, Emily Marie Phelps, Merin Sebastian, Gordon Tajiri, Ramana Reddy Kollam
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Patent number: 11142840Abstract: An electroforming system and method for electroforming a component includes an electroforming reservoir with a housing defining a fluid passage. An electroforming chamber can be located within the housing and fluidly coupled to the fluid passage via a set of apertures in at least one wall of the electroforming chamber.Type: GrantFiled: October 31, 2018Date of Patent: October 12, 2021Assignee: Unison Industries, LLCInventors: Dattu GV Jonnalagadda, Sandeep Kumar, Merin Sebastian, Gordon Tajiri, Emily Marie Phelps