Patents by Inventor Dattu G. V. Jonnalagadda
Dattu G. V. Jonnalagadda 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: 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: 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: 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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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: 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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Patent number: 11408540Abstract: A tube coupling assembly is disclosed, which comprises a first connector for connecting to a tube; a second connector for jointing with the first connector; a first member is adapted to mount on the first connector and operably affixable to the second connector; and a second member is adapted to mount on the second connector, and is capable of being engaged with the first member to prevent separation between the first connector and the second connector.Type: GrantFiled: September 27, 2017Date of Patent: August 9, 2022Assignee: GENERAL ELECTRIC COMPANYInventors: Greedaran Kubendran Jankin, Vinod Shashikant Chaudhari, Dattu G. V. Jonnalagadda, Sandeep Kumar, Rachamadugu Sivaprasad, Ramana Reddy Kollam, Merin Sebastian
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Publication number: 20220145829Abstract: An expansion joint for a jet engine, the expansion joint including a pipe defining a proximal end having a first engagement structure, wherein the pipe is part of an air system of the jet engine; and an engine hardware coupled with the proximal end of the pipe, the engine hardware having a second engagement structure engaged with the first engagement structure to couple the pipe and engine hardware relative to one another, wherein one of the first and second engagement structures comprises one or more spring fingers, and wherein the other of the first and second engagement structures comprises a ridge extending along a circumferential direction of such engagement structure.Type: ApplicationFiled: November 10, 2021Publication date: May 12, 2022Inventors: Naleen Kumar Verma, Daniel D. Smith, Urmi Tejaswini, Mario Alberto BolaƱos Jimenez, Dattu G.V. Jonnalagadda
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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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Patent number: 11203946Abstract: A feeder duct assembly for a gas turbine engine, which negates the need for a ball or axial joint in the duct for required for flexibility under thermal loading. The feeder duct assembly of the present innovation comprises an end fitting designed to meet flexibility requirements without compromising dynamic performance of the system with added weight from ball or axial joints in the ducts.Type: GrantFiled: May 4, 2017Date of Patent: December 21, 2021Assignee: Unison Industries, LLCInventors: Dattu G V Jonnalagadda, Greedaran Kubendran Jankin, Bruce Patrick Graham, Rachamadugu Sivaprasad, Douglas R. Millward
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Patent number: 11091848Abstract: A component can be formed having an integral monolithic body. The integral monolithic body can be formed utilizing electroforming processes such as electrodeposition of metal alloys. The electroformed monolithic body can be formed utilizing multiple anodes powered by multiple power sources. The monolithic body can have differing local material properties determined during formation of the component.Type: GrantFiled: May 11, 2017Date of Patent: August 17, 2021Assignee: Unison Industries, LLCInventors: Gordan Tajiri, Donald Templeton, Dattu G V Jonnalagadda, Yanzhe Yang
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Patent number: 11021802Abstract: A method of forming a strengthened component includes forming a sacrificial material into a mold of the component having an outer surface, disposing an insert having an inner surface and an outer surface opposite and spaced from the inner surface such that the strengthening insert inner surface abuts the mold outer surface, forming the component by way of electrodisposition of a metallic layer over the exposed mold outer surface and the exposed strengthening insert outer surface, and removing the sacrificial material from the component.Type: GrantFiled: April 28, 2017Date of Patent: June 1, 2021Assignee: Unison Industries, LLCInventors: Dattu G V Jonnalagadda, Sebastian Merin, Balaraju Suresh, Daniel Dyer, Gordon Tajiri, Yanzhe Yang
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Patent number: 11008943Abstract: An apparatus and method for cooling a fluid within a turbine engine. A 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 includes a body to confront the peripheral wall with at least one conduit configured to carry a flow of heated fluid to convectively cool the heated fluid with a flow of air through the flow path.Type: GrantFiled: January 13, 2017Date of Patent: May 18, 2021Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Michael Thomas Kenworthy, Dennis Alan McQueen, Dattu G V Jonnalagadda
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Patent number: 10704718Abstract: A flexible joint assembly for a joint between a first duct and a second duct for providing a flow of fluid, such as bleed air in an aviation implementation. The flexible joint includes a bellows supported by a mounting assembly having a first support and a second support, provided within the interior of the bellows. A rod assembly can operably couple the first support and the second support.Type: GrantFiled: January 25, 2017Date of Patent: July 7, 2020Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu G V Jonnalagadda, Jason Levi Burdette, Lonnie Ray Stewart, Jr.
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Publication number: 20200190681Abstract: Aspects of the disclosure generally relate to an electroforming apparatus and method, including a support frame with at least one anode housing having a predetermined housing geometry. At least one anode can be carried by the at least one anode housing, and the at least one anode can also include a predetermined geometry.Type: ApplicationFiled: December 13, 2018Publication date: June 18, 2020Inventors: Gordon Tajiri, Emily Marie Phelps, Daniel Dyer, Joseph Richard Schmitt, Dattu G.V. Jonnalagadda
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Patent number: 10654103Abstract: The present disclosure discloses a method of manufacturing a structure with a wall, comprising manufacturing a structure with a wall by using additive manufacturing technology, and dissolving a surface of the wall for reducing thickness of the wall.Type: GrantFiled: September 20, 2018Date of Patent: May 19, 2020Assignees: General Electric Company, Unison Industries, LLCInventors: Dattu G. V. Jonnalagadda, Srinivasan Swaminathan, Yanzhe Yang, Ramana Reddy Kollam, Merin Sebastian, Emily Phelps
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Publication number: 20200094324Abstract: The present disclosure discloses a method of manufacturing a structure with a wall, comprising manufacturing a structure with a wall by using additive manufacturing technology, and dissolving a surface of the wall for reducing thickness of the wall.Type: ApplicationFiled: September 20, 2018Publication date: March 26, 2020Applicant: Unison Industries, LLCInventors: Dattu G.V. Jonnalagadda, Srinivasan Swaminathan, Yanzhe Yang, Ramana Reddy Kollam, Merin Sebastian, Emily Phelps
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Patent number: 10578015Abstract: A flexible joint assembly for a joint between a first duct and a second duct for providing a flow of fluid, such as bleed air in an aviation implementation. The flexible joint includes a bellows supported by a mounting assembly having a first support and a second support, each surrounding a portion of the bellows. A set of rod assemblies can operably couple the first support and the second support.Type: GrantFiled: January 25, 2017Date of Patent: March 3, 2020Assignee: Unison Industries, LLCInventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu G V Jonnalagadda, Jason Levi Burdette, Lonnie Ray Stewart, Jr.
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Publication number: 20190093800Abstract: A tube coupling assembly is disclosed, which comprises a first connector for connecting to a tube; a second connector for jointing with the first connector; a first member is adapted to mount on the first connector and operably affixable to the second connector; and a second member is adapted to mount on the second connector, and is capable of being engaged with the first member to prevent separation between the first connector and the second connector.Type: ApplicationFiled: September 27, 2017Publication date: March 28, 2019Inventors: Greedaran Kubendran Jankin, Vinod Shashikant Chaudhari, Dattu G.V. Jonnalagadda, Sandeep Kumar, Rachamadugu Sivaprasad, Ramana Reddy Kollam, Merin Sebastian
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Publication number: 20170321562Abstract: A feeder duct assembly for a gas turbine engine, which negates the need for a ball or axial joint in the duct for required for flexibility under thermal loading. The feeder duct assembly of the present innovation comprises an end fitting designed to meet flexibility requirements without compromising dynamic performance of the system with added weight from ball or axial joints in the ducts.Type: ApplicationFiled: May 4, 2017Publication date: November 9, 2017Inventors: Dattu G V JONNALAGADDA, Greedaran Kubendran JANKIN, Bruce Patrick GRAHAM, Rachamadugu SIVAPRASAD, Douglas MILLWARD
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Patent number: 9677474Abstract: A surface heat exchanger is provided which utilizes forward and aft brackets to retain the heat exchanger in position. The surface heat exchanger includes a plurality of core cooling channels as well as fins which are disposed for air flow through the gas turbine engine. The brackets include a low-friction wear material as well as an isolator sheet which provides some spring force on the heat exchanger.Type: GrantFiled: November 18, 2013Date of Patent: June 13, 2017Assignee: UNISON INDUSTRIES, LLCInventors: Walter Arthur Hundley, Jr., Derek Thomas Dreischarf, Dattu G V Jonnalagadda, Mark Phillip Drake