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).

  • Patent number: 11927405
    Abstract: 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: Grant
    Filed: December 9, 2022
    Date of Patent: March 12, 2024
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Emily Marie Phelps, Dattu G V Jonnalagadda, Joseph Richard Schmitt
  • Patent number: 11754210
    Abstract: 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: Grant
    Filed: August 9, 2021
    Date of Patent: September 12, 2023
    Assignee: General Electric Company
    Inventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu G V Jonnalagadda, Jason L. Burdette
  • Patent number: 11686012
    Abstract: 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: Grant
    Filed: June 22, 2018
    Date of Patent: June 27, 2023
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Emily Marie Phelps, Dattu G V Jonnalagadda, Joseph Richard Schmitt, Yanzhe Yang
  • Patent number: 11591684
    Abstract: 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: Grant
    Filed: June 11, 2021
    Date of Patent: February 28, 2023
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Emily Marie Phelps, Bruce Patrick Graham, Joseph Richard Schmitt, Dattu G V Jonnalagadda, Lakshmi Krishnan
  • Patent number: 11536521
    Abstract: 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: Grant
    Filed: February 23, 2018
    Date of Patent: December 27, 2022
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Emily Marie Phelps, Dattu G V Jonnalagadda, Joseph Richard Schmitt
  • Patent number: 11408540
    Abstract: 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: Grant
    Filed: September 27, 2017
    Date of Patent: August 9, 2022
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Greedaran Kubendran Jankin, Vinod Shashikant Chaudhari, Dattu G. V. Jonnalagadda, Sandeep Kumar, Rachamadugu Sivaprasad, Ramana Reddy Kollam, Merin Sebastian
  • Publication number: 20220145829
    Abstract: 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: Application
    Filed: November 10, 2021
    Publication date: May 12, 2022
    Inventors: Naleen Kumar Verma, Daniel D. Smith, Urmi Tejaswini, Mario Alberto BolaƱos Jimenez, Dattu G.V. Jonnalagadda
  • Patent number: 11248526
    Abstract: 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: Grant
    Filed: August 28, 2017
    Date of Patent: February 15, 2022
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Michael Thomas Kenworthy, Yanzhe Yang, Dattu G. V. Jonnalagadda, Elizabeth Diane Turner
  • Patent number: 11203946
    Abstract: 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: Grant
    Filed: May 4, 2017
    Date of Patent: December 21, 2021
    Assignee: Unison Industries, LLC
    Inventors: Dattu G V Jonnalagadda, Greedaran Kubendran Jankin, Bruce Patrick Graham, Rachamadugu Sivaprasad, Douglas R. Millward
  • Patent number: 11091848
    Abstract: 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: Grant
    Filed: May 11, 2017
    Date of Patent: August 17, 2021
    Assignee: Unison Industries, LLC
    Inventors: Gordan Tajiri, Donald Templeton, Dattu G V Jonnalagadda, Yanzhe Yang
  • Patent number: 11021802
    Abstract: 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: Grant
    Filed: April 28, 2017
    Date of Patent: June 1, 2021
    Assignee: Unison Industries, LLC
    Inventors: Dattu G V Jonnalagadda, Sebastian Merin, Balaraju Suresh, Daniel Dyer, Gordon Tajiri, Yanzhe Yang
  • Patent number: 11008943
    Abstract: 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: Grant
    Filed: January 13, 2017
    Date of Patent: May 18, 2021
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Michael Thomas Kenworthy, Dennis Alan McQueen, Dattu G V Jonnalagadda
  • Patent number: 10704718
    Abstract: 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: Grant
    Filed: January 25, 2017
    Date of Patent: July 7, 2020
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu G V Jonnalagadda, Jason Levi Burdette, Lonnie Ray Stewart, Jr.
  • Publication number: 20200190681
    Abstract: 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: Application
    Filed: December 13, 2018
    Publication date: June 18, 2020
    Inventors: Gordon Tajiri, Emily Marie Phelps, Daniel Dyer, Joseph Richard Schmitt, Dattu G.V. Jonnalagadda
  • Patent number: 10654103
    Abstract: 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: Grant
    Filed: September 20, 2018
    Date of Patent: May 19, 2020
    Assignees: General Electric Company, Unison Industries, LLC
    Inventors: Dattu G. V. Jonnalagadda, Srinivasan Swaminathan, Yanzhe Yang, Ramana Reddy Kollam, Merin Sebastian, Emily Phelps
  • Publication number: 20200094324
    Abstract: 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: Application
    Filed: September 20, 2018
    Publication date: March 26, 2020
    Applicant: Unison Industries, LLC
    Inventors: Dattu G.V. Jonnalagadda, Srinivasan Swaminathan, Yanzhe Yang, Ramana Reddy Kollam, Merin Sebastian, Emily Phelps
  • Patent number: 10578015
    Abstract: 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: Grant
    Filed: January 25, 2017
    Date of Patent: March 3, 2020
    Assignee: Unison Industries, LLC
    Inventors: Gordon Tajiri, Michael Thomas Kenworthy, Dattu G V Jonnalagadda, Jason Levi Burdette, Lonnie Ray Stewart, Jr.
  • Publication number: 20190093800
    Abstract: 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: Application
    Filed: September 27, 2017
    Publication date: March 28, 2019
    Inventors: Greedaran Kubendran Jankin, Vinod Shashikant Chaudhari, Dattu G.V. Jonnalagadda, Sandeep Kumar, Rachamadugu Sivaprasad, Ramana Reddy Kollam, Merin Sebastian
  • Publication number: 20170321562
    Abstract: 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: Application
    Filed: May 4, 2017
    Publication date: November 9, 2017
    Inventors: Dattu G V JONNALAGADDA, Greedaran Kubendran JANKIN, Bruce Patrick GRAHAM, Rachamadugu SIVAPRASAD, Douglas MILLWARD
  • Patent number: 9677474
    Abstract: 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: Grant
    Filed: November 18, 2013
    Date of Patent: June 13, 2017
    Assignee: UNISON INDUSTRIES, LLC
    Inventors: Walter Arthur Hundley, Jr., Derek Thomas Dreischarf, Dattu G V Jonnalagadda, Mark Phillip Drake