Patents by Inventor YounKoo Jeong

YounKoo Jeong 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).

  • Publication number: 20220314545
    Abstract: Additive manufacturing apparatuses, components of additive manufacturing apparatuses, and methods of using such manufacturing apparatuses and components are disclosed. An additive manufacturing apparatus may include a recoat head for distributing build material in a build area, a print head for depositing material in the build area, one or more actuators for moving the recoat head and the print head relative to the build area, and a cleaning station for cleaning the print head.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 6, 2022
    Inventors: Vadim Bromberg, John Sterle, Victor Fulton, Tyler Andrew Griffith, Peter Douglas Lueschen, Carlos H. Bonilla, Joseph L. Smolenski, Timothy Francis Andrews, Younkoo Jeong, Jacob Mayer, Kwok Pong Chan, Mary Kathryn Thompson, Ruben E. Fairman
  • Publication number: 20220314329
    Abstract: Additive manufacturing apparatuses are disclosed. In one embodiment, an additive manufacturing apparatus may comprise a support chassis including a print bay, a build bay, and a material supply bay. Each bay may comprise an upper compartment and a lower compartment. A working surface may separate each of the print bay, the build bay, and the material supply bay into the upper compartment and the lower compartment, wherein: the build bay may be disposed between the print bay and the material supply bay. The lower compartment of the build bay comprises bulkheads sealing the lower compartment of the build bay from the lower compartment of the print bay and the lower compartment of the material supply bay.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 6, 2022
    Inventors: Vadim Bromberg, John Sterle, Victor Fulton, Tyler Andrew Griffith, Peter Douglas Lueschen, Carlos H. Bonilla, Joseph L. Smolenski, Timothy Francis Andrews, Younkoo Jeong
  • Publication number: 20220258236
    Abstract: Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
    Type: Application
    Filed: May 22, 2020
    Publication date: August 18, 2022
    Applicant: General Electric Company
    Inventors: Timothy Francis Andrews, Carlos H. Bonilla, Vadim Bromberg, Victor Fulton, Tyler Andrew Griffith, Younkoo Jeong, John Sterle
  • Publication number: 20220242044
    Abstract: Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
    Type: Application
    Filed: May 22, 2020
    Publication date: August 4, 2022
    Applicant: General Electric Company
    Inventors: Timothy Francis Andrews, Carlos H. Bonilla, Vadim Bromberg, Victor Fulton, Tyler Andrew Griffith, Younkoo Jeong, Jacob Mayer, John Sterle, Stephen M. Deak, Justin Gandee, Tyler Hater, Grant Alan Ingram, Peter Douglas Lueschen
  • Publication number: 20220234295
    Abstract: Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 28, 2022
    Applicant: General Electric Company
    Inventors: Tyler Andrew Griffith, Victor Fulton, Vadim Bromberg, Carlos H. Bonilla, Younkoo Jeong, Timothy Francis Andrews, John Sterle, Tyler Hater
  • Publication number: 20220234109
    Abstract: Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 28, 2022
    Applicant: General Electric Company
    Inventors: Timothy Francis Andrews, Carlos H. Bonilla, Vadim Bromberg, Victor Fulton, Tyler Andrew Griffith, Younkoo Jeong, John Sterle, Grant Alan Ingram
  • Patent number: 11224940
    Abstract: A powder bed containment system for use with a rotating direct metal laser melting (DMLM) system includes an annular build plate, which includes an inner wall, an outer wall concentric with the inner wall and spaced radially apart from the inner wall, and a substantially planar build surface extending between the inner wall and the outer wall, where the substantially planar build surface is arranged to receive a weldable powder for manufacture of an object.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: January 18, 2022
    Assignee: General Electric Company
    Inventors: William Thomas Carter, Zhen Liu, Younkoo Jeong, Michael Robert Tucker
  • Patent number: 11173674
    Abstract: An applicator assembly for applying pressure to a composite structure includes an external frame, an applicator casing disposed substantially within the external frame, and an applicator disposed substantially within the applicator casing. The applicator casing includes a first membrane, and a first jamming material disposed within the first membrane. The applicator includes a second membrane, and a second jamming material disposed within said second membrane.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: November 16, 2021
    Assignee: General Electric Company
    Inventors: Matthew Harper Hockemeyer, Younkoo Jeong, James Duvall Bollacker, Shatil Sinha
  • Patent number: 11141818
    Abstract: A direct metal laser melting (DMLM) system includes a rotatable base, and a build plate mounted on and supported by the rotatable base, where the build plate includes a build surface. The DMLM system also includes a first actuator assembly, a first powder dispenser disposed proximate the build plate and configured to deposit a weldable powder on the build surface of the build plate. In addition, the DMLM system includes a first powder spreader disposed proximate the build plate and configured to spread the weldable powder deposited on the build surface of the build plate, and a first laser scanner supported by the first actuator assembly in a position relative to the build plate, such that at least a portion of the build surface is within a field of view of the first laser scanner. The first laser scanner is configured to selectively weld the weldable powder. The first laser scanner is further configured to translate axially relative to the build surface on the first actuator assembly.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: October 12, 2021
    Assignee: General Electric Company
    Inventors: William Thomas Carter, Todd Jay Rockstroh, Brian Scott McCarthy, Subhrajit Roychowdhury, Younkoo Jeong, David Charles Bogdan, Jr.
  • Publication number: 20210170680
    Abstract: A binder jet printing apparatus (10), along with methods of its use, is provided. The binder jet printing apparatus (10) may include: a job box (18) having a actuatable build plate (46) therein; a supply box (54) having a bottom platform (56) that is actuatable within the supply box (54); a print system including at least one print head (32) connected to a binder source (38) and configured to apply a pattern of binder onto an exposed powder layer (42) over the build plate (46) of the job box (18); a recoat system (16) including a recoater configured to move from the supply box (54) to the job box (18) to transfer powder from the supply box (54) to the job box (18) so as to form a new powder layer (48) over the build plate (46) of the job box (18); and a cure system (14) configured to direct electromagnetic radiation onto the job box (18).
    Type: Application
    Filed: December 7, 2018
    Publication date: June 10, 2021
    Inventors: Vadim Bromberg, Victor Wayne Fulton, Carlos H. Bonilla, Travis Gene Sands, Brian Harlow Farrell, Joseph Lucian Smolenski, Younkoo Jeong, Glen Charles Fedyk
  • Patent number: 10821713
    Abstract: A device for the placement of material on a surface includes a housing, a motor coupled to the housing, and a driving component coupled to the housing and powered by the motor. The device further includes at least one guide chute defining a guide channel with the driving component. The device further includes a layup roller coupled to the housing adjacent the guide channel. The layup roller includes a roller surface and the guide channel is configured to discharge a quantity of material to the roller surface. The layup roller is configured to deposit the material onto the surface.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: November 3, 2020
    Assignee: General Electric Company
    Inventors: Shatil Sinha, James Duvall Bollacker, Matthew Harper Hockemeyer, Nitin Garg, Younkoo Jeong
  • Patent number: 10801549
    Abstract: An axial load management system for a turbomachine including a rotating drivetrain, a thrust bearing assembly, a sensor, and a valve supply line. The rotating drivetrain includes a compressor section and an expander section fluidly coupled together by a closed flowpath. The thrust bearing assembly includes a thrust runner, a thrust bearing housing, and a gas thrust bearing extending between the thrust runner and the thrust bearing housing. Further, the gas thrust bearing supports the rotating drivetrain. The sensor is attached to at least one of the thrust bearing housing or the gas thrust bearing. The valve supply line is fluidly coupled to the closed flowpath. A valve positioned within the valve supply line selectively allows a working fluid to flow between the closed flowpath and a thrust chamber defined by a rotating surface and a fixed surface to modify an axial load on the rotating drivetrain.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: October 13, 2020
    Assignee: General Electric Company
    Inventors: Bugra Han Ertas, Douglas Carl Hofer, Younkoo Jeong
  • Patent number: 10738272
    Abstract: A heating assembly for a bioreactor is disclosed. The heating assembly includes a holder having a plurality of segments coupled to each other to define a unitary structure and a heating component coupled to at least one segment of the plurality of segments. The unitary structure includes a top end, a bottom end, and a side wall. The side wall extends between the top end and the bottom end and along a circumferential direction of the heating assembly to define a cavity. At least a portion of the unitary structure has a gradually varied perimeter along a direction perpendicular to a plane which intersects the side wall and is parallel to the top end and the bottom end.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: August 11, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Ying Mao, Weston Blaine Griffin, Younkoo Jeong
  • Publication number: 20200223160
    Abstract: An applicator assembly for applying pressure to a composite structure includes an external frame, an applicator casing disposed substantially within the external frame, and an applicator disposed substantially within the applicator casing. The applicator casing includes a first membrane, and a first jamming material disposed within the first membrane. The applicator includes a second membrane, and a second jamming material disposed within said second membrane.
    Type: Application
    Filed: March 31, 2020
    Publication date: July 16, 2020
    Inventors: Matthew Harper Hockemeyer, Younkoo Jeong, James Duvall Bollacker, Shatil Sinha
  • Patent number: 10639855
    Abstract: An applicator assembly for applying pressure to a composite structure includes an external frame, an applicator casing disposed substantially within the external frame, and an applicator disposed substantially within the applicator casing. The applicator casing includes a first membrane, and a first jamming material disposed within the first membrane. The applicator includes a second membrane, and a second jamming material disposed within said second membrane.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: May 5, 2020
    Assignee: General Electric Company
    Inventors: Matthew Harper Hockemeyer, Younkoo Jeong, James Duvall Bollacker, Shatil Sinha
  • Publication number: 20190368549
    Abstract: An axial load management system for a turbomachine including a rotating drivetrain, a thrust bearing assembly, a sensor, and a valve supply line. The rotating drivetrain includes a compressor section and an expander section fluidly coupled together by a closed flowpath. The thrust bearing assembly includes a thrust runner, a thrust bearing housing, and a gas thrust bearing extending between the thrust runner and the thrust bearing housing. Further, the gas thrust bearing supports the rotating drivetrain. The sensor is attached to at least one of the thrust bearing housing or the gas thrust bearing. The valve supply line is fluidly coupled to the closed flowpath. A valve positioned within the valve supply line selectively allows a working fluid to flow between the closed flowpath and a thrust chamber defined by a rotating surface and a fixed surface to modify an axial load on the rotating drivetrain.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 5, 2019
    Inventors: Bugra Han Ertas, Douglas Carl Hofer, Younkoo Jeong
  • Patent number: 10393107
    Abstract: A pumping control unit is disclosed herein. The pumping control unit includes a processor coupled to a memory and a communication interface. The memory is configured to store an invariant matrix. The communication interface is configured to receive a plurality of measurements of a time-varying parameter for a rod pumping unit. The plurality of measurements is taken at a surface of a pumping site over a pump cycle for a sucker rod string. The processor is configured to gain access to the invariant matrix in the memory and the plurality of measurements from the communication interface. The processor is further configured to compute a Fourier coefficient array based on the invariant matrix and the plurality of measurements. The processor is further configured to compute a time-varying downhole parameter based on the Fourier coefficient array and a sucker rod string model.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: August 27, 2019
    Assignee: General Electric Company
    Inventors: Younkoo Jeong, Ying Mao, Zengshi Chen, Shyam Sivaramakrishnan
  • Publication number: 20190240781
    Abstract: A direct metal laser melting (DMLM) system includes a rotatable base, and a build plate mounted on and supported by the rotatable base, where the build plate includes a build surface. The DMLM system also includes a first actuator assembly, a first powder dispenser disposed proximate the build plate and configured to deposit a weldable powder on the build surface of the build plate. In addition, the DMLM system includes a first powder spreader disposed proximate the build plate and configured to spread the weldable powder deposited on the build surface of the build plate, and a first laser scanner supported by the first actuator assembly in a position relative to the build plate, such that at least a portion of the build surface is within a field of view of the first laser scanner. The first laser scanner is configured to selectively weld the weldable powder. The first laser scanner is further configured to translate axially relative to the build surface on the first actuator assembly.
    Type: Application
    Filed: February 5, 2018
    Publication date: August 8, 2019
    Inventors: William Thomas Carter, Todd Jay Rockstroh, Brian Scott McCarthy, Subhrajit Roychowdhury, Younkoo Jeong, David Charles Bogdan, JR.
  • Publication number: 20190240774
    Abstract: A powder bed containment system for use with a rotating direct metal laser melting (DMLM) system includes an annular build plate, which includes an inner wall, an outer wall concentric with the inner wall and spaced radially apart from the inner wall, and a substantially planar build surface extending between the inner wall and the outer wall, where the substantially planar build surface is arranged to receive a weldable powder for manufacture of an object.
    Type: Application
    Filed: February 5, 2018
    Publication date: August 8, 2019
    Inventors: William Thomas Carter, Zhen Liu, Younkoo Jeong, Michael Robert Tucker
  • Publication number: 20190202101
    Abstract: An additive manufacturing system is provided. The additive manufacturing system includes a build platform and at least one workstation. The build platform defines a continuous workflow path and is configured to rotate about a build platform axis. The workstation is spaced apart from the build platform along the third direction and at least one of the build platform and the workstation is configured to move along the third direction. The workstation includes at least one particle delivery device, at least one recoating device, and at least one consolidation device. The particle delivery device is configured to deposit particles on the build platform. The recoating device is configured to distribute the deposited particles to form a build layer on the build platform. The consolidation device is configured to consolidate at least a portion of the build layer.
    Type: Application
    Filed: January 3, 2018
    Publication date: July 4, 2019
    Inventors: Michael Robert Tucker, Younkoo Jeong, William Thomas Carter