Patents by Inventor Jin Bong Ha

Jin Bong Ha 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).

  • Rotary machine, gas turbine including same, and rotary machine assembly method
    Patent number: 11702942
    Abstract: A rotary machine is provided. The rotary machine includes a rotor disk including a plurality of slots, a plurality of blades mounted on an outer circumferential surface of the rotor disk, each of the blades having a root part inserted into an associated one of the slots, and a retainer restraining axial movement of the plurality of blades, wherein the retainer includes an inner fixing member inserted into a bottom of the slot, an outer fixing member inserted into a lower surface of the root part to abut against the inner fixing member, and a spacer inserted between the outer fixing member and the bottom of the slot to prevent the outer fixing member from being separated.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: July 18, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Iurii Goroshchak, Jin Bong Ha
  • ROTARY MACHINE, GAS TURBINE INCLUDING SAME, AND ROTARY MACHINE ASSEMBLY METHOD
    Publication number: 20220243599
    Abstract: A rotary machine is provided. The rotary machine includes a rotor disk including a plurality of slots, a plurality of blades mounted on an outer circumferential surface of the rotor disk, each of the blades having a root part inserted into an associated one of the slots, and a retainer restraining axial movement of the plurality of blades, wherein the retainer includes an inner fixing member inserted into a bottom of the slot, an outer fixing member inserted into a lower surface of the root part to abut against the inner fixing member, and a spacer inserted between the outer fixing member and the bottom of the slot to prevent the outer fixing member from being separated.
    Type: Application
    Filed: January 4, 2022
    Publication date: August 4, 2022
    Inventors: Iurii GOROSHCHAK, Jin Bong HA
  • Apparatus for controlling turbine blade tip clearance and gas turbine including the same
    Patent number: 11293297
    Abstract: An apparatus for controlling turbine blade tip clearance is provided.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: April 5, 2022
    Inventors: Oleksiy Korepin, Jin Bong Ha
  • APPARATUS FOR CONTROLLING TURBINE BLADE TIP CLEARANCE AND GAS TURBINE INCLUDING THE SAME
    Publication number: 20210396146
    Abstract: An apparatus for controlling turbine blade tip clearance is provided.
    Type: Application
    Filed: April 14, 2021
    Publication date: December 23, 2021
    Inventors: Oleksiy Korepin, Jin Bong Ha