Patents by Inventor Hae-Ryong Yi

Hae-Ryong Yi 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).

  • Vacuum system for die casting mold
    Patent number: 11065679
    Abstract: A vacuum system for a die casting mold, which forms vacuum inside a cavity formed between a fixed mold and a movable mold, includes: a ventilation assembly disposed between the cavity and a vacuum pump and mounted between the fixed mold and the movable mold and configured to decrease a flow rate of molten metal when the molten metal filled in the cavity flows in; and a vacuum pump forming the vacuum inside the ventilation assembly.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: July 20, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hae-Ryong Yi, Sang Min Lee
  • VACUUM SYSTEM FOR DIE CASTING MOLD
    Publication number: 20210138536
    Abstract: A vacuum system for a die casting mold, which forms vacuum inside a cavity formed between a fixed mold and a movable mold, includes: a ventilation assembly disposed between the cavity and a vacuum pump and mounted between the fixed mold and the movable mold and configured to decrease a flow rate of molten metal when the molten metal filled in the cavity flows in; and a vacuum pump forming the vacuum inside the ventilation assembly.
    Type: Application
    Filed: August 3, 2020
    Publication date: May 13, 2021
    Inventors: Hae-Ryong Yi, Sang Min Lee