Patents by Inventor Dong Gwan ROH

Dong Gwan ROH 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).

  • Low-noise pocket-type wheel guard
    Patent number: 11724656
    Abstract: A low-noise pocket-type wheel guard is provided and includes a guard that is installed to face a surface of a tire in a vehicle, in which a noise reduction pocket is formed to protrude toward an interior of the vehicle in the guard. Since the noise reduction pocket is formed on the end portion of the wheel guard, in which a sound field is expected to be formed due to tire pattern noise, formation of a sound field due to the tire pattern noise is disturbed and prevented.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: August 15, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jong-Hyun Lee, Byung-Chul Son, Eric Jin Ser Lee, Ju-Wan Yi, Dong-Gwan Roh
  • Variable steering wheel damper using electromagnet
    Patent number: 11352045
    Abstract: A steering wheel damper may include a plate fastened to a hub of a steering wheel; one or more posts each having one side fixed to a surface of the plate and the other side extending perpendicular to the surface of the plate; a mass body spaced from the plate, attached to the other side of the post, supported by the posts, and having upper and lower portions configured as magnet bodies having different polarities; and an electromagnet made by winding a coil around a core fixed to the surface of the plate.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: June 7, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byung-Chul Son, Dong-Gwan Roh
  • LOW-NOISE POCKET-TYPE WHEEL GUARD
    Publication number: 20210206332
    Abstract: A low-noise pocket-type wheel guard is provided and includes a guard that is installed to face a surface of a tire in a vehicle, in which a noise reduction pocket is formed to protrude toward an interior of the vehicle in the guard. Since the noise reduction pocket is formed on the end portion of the wheel guard, in which a sound field is expected to be formed due to tire pattern noise, formation of a sound field due to the tire pattern noise is disturbed and prevented.
    Type: Application
    Filed: May 11, 2020
    Publication date: July 8, 2021
    Inventors: Jong-Hyun Lee, Byung-Chul Son, Eric Jin Ser Lee, Ju-Wan Yi, Dong-Gwan Roh
  • VARIABLE STEERING WHEEL DAMPER USING ELECTROMAGNET
    Publication number: 20210061338
    Abstract: A steering wheel damper may include a plate fastened to a hub of a steering wheel; one or more posts each having one side fixed to a surface of the plate and the other side extending perpendicular to the surface of the plate; a mass body spaced from the plate, attached to the other side of the post, supported by the posts, and having upper and lower portions configured as magnet bodies having different polarities; and an electromagnet made by winding a coil around a core fixed to the surface of the plate.
    Type: Application
    Filed: April 24, 2020
    Publication date: March 4, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byung-Chul SON, Dong-Gwan ROH
  • PURGE CONTROL SOLENOID VALVE FOR REDUCING NOISE
    Publication number: 20120318242
    Abstract: A purge control solenoid valve apparatus for reducing noise, may include a valve housing having an upper connector and a lower connector to be in communication with each other in upper and lower parts thereof and a plunger for opening the upper connector when the plunger receives a magnetic force, and a chamber housing including a canister connector connected to a canister through an evaporation hose and an expansion space part expandably connecting the canister connector and the lower connector.
    Type: Application
    Filed: December 11, 2011
    Publication date: December 20, 2012
    Applicant: Hyundai Motor Company
    Inventors: Dong Gwan ROH, Cha Sub Lim