Patents by Inventor Jongyeol Yun

Jongyeol Yun 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: 20140158462
    Abstract: A variable valve for an exhaust pipe that includes a housing disposed within an exhaust line and a partition that is fixed within the housing and divides the inside of the housing into a first exhaust gas channel and a second exhaust gas channel. A gate is disposed within the housing to selectively open and close the second exhaust gas channel and a leaf spring connects the partition with the gate and opens and closes the gate using pressure of an exhaust gas.
    Type: Application
    Filed: November 22, 2013
    Publication date: June 12, 2014
    Applicants: SEJONG INDUSTRIAL CO., LTD., HYUNDAI MOTOR COMPANY
    Inventors: Hakson Han, Jongyeol Yun