Patents by Inventor Junkyun RYU

Junkyun RYU 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 pressure EGR system and method for determining intake air leakage therethrough
    Patent number: 8869528
    Abstract: A method for determining intake air leakage in a low pressure EGR system may include a first step of measuring an intake air leaking amount Leak_Air, a second step of determining whether intake air may be leaked by comparing the intake air leaking amount Leak_Air and an intake air leakage determination value Leak_Air_Det with each other, and a third step of notifying leakage information against an intake air leakage when the intake air leakage may be settled.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: October 28, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Junkyun Ryu, Kihyun Baek
  • LOW PRESSURE EGR SYSTEM AND METHOD FOR DETERMINING INTAKE AIR LEAKAGE THERETHROUGH
    Publication number: 20120143459
    Abstract: A method for determining intake air leakage in a low pressure EGR system may include a first step of measuring an intake air leaking amount Leak_Air, a second step of determining whether intake air may be leaked by comparing the intake air leaking amount Leak_Air and an intake air leakage determination value Leak_Air_Det with each other, and a third step of notifying leakage information against an intake air leakage when the intake air leakage may be settled.
    Type: Application
    Filed: October 28, 2011
    Publication date: June 7, 2012
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Junkyun RYU, Kihyun Baek