Patents by Inventor Ja Un Ku

Ja Un Ku 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).

  • Patent number: 8122865
    Abstract: The present invention relates to an intake manifold for a vehicle and comprises tanks for stabilizing intaken air introduced from a throttle body; a plurality of zip tubes diverged from the tanks; a plurality of runners connected to the zip tubes and communicated with respective cylinders; and a adjustment apparatus provided at one side of the zip tubes and the runners for varying the diameter of the zip tube and the diameter of the runner according to an engine operation range. Due to the above structure, the diameter of the zip tube and the diameter of the runner can be varied continuously within the overall operating range of an engine by the adjustment apparatus. Hence, the performance of the engine can be enhanced.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: February 28, 2012
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ha Dong Bong, Ja Un Ku, Nahm Roh Joo, Seong Hyuk Kang, Su Ho Lee, Woo Tae Kim, Han Sang Kim, Hyun Il Park, Seung Yeon Yang
  • Publication number: 20090266328
    Abstract: The present invention relates to an intake manifold for a vehicle and comprises tanks for stabilizing intaken air introduced from a throttle body; a plurality of zip tubes diverged from the tanks; a plurality of runners connected to the zip tubes and communicated with respective cylinders; and a adjustment apparatus provided at one side of the zip tubes and the runners for varying the diameter of the zip tube and the diameter of the runner according to an engine operation range. Due to the above structure, the diameter of the zip tube and the diameter of the runner can be varied continuously within the overall operating range of an engine by the adjustment apparatus. Hence, the performance of the engine can be enhanced.
    Type: Application
    Filed: November 25, 2008
    Publication date: October 29, 2009
    Applicant: Hyundai Motor Company
    Inventors: Ha Dong Bong, Ja Un Ku, Nahm Roh Joo, Seong Hyuk Kang, Su Ho Lee, Woo Tae Kim, Han Sang Kim, Hyun II Park, Seung Yeon Yang