Patents by Inventor Changbae Han

Changbae Han 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: 8505438
    Abstract: The present invention relates to a cylinder liner and a method of manufacturing the cylinder liner. A cylinder liner according to the present invention has an outer surface covered by casting metal when a cylinder block is manufactured by integral casting, in which a plurality of engraved grooves is formed throughout the outer surface of the cylinder liner to increase bonding force between the casting metal and the outer surface of the cylinder liner.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: August 13, 2013
    Assignees: Yoosung Enterprise Co., Ltd., Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jongil Choi, Sangdeuk Han, Changbae Han, Jongku Park, Giseog An, Joongsoo Kim, Jinwoo Cho
  • Publication number: 20100162886
    Abstract: The present invention relates to a cylinder liner and a method of manufacturing the cylinder liner. A cylinder liner according to the present invention has an outer surface covered by casting metal when a cylinder block is manufactured by integral casting, in which a plurality of engraved grooves is formed throughout the outer surface of the cylinder liner to increase bonding force between the casting metal and the outer surface of the cylinder liner.
    Type: Application
    Filed: December 23, 2009
    Publication date: July 1, 2010
    Applicants: Yoosung Enterprise Co., Ltd., Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jongil CHOI, Sangdeuk Han, Changbae Han, Jongku Park, Giseog An, Joongsoo Kim, Jinwoo Cho