Patents by Inventor Sangchul Son

Sangchul Son 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: 8720413
    Abstract: A variable compression ratio apparatus of an exhaust gas brake in an engine, may include a piston reciprocally moving in a cylinder of the engine, and an exhaust control valve that selectively communicates a combustion chamber of the cylinder with an exhaust manifold in accordance with pressure generated by the piston in the cylinder to control operating pressure of the piston.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: May 13, 2014
    Assignee: Hyundai Motor Company
    Inventors: Jin Ho Song, Sangchul Son
  • Publication number: 20110126800
    Abstract: A variable compression ratio apparatus of an exhaust gas brake in an engine, may include a piston reciprocally moving in a cylinder of the engine, and an exhaust control valve that selectively communicates a combustion chamber of the cylinder with an exhaust manifold in accordance with pressure generated by the piston in the cylinder to control operating pressure of the piston.
    Type: Application
    Filed: July 22, 2010
    Publication date: June 2, 2011
    Applicant: Hyundai Motor Company
    Inventors: Jin Ho Song, Sangchul Son