Patents by Inventor Young Chong Chung

Young Chong Chung 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).

  • Variable valve driving apparatus
    Patent number: 8596236
    Abstract: A variable valve driving apparatus includes a driving shaft including a first camshaft and a second camshaft coaxially disposed to the first camshaft, a driving cam including an opening cam disposed to the first camshaft and a closing cam disposed to the second camshaft, a phase control portion controlling relative phases between the first camshaft and the second camshaft and a valve opening portion opened by the opening cam and the closing cam.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: December 3, 2013
    Assignee: Hyundai Motor Company
    Inventors: Young Chong Chung, Tae Hoon Roh
  • VARIABLE VALVE DRIVING APPARATUS
    Publication number: 20120137999
    Abstract: A variable valve driving apparatus includes a driving shaft including a first camshaft and a second camshaft coaxially disposed to the first camshaft, a driving cam including an opening cam disposed to the first camshaft and a closing cam disposed to the second camshaft, a phase control portion controlling relative phases between the first camshaft and the second camshaft and a valve opening portion opened by the opening cam and the closing cam.
    Type: Application
    Filed: June 23, 2011
    Publication date: June 7, 2012
    Applicant: Hyundai Motor Company
    Inventors: Young Chong Chung, Tae Hoon Roh