Patents by Inventor Yoonhan EO

Yoonhan EO 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).

  • ENGINE HAVING VARIABLE VALVE TIMING DEVICE
    Publication number: 20150068474
    Abstract: An engine having a variable valve timing device of the present invention may include a valve disposed to open/close a port, an elastic member for supporting the valve elastically to close the port, a first camshaft having a first cam formed thereon for moving the valve to open the port as the first camshaft rotates, a second camshaft having a second cam formed thereon for moving the valve to close the port as the second camshaft rotates, a first variable rotation mechanism for advancing or retarding the rotation of the first camshaft, and a second variable rotation mechanism for advancing or retarding the rotation of the second camshaft.
    Type: Application
    Filed: December 24, 2013
    Publication date: March 12, 2015
    Applicant: Hyundai Motor Company
    Inventors: Dongsun KIM, Yoonhan EO