Patents by Inventor Doo Il Won

Doo Il Won 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).

  • Apparatus and method for learning engine friction torque of hybrid vehicle
    Patent number: 9914450
    Abstract: The present disclosure provides a technology of determining an engine friction torque even when idling of an engine is not performed, by providing a certain engine Revolutions per Minute (RPM) in stop state of the engine using Hybrid Starter & Generator (HSG) connected to an engine pulley. The present disclosure provides a technology of determining an accurate engine friction torque using a torque provided from the outside of an engine instead of a torque generated the engine itself.
    Type: Grant
    Filed: December 5, 2015
    Date of Patent: March 13, 2018
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyun Mo Ahn, Yun Chan Heo, In Tak Kim, Doo Il Won, Hae Seung Lee, Yeong Jin Nam
  • APPARATUS AND METHOD FOR LEARNING ENGINE FRICTION TORQUE OF HYBRID VEHICLE
    Publication number: 20160297421
    Abstract: The present disclosure provides a technology of determining an engine friction torque even when idling of an engine is not performed, by providing a certain engine Revolutions per Minute (RPM) in stop state of the engine using Hybrid Starter & Generator (HSG) connected to an engine pulley. The present disclosure provides a technology of determining an accurate engine friction torque using a torque provided from the outside of an engine instead of a torque generated the engine itself.
    Type: Application
    Filed: December 5, 2015
    Publication date: October 13, 2016
    Inventors: Hyun Mo Ahn, Yun Chan Heo, In Tak Kim, Doo Il Won, Hae Seung Lee, Yeong Jin Nam