Patents by Inventor Sung Tae Cho

Sung Tae Cho 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).

  • Power train for hybrid electronic vehicles and method of controlling the same
    Publication number: 20070184927
    Abstract: A power train for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. Furthermore, the method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.
    Type: Application
    Filed: December 26, 2006
    Publication date: August 9, 2007
    Inventor: Sung-Tae Cho
  • Powertrain system of hybrid electric vehicle
    Patent number: 7004884
    Abstract: Shift performance of a powertrain system of a hybrid electric vehicle is enhanced by a powertrain system including a clutch, a primary motor, an automated shift gearbox (ASG) connected to the engine interposing the clutch, a secondary motor; and a differential gearbox, wherein the primary motor is disposed between an output shaft of the clutch and an input shaft of the ASG, and the secondary motor is disposed between an output shaft of the ASG and an input shaft of the differential gearbox.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: February 28, 2006
    Assignee: Hyundai Motor Company
    Inventor: Sung Tae Cho