Patents by Inventor Chin Chui Choi

Chin Chui Choi 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).

  • Method for controlling electric oil pump
    Patent number: 11035460
    Abstract: The present disclosure provides a method for controlling the electric oil pump for a vehicle having an idle stop and go system. The system includes a control device for controlling the operation of the electric oil pump when the vehicle is stopped and restarted again. In the system, the operation of the electric oil pump is performed by an actual RPM control applying a target RPM of the electric oil pump and a torque or a current value of the electric oil pump.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: June 15, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, MYUNG HWA IND. CO., LTD.
    Inventors: Geon Oh Dong, Chin Chui Choi, Byung Jun Hwang, Dong-Kuk Han, Chul-Wan Park