Patents by Inventor Chadol KIM

Chadol KIM 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).

  • Patent number: 11548507
    Abstract: A controller includes a control unit which is configured to execute a coast stop control. The coast stop control is configured to perform automatic stopping of the drive source while the vehicle is traveling, when a permitting condition is satisfied, the permitting condition including a condition that a speed ratio R of the variator is lower than a first threshold R1 while the lock-up clutch is in an engaged phase. The control unit is configured to prohibit execution of the coast stop control in a case in which an input-output rotation speed difference of the torque converter is equal to or more than a predetermined value when the lock-up clutch is in the engaged phase.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 10, 2023
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Jonghwan Lee, Tomohiro Utagawa, Chadol Kim
  • Publication number: 20220032915
    Abstract: A controller includes a control unit which is configured to execute a coast stop control. The coast stop control is configured to perform automatic stopping of the drive source while the vehicle is traveling, when a permitting condition is satisfied, the permitting condition including a condition that a speed ratio R of the variator is lower than a first threshold R1 while the lock-up clutch is in an engaged phase. The control unit is configured to prohibit execution of the coast stop control in a case in which an input-output rotation speed difference of the torque converter is equal to or more than a predetermined value when the lock-up clutch is in the engaged phase.
    Type: Application
    Filed: November 22, 2019
    Publication date: February 3, 2022
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventors: Jonghwan LEE, Tomohiro UTAGAWA, Chadol KIM