Patents by Inventor Akira NAKAINKYO

Akira NAKAINKYO 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).

  • Lock-up disengagement control device for automatic transmission
    Patent number: 11460103
    Abstract: A lockup disengagement control device for an automatic transmission including a torque converter including a lockup clutch, and a lockup control section, the lockup disengagement control device includes: when a brake is operated from a brake OFF to a brake ON during a coast traveling in an engagement state of the lockup clutch, the lockup control section being configured to sense an initial deceleration by the brake ON operation, and to set a lockup release vehicle speed to be higher as an absolute value of the initial deceleration is greater, and when a vehicle speed is sensed to be equal to or smaller than the set lockup release vehicle speed in a middle of a brake deceleration scene by the brake ON operation, the lockup control section being configured to disengage the lockup clutch.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: October 4, 2022
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Koji Saito, Akira Nakainkyo, Naoyasu Ikeda, Xuming Wang
  • LOCK-UP DISENGAGEMENT CONTROL DEVICE FOR AUTOMATIC TRANSMISSION
    Publication number: 20200355264
    Abstract: A lockup disengagement control device for an automatic transmission including a torque converter including a lockup clutch, and a lockup control section, the lockup disengagement control device includes: when a brake is operated from a brake OFF to a brake ON during a coast traveling in an engagement state of the lockup clutch, the lockup control section being configured to sense an initial deceleration by the brake ON operation, and to set a lockup release vehicle speed to be higher as an absolute value of the initial deceleration is greater, and when a vehicle speed is sensed to be equal to or smaller than the set lockup release vehicle speed in a middle of a brake deceleration scene by the brake ON operation, the lockup control section being configured to disengage the lockup clutch.
    Type: Application
    Filed: January 17, 2019
    Publication date: November 12, 2020
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventors: Koji SAITO, Akira NAKAINKYO, Naoyasu IKEDA, Xuming WANG