Patents by Inventor Taisuke Ikari

Taisuke Ikari 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).

  • Control device and control method for internal combustion engine
    Patent number: 9803562
    Abstract: At the time of increasing an actual intake air amount by increasing a valve overlap period of intake and exhaust valves (2; 3), an actual compression ratio is temporarily decreased to be lower than a steady-state target compression ratio. This makes it possible to increase the valve overlap period without causing interference of the intake and exhaust valves (2; 3) with a piston (8).
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: October 31, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Shinobu Kamada, Taisuke Ikari
  • Internal combustion engine control device and control method
    Patent number: 9784190
    Abstract: A target compression ratio ?(t+Tact) after a prescribed time Tact has expired from a current point of time is calculated from an intake air volume drawn into a cylinder after expiration of the prescribed time Tact from the current point of time. A control command to an electric motor that drives a variable compression ratio mechanism is calculated so as to bring an actual compression ratio ?r(t+Tact) after the prescribed time Tact into accordance with the target compression ratio ?(t+Tact) after the prescribed time Tact. This enables the actual compression ratio to follow the target compression ratio accurately.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: October 10, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Shinobu Kamada, Taisuke Ikari, Sho Ohtsu
  • INTERNAL COMBUSTION ENGINE CONTROL DEVICE AND CONTROL METHOD
    Publication number: 20160076465
    Abstract: A target compression ratio ?(t+Tact) after a prescribed time Tact has expired from a current point of time is calculated from an intake air volume drawn into a cylinder after expiration of the prescribed time Tact from the current point of time. A control command to an electric motor that drives a variable compression ratio mechanism is calculated so as to bring an actual compression ratio ?r(t+Tact) after the prescribed time Tact into accordance with the target compression ratio ?(t+Tact) after the prescribed time Tact. This enables the actual compression ratio to follow the target compression ratio accurately.
    Type: Application
    Filed: March 26, 2014
    Publication date: March 17, 2016
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Shinobu KAMADA, Taisuke IKARI, Sho OHTSU
  • CONTROL DEVICE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20150122226
    Abstract: At the time of increasing an actual intake air amount by increasing a valve overlap period of intake and exhaust valves (2; 3), an actual compression ratio is temporarily decreased to be lower than a steady-state target compression ratio. This makes it possible to increase the valve overlap period without causing interference of the intake and exhaust valves (2; 3) with a piston (8).
    Type: Application
    Filed: April 10, 2013
    Publication date: May 7, 2015
    Inventors: Shinobu Kamada, Taisuke Ikari