Patents by Inventor Keitoku IGUCHI

Keitoku IGUCHI 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).

  • Compression ratio control device and engine
    Patent number: 11053865
    Abstract: A compression ratio control device includes a compression ratio controller configured to control a compression ratio of a combustion chamber so that the maximum combustion pressure approaches a combustion pressure upper limit value (cylinder-internal-pressure upper limit value) based on a detection signal of a detector at least when an engine load is equal to or less than a predetermined load (engine full load).
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: July 6, 2021
    Assignee: IHI CORPORATION
    Inventors: Yutaka Masuda, Yoshiyuki Umemoto, Takahiro Takimoto, Jun Teramoto, Kazuki Yotsui, Keitoku Iguchi
  • COMPRESSION RATIO CONTROL DEVICE AND ENGINE
    Publication number: 20200408158
    Abstract: A compression ratio control device includes a compression ratio controller configured to control a compression ratio of a combustion chamber so that the maximum combustion pressure approaches a combustion pressure upper limit value (cylinder-internal-pressure upper limit value) based on a detection signal of a detector at least when an engine load is equal to or less than a predetermined load (engine full load).
    Type: Application
    Filed: September 15, 2020
    Publication date: December 31, 2020
    Applicant: IHI Corporation
    Inventors: Yutaka MASUDA, Yoshiyuki UMEMOTO, Takahiro TAKIMOTO, Jun TERAMOTO, Kazuki YOTSUI, Keitoku IGUCHI