Patents by Inventor Kenta TOYOSHIMA

Kenta TOYOSHIMA 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: 11492765
    Abstract: Provided is a construction vehicle including: a rolling-use hydraulic pump coupled to an output shaft of an engine and supplying hydraulic oil to a rolling-use hydraulic circuit; a task-use hydraulic pump coupled to the output shaft of the engine and supplying the hydraulic oil to a task-use hydraulic circuit; and an overspeed suppression mechanism configured to activate the task-use hydraulic pump to suppress overspeed of the engine when a load equal to or greater than allowable rotation speed is applied from the rolling-use hydraulic pump to the output shaft of the engine.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: November 8, 2022
    Assignee: SAKAI HEAVY INDUSTRIES, LTD.
    Inventors: Shinji Ishida, Kenta Toyoshima
  • Publication number: 20210047790
    Abstract: Provided is a construction vehicle including: a rolling-use hydraulic pump coupled to an output shaft of an engine and supplying hydraulic oil to a rolling-use hydraulic circuit; a task-use hydraulic pump coupled to the output shaft of the engine and supplying the hydraulic oil to a task-use hydraulic circuit; and an overspeed suppression mechanism configured to activate the task-use hydraulic pump to suppress overspeed of the engine when a load equal to or greater than allowable rotation speed is applied from the rolling-use hydraulic pump to the output shaft of the engine.
    Type: Application
    Filed: December 12, 2018
    Publication date: February 18, 2021
    Inventors: Shinji ISHIDA, Kenta TOYOSHIMA