Patents by Inventor Daisuke DOYAMA

Daisuke DOYAMA 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 apparatus for internal combustion engine
    Patent number: 10267244
    Abstract: A control apparatus for an internal combustion engine, includes: a throttle operator; an opening degree detector that detects an operation opening degree of the throttle operator; and an electronic control throttle device that opens and closes a throttle valve disposed in an intake passage of the engine, depending on the operation opening degree detected by the opening degree detector. A throttle valve opening degree of the throttle valve is set to include a zero output throttle opening degree angle at which an output of the engine becomes zero between a low rotational speed region and a high rotational speed region of the engine. The operation opening degree of the throttle operator corresponding to the zero output throttle opening degree angle is set to an opening-side angle ratio that falls within a range between 8% and 12%, both inclusive, with respect to a fully-open opening degree of the throttle operator.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 23, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Daisuke Doyama, Shogo Kanaumi, Satoru Okoshi
  • CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20180202372
    Abstract: A control apparatus for an internal combustion engine, includes: a throttle operator; an opening degree detector that detects an operation opening degree of the throttle operator; and an electronic control throttle device that opens and closes a throttle valve disposed in an intake passage of the engine, depending on the operation opening degree detected by the opening degree detector. A throttle valve opening degree of the throttle valve is set to include a zero output throttle opening degree angle at which an output of the engine becomes zero between a low rotational speed region and a high rotational speed region of the engine. The operation opening degree of the throttle operator corresponding to the zero output throttle opening degree angle is set to an opening-side angle ratio that falls within a range between 8% and 12%, both inclusive, with respect to a fully-open opening degree of the throttle operator.
    Type: Application
    Filed: December 21, 2017
    Publication date: July 19, 2018
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Daisuke DOYAMA, Shogo KANAUMI, Satoru OKOSHI