Patents by Inventor Yoshirou Tokunaga

Yoshirou Tokunaga 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).

  • Gas engine, control system and control method for gas engine
    Patent number: 9291125
    Abstract: A control system in a gas engine includes a water injection means which injects water toward an interior of a cylinder in the gas engine; a water injection control means which controls the water injection section; and a knocking occurrence ratio measuring means which measures a measurement value of a knocking occurrence ratio in the cylinder. The water injection control means controls the water injection means to set the amount of the water injected toward the interior of the cylinder, based on a deviation between the measurement value and a target value.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: March 22, 2016
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shintaro Yoshihara, Youhei Nakajima, Hidekazu Iwasaki, Kenji Yoshimura, Yoshishige Sakai, Yoshirou Tokunaga
  • GAS ENGINE, CONTROL SYSTEM AND CONTROL METHOD FOR GAS ENGINE
    Publication number: 20140102403
    Abstract: A control system in a gas engine includes a water injection means which injects water toward an interior of a cylinder in the gas engine; a water injection control means which controls the water injection section; and a knocking occurrence ratio measuring means which measures a measurement value of a knocking occurrence ratio in the cylinder. The water injection control means controls the water injection means to set the amount of the water injected toward the interior of the cylinder, based on a deviation between the measurement value and a target value.
    Type: Application
    Filed: April 16, 2012
    Publication date: April 17, 2014
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shintaro Yoshihara, Youhei Nakajima, Hidekazu Iwasaki, Kenji Yoshimura, Yoshishige Sakai, Yoshirou Tokunaga