Patents by Inventor Minoru Toyoshima

Minoru 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).

  • Defect determining device for turbo charger
    Patent number: 7484367
    Abstract: An ECU (electronic control unit) determines whether a turbo charger is defective or not based on degree of deviation between a target boost pressure Pimtrg and an actual boost pressure Pim of the turbo charger. Further, ECU estimates exhaust gas pressure of an exhaust passage from the internal combustion engine to the turbo charger based on a state of engine operation, and determines whether or not the estimated exhaust gas pressure is relatively low. When it is determined that the exhaust gas pressure is relatively low, the manner of defect determination is changed such that the determination of defect is not readily made.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: February 3, 2009
    Assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Jidoshokki
    Inventors: Gaku Kishimoto, Minoru Toyoshima, Seigaku Tanizawa
  • Defect determining device for turbo charger
    Publication number: 20060225418
    Abstract: An ECU (electronic control unit) determines whether a turbo charger is defective or not based on degree of deviation between a target boost pressure Pimtrg and an actual boost pressure Pim of the turbo charger. Further, ECU estimates exhaust gas pressure of an exhaust passage from the internal combustion engine to the turbo charger based on a state of engine operation, and determines whether or not the estimated exhaust gas pressure is relatively low. When it is determined that the exhaust gas pressure is relatively low, the manner of defect determination is changed such that the determination of defect is not readily made.
    Type: Application
    Filed: April 7, 2006
    Publication date: October 12, 2006
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Gaku Kishimoto, Minoru Toyoshima, Seigaku Tanizawa