Patents by Inventor Tetsuro MASUMA

Tetsuro MASUMA 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).

  • Engine system control apparatus and vehicle
    Patent number: 9771858
    Abstract: An engine system is mounted on a vehicle and includes an engine and a turbocharger. The engine system control apparatus includes: a driving state identifier that identifies a driving state of the vehicle from a plurality of driving states; a surge determiner that determines whether a surge condition as a condition under which a surge noise is generated is satisfied, based on the identified driving state of the vehicle and an operating state of the engine; and a variable nozzle controller that controls, based on the identified driving state of the vehicle and the operating state of the engine, an opening degree of a variable nozzle of the turbocharger to be varied in an open direction, upon determination by the surge determiner that the surge condition is satisfied.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: September 26, 2017
    Assignee: Subaru Corporation
    Inventors: Tetsuro Masuma, Tazuki Watanabe, Hiroshi Kato
  • ENGINE SYSTEM CONTROL APPARATUS AND VEHICLE
    Publication number: 20160153353
    Abstract: An engine system is mounted on a vehicle and includes an engine and a turbocharger. The engine system control apparatus includes: a driving state identifier that identifies a driving state of the vehicle from a plurality of driving states; a surge determiner that determines whether a surge condition as a condition under which a surge noise is generated is satisfied, based on the identified driving state of the vehicle and an operating state of the engine; and a variable nozzle controller that controls, based on the identified driving state of the vehicle and the operating state of the engine, an opening degree of a variable nozzle of the turbocharger to be varied in an open direction, upon determination by the surge determiner that the surge condition is satisfied.
    Type: Application
    Filed: November 18, 2015
    Publication date: June 2, 2016
    Inventors: Tetsuro MASUMA, Tazuki Watanabe, Hiroshi Kato