Patents by Inventor Mitsuo Gunji

Mitsuo Gunji 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).

  • Variable valve actuating mechanism for internal combustion engine
    Patent number: 7107950
    Abstract: A lift and operating angle varying mechanism is arranged to vary an intake valve operation angle and an intake valve lift of the engine continuously by rotating a control shaft with an actuator disposed at an end of the control shaft which is rotatably supported by a plurality of bearings. A lubricating oil is supplied to the bearings so as to reduce nonuniformity in temperature distribution of the control shaft in the longitudinal direction.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: September 19, 2006
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tsuyoshi Arinaga, Takanobu Sugiyama, Mitsuo Gunji, Shin Ishizaki
  • Variable valve actuating mechanism for internal combustion engine
    Publication number: 20050120988
    Abstract: A lift and operating angle varying mechanism is arranged to vary an intake valve operation angle and an intake valve lift of the engine continuously by rotating a control shaft with an actuator disposed at an end of the control shaft which is rotatably supported by a plurality of bearings. A lubricating oil is supplied to the bearings so as to reduce nonuniformity in temperature distribution of the control shaft in the longitudinal direction.
    Type: Application
    Filed: December 2, 2004
    Publication date: June 9, 2005
    Inventors: Tsuyoshi Arinaga, Takanobu Sugiyama, Mitsuo Gunji, Shin Ishizaki