Patents by Inventor Junji Yasunobe

Junji Yasunobe 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).

  • Oil seal for bearings of turbocharger
    Patent number: 4392752
    Abstract: An oil seal for bearing of turbocharger is constructed so as to have an excellent sealing effect in which a lubricating oil flowing through the oil seal is subjected to the centrifugal force in such a way that the lubricating oil is forced to return toward a lubricating oil chamber.
    Type: Grant
    Filed: August 6, 1981
    Date of Patent: July 12, 1983
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masami Shimizu, Junji Yasunobe
  • Oil seal system for shaft of turbocharger
    Patent number: 4389052
    Abstract: An oil seal system for the shaft of a turbocharger has an oil-trapping chamber formed by an oil thrower, thrust metal, and seals arranged so as to prevent the leakage of the lubricant into the blower.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: June 21, 1983
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masami Shimizu, Junji Yasunobe