Patents by Inventor Yoh Akiyama

Yoh Akiyama 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).

  • Exhaust turbo supercharger
    Patent number: 7797936
    Abstract: An exhaust turbo supercharger is provided that is able to effectively prevent exhaust gas that has flowed into between a turbine housing and a bearing housing from leaking to outside of the device, while allowing an excellent level of workability in assembly and disassembly. Included is a turbine housing, into which exhaust gas from an internal combustion engine is introduced; a turbine wheel which is provided within the turbine housing and which is rotation-driven by the exhaust gas; a turbine shaft, one end of which is inserted into the turbine housing, and to which the turbine wheel is attached; a bearing which supports the turbine shaft; and a bearing housing which is connected to the turbine housing and inside of which the bearing is housed.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: September 21, 2010
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Noriyuki Hayashi, Yasuaki Jinnai, Seiichi Ibaraki, Fumiharu Takahashi, Yoh Akiyama
  • Exhaust Turbo Supercharger
    Publication number: 20090151348
    Abstract: An exhaust turbo supercharger is provided that is able to effectively prevent exhaust gas that has flowed into between a turbine housing and a bearing housing from leaking to outside of the device, while allowing an excellent level of workability in assembly and disassembly. Included is a turbine housing, into which exhaust gas from an internal combustion engine is introduced; a turbine wheel which is provided within the turbine housing and which is rotation-driven by the exhaust gas; a turbine shaft, one end of which is inserted into the turbine housing, and to which the turbine wheel is attached; a bearing which supports the turbine shaft; and a bearing housing which is connected to the turbine housing and inside of which the bearing is housed.
    Type: Application
    Filed: February 9, 2007
    Publication date: June 18, 2009
    Applicant: MITSKUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Noriyuki Hayashi, Yasuaki Jinnai, Seiichi Ibaraki, Fumiharu Takahashi, Yoh Akiyama