Patents by Inventor Ko YAMAGUCHI

Ko YAMAGUCHI 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 BYPASS DEVICE AND TURBOCHARGER
    Publication number: 20200370470
    Abstract: Provided are an exhaust bypass device and a turbocharger. The present invention is provided with: an actuator (31) for reciprocating a driving-rod (41) in the axial direction; a support shaft (34) rotatably supported in a housing (46); a connection link (33) having one end portion and the other end portion, wherein the one end portion is rotatably connected to a tip portion of the driving-rod (41), and the other end portion is fixed to one end portion in the axial direction of the support shaft (34); a waste gate valve (36) connected to the other end portion in the axial direction of the support shaft (34); and a compressive coil spring (61) disposed between the housing (46) and the connection link (33), and having a coil diameter that varies along the axial direction.
    Type: Application
    Filed: March 30, 2017
    Publication date: November 26, 2020
    Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Takeshi YOSHIMI, Tatsuya ISHIZAKI, Noriyuki HAYASHI, Yukihide NAGAYO, Eigo KATOU, Motoki EBISU, Ko YAMAGUCHI, Ryoji SHIGETA