Patents by Inventor Keiichiro MATSUMOTO

Keiichiro MATSUMOTO 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).

  • Patent number: 10215091
    Abstract: A variable compression ratio engine (1) is provided with a multi-link mechanism (101) between a piston (102) and a crankshaft (103). The multi-link mechanism (101) includes an upper link (104), a lower link (105) and a control link (106). An anti-vibration device (6) for vehicles is attached between the upper part of the engine (1) and a vehicle body to which the engine (1) is mounted. The anti-vibration device (6) includes a rod body (63) having a first elastic connecting part (61) at one end and a second elastic connecting part (62) at another end. The first elastic connecting part (61) is connected to the engine (1). The second elastic connecting part (62) is connected to the vehicle body.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: February 26, 2019
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Masahiko Kondo, Yoshinori Hirano, Keiichiro Matsumoto, Koji Tanimura, Shunsuke Ebata
  • Publication number: 20170292444
    Abstract: A variable compression ratio engine (1) is provided with a multi-link mechanism (101) between a piston (102) and a crankshaft (103). The multi-link mechanism (101) includes an upper link (104), a lower link (105) and a control link (106). An anti-vibration device (6) for vehicles is attached between the upper part of the engine (1) and a vehicle body to which the engine (1) is mounted. The anti-vibration device (6) includes a rod body (63) having a first elastic connecting part (61) at one end and a second elastic connecting part (62) at another end. The first elastic connecting part (61) is connected to the engine (1). The second elastic connecting part (62) is connected to the vehicle body.
    Type: Application
    Filed: September 29, 2014
    Publication date: October 12, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Masahiko KONDO, Yoshinori HIRANO, Keiichiro MATSUMOTO, Koji TANIMURA, SHUNSUKE EBATA