Patents by Inventor Akira Tomofuji

Akira Tomofuji 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: 10107161
    Abstract: A breather device includes: a breather chamber into which oil mist in a crank chamber of a combustion engine is introduced; and a breather passage configured to guide oil mist from a crank chamber into the breather chamber. The breather chamber has formed therein a labyrinth structure in which gas-liquid separation of the oil mist is performed. An introduction pipe forming a part of the breather passage is communicated with an upper portion of the crank chamber, and projects upward from an upper end portion of the crank case.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: October 23, 2018
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshiharu Matsuda, Kazuki Arima, Yasushi Ishibashi, Akira Tomofuji
  • Publication number: 20160032797
    Abstract: A breather device includes: a breather chamber into which oil mist in a crank chamber of a combustion engine is introduced; and a breather passage configured to guide oil mist from a crank chamber into the breather chamber. The breather chamber has formed therein a labyrinth structure in which gas-liquid separation of the oil mist is performed. An introduction pipe forming a part of the breather passage is communicated with an upper portion of the crank chamber, and projects upward from an upper end portion of the crank case.
    Type: Application
    Filed: June 29, 2015
    Publication date: February 4, 2016
    Inventors: Yoshiharu Matsuda, Kazuki Arima, Yasushi Ishibashi, Akira Tomofuji