Patents by Inventor Yoshifumi ASHIHARA

Yoshifumi ASHIHARA 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).

  • Lubricating structure for speed reducer
    Patent number: 9897192
    Abstract: A lubricating structure for a speed reducer includes: a case; a first reduction gear pair provided inside the case; a second reduction gear pair provided inside the case; a first catch tank arranged inside the case; a second catch tank arranged inside the case; a partition member that includes a partition wall that partitions an inside of the case into a first accommodation space in which the first reduction gear pair is accommodated and a second accommodation space in which the second reduction gear pair is accommodated; a first oil passage communicating with the first accommodation space and configured to guide lubricating oil to the first catch tank; a second oil passage communicating with the second accommodation space and configured to guide lubricating oil to the second catch tank; and a communication port provided in the partition member and communicating the first oil passage with the second oil passage.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: February 20, 2018
    Assignees: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasuaki Tahara, Noriaki Nonaka, Yoshifumi Ashihara, Jun Mikami, Satori Ito, Daichi Kosaka, Yoshihiro Ikushima, Masaya Michishita, Atsushi Kajikawa
  • LUBRICATING STRUCTURE FOR SPEED REDUCER
    Publication number: 20160123454
    Abstract: A lubricating structure for a speed reducer includes: a case; a first reduction gear pair provided inside the case; a second reduction gear pair provided inside the case; a first catch tank arranged inside the case; a second catch tank arranged inside the case; a partition member that includes a partition wall that partitions an inside of the case into a first accommodation space in which the first reduction gear pair is accommodated and a second accommodation space in which the second reduction gear pair is accommodated; a first oil passage communicating with the first accommodation space and configured to guide lubricating oil to the first catch tank; a second oil passage communicating with the second accommodation space and configured to guide lubricating oil to the second catch tank; and a communication port provided in the partition member and communicating the first oil passage with the second oil passage.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Applicants: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasuaki TAHARA, Noriaki NONAKA, Yoshifumi ASHIHARA, Jun MIKAMI, Satori ITO, Daichi KOSAKA, Yoshihiro IKUSHIMA, Masaya MICHISHITA, Atsushi KAJIKAWA