Patents by Inventor Norihide TSUKIASHI

Norihide TSUKIASHI 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: 9022174
    Abstract: A lubrication device for a hybrid vehicle power transmission device including a gear member, a first electric motor, and a second electric motor within a transaxle case, the lubrication device includes: a first pipe supplying oil forcibly transferred from an oil pump to the second electric motor; an oil passage branched from the first pipe; a first catch tank supplied with oil from the oil passage; a second pipe connected to the first catch tank to supply oil accumulated in the first catch tank to the first electric motor; an oil flow outlet disposed in the first catch tank and located above the second pipe; and a second catch tank disposed vertically beneath the first catch tank to receive oil outflowing from the oil flow outlet.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 5, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kiyonori Takagi, Hiroaki Kimura, Makoto Tomita, Norihide Tsukiashi
  • Publication number: 20140174856
    Abstract: A lubrication device for a hybrid vehicle power transmission device including a gear member, a first electric motor, and a second electric motor within a transaxle case, the lubrication device includes: a first pipe supplying oil forcibly transferred from an oil pump to the second electric motor; an oil passage branched from the first pipe; a first catch tank supplied with oil from the oil passage; a second pipe connected to the first catch tank to supply oil accumulated in the first catch tank to the first electric motor; an oil flow outlet disposed in the first catch tank and located above the second pipe; and a second catch tank disposed vertically beneath the first catch tank to receive oil outflowing from the oil flow outlet.
    Type: Application
    Filed: January 22, 2014
    Publication date: June 26, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kiyonori TAKAGI, Hiroaki KIMURA, Makoto TOMITA, Norihide TSUKIASHI