Patents by Inventor Naruhito Nagase

Naruhito Nagase 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).

  • Oil seal and power transmission apparatus
    Patent number: 8262093
    Abstract: An oil seal for sealing a hollow rotary shaft in a power transmission apparatus, wherein the rotary shaft is formed with an internal flow passage through which oil flows and constituted such that the oil flies out as the rotary shaft rotates, including: a fixed portion that is fixedly attached to a case of the power transmission apparatus; a seal portion that seals the rotary shaft at a position that is axially offset position from the fixed portion and allows the rotary shaft to rotate; and a radiator portion that is formed from a metallic material between the fixed portion and the seal portion, receives the oil that flies out as the rotary shaft rotates, and dissipates heat generated by the seal portion by exchanging heat with the oil.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: September 11, 2012
    Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazutoshi Omagari, Teruhito Fukuoka, Kenji Nagai, Naruhito Nagase, Youhei Habata, Hiroya Mizuta, Masaharu Tanaka
  • OIL SEAL AND POWER TRANSMISSION APPARATUS
    Publication number: 20090243227
    Abstract: An oil seal for sealing a hollow rotary shaft in a power transmission apparatus, wherein the rotary shaft is formed with an internal flow passage through which oil flows and constituted such that the oil flies out as the rotary shaft rotates, including: a fixed portion that is fixedly attached to a case of the power transmission apparatus; a seal portion that seals the rotary shaft at a position that is axially offset position from the fixed portion and allows the rotary shaft to rotate; and a radiator portion that is formed from a metallic material between the fixed portion and the seal portion, receives the oil that flies out as the rotary shaft rotates, and dissipates heat generated by the seal portion by exchanging heat with the oil.
    Type: Application
    Filed: March 30, 2009
    Publication date: October 1, 2009
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazutoshi OMAGARI, Teruhito FUKUOKA, Kenji NAGAI, Naruhito NAGASE, Youhei HABATA, Hiroya MIZUTA, Masaharu TANAKA