Patents by Inventor Kazutoshio Nozaki

Kazutoshio Nozaki 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).

  • Gear pump for automatic transmission
    Patent number: 6824486
    Abstract: An oil film is formed between side faces of a pump gear and side faces of a pump casing to thereby reduce wear and reduce sliding resistance. To form the oil film predetermined numbers of recesses are provided in both side faces of a drive gear and in both side faces of a driven gear of the gear pump. The recesses serve to hold oil. The oil held in the recesses oozes out to between the opposing and contacting side faces to thereby form the oil films therebetween.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: November 30, 2004
    Assignees: Aisin Aw Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsuhiro Maeno, Akira Matsuo, Yoshinori Shibayama, Osamu Takeuchi, Kazutoshio Nozaki, Toshiki Kanada
  • Gear pump for automatic transmission
    Publication number: 20030087718
    Abstract: An oil film is formed between side faces of a pump gear and side faces of a pump casing to thereby reduce wear and reduce sliding resistance. To form the oil film predetermined numbers of recesses are provided in both side faces of a drive gear and in both side faces of a driven gear of the gear pump. The recesses serve to hold oil. The oil held in the recesses oozes out to between the opposing and contacting side faces to thereby form the oil films therebetween.
    Type: Application
    Filed: October 17, 2002
    Publication date: May 8, 2003
    Inventors: Katsuhiro Maeno, Akira Matsuo, Yoshinori Shibayama, Osamu Takeuchi, Kazutoshio Nozaki, Toshiki Kanada