Patents Assigned to Kabushiki Kaisha Yamada Seisakush
  • Relief valve assembly
    Patent number: 6481458
    Abstract: A relief valve assembly, comprises: a relief valve; a valve housing including a valve path along which the relief valve can slide; a relief inflow portion formed on one end of the valve housing; and relief discharge portions formed at an intermediate location of the valve path of the valve housing and provided with small aperture portions axed large aperture portions formed in communication with one another. A side wherein the relief discharge portions are provided with the small aperture portions is the side near the relief inflow portion.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 19, 2002
    Assignees: Honda Giken Kogyo Kabushiki Kaisha, Kabushiki Kaisha Yamada Seisakush
    Inventors: Kouji Hirano, Masakazu Kinosita, Hisayuki Hashimoto, Yasunori Ono, Yoshiaki Senga