Patents by Inventor Yasuhiro Hosoya

Yasuhiro Hosoya 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).

  • Pulsation damping device in fuel pump module
    Patent number: 6789529
    Abstract: A fuel pump module is provided with a fuel pump for sucking and discharging a fuel in a fuel tank, a fuel filter downstream of the fuel pump for removing a foreign matter in the fuel, and a fuel pressure control valve for adjusting discharge of the fuel that flowed out from the fuel filter to a combustion chamber. Furthermore, fuel pulsation damping means (a damping portion) is formed between the fuel filter and a flow-out chamber formed below a filter element in the fuel filter and/or a fuel pressure control valve which is an adjacent portion to the flow-out chamber.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: September 14, 2004
    Assignee: Kyosan Denki Co. Ltd.
    Inventors: Masakazu Suzuki, Yasuhiro Hosoya, Hironobu Oki
  • Pulsation damping device in fuel pump module
    Publication number: 20030094161
    Abstract: A fuel pump module is provided with a fuel pump for sucking and discharging a fuel in a fuel tank, a fuel filter downstream of the fuel pump for removing a foreign matter in the fuel, and a fuel pressure control valve for adjusting discharge of the fuel that flowed out from the fuel filter to a combustion chamber. Furthermore, fuel pulsation damping means (a damping portion) is formed between the fuel filter and a flow-out chamber formed below a filter element in the fuel filter and/or a fuel pressure control valve which is an adjacent portion to the flow-out chamber.
    Type: Application
    Filed: November 14, 2002
    Publication date: May 22, 2003
    Applicant: KYOSAN DENKI Co. Ltd.
    Inventors: Masakazu Suzuki, Yasuhiro Hosoya, Hironobu Oki