Patents by Inventor Kazunori Tabata

Kazunori Tabata 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).

  • Primary pump and carburetor using the same
    Patent number: 11236704
    Abstract: An improved primary pump for a carburetor is provided. The primary pump has a reduced cost and reduced space construction. The primary pump includes: a flexible cap having a cavity; an inlet open to the cavity of the flexible cap; an inlet side path fluidly coupled to the inlet; an inlet side check valve disposed in the inlet side path; an outlet open to the cavity of the flexible cap; an outlet side path fluidly coupled to the outlet; and an outlet side check valve disposed on the outlet side path, wherein at least one among the inlet side check valve and the outlet side check valve comprises a flap formed in a pump diaphragm of a fuel pump of the carburetor.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: February 1, 2022
    Assignee: ZAMA JAPAN KABUSHIKI KAISHA
    Inventors: Hiroyuki Oka, Kazunori Tabata, Toshiyuki Kuyo
  • PRIMARY PUMP AND CARBURETOR USING THE SAME
    Publication number: 20210033045
    Abstract: An improved primary pump for a carburetor is provided. The primary pump has a reduced cost and reduced space construction. The primary pump includes: a flexible cap having a cavity; an inlet open to the cavity of the flexible cap; an inlet side path fluidly coupled to the inlet; an inlet side check valve disposed in the inlet side path; an outlet open to the cavity of the flexible cap; an outlet side path fluidly coupled to the outlet; and an outlet side check valve disposed on the outlet side path, wherein at least one among the inlet side check valve and the outlet side check valve comprises a flap formed in a pump diaphragm of a fuel pump of the carburetor.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Inventors: Hiroyuki Oka, Kazunori Tabata, Toshiyuki Kuyo