Patents by Inventor Hideaki Ueka

Hideaki Ueka 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).

  • Air intake system for a fuel injection type four cycle engine
    Patent number: 5203299
    Abstract: A motorcycle powered by a fuel injected four cycle internal combustion engine having three valves per cylinder served by a Siamese type intake port arrangement. The centers of the inlet openings of the intake ports are offset from the center of the center intake port served thereby and a single fuel injector is disposed for spraying fuel into each of the intake openings so that all ports will receive equal amounts of fuel and so that the fuel injectors are disposed in parallel relationship to permit a single fuel rail to supply fuel to all of the fuel injectors.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: April 20, 1993
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Hideaki Ueka