Patents by Inventor Masayuki Kawachi

Masayuki Kawachi 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).

  • Patent number: 4557241
    Abstract: A fuel injection device for supercharged engine including a supercharging blower located in the intake passage upstream of the throttle valve. The fuel injection device includes a fuel injection valve located downstream of the throttle valve. An air bleed system is provided so as to inject bleed air to the fuel injected from the fuel injection valve. The air bleed system includes a bleed air passage having an upstream end opening to the intake passage between the supercharging blower and the throttle valve so that any backflow through the bleed air passage can be prevented even under a heavy load engine operation.
    Type: Grant
    Filed: February 2, 1982
    Date of Patent: December 10, 1985
    Assignee: Mazda Motor Corporation
    Inventors: Masayuki Kawachi, Yasushi Kono