Patents by Inventor Yozo Tosa

Yozo Tosa 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).

  • Water-injection diesel engine
    Patent number: 5170751
    Abstract: An improved fuel/water injection device of a diesel engine injects both fuel and water into a combustion chamber of the engine from the same fuel injection valve in a manner which reduces both the black smoke and NO.sub.x in the exhaust gas. During each injection, 5% or more and 75% or less of the total amount of fuel is firstly injected; subsequently, a total amount of water is injected; and finally, the remaining fuel is injected.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: December 15, 1992
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Yozo Tosa, Yoshinori Nagae