Patents by Inventor Masakuni Matsui

Masakuni Matsui 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).

  • Antechamber system diesel engine
    Patent number: 4422426
    Abstract: An antechamber system Diesel engine including an antechamber consisting of a front chamber and a rear chamber and a communication port communicating said antechamber with a main combustion chamber wherein at least one of fuel injection ports of a fuel injection nozzle sprays the fuel in the direction of the communication port. The rear chamber is formed integrally with a cylinder head inside the same while the front chamber is formed on a sleeve member detachably fitted to the cylinder head. If desired, a short axis column-like cavity is defined between the front chamber and the rear chamber.
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: December 27, 1983
    Assignee: Yanmar Diesel Engine Co., Ltd.
    Inventors: Takanori Tsugekawa, Tosio Banba, Masakuni Matsui
  • Antechamber system diesel engine
    Patent number: 4323039
    Abstract: An antechamber system Diesel engine including an antechamber consisting of a front chamber and a rear chamber and a communication port communicating said antechamber with a main combustion chamber wherein at least one of fuel injection ports of a fuel injection nozzle sprays the fuel in the direction of the communication port. The rear chamber is formed integrally with a cylinder head inside the same while the front chamber is formed on a sleeve member detachably fitted to the cylinder head. If desired, a short axis column-like groove is defined between the front chamber and the rear chamber.
    Type: Grant
    Filed: June 3, 1980
    Date of Patent: April 6, 1982
    Assignee: Yanmar Diesel Engine Co., Ltd.
    Inventors: Takanori Tsugekawa, Tosio Banba, Masakuni Matsui