Patents by Inventor Syuniti Aoyama

Syuniti Aoyama 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).

  • Valve operating mechanism of internal combustion engine
    Patent number: 4114643
    Abstract: The valve lift and the valve timing of the intake and exhaust valves of an internal combustion engine are changed in response to an engine operating condition. Furthermore, the intake and exhaust valves are maintained closed during deceleration of the engine.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: September 19, 1978
    Assignee: Nissan Motor Company, Limited
    Inventors: Syuniti Aoyama, Yoshimasa Hayashi, Yasuo Nakajima
  • Valve operating mechanism of internal combustion engine
    Patent number: 4111165
    Abstract: The valve lift and the valve timing of the intake and exhaust valves of an internal combustion engine are changed in response to an engine operating condition. Furthermore, the intake and exhaust valves are maintained closed during deceleration of the engine.
    Type: Grant
    Filed: July 2, 1976
    Date of Patent: September 5, 1978
    Assignee: Nissan Motor Company, Limited
    Inventors: Syuniti Aoyama, Yoshimasa Hayashi, Yasuo Nakajima
  • Exhaust gas recirculation system
    Patent number: 4048968
    Abstract: Passage means communicating an EGR passage between first and second EGR control valves with a vacuum chamber of an actuator of the second EGR control valve is prevented from being clogged by solids of the engine exhaust gases by the provision of an air pump for feeding air to fill the passage means between an orifice therein and the EGR passage with air and to make the amount of engine exhaust gases passing through the orifice nearly zero.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: September 20, 1977
    Assignee: Nissan Motor Company, Limited
    Inventor: Syuniti Aoyama