Patents Assigned to Nippon Clen Engine Research Institute Co. Ltd.
  • Fuel injection type internal combustion engine
    Patent number: 4770138
    Abstract: An engine comprising a piston having a cavity formed on the top face thereof. A projection having an impingement face at the top thereof is formed at the center of the cavity. Fuel is injected from a fuel injector toward the impingement face to form a richer air-fuel mixture around the projection. A spark plug or a glow plug is arranged to ignite the richer air-fuel mixture at the end of the compression stroke.
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: September 13, 1988
    Assignee: Nippon Clen Engine Research Institute Co. Ltd.
    Inventor: Sigeru Onishi