Patents by Inventor Darren Andrew Smith

Darren Andrew Smith 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).

  • Internal combustion engines
    Patent number: 5829407
    Abstract: Disclosed is an internal combustion engine (20) having a combustion chamber (36), a pre-combustion chamber (38) communicating with the combustion chamber (36), injection means (70) located and arranged to periodically deliver controlled amounts of fuel and air into the pre-combustion chamber (38) in a manner and orientation to direct a fuel spray to pass through the pre-combustion chamber (38) into the combustion chamber (36), and ignition means (63) positioned relative to the pre-combustion chamber (38) and operably arranged to ignite the fuel spray.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: November 3, 1998
    Assignee: Orbital Engine Company (Australia) Pty Limited
    Inventors: Stephen James Watson, Darren Andrew Smith, Robert Walter Frew