Patents by Inventor Nicholas J. Ellwood

Nicholas J. Ellwood 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).

  • Fuel injected internal combustion engine
    Patent number: 5622155
    Abstract: An internal combustion engine having a fuel injector (7) arranged for injecting fuel into a combustion chamber, the fuel injector (7) including a nozzle chamber (25) having a selectively openable nozzle (15) at one end to communicate the nozzle chamber (25) with the combustion chamber and including a fuel metering device (14) arranged to selectively deliver fuel to the nozzle chamber (25). There is also provided a gas chamber (10) adjacent the combustion chamber and in communication with the nozzle chamber (25). Preferrably, the gas chamber (10) is located within the cylinder head (1) adjacent the nozzle chamber (25).
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: April 22, 1997
    Assignee: Orbital Engine Company (Australia) Pty. Limited
    Inventors: Nicholas J. Ellwood, Raymond J. Hill