Patents by Inventor Richard John Hamby

Richard John Hamby 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).

  • Method and apparatus for isolating inactive fuel passages
    Patent number: 7934380
    Abstract: One aspect relates to an apparatus having a combustion chamber and a duct in fluid flow communication with the combustion chamber. The apparatus includes at least one opening adapted for delivering a liquid fuel into the duct. The apparatus further includes at least one passage adapted for delivery of a gas upstream of the at least one opening for minimizing the entrance of a fluid other than the gas into the fuel delivery opening.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: May 3, 2011
    Assignee: Rolls-Royce Power Engineering plc
    Inventors: Matthew Christopher Innes, Walter Kasimierz Omielan, Richard John Hamby