Patents by Inventor Andrew R. Grun

Andrew R. Grun 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).

  • Combustion apparatus
    Patent number: 4193260
    Abstract: A combustion apparatus for a gas turbine engine comprises a combustion chamber having primary and secondary combustion zones, a fuel injector having a series of primary fuel nozzles and a series of secondary fuel nozzles, and primary and secondary fuel and air duct means to direct fuel and air mixtures to the primary and secondary combustion zones respectively.
    Type: Grant
    Filed: August 23, 1977
    Date of Patent: March 18, 1980
    Assignee: Rolls-Royce Limited
    Inventors: Denis R. Carlisle, Andrew R. Grun