Patents by Inventor David Y. K. Toy

David Y. K. Toy 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 nozzle assembly for a gas turbine engine
    Patent number: 4891935
    Abstract: A fuel nozzle assembly having a fuel nozzle tip at one end of a fuel delivery tube and a supporting flange at the other end. An air delivery tube, also secured to the support flange, encloses the fuel delivery tube to define an annular air passage therebetween. An integral fuel nozzle/end cap engages the fuel and air tubes and provides passages for fuel flowing from the fuel delivery tube and air flowing from the air delivery tube. Biasing means exerts an axial force on the air delivery tube to tighten the engagement of the tubes into an air-tight fit.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: January 9, 1990
    Assignee: Westinghouse Electric Corp.
    Inventors: Leroy D. McLaurin, David Y. K. Toy