Patents by Inventor Richard A. Ridilla

Richard A. Ridilla 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).

  • Foreign object damage resistant composite blade and manufacture
    Patent number: 5375978
    Abstract: The present invention provides a composite airfoil particularly useful as a fan blade, having a high degree of twist, in a large high bypass ratio turbofan engine. The composite airfoil of the present invention has a progression of filament reinforced airfoil laminations of varying span, arranged in order by span, and interrupted by at least one filament reinforced airfoil lamination having a span out of height order to form what is called a confused or broken shear plane where radially outer tips of the laminations end.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: December 27, 1994
    Assignee: General Electric Company
    Inventors: Charles R. Evans, Barrett J. Fuhrman, Jackie D. Jones, Richard A. Ridilla