Patents Examined by Eric McCall
  • Method for release of fan blisk airfoil with external shaped charge
    Patent number: 10260512
    Abstract: According to one aspect, a method of releasing a fan blade for testing a turbofan engine includes arranging an external shaped charge about an airfoil and modifying the airfoil by extricating one or more portions of material from one or more sides of the airfoil. The method further includes detonating the external shaped charge such that the airfoil is released at a selected time.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: April 16, 2019
    Assignee: Rolls-Royce Corporation
    Inventors: Christopher Hall, Graham Burkholder, Xuekun Sun, Jeff Crutchfield, Ben Hodgson