Patents by Inventor James B. Grant

James B. Grant 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).

  • Adjustable blowing slot for circulation control airfoil
    Patent number: 4137008
    Abstract: A circulation control airfoil having an edge slot formed by upper and lower uct panels. A plurality of struts are spaced along the length of the edge slot and are adjustably attached to the upper and lower duct to maintain the edge slot height. A reinforcing saddle is provided at each attachment position on the panels for distributing load applied to the struts over a large area of the duct panels. Each strut is provided with a differential lead thread system which provides high resolution adjustment capability for the edge slot.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: January 30, 1979
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: James B. Grant, George A. McCoubrey