Patents by Inventor Bruce A. McCollum

Bruce A. McCollum 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).

  • Curved variable pitch wedge retention in vane outer base
    Patent number: 7665963
    Abstract: A method for repairing or replacing a mechanically retained vane is provided. The method comprises the steps of forming an oversized cavity in an outer base, inserting a flared end of a vane in the oversized cavity, and inserting a wedge for mechanically retaining the flared end of the vane in the oversized cavity. The wedge has a first surface with a constant pitch angle to match the outer base cavity and a second surface with a variable pitch angle to match the vane tip dovetail.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: February 23, 2010
    Assignee: United Technologies Corporation
    Inventors: William Bogue, Bruce A. McCollum
  • Curved variable pitch wedge retention in vane outer base
    Publication number: 20080063521
    Abstract: A method for repairing or replacing a mechanically retained vane is provided. The method comprises the steps of forming an oversized cavity in an outer base, inserting a flared end of a vane in the oversized cavity, and inserting a wedge for mechanically retaining the flared end of the vane in the oversized cavity. The wedge has a first surface with a constant pitch angle to match the outer base cavity and a second surface with a variable pitch angle to match the vane tip dovetail.
    Type: Application
    Filed: September 12, 2006
    Publication date: March 13, 2008
    Inventors: William Bogue, Bruce A. McCollum