Patent 8091228 was granted and assigned to United Technologies on January, 2012 by the United States Patent and Trademark Office.
A method of repair of a turbine blade involves inspecting a turbine blade having an internal cavity and a cap. The cap is removed and replaced with a replacement cap. The replacement cap has an opening. The opening provides access to the internal cavity of the internal blade so that the replacement cap may be attached to the turbine blade through the opening.