US Patent 7918265 Method and apparatus for as-cast seal on turbine blades

Patent 7918265 was granted and assigned to United Technologies on April, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

United Technologies

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7918265

Date of Patent

April 5, 2011

Patent Application Number

12069998

Date Filed

February 14, 2008

Patent Primary Examiner

‌

Kuang Lin

Patent abstract

An investment casting mold article includes a wall for retaining casting material and a cavity defined by the wall. The cavity includes an airfoil portion, a root portion adjacent to the airfoil portion, and a labyrinth seal portion extending from the root portion.