Patent ID: 8100657

Claim:
A steam turbine rotating blade, comprising: an airfoil portion; a root section attached to one end of the airfoil portion; a dovetail section projecting from the root section, wherein the dovetail section comprises a tangential entry dovetail; a tip section attached to the airfoil portion at an end opposite from the root section; a cover integrally formed as part of the tip section, wherein the cover is located at a compound angle with respect to the tip section, the cover comprising a first portion and a second portion that extends over the tip section from a leading edge of the blade to a location that is a predetermined distance away from a trailing edge of the blade, the first portion of the cover extending over a pressure side of the airfoil portion and the second portion of the cover extending over a suction side of the airfoil portion; and wherein the blade comprises an exit annulus area of about 18.1 ft 2 (1.68 m 2 ) or greater.