Patent ID: 8057187

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 skewed axial entry dovetail; a tip section attached to the airfoil portion at an end opposite from the root section; and a cover integrally formed as part of the tip section, the cover comprising a first flat section, a second flat section, and a depression section located laterally between the first flat section and second flat section, the depression section located below the first flat section at a first end where the first flat section and depression section are contiguous, the depression section rising above to the second flat section at a second end where the second flat section and depression section are contiguous, the second flat section being raised above the first flat section, wherein the cover is positioned at an angle relative to the tip section, the angle ranging from about 10 degrees to about 30 degrees.