Patent ID: 7195458

Claim:
A turbine blade, comprising: a generally elongated blade having a leading edge, a trailing edge, and a tip at a first end, a root coupled to the blade at an end generally opposite the first end for supporting the blade, at least one cavity forming a cooling system in the blade, and an outer wall defining the at least one cavity forming the cooling system; wherein the cooling system comprises a leading edge cooling channel formed from pressure side cooling channels extending radially within the elongated blade and suction side cooling channels extending radially within the elongated blade and separated from the pressure side cooling channels by a rib; wherein the pressure side cooling channels each include at least one impingement orifice providing a fluid pathway between the pressure side cooling channels and other portions of the cooling system; and wherein the suction side cooling channels each include at least one impingement orifice providing a fluid pathway between the suction side cooling channels and other portions of the cooling system.