Patent ID: 9593584
Date: 2017-03-14
CPC Classifications: F01D,F05D

Claim:
1. A turbine rotor blade of a gas turbine, comprising: a blade profile having a pressure side, a suction side, a leading edge and a trailing edge; a blade tip at a radially outer end of the blade profile, said blade tip including an overhang positioned on at least the suction side, the suction-side overhang extending between a stagnation point on the blade leading edge to a first intersection point of a suction side profile line of the blade with a trailing-edge circle, the suction-side overhang being substantially zero at the stagnation point and at the first intersection point and having a maximum thickness at between 35% to 45% of a first running length along the suction side surface from the stagnation point to the first intersection point of the suction side profile line; the suction-side overhang decreasing to less than 50% of the maximum thickness between 50% to 70% of the first running length.