Patent ID: 7845905

Claim:
A hollow turbine blade, comprising: a platform arranged at a radially inward location of the blade having a blade axis extending radially outward from the platform; a profile tip arranged opposite the platform; a suction-side profile wall arranged between the profile tip and the platform extending along the blade axis, the suction-side profile wall having an outward side and an inward side; a pressure-side profile wall arranged opposite the suction-side profile wall and between the profile tip and the platform around which a hot gas can flow, the pressure-side profile wall having an outward side and an inward side; an airfoil profile where a hot gas flows formed along the outward side of the suction-side profile wall and the outward side of the pressure-side profile wall having a profile height; a blade interior portion defined by the inward sides of the suction-side and pressure-side profile walls; a supporting rib arranged in the interior portion of the turbine blade and connects the pressure-side profile wall to the suction-side profile wall in a connecting region formed by the supporting rib and the profile wall; and a slot arranged within the pressure-side profile wall opposite the supporting rib in the connecting region, and wherein the slot includes a length that extends into the supporting rib and a first width that is less than a second width of the supporting rib.