Patent ID: 8899938

Claim:
Blade for a turbomachine, the blade having a leading edge and a trailing edge, the blade comprising: a main portion which is formed so as to create a flow in the surrounding medium when the blade leading edge moves relative to the medium, the main portion extending from a hub portion to a blade tip region including a blade tip, and an end piece for influencing eddy formation being provided in the blade tip region, the end piece is formed as a rounded flow body comprising first and second blade sections with the blade tip disposed between the first and second blade sections, the first and second blade sections defining at least one groove which starts in the first blade section and continues through the blade tip into the second blade section, the at least one groove in the first blade section being oriented substantially in the axial direction of the blade, in a transition region of the first blade section into the main portion, and curving relative to the blade axis, convexly towards the trailing edge of the blade to the blade tip, the at least one groove in the second blade section being oriented substantially in the axial direction of the blade, in a transition region of the second blade section into the main portion, and curving relative to the blade axis, covexly towards the trailing edge of the blade to the blade tip, the at least one groove in the first blade section and the at least one groove in the second blade section together defining a curve apex at the blade tip that points to the blade trailing edge.