Patent ID: 11913427
Assignee: WOBBEN PROPERTIES GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  G  Y | IPC F  G

Claim 9:
10. A rotor blade for a wind power installation, comprising:
a rotor blade body having:
a rotor blade length,
a profile depth between a leading edge and a trailing edge,
a profile thickness between a suction side and a pressure side, and
a trailing edge region that adjoins the trailing edge and extends with a region extent of less than 20% of the profile depth in a direction of the leading edge,

wherein the trailing edge region has at least one acoustic opening, and
wherein the at least one acoustic opening is arranged and formed in such a way that particles that enter the acoustic opening are removable by way of a centrifugal force.