Patent ID: 9464532
Filing Date: 2016-10-11
CPC Classification: B64C,F01D,F05D,Y02T

Claim Text:
1. A rotor blade, comprising: an active flap; and an airflow disturber disposed at least partially on the active flap and selectively extending from a surface profile of the active flap, the airflow disturber comprising a wedge disturber having a triangular profile, wherein a point of the triangular profile points toward a leading edge of the rotor blade, the airflow disturber configured to selectively alter airflow across the active flap; and wherein the airflow disturber is selectively extendible between a first stowed position that does not extend beyond the surface profile of the active flap, a second deployed position of the airflow disturber that extends beyond the surface profile of the active flap, and a third partially deployed position of the active flap between the first stowed position and the second deployed position.