Patent ID: 8484944

Claim:
A cascade thrust reverser comprising: a cascade having a plurality of vanes arranged in a plurality of rows and columns, wherein each vane has: an outward-facing trailing edge, an inward-facing blunt leading edge opposite of the trailing edge, an aftward-facing surface, and a forward-facing surface opposite of the aftward-facing surface; and at least one aerodynamic device attached to at least one of the vanes, the aerodynamic device comprising: a first side shaped to rest flush against at least a portion of the forward-facing surface of the vane, a second side opposite of the first side, a ledge portion protruding from the first side and configured to rest flush against the blunt leading edge of the vane, a rounded first end portion extending from the ledge portion to the second side of the aerodynamic device, and a second end opposite of the first end portion at which the first side and the second side converge.