Patent ID: 7374133
Filing Date: 2008-05-20
Classification: B63H,B64C

Abstract:
1. Wing ( 10 ) having a negative dihedron for towing a load, comprising a flexible canopy ( 12 ) which is defined between two lateral ends ( 14 A, 14 B) which are connected to each other, at the front, by a leading edge ( 20 ) and, at the rear, by a trailing edge ( 22 ), the canopy ( 12 ) having, between those two lateral ends ( 14 A, 14 B), a propulsive central region ( 16 ) bordered at each of its lateral sides by a respective control regions ( 18 A, 18 B), the wing comprising at least a member ( 30 A, 30 B) for suspending the load adjacent to each lateral end ( 14 A, 14 B), said auxiliary maintenance means ( 32 ) which are capable of flattening the propulsive central region ( 16 ), said auxiliary maintenance means being located adjacent to the leading edge ( 20 ) during flight,—wherein the trailing edge ( 22 ) of the wing is generally concave when viewed from above.