DEVICE FOR INCREASING LIFT FORCE, WING AND DEVICE FOR REDUCING NOISE USED WITH DEVICE FOR INCREASING LIFT FORCE

摘要

1. A device for increasing the lift, containing: the main element of the flap, installed with the possibility of releasing and retracting relative to the main wing; and a protruding member having a smooth contour and located near at least one end portion of a positive pressure surface of the flap main member, projecting outwardly from the flap main member. The apparatus of claim 1, wherein said protruding element extends along an end portion of the flap main element, the leading edge and trailing edge end portions of the protruding element being narrower in the direction of span of the flap main element compared to the substantially central portion of the protruding element. ... The apparatus of claim 1, wherein the projecting element extends along an end portion of the flap main element, the length of the projecting element in the direction of span of the flap main element being substantially constant. A wing containing: a main wing; and a device for increasing lift according to any one of claims 1 to 3, installed with the possibility of release and retract relative to the trailing edge of the main wing. A noise reduction device comprising: a detachable main element adapted to be attached to the end portion of the main flap element and detachable from the end portion of the main flap element, which is retractable and retractable relative to the main wing; and a protruding element having a smooth contour and protruding from the surface of the removable main element on the side of the positive pressure surface of the main element