Patent ID: 8336829
Filing Date: 2012-12-25
Classification: B64C,Y02T

Abstract:
1. An advanced trailing edge control surface on the wing of an aircraft, with a wing, comprising: a flap arranged on the trailing edge of the wing, and extending in the wingspan direction and configured to be adjusted to a plurality of flap value positions, a pivoted sealing flap arranged on the upper side between the wing and the flap, and a pivoted movable ventilation flap arranged on the underside between the wing and the flap, wherein the flap is configured to be adjusted downward through positive flap value positions as well as upward through negative flap value positions, wherein the wing profile is closed on the upper side by the sealing flap and on the underside by the ventilation flap when the flap is used as a control flap and adjusted between negative and low positive flap value positions, and wherein the ventilation flap is configured to release an air flow from the underside of the wing to the upper side of the flap and the sealing flap is configured to be retracted to form a predetermined gap and to release an outflow of air from the upper side of the flap when the flap is used for increasing the lift and the flap is adjusted between low positive and high positive flap value positions, and wherein the trailing end of the sealing flap is configured to be activated independently from the flap to be pivoted upward to utilize the sealing flap as a brake flap.