US Patent 9862480 Aerodynamic device

The invention provides an aerodynamic device configured for being mounted to an aerodynamic structure of an aircraft, the aerodynamic device having a spanwise length, a chordwise width, a leading edge section along a leading edge of the device, for being mounted to the aerodynamic structure of the aircraft, and a trailing edge section along a trailing edge of the device, for providing a required aerodynamic profile, wherein a first chordwise extending segment of the trailing edge section is moveable in a spanwise direction with respect to the leading edge section or with respect to a second chordwise extending segment of the trailing edge section.