초록 ▼

A variable wing tip (18) for securing to a variable camber leading edge portion (12) of an aircraft wing (10). The wing tip has a normal fore and aft camber in an upper position and is adapted to have an increased camber curvature in a deflected down position. In the down position, the wing tip has

A variable wing tip (18) for securing to a variable camber leading edge portion (12) of an aircraft wing (10). The wing tip has a normal fore and aft camber in an upper position and is adapted to have an increased camber curvature in a deflected down position. In the down position, the wing tip has a compound curvature, is shortened in the fore and aft direction ad is generally thickened in depth in a substantial portion of the wing tip. By operation of an actuator (96) in the leading edge (21), a multiple of generally parallel scissor plates (30,32) are pivoted apart. The plates extend in an inboard outboard direction and are spaced in the fore and aft direction. The scissor plates are pairs of upper and lower plates with respect to the upper and lower surface of the wing tip, the upper plates (30) being adapted to be pivotally secured inboard to a complementary outer portion of the wing leading edge to secure the upper portion of the wing tip thereto, and the lower plates (32) being pivotally and slidably secured inboard within the wing tip and being adapted to be secured to a complementary outer portion of the wing leading edge to secure the lower portion of the wing tip thereto. Each respective pair of upper and lower plates are pivotally secured together outboard (40) adjacent and outboard leading edge (42) of the wing tip. Respective upper and lower plates are adapted to be pivoted apart inwardly of and on the outboard pivots (40) when the camber is increased in the down position so as to increase the depth of and shorten the fore and aft direction of the wing tip. An elastomer (84) is bonded to the plates, permitting the plates to be pivoted apart. An elastomeric wing tip configuration (88), is secured to the wing leading edge and to a forwardly facing edge of the wing. The elastomeric configuration has the normal camber of the wing tip in the upper position and the increased camber and compound curvature of the wing tip in the deflected position. It forms continuous surfaces in the varied camber positions with the wing.

대표청구항 ▼

In an aircraft wing, a variable camber wing tip forming an outboard and forward portion of said wing, said wing tip comprising: an inboard generally fore and aft extending end of the wing tip being secured along a complementary outer end of a variable camber leading edge portion of the wing; a trail

In an aircraft wing, a variable camber wing tip forming an outboard and forward portion of said wing, said wing tip comprising: an inboard generally fore and aft extending end of the wing tip being secured along a complementary outer end of a variable camber leading edge portion of the wing; a trailing edge of the wing tip extending along a fixed outboard forwardly facing edge of the wing; said wing tip having a normal camber on its upper surface in an upper position and being adapted to have an increased camber curvature in a deflected down position; said wing tip in the down position having a compound curvature between the upper cambered surface and its lower surface, the wing tip being curved downwardly forwardly and outboardly in the down position; and means within the wing tip adapted to be actuated to vary the camber from the upper portion to the down position and return.