Aircraft wing with nose flap and boundary layer control

Claim 1

AN AIRCRAFT SURFACE OVER WHICH ENVELOPING FLUID FLOWS DURING AIRCRAFT FORWARD MOVEMENT AND WHICH HAS FIRST AND SECOND ADJACENT PARTS WHICH ARE RELATIVELY MOVABLE TO A POSITION IN WHICH THEY ARE SEPARATED, INCLUDING A CLOSURE MEMBER FOR THE SPACE BETWEEN THE SURFACE PARTS IN THEIR SEPARATED POSITION, THE CLOSURE MEMBER INCLUDING A PERMEABLE ELEMENT AND BEING ARTICULATED TO THE FIRST OF SAID PARTS FOR MOVEMENT RELATIVELY TO BOTH SAID PARTS BETWEEN AN EXTENDED POSITION, IN WHICH THE PERMEABLE ELEMENT IS EXPOSED AND LIES BETWEEN THE SURFACE PARTS IN THEIR SEPARATED POSITION, AND A RETRACTED POSITION, IN WHICH THE PERMEABLE ELEMENT IS COVERED BY THE SURFACE PARTS IN THEIR ADJACENT POSITION, MEANS OPERATIVELY CONNECTED BETWEEN THE CLOSURE MEMBER AND SAID SECOND SURFACE PART TO AUTOMATICALLY MOVE SAID CLOSURE MEMBER TO ITS EXTENDED POSITION WHEN THE TWO SURFACE PARTS ARE MOVED TO THEIR SEPARATED POSITION, AND MEANS TO PRODUCE A PRESSURE DIFFERENTIAL ACROSS THE PERMEABLE ELEMENT.