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Aerodynamic structure, for a landing flap, an airfoil, an elevator unit or a rudder unit, with a changeable cambering

  • US 6,010,098 A
  • Filed: 02/24/1998
  • Issued: 01/04/2000
  • Est. Priority Date: 02/25/1997
  • Status: Expired due to Term
First Claim
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1. An aerodynamic structure for use in a landing flap, an airfoil, an elevator unit and a rudder unit, said aerodynamic structure comprising:

  • at least one outer skin having a course and being actively deformable in cross section longitudinal to an air stream direction; and

    a plurality of actively deformable ribs stiffening said outer skin in cross section longitudinal to said air stream direction,each of said actively deformable ribs being of changeable cambering and including a closed flexible external girdle and a plurality of stiffening struts of constant length,each of said external girdles having an outer shape determining the course of said outer skin,each of said stiffening struts of constant length at both ends being connected to one of said external girdles.

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