Variable trailing edge geometry and spanload control

Details Variable trailing edge geometry and spanload control Variable trailing edge geometry and spanload control

B - Operations, Transporting

64

C

B64C 3/48 (2006.01) B64C 3/50 (2006.01) B64C 3/58 (2006.01) B64C 9/00 (2006.01) B64C 39/12 (2006.01)

Patent

CA 2470884

A mobile platform lift increasing system includes at least one wing~~ shaped structure having a leading edge, a trailing edge and a chord length perpendicularly measurable between the leading and trailing edges. A rotatable control surface is located near a trailing edge undersurface. The control surface length is approximately one to five percent of the chord length. A deployment device is positioned between the wing shaped structure and the control surface. The deployment device operably rotates the control surface through a plurality of positions ranging between an initial position and a fully deployed position. Wing lift is increased at speeds up to approximately transonic speed by continuously rotating the control surface to accommodate variables including mobile platform weight change from fuel usage.

Système hypersustentateur de plateforme élévatrice mobile qui comprend au moins une structure en forme d'aile ayant un bord d'attaque, un bord de fuite et une longueur de corde perpendiculairement mesurable entre les bords d'attaque et de fuite. Une gouverne rotative est située près d'un intrados du bord de fuite. La longueur de la gouverne représente environ un à cinq pour cent de la longueur de corde. Un dispositif de déploiement est placé entre la structure en forme d'aile et la gouverne. Le dispositif de déploiement fait tourner la gouverne au moyen d'une pluralité de positions, allant de la position initiale à la position pleinement déployée. La force portante de voilure augmente à des vitesses frôlant la vitesse transsonique en faisant continuellement tourner la gouverne pour répondre à diverses variables, comme le changement du poids de la plateforme mobile par rapport à l'utilisation du carburant.

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