Non-planar wing tip device for wings of aircraft, and wing...

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 23/06 (2006.01)

Patent

CA 2723084

A wing tip device (W; W1, W2) for a wing (T; 10a, 10b), comprising aroot (E1) and atip (E2) and the following determinant characteristics: .cndot. the local dihedral of the wing tip device (W; W1, W2) continuously increases or decreases from the root (E1) to the tip (E2); .cndot. the local sweep of the trailing edge (50) continuously increases along its progression from the root (E1) to the tip (E2) of the wing tip device (W; W1, W2); wherein the local sweep of the leading edge (60) continuously increases in the progression of the leading edge (60) from the root (El) to a first intermediate point (61a); continuously decreases from the first intermediate point (61a) to a second intermediate point (62a); and continuously increases from the second intermediate point (62a) at least to a region before of the tip (E2) of the wing tip device (W; W1, W2); as well as a wing comprising a wing tip device (W; W1, W2).

L'invention concerne un dispositif d'extrémité d'aile (W; W1, W2) pour une aile (T; 10a, 10b), comprenant une emplanture (E1) et un extrémité (E2) ainsi que les caractéristiques déterminantes suivantes : le dièdre local du dispositif d'extrémité d'aile (W; W1, W2) augmente et diminue de façon continue de l'emplanture (E1) jusqu'à l'extrémité (E2) ; la flèche locale du bord de fuite (50) augmente de façon continue le long de sa progression de l'emplanture (E1) jusqu'à l'extrémité (E2) du dispositif d'extrémité d'aile (W; W1, W2), ladite flèche locale du bord d'attaque (60) augmente de façon continue dans la progression du bord d'attaque (60) de l'emplanture (E1) jusqu'à un premier point intermédiaire (61a), diminue de façon continue du premier point intermédiaire (61a) jusqu'à un second point intermédiaire (62a) et augmente de façon continue du second point intermédiaire (62a) au moins jusqu'à une région avant l'extrémité (E2) du dispositif d'extrémité d'aile (W; W1, W2) ; ainsi qu'une aile comprenant un dispositif d'extrémité d'aile (W; W1, W2).

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