tragflaeche with auftriebswirkung for aircrafts

摘要

1,119,419. Aircraft wings. P. M. LEMOIGNE. 11 Nov., 1965 [23 Nov., 1964], No. 47860/65. Headings B7G and B7W. An aeroplane wing is divided in plan into a plurality of compartments, each having an undersurface whose edges are straight and which is concave in chordwise and spanwise section. The wing also has passages through the wing ending in rearwardly directed openings on the upper surface. The wing may be formed of flexible sheet material (e.g. of plastics or fabric) attached to tubular spars and ribs 12, 14, 16, 18 (or 36, 38, Fig. 2, not shown) or may be of conventional construction with the upper surface of conventional cambered aerofoil profile and the ribs and spars contained between the upper and lower surfaces. The wing may have a conventional leading edge, with compartments behind it, or may have a conventional centre section, with compartments adjacent the wing tips. A control surface (46, Figs. 2 and 3, not shown) may be mounted on the rear edge tube of the compartments and have forward extensions (52) into the openings.