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AERODYNAMIC STRUCTURE HAVING AIRFOIL, WITH CORRUGATED REINFORCING ELEMENT
AERODYNAMIC STRUCTURE HAVING AIRFOIL, WITH CORRUGATED REINFORCING ELEMENT
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机译:空气动力学结构具有机翼,带有波纹强化元件
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摘要
FIELD: transport.;SUBSTANCE: airfoil (1) contains longerons (2, 4) spaced in forward and back direction and longitudinal corrugated reinforcing element (6, 7) located between longerons and designed to provide space between longerons for fuel transportation. Each reinforcing element is corrugated in longitudinal direction thus forming a number of front reinforcement ribs (9) on the front side of reinforcing element and a number of rear reinforcement ribs (8) on the back side of reinforcing element. Each reinforcing element is directly attached to one of longerons or to rear reinforcement ribs of one of adjacent reinforcing elements by means of front reinforcement ribs or to front reinforcement ribs of one of adjacent reinforcing elements by means of rear reinforcement ribs. Method of manufacturing features using airfoil reinforcing elements.;EFFECT: reducing amount of manufactured parts, higher rigidity and lower airfoil weight.;16 cl, 4 dwg
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