| 摘要 |
FIELD: machine building. ^ SUBSTANCE: blade device comprises body with layers of composite-fiber material, rotor with vanes and vane catcher. Part of body layers is made of woven material with S-shaped folding lines in tangential direction. Preferably S-shaped folding lines are arranged at the angle nearing angle of vanes installation. ^ EFFECT: improved reliability of body due to braking action of S-shaped folding lines at broken parts of rotor. ^ 2 cl, 3 dwg |
