A propeller (1) is equipped with: a hub (11); a blade (12) formed so as to extend outward from the hub (11); a curved section (13) which includes a flexible member for connecting the hub (11) and the blade (12); and a cord (15) which is positioned inside the curved section (13) and is stretched between the hub (11) and the blade (12). The blade (12) of the propeller (1) includes a deformable edge (14) positioned on the front side thereof in the direction of rotation (D), and said deformable edge (14) may be flexible.
プロペラ
2023-03-09
Patent
Elektronische Ressource
Japanisch