To provide a rotor that can preferably change a torsion angle in a passive manner.SOLUTION: A rotor for a wind/hydraulic machinery includes: a hub supported by a spindle; a blade 20 connected to the hub so as to be rotatable about a predetermined blade axis; and an urging member 30 for rotatably urging the blade with respect to the hub. The blade includes: an alula 210 having flexibility; and a high-stiffness front edge part 220 having stiffness higher than the alula and constituting a leading-edge of the blade.SELECTED DRAWING: Figure 4
ロータ
2022-01-12
Patent
Electronic Resource
Japanese