To provide a blade suppressing an occurrence of a cavitation and a rotor provided with the blade.SOLUTION: A blade provided on a rotor rotating in liquid includes a portion with hydrophobic processing on a pressure surface of the blade and a portion with hydrophilic processing on a negative pressure surface of the blade.SELECTED DRAWING: Figure 3
ブレード及びこのブレードを備える回転体
2022-01-25
Patent
Electronic Resource
Japanese