摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: proposed wheel rotor comprises main and front plates, rotor vanes arranged between said plates and bent back relative to direction of rotation. Mote here that each vane has cutout on rear edge located at distance making not over 0.5 of vane width at wheel rotor outlet. Note also that vane section between front plate and said cutout is bent toward direction of rotation. ^ EFFECT: higher discharge and efficiency. ^ 10 cl, 13 dwg |