BLADE WHEEL FOR A CENTRIFUGAL PUMP

摘要

Blade wheel for a centrifugal pump provided with a spiral pump portion. The ends blades (4a, 4b) of the blade wheel (3) are mounted in an oblique position and the distance between the blades (4a, 4b) is such that the opposite edges of the blades are in a direction transverse to the direction of movement of the blade wheel substa ntially in alignment, or that the blades (4a, 4b) partly overlap each other.