IMPELLER FOR PUMP

摘要

PURPOSE: A pump impeller is provided to be operated in a low specific speed and to minimize blockage phenomenon by forming a structure having two blades. CONSTITUTION: A pump impeller comprises a blade(12). The blade comprises a suction side wing portion(121) and a discharge surface wing portion(122). The suction side wing portion is formed from the center of the hub in the suction region of the intake target. The discharge surface wing portion is expanded at the end part of the suction side wing portion. The discharge surface wing portion is formed in the discharging area of the intake target. An arrangement angle of the suction side wing portion is formed in order to satisfy a predetermined equation.