CENTRIFUGAL PUMP IMPELLER WITH AUXILIARY VANES ON THE FRONT SHROUD, ADJACENT TO IMPELLER INLET OPENING

摘要

A pump assembly and components therefor including an impeller which has flow inducer elements on an inner surface of a front shroud thereof, a flow directing device or strainer having passageways for delivering material to the impeller and at least one flow circulating passageway and a pump casing having an intake section with flow distribution vanes in the region of a feed opening adjacent the intake section.