Patent ID: 8622706
Filing Date: 2014-01-07
Classification: B01F,B23P,F04D,F05D,Y10T

Abstract:
1. A pump assembly including: a pump impeller comprising: a flow directing device for directing material in relation to the adjacent moving impeller, the device including a main body having an inner side and an outer side, a plurality of passageways extending between the inner side and the outer side of the main body, at least one passageway providing for the in-use delivery of material to an opening of the impeller and at least one other passageway providing for the in-use circulation of a flow of material past the impeller; and a pump casing comprising: wherein said impeller is mounted for rotation within said pumping chamber of said main body section of said pump casing, said flow directing device being operatively secured to said pump casing.