Constant flow centrifugal pump

Details Constant flow centrifugal pump Constant flow centrifugal pump

F - Mech Eng,Light,Heat,Weapons

04

D

103/106

F04D 11/00 (2006.01) F04D 15/00 (2006.01)

Patent

CA 1133322

ABSTRACT OF THE DISCLOSURE A high pressure centrifugal pump has an impeller assembly including two mating impeller sections which are each constituted by a shroud with fixed geometry blades. The impeller sections are fixedly mounted upon a rotatable shaft and are of a con- struction which permits the pressure between the impeller section to engender flexure of the sections away from each other so as to vary the breadth of the impeller assembly. A servo control device is adapted to control the pressure behind the shrouds such that the pump delivers a constant flow at varying back pressures.

344804

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