Patent ID: 8172523
Filing Date: 2012-05-08
Classification: F04D,Y10T

Abstract:
1. A multistage pump assembly comprising: a manifold having an inlet port configured to be coupled to a supply pipe and a outlet port configured to be coupled to a discharge pipe, the inlet and outlet ports defining an end suction, radial outlet port configuration; a cartridge having a sleeve and having a plurality of pumping stages that define a pump stack received within the sleeve, an outer chamber being defined between the pump stack and the sleeve, each of the pumping stages include an impeller mounted along a pump shaft that rotates about a rotation axis, the cartridge being aligned horizontally such that the rotation axis is substantially horizontal; and an end plate positioned between the manifold and the cartridge, the end plate including at least one cartridge engagement surface supporting the cartridge, the end plate being removably coupled to the manifold.