Patent ID: 9388820
Filing Date: 2016-07-12
CPC Classification: F04D,F05D

Claim Text:
1. A bearing lubrication system for a centrifugal pump, comprising: a hydraulic recirculating pump structured to provide recirculation of a fluid to and from the centrifugal pump; an efferent system of conduits connected to and extending away from the hydraulic recirculating pump; an afferent system of conduits connected to the hydraulic recirculating pump; a motor having a rotating shaft for operative connection to an impeller of the centrifugal pump; bearings positioned to support the rotating shaft, the bearings being in fluid communication with the motor; and wherein one of either said efferent system of conduits or said afferent system of conduits is connected to be in fluid communication with the bearings, and wherein the other of either said efferent system of conduits or said afferent system of conduits is connected to the motor.