Dry sump lubrication system for centrifugal pumps

Details Dry sump lubrication system for centrifugal pumps Dry sump lubrication system for centrifugal pumps

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/06 (2006.01) F04D 29/049 (2006.01)

Patent

CA 2593259

A lubrication system is provided for a centrifugal pump of the type having a bearing housing for maintaining the lubrication of a plurality of pump shaft rolling element bearings. The system includes a lubricant reservoir forming a volume, and having at least one supply port for supplying lubricant to the bearing housing , and at least one return port for returning lubricant to the lubricant reservoir. A lubricant recirculation pump has at least one supply stage and at least one suction stage. A connector is provided between the supply port of the reservoir and the suction stage of the lubricant recirculation pump for the supply of lubricant to the suction stage of the recirculation pump. A connector is also provided for interconnecting the supply stage of the lubricant recirculation pump to the bearing housing for the delivery of lubricant to the bearing housing. Lastly, a connector is provided for interconnecting the bearing housing and the at least one suction stage of the lubricant recirculation pump for the return of lubricant to the lubricant recirculation pump.

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