Centrifugal pump lubricant strainer system

Details Centrifugal pump lubricant strainer system Centrifugal pump lubricant strainer system

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 7/02 (2006.01) F04D 13/02 (2006.01) F04D 29/06 (2006.01)

Patent

CA 2075380

2075380 9112412 PCTABS00006 A centrifugal pump (1) of the "sealless" type including an impeller (12) mounted on a shaft (11) supported by an independent bearing system. The impeller shaft is driven by a motor (19) located outside of the casing through a set of magnets (58). The bearing system includes a lubricating system using the pumped fluid as a lubricant and coolant. A pocket (63) located behind and in close proximity to the rear face of the impeller receives the lubricating fluid and a passage (64) in the casing of the pump carries the lubricating fluid to the bearings. A strainer (70) covers the pocket to prevent the entry of fluid-carried particulate matter into the pocket (63), and the rotation of the fluid, in the chamber, continuously washes any particulate matter from the face of the strainer for discharge thereof through the fluid outlet.

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