Pump mounted thrust bearing

Details Pump mounted thrust bearing Pump mounted thrust bearing

1998-07-13

1999-09-28

Verdier, Christopher

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

415107, 415112, 4151212, 4151691, 415180, 4151992, 417365, 4174236, 4174238, 41742312, F04D 106, F04D 1306, F04D 2966

Patent

active

059576561

ABSTRACT:
A thrust bearing assembly for a surface mounted centrifugal pump utilizes the pump liquid for lubrication of a thrust bearing and radial bearings. The thrust bearing mounts to the rearward end of the intake chamber. A communication passage extends between the thrust chamber and the intake chamber. A circulation tube leads from the intake chamber to the rearward end of the thrust chamber. A portion of the water being delivered to the intake chamber is diverted through the circulation tube, where it circulates through the thrust bearing and back to the intake of the pump. The shaft passes through the thrust chamber to an electrical motor. A mechanical seal seals the shaft at the rearward end of the thrust chamber.

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patent: 5613831 (1997-03-01), Liegat
patent: 5779434 (1998-07-01), De Long

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