Downthrust pads for submersible centrifugal pumps

Details Downthrust pads for submersible centrifugal pumps Downthrust pads for submersible centrifugal pumps

1998-04-02

2000-08-22

Look, Edward K.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

415107, 4151721, 4151743, 4151744, 4151733, 4151734, 415229, 4151981, 4151991, 4151992, 4151993, 417365, 4174235, 4174241, 41742312, F04D 2912

Patent

active

061062243

ABSTRACT:
A submersible centrifugal pump is claimed which includes an inner downthrust washer for receiving the downthrust load from the upward movement of the produced fluid, and an outer sealing washer, which is a non-load bearing washer, for allowing the repositioning of the impeller to prevent gaps that create recirculation.

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patent: 4838758 (1989-06-01), Sheth
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patent: 5133639 (1992-07-01), Gay et al.
patent: 5209577 (1993-05-01), Swatek
patent: 5660520 (1997-08-01), Scarsdale
patent: 5722812 (1998-03-01), Knox et al.

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