Resistant components for submersible pump stages

Details Resistant components for submersible pump stages Resistant components for submersible pump stages

1985-10-23

1987-07-07

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415104, F04D 2962

Patent

active

046783997

ABSTRACT:
A centrifugal submersible pump has wear resistant features to resist erosion due to sand laden fluid from a well. The pump has diffusers and impellers located within a housing. Wear resistant inserts are secured to the diffusers and impellers. The inserts include inserts with cylindrical surfaces for radial support and sealing, and inserts with flat transverse surfaces for thrust. The inserts are preferably formed of tungsten carbide and are harder than the material of the impellers and the diffusers.

REFERENCES:
patent: 1525884 (1925-02-01), Plummer
patent: 4029368 (1977-06-01), Tschirky et al.

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