Casing for a centrifugal pump

Details Casing for a centrifugal pump Casing for a centrifugal pump

2006-01-24

2006-01-24

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Including casing part selectively movable relative to fixed...

Separate liner portion

C415S196000

Reexamination Certificate

active

06988870

ABSTRACT:
A pump casing for a centrifugal pump of the type that is used to process abrasive slurries is disclosed having at least one side or side liner that has a radially extending portion oriented toward the cutwater of the pump casing to localize the abrasive wear caused by the abrasive slurries to the side of the pump casing. The side liner of the pump is configured with a perimeter edge that is non-circular. The pump casing may preferably be configured with an open cutwater configuration or other suitable configuration for localizing wear to the sides of the casing.

REFERENCES:
patent: 2537084 (1951-01-01), Pfarrer
patent: 3607600 (1971-09-01), Schreter et al.
patent: 4893986 (1990-01-01), Catterfeld et al.
patent: 5228831 (1993-07-01), Becker
patent: 6450767 (2002-09-01), Nantt et al.
Graeme Addie, Krishnan V. Pagalthivarthi, and Robert Visintainer, Slurry Pump Wear Factors, Pumps and Systems Magazine, Oct. 1996, pp. 18-27.
Graeme Addie, Krishnan V. Pagalthivarthi, and Robert Visintainer, Slurry Pump Wear Factors, Part 2, Pumps and Systems Magazine, Nov. 1996, pp. 18-23.

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