Pump adjustment assembly

Details Pump adjustment assembly Pump adjustment assembly

1982-11-03

1985-07-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including casing part selectively movable relative to fixed...

Separate liner portion

415171, 415196, F04D 2908

Patent

active

045279489

ABSTRACT:
A centrifugal pump for pumping slurries and other abrasive liquids having an axial inlet and a circumferential outlet, an impeller rotating within a housing and a suction liner secured to the housing wherein the impeller has a radial nose projecting toward the suction liner, a wear ring providing a complementary confronting surface axially spaced from said impeller and positioned as a part of a spool piece within the suction liner. The spool piece also includes a control means connected to the wear ring to move the wear ring surface axially toward and away from the impeller nose to maintain a preselected clearance therebetween to offset the abrasive wear occurring due to the pumping of the slurry.

REFERENCES:
patent: 678223 (1901-07-01), Christian
patent: 1085045 (1914-01-01), Holzapfel
patent: 1114238 (1914-10-01), Doble
patent: 1891267 (1932-12-01), Milkowski
patent: 3324800 (1967-06-01), Schroeder
patent: 4208166 (1980-06-01), Schroeder et al.
patent: 4403914 (1983-09-01), Rogo et al.

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