Centrifugal pump

Details Centrifugal pump Centrifugal pump

1983-09-02

1985-04-16

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Means to seal radial flow pump runner inlet from outlet

415169R, 415170A, 308DIG8, F04D 2902, F04D 2904

Patent

active

045113076

ABSTRACT:
The centrifugal pump is of the submersible type and is useful in pumping sand laden fluids. The pump includes a rotatable impeller and fixed diffuser and has an improved bearing that comprises an annular thrust member that is constructed from material having a hardness greater than the hardness of sand. The thrust member is attached to the impeller and has a bearing surface thereon. A second annular bearing member, which is also constructed from material having hardness greater than sand, is attached to the diffuser and has a bearing surface thereon disposed in juxtaposition with the bearing surface on the thrust member.

REFERENCES:
patent: 972366 (1910-10-01), Guy
patent: 1783427 (1930-12-01), Jennings
patent: 2013078 (1935-09-01), Slocum
patent: 2034790 (1936-03-01), Arutunoff
patent: 2066505 (1937-01-01), Wolfe
patent: 2700935 (1955-02-01), Teague, Jr.
patent: 2971468 (1961-02-01), McDoniel
patent: 2980475 (1961-04-01), Wolfe
patent: 3022685 (1962-02-01), Armacost
patent: 3512788 (1970-05-01), Kilbane
patent: 3881840 (1975-05-01), Bunjes
patent: 3904211 (1975-09-01), Dega
patent: 4245952 (1981-01-01), Eberhardt
patent: 4249913 (1981-02-01), Johnson et al.

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