Oil submersible pump

Details Oil submersible pump Oil submersible pump

1988-06-24

1989-09-12

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

4151993, 415501, 416DIG2, F04D 2944

Patent

active

048655198

ABSTRACT:
A multi-stage centrifugal pump mainly used for oil extraction, which incls two essential components, namely, a rotational impeller comprising several blades and a stationary diffuser. The shapes of blades and flow passages are designed by using three-dimensional flow theory. The configuration is characterized by the impeller length and the diffuser length being almost equal, with the moving blade being provided with an extension at the trailing edge, smaller wrap angle of the stationary diffuser blade, shorter single-stage and smaller outside diameter, and so forth.

REFERENCES:
patent: 1629141 (1927-05-01), Benson
patent: 2641191 (1953-06-01), Buchi
patent: 3206807 (1965-09-01), Hoffman et al.
patent: 3438329 (1969-04-01), Fuller
patent: 3776664 (1973-12-01), Kimmel
patent: 4564334 (1986-01-01), Hergt et al.
patent: 4652212 (1987-03-01), Burger et al.

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