Rotary kinetic fluid motors or pumps – Centrifugal bowl pump
Patent
1978-09-25
1981-04-28
Casaregola, Louis J.
Rotary kinetic fluid motors or pumps
Centrifugal bowl pump
F04D 112
Patent
active
042642698
ABSTRACT:
A centrifugal separator and pitot pump has a rotor driven in rotation within a casing with fluid to be cleansed of solid material entering a separation chamber of the rotor. Under a rotor imposed, centrifugal force field, solids in the fluid separate from the fluid and exit in a liquid carrier through a pitot tap close to the outer radial rotor wall. Radially interiorly of this tap, a pitot pickup intercepts cleansed production fluid and exits that fluid from the rotor. A head of a scoop of the pitot tap has an inlet in a blunt leading face and a top at the maximum radial limit of the scoop that is relieved from the leading face of the scoop to a trailing end. An inlet passage from the inlet generally parallels the line of the relief. In profile, the leading face of a scoop neck below the head curves in relief from the inlet face to a scoop base and has a relatively large radius of curvature. The leading face of the neck and base in planes normal to a radius from the axis of the rotor presents a blunt surface with curved transition corners between the middle of the face and the sides of the neck and base.
REFERENCES:
patent: 2543242 (1951-02-01), Kent et al.
patent: 2680007 (1954-06-01), Arbuckle
patent: 3079070 (1963-02-01), Thylefors
Budrys Vitolis
Erickson John W.
Williams Carter P.
Casaregola Louis J.
Kobe Inc.
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