Choke flow bean

Details Choke flow bean Choke flow bean

1984-10-26

1987-02-24

Shoap, Allan N.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 40, 166 91, E21B 4100, F15D 102

Patent

active

046449744

ABSTRACT:
A choke flow bean is described which is unusually effective in reducing the pressure of fluids flowing through it. The choke flow bean has a well rounded circular or eliptical throat which opens smoothly and directly into a divergent truncated exit cone having a divergent angle of from about 4.degree. to about 8.degree.. The length of the truncated exit cone can be up to about 9 times the throat diameter. The outer surface of the choke flow bean is usually cylindrical in shape with external threads at the discharge end and a wrench fitting (e.g., hex-nut type) at the inlet end. The choke flow bean is usually embodied within the casing of a choke nipple with the assistance of choke adaptor.

REFERENCES:
patent: 1867876 (1932-07-01), Clark
patent: 2074690 (1937-03-01), Gerts
patent: 2213812 (1940-09-01), Harper et al.
patent: 2501593 (1950-03-01), Becker
patent: 2795931 (1957-06-01), Foll
patent: 3145529 (1964-08-01), Maloof
patent: 3170289 (1965-02-01), Kramer
patent: 3687493 (1972-08-01), Lock et al.

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