Liquid purification or separation – Tangential flow or centrifugal fluid action – With movable means affecting flow
Patent
1988-06-29
1989-09-05
Fisher, Richard V.
Liquid purification or separation
Tangential flow or centrifugal fluid action
With movable means affecting flow
209211, 209144, B04C 306, B01D 2126
Patent
active
048636053
ABSTRACT:
A hydrocyclone having an inlet opening toward its upper part. A hollow ro inside the upper part of the cyclone has a bottom end. An accepts removal tube has an entrance opening that projects up inside the hollow rotor and the bottom end portion of the rotor overlaps the accepts removal tube a short distance below the entrance opening. This defines sharp direction changes in the flow path of stock past the outside of the rotor to the entrance opening of the accepts removal tube. Conveyor ribs may be defined on the exterior and on the inner wall of the drum. Annular thickenings at the bottom of the drum and at the exterior of the accepts removal tube near the entrance opening constrict the pathway for the stock and enhance separation of heavy materials from the stock.
REFERENCES:
patent: 2199015 (1940-04-01), Toensfeldt
patent: 2702632 (1955-02-01), Scott
patent: 2996187 (1961-08-01), Payne
patent: 3423034 (1969-01-01), Hippert
patent: 3501001 (1970-03-01), Muller et al.
patent: 3615008 (1969-02-01), Alpha
patent: 3670886 (1972-06-01), Hosokawa et al.
patent: 3770124 (1973-11-01), Frangquist
patent: 4094794 (1978-06-01), Kahmann
patent: 4107033 (1978-08-01), Holz
patent: 4216918 (1980-08-01), Kahmann et al.
Fisher Richard V.
Johnson Roger D.
Nessler Cynthia L.
The United States of America as represented by the Secretary of
Walden Kenneth E.
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