Fluid processing apparatus

Details Fluid processing apparatus Fluid processing apparatus

1974-06-07

1976-12-14

Hart, Charles N.

Liquid purification or separation

Filter

Movable medium

210 77, 210 82, 210366, 210393, 210412, 210503, B01D 3324

Patent

active

039974472

ABSTRACT:
Described are fluid processing devices primarily intended for filtration but which devices may also be used for dispensing or sparging liquids and gases into a body of fluid medium. According to the method of using the disclosed devices, fluid medium to be filtered is caused to flow over the active filtering surfaces of a filter medium, such as by rotating the filter element in the fluid medium, while the fluid medium is simultaneously caused to pass through the filter element. At predetermined intervals the fluid medium flow through the filter is reversed or backpulsed.
Also disclosed are porous elements of laminated structure in propeller or disc configurations which may be coated with microporous active surfaces to permit filtration of extremely small sized particles from a fluid medium or dispensing of extremely small sized bubbles of gas or droplets of liquid into a body of fluid medium.

REFERENCES:
patent: 1117601 (1914-11-01), Porter
patent: 2297248 (1942-09-01), Rudolph
patent: 3137652 (1964-06-01), Grave
patent: 3187898 (1965-06-01), Baker
patent: 3190449 (1965-06-01), Muller
patent: 3437208 (1969-04-01), Kaspar et al.
patent: 3515605 (1970-06-01), La Botz
patent: 3617543 (1971-11-01), Smith
patent: 3618767 (1971-11-01), Thummel
patent: 3630360 (1971-12-01), Davis et al.
patent: 3862036 (1975-01-01), Simmons

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