Ceramic filter modules in series with piston backwash

Details Ceramic filter modules in series with piston backwash Ceramic filter modules in series with piston backwash

1989-04-27

1990-09-18

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

210123, 2103232, 21033301, 210335, 210411, 210450, 2105101, B01D 2966

Patent

active

049576259

ABSTRACT:
An apparatus for filtering a liquid, includes supplying a starting liquid from a container to a passage of a pipe-like filter set in a filter casing, passing the starting liquid through the passage of the filter thereby to produce the filtrate, sending back the unfiltered liquid to the container, and back washing the filter by means of a hydraulic pressure device having a piston movable in a cylinder in such a manner that the filtrate is moved by the piston of the hydraulic device.

REFERENCES:
patent: 2855100 (1958-10-01), Findlay
patent: 3215273 (1965-11-01), Kryzer
patent: 3306448 (1967-02-01), Baker
patent: 3344923 (1967-10-01), Pau et al.
patent: 3503516 (1970-03-01), Harms et al.
patent: 4088576 (1978-05-01), Mott
patent: 4251377 (1981-02-01), Schleinitz
patent: 4461707 (1984-07-01), Thayer et al.
patent: 4678564 (1987-07-01), Moorehead et al.
patent: 4735781 (1988-04-01), Thijssen et al.

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