Method and apparatus for the mechanical filtration of pond water

Details Method and apparatus for the mechanical filtration of pond water Method and apparatus for the mechanical filtration of pond water

1995-10-04

1998-03-31

Popovics, Robert

Liquid purification or separation

Processes

Separating

210143, 210411, 210483, 119215, B01D 2446

Patent

active

057334641

ABSTRACT:
A pond filtration device for filtering impurities from pond water and a backflush system for cleaning the filtration device. The illustrated embodiment includes a watertight body with a filter cage mounted longitudinally therein. A filter medium, such as burlap, encloses the filter cage and uses impurities filtered from the pond water as a natural filter to further filter the pond water. After the filter is full of impurities, the backflush system cleans the filter and removes the impurities from the watertight body. The backflush system includes a backflush member threadably mounted to a rotatable screw shaft. The backflush member projects water radially through the filter cage and filter medium to clean impurities therefrom.

REFERENCES:
patent: 336089 (1886-02-01), Chamberland
patent: 3168467 (1965-02-01), Dreyer
patent: 3367506 (1968-02-01), Rosaen
patent: 3379312 (1968-04-01), Brown
patent: 3872008 (1975-03-01), Lee et al.
patent: 4284500 (1981-08-01), Keck
patent: 4358371 (1982-11-01), Jameson et al.
patent: 4762615 (1988-08-01), Drori
patent: 4859335 (1989-08-01), Whyte
patent: 5106500 (1992-04-01), Hembree et al.
patent: 5164079 (1992-11-01), Klein
patent: 5198111 (1993-03-01), Davis
"Aquarium Filtration Has Been Taken by Storm . . . Sea Storm by Ocean Nutrition," brochure, 2 pp.

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