Water filter, in particular for aquarium water

Details Water filter, in particular for aquarium water Water filter, in particular for aquarium water

1979-09-11

1981-05-12

Hart, Charles N.

Liquid purification or separation

Structural installation

Closed circulating system

210315, 210318, 210338, 210440, 210442, 210444, 210489, 21049701, 2104162, E04H 320, B01D 2506

Patent

active

042670420

ABSTRACT:
A water filter, in particular for aquarium water, comprises a filter chamber having a water inlet and a water outlet and being filled with exchangable filter material, as well as a boost pump arranged downstream of the water outlet. The filter chamber is defined by an annular space between two concentric tubes of different diameters, the outer tube having as water inlet a perforation arranged spaced around its entire circumference and its entire length and the inner tube likewise being provided with a perforation around its entire circumference and its entire length. At one end of the inner tube, a water outlet line is connected, while the other end of the inner tube is closed. With this structure, the entire filter material employed may be completely utilized, and also, the exchanging of the filter material is simpler.

REFERENCES:
patent: 2378879 (1945-06-01), Zylstra
patent: 3262565 (1966-07-01), Silverwater
patent: 3279614 (1966-10-01), Briggs
patent: 3415382 (1968-12-01), Martin
patent: 4169793 (1979-10-01), Lockshaw

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