Pressurized percolating filter of the type used for the regenera

Details Pressurized percolating filter of the type used for the regenera Pressurized percolating filter of the type used for the regenera

1992-12-21

1994-03-08

Silverman, Stanley S.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Float

210150, 210169, 2104162, 119260, A01K 6304

Patent

active

052924319

ABSTRACT:
A pressurized percolating filter, of the type used for the regeneration of water in aquariums, comprising, a closed receptacle (1), having: a prefiltering chamber (2), defined by a perforated bottom (3) equipped with a uniform plurality of perforations (3c), an intermediate chamber (4), a percolation chamber (5), and a collection chamber (7) for the regenerated water-communicating with an aquarium tub (8) by means of a feed pipe (9). A mixture of air and water to be regenerated is fed from a single leader pipe (10) to the prefiltering chamber (2). The prefiltering chamber (2) comprises in the perforated bottom (3) a small tub (3a): equipped at its bottom with a smaller number of calibrated perforations (3b) than those (3c) in the perforated bottom (3), and equipped with a float valve (12) controlling an inflow perforation (13).

REFERENCES:
patent: 2729337 (1956-01-01), Alferman
patent: 4076619 (1978-02-01), Howery
patent: 5098585 (1992-03-01), Woltman et al.
patent: 5108594 (1992-04-01), Giovanetti et al.

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