Unter Druck betriebenes Rieselfilter zum Regenieren von Aquariumwasser

摘要

The invention relates to a pressurised percolating filter, of the type used for the regeneration of water in aquariums, comprising, in a closed recipient (1), a prefiltering chamber (2), defined inferiorly by a holed bottom (3), equipped with a uniform plurality of holes (3c), an intermediate chamber (4), a percolation chamber (5) and a collection chamber (7) of the regenerated water communicating with an aquarium tub (8) by means of a feed pipe (9). The prefiltering chamber (2) is fed through a single leader pipe (10) of a mixture of air and water to be regenerated and comprises in the said holed bottom (3), a small tub (3a) equipped at its bottom with a smaller number of calibrated holes (3b) than those (3c) of the holed bottom (3) and equipped with a float valve (12) controlling an inflow hole (13).