Air releaser

Details Air releaser Air releaser

1994-09-22

1996-07-23

Nessler, Cynthia L.

Liquid purification or separation

Structural installation

Closed circulating system

119263, 261 77, 261124, A01K 6304

Patent

active

055386270

ABSTRACT:
An aerator for an aquarium has a connector for connecting the aerator to an existing filter system. An air receiving and dispensing chamber is annular and defined between a lower annulus and an upper perforate annulus. Walls on the lower annulus mate with skirts on the upper, perforate annulus to define inner and outer walls of the chamber. Water flows through the central openings in the annuluses, from the filter, upwardly, and air passes through the upper, perforate annulus. A mixing chamber is received over the upper, perforate annulus, and a tube can be connected to the mixing chamber to carry the aerated water up. An air supply tube extends down through the center of the aerator and connects to the chamber to supply air to the chamber.

REFERENCES:
patent: 4163035 (1979-07-01), Gorsky
patent: 4333829 (1982-06-01), Walther
patent: 4552657 (1985-12-01), Ogawa
patent: 4802980 (1989-02-01), Gilkey et al.
patent: 5203990 (1993-04-01), Gargiulo

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