Liquid purification or separation – Structural installation – Closed circulating system
Patent
1976-07-01
1978-06-13
Chamblee, Hugh R.
Liquid purification or separation
Structural installation
Closed circulating system
119 5, E04H 320
Patent
active
040947882
ABSTRACT:
For use in conjunction with an aquarium having a layer of gravel, aggregate, or the like along its bottom, a device for removing the aggregate from the aquarium, cleaning the aggregate, and thereafter returning the aggregate to the aquarium. The device comprises a housing having an upper and a lower chamber with the upper chamber open to the lower chamber. A hinged closure lid sealingly covers and forms the bottom wall of the lower housing chamber. A fluid outlet from the upper chamber is coupled to the intake line of an aquarium pump while a tube is coupled at one end to an inlet in the upper chamber and is open at its other end to the aggregate in the aquarium. A sieve is operatively disposed between the inlet and outlet in the upper housing chamber so that aggregate drawn up through the tube and into the upper chamber by the pump is retained within the chamber while the filtrate is drawn through the sieve and out through the fluid outlet. Thereafter the aggregate drops through the opening and is collected in the lower housing chamber. A push rod is mounted to the housing and, upon depression, opens the closure lid and returns the cleaned aggregate to the aquarium.
REFERENCES:
patent: 2725356 (1955-11-01), Lombardi
patent: 3039122 (1962-06-01), Birdsall
patent: 3132364 (1964-05-01), Oxley
patent: 3826371 (1974-07-01), Adamson
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