Filter device, particularly for aquariums

Details Filter device, particularly for aquariums Filter device, particularly for aquariums

1987-05-01

1989-04-11

Fisher, Richard V.

Liquid purification or separation

Structural installation

Closed circulating system

2104162, 210418, 119 3, 119 5, A01K 6304

Patent

active

048204102

ABSTRACT:
The filter device comprises a filter chamber, a water supply chamber associated with the filter chamber and an aspiration tube, having a first and inserted in the water supply chamber and a second end which is immersable in an aquarium. The device also comprises a centrifugal pump adapted for feeding water to the filter chamber, and an impeller housed in an impeller chamber having an aspiration port, whereon the first end of the aspiration tube is selectively positionable. The impeller is associated with a permanent magnet rotor contained in a watertight cylindrical body, externally embraced by a cluster of stator windings. The filter chamber has a water outlet and houses a container adapted for accommodating filter elements.

REFERENCES:
patent: 3771544 (1973-11-01), Horvath
patent: 4039453 (1977-08-01), Horvath
patent: 4205719 (1980-06-01), Faris
patent: 4490250 (1984-12-01), Dockery
patent: 4512885 (1985-04-01), Willinger
patent: 4602996 (1986-07-01), Willinger

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