Prefab filter tank with warning function

Details Prefab filter tank with warning function Prefab filter tank with warning function

1990-05-04

1991-11-05

Hruskoci, Peter

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

210130, 210169, 2104162, 2105021, 119 5, B01D 3514, A01K 6304

Patent

active

050629506

ABSTRACT:
The present invention relates to a prefab filter tank with warning function for an aquarium which is characterized by a prefab filter tank and a space-adjustable motor seat. The filter tank and the motor seat may be freely combined to meet the filtration requirement of larger aquariums to provide better filtration; by a warning function which may emit light or sound to warn users when filter fibre pads lose their filtration function due to too many impurities deposited thereon, and by a buffer tank provided within one end of the filter tank for continuing the filtration when the filter fibre pads lose their filter function and allowing users to clean or change the filter fibre pads at a later time without endangering the life of fish in the aquarium.

REFERENCES:
patent: 3746168 (1973-07-01), Willinger et al.
patent: 4039453 (1977-08-01), Horvath
patent: 4220530 (1980-09-01), Gabriele
patent: 4892651 (1990-01-01), Hill

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