Aquarium pumping system having enough suction head

Details Aquarium pumping system having enough suction head Aquarium pumping system having enough suction head

1998-05-01

1999-09-07

Poon, Peter M.

Animal husbandry

Aquatic animal culturing

Aquarium

119249, 210110, A01K 6304

Patent

active

059470585

ABSTRACT:
An aquarium pumping system includes: a container having a pump installed in the container and having sand filled in the container, a discharge tube connected between the container and an aquarium for delivering water into the aquarium, a suction tube connected between an aquarium and a suction port of the pump with the suction tube having an inlet aperture formed in the suction tube and constantly submerged in the container under a water level within the container to obtain an enough net positive suction head (NPSH) of the pump, and a gas tube connected to the container for supplying carbon dioxide gas into the container to react with calcium carbonate in the sand to form calcium ions which will be dissociated into the water delivered into the aquarium for raising fish, coral or other animals in the aquarium.

REFERENCES:
patent: 2293051 (1942-08-01), Duffy
patent: 4894149 (1990-01-01), Block
patent: 4915828 (1990-04-01), Meyers et al.
patent: 5139659 (1992-08-01), Scott
patent: 5164089 (1992-11-01), Preston
patent: 5672268 (1997-09-01), Mizrahi et al.

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