Aspirating aerator

Details Aspirating aerator Aspirating aerator

1998-09-09

2000-12-05

Yuen, Henry C.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417198, 2394285, 2611211, F04F 544, F04F 500

Patent

active

061557943

ABSTRACT:
This invention relates to aquaculture machinery, particularly an aspirating aerator which is intended to enrich dissolved oxygen in the water body of high density aquaculture. The aerator comprises an aspirating device, a submersible pump and a support, wherein said aspirating device further comprises a tube, a conical nozzle, an air-water mixing chamber, an inlet pipe, a spherical cavity and a convergent tube. A 750 W aspirating aerator can aspire more than 24 m.sup.3 of air per hour into the breeding water body. The aerator of this invention is featured in its simple structure, low power consumption, high efficiency and capacity of oxygen enrichment, safety for the fish, low manufacture cost and practical operation.

REFERENCES:
patent: 1751719 (1930-03-01), Uhri
patent: 2382391 (1945-08-01), Berman
patent: 3625820 (1971-12-01), Gluntz et al.
patent: 4792284 (1988-12-01), Straub et al.
patent: 5478208 (1995-12-01), Kasai et al.
patent: 5611673 (1997-03-01), Agata

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