Aerator

Details Aerator Aerator

1990-10-09

1992-07-28

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Liquid tank

119 5, B01F 304

Patent

active

051339064

ABSTRACT:
An air bubble producing device, or air stone, for use in aquariums to produce uniform air bubbles in which air flowing into the device is first distributed circumferentially of the device and then axially thereof for uniform passage between adjacent pairs of a plurality of longitudinally spaced specially serrated disks. The device includes a weighted portion and a mechanism for precisely adjusting the spacing between the disks.

REFERENCES:
patent: 2305796 (1942-12-01), Seidel
patent: 2686139 (1954-08-01), Lamb et al.
patent: 4118447 (1978-10-01), Richter
patent: 4655915 (1987-04-01), Carpinone

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