Document Type and Number:
Japanese Patent JPS5170060
Kind Code:
U
Abstract:
An aerator of the kind adapted to be rotated in the surface of a liquid for the purpose of agitating and aerating same, for example in the aeration of sewage liquors in the so-called activated sludge process, comprising a support member adapted to be rotated about its central vertical axis, a plurality of angularly spaced blades secured to the underside of said member and extending from a central region of the member towards its periphery, a plate being secured to the lower edge of each said blade and extending on both sides thereof at least along a part of the length of the blade from its outer end towards the centre of the aerator.
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Application Number:
JP13398075U
Publication Date:
June 02, 1976
Filing Date:
September 29, 1975
Export Citation:
International Classes:
B01F3/04; C02F3/16; (IPC1-7): C02C1/12; C02B9/00
Domestic Patent References:
| JPS4917462A | 1974-02-15 |