Rotary surface aerators

Details Rotary surface aerators Rotary surface aerators

C - Chemistry, Metallurgy

02

F

362/22

C02F 3/20 (2006.01) B01F 3/04 (2006.01) C02F 3/16 (2006.01)

Patent

CA 1057431

ABSTRACT An aerator comprising a support member in the form of a flat plate which is adapted, when the aerator is in use, to lie in a horizontal plane and to be rotated about its central vertical axis, a plurality of angularly spaced blades secured to the underside of said plate and each extending radially from a central region thereof towards its periphery, each said blade having a maximum depth beneath a horizontal datum at a position intermediate its ends, and being provided with a plate secured to its lower edge and extending on both sides of the blade along at least a portion of that part of the length of the blade between its outer end and the position of maximum depth.

266441

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