公开(公告)号：US3744774A

公开(公告)日：1973-07-10

申请号：US3744774D

申请日：1971-03-02

Applicant: SOUTH AFRICAN INVENTIONS

Inventor： HUISMAN P ,  JELIER C

IPC: B01F3/04 ,  B01F7/00 ,  B01F7/02 ,  C02F3/18

CPC classification number: C02F3/18 ,  B01F3/04765 ,  B01F7/02 ,  Y02W10/15

Abstract: The present invention provides for a device for aerating liquids such as sewage. The device includes a rotatable disc-like member having protruding formations adapted to draw air into the liquid to be aerated during rotation of the member when partly immersed in the liquid.

Abstract translation: 本发明提供一种用于对液体如污水进行充气的装置。 该装置包括可旋转的盘状构件，其具有突出的结构，其适于在局部浸没在液体中时在构件旋转期间将空气吸入待充气的液体中。