Patent ID: 6254066
Filing Date: 2001-07-03
Classification: B01F,C02F,Y02W,Y10S

Abstract:
An apparatus for aerating liquid in a wastewater treatment tank, the apparatus comprising:a submergible motor having a shaft extending outwardly therefrom;a supporting member affixed to said submergible motor, said supporting member adapted to maintain said submergible motor entirely in the liquid within the wastewater treatment tank;a propeller affixed to said shaft of said submergible motor;a housing extending around said propeller and said shaft, said housing having one end sealingly affixed to an end of said motor opposite said supporting member, said housing extending beyond an end of said propeller opposite said shaft, said housing being closed between said propeller and said end of said motor so as to prevent the liquid from flowing through said housing into a space between said propeller and said end of said motor; andan air tube connected to a space between said submergible motor and said propeller and adapted to pass air interior of said housing.