Sewage treating device

Claim 1

IN COMBINATION, A SEWAGE TANK AND AN AIR SCRUBBING MEANS, MEANS TO SUPPORT SAID AIR SCRUBBING MEANS IN SAID TANK IN PROXIMATE RELATION TO THE BOTTOM THEREOF, SAID AIR SCRUBBING MEANS COMPRISING A CURVED SPOON HAVING A CHANNEL SHAPED SURFACE THEREIN, THE INNER BOTTOM OF SAID CHANNEL SHAPED SURFACE BEING CURVED AND DEFINING A CRUVED PATH, AN AERATING DEVICE IN SAID CURVED SPOON DISPOSED AT ONE END OF SAID CURVED PATH, MEANS TO CONNECT A SOURCE OF COMPRESSED AIR TO SAID AERATING DEVICE, SAID AERATING DEVICE COMPRISING A HOLLOW CYLINDRICAL BODY WITH PASSAGE MEANS THERETHROUGH WHEREIN SAID PASSAGE MEANS HAS AN INLET CONNECTED TO SAID COMPRESSED AIR CONNECTION MEANS AND AN OUTLET OPENING INTO SAID CURVED PATH OF SAID SPOON FOR DISCHARGING AIR THEREIN, SAID PASSAGE MEANS HAVING A FRUSTO-CONICAL CHAMBER PORTION WITH ITS LARGER DIAMETER LOCATED AT SAID PASSAGE INLET AND EXTENDING INTO SAID BODY, SAID PASSAGE MEANS ALSO HAVING A CYLINDRICAL PORTION EXTENDING FROM SAID OUTLET INTO SAID BODY AND COMMUNICATING WITH SAID FRUSTO-CONICAL PORTION, A FRUSTOCONICAL INSERT LOCATED IN SAID FRUSTO-CONCIAL CHAMBER PORTION, SAID INSERT HAVING V-SHAPED, AXIALLY EXTENDING GROOVES IN ITS OUTER PERIPHERY WHICH DEFINE AIR FLOW PASSAGES, SAID BODY HAVING A CAMFERED OUTER PERIPHERY AND PERIPHERALLY SPACED, AXIALLY EXTENDING V-SHAPED NOTCHES AT ITS OUTLET END.