Centrifugal separator

Claim 1

A CENTRIFUGAL SEPARATOR FOR SEPARATING UNDESIRABLE IMPURITIES FROM A LIQUID MIXTURE COMPRISING (A) AN INLET CHAMBER ADAPTED TO RECEIVE THE LIQUID THEREIN AT A LOW INLET PRESSURE, (B) AN ELONGATE VORTEX CHAMBER COMMUNICATING WITH SAID INLET CHAMBER FOR RECEIPT OF LIQUID MIXTURE THEREFROM, SAID VORTEX CHAMBER HAVING A CYLINDRICAL PORTION IMMEDIATELY ADJACENT THE INLET CHAMBER AND AN INVERTED CONICAL PORTION DISPOSED BELOW SAID CYLINDRICAL PORTION AND COMMUNICATING THEREWITH, (C) MEANS DISPOSED IN SAID VORTEX CHAMBER ADJACENT SAID INLET CHAMBER FOR ANGULARLY ACCELERATING THE INCOMING, LOW PRESSURE LIQUID MIXTURE TO SUFFICIENT ANGULAR VELOCITY TO CREATE A VORTEX OF SAID LIQUID MIXTURE FLOWING DOWNWARDLY AND THEN UPWARDLY IN SAID VORTEX CHAMBER, (D) DISCHARGE MEANS CONNECTED TO THE LOWER END OF THE VORTEX CHAMBER FOR COLLECTING AND DISCHARGING THE UNDESIRABLE IMPURITIES SEPARATED FROM THE LIQUID MIXTURE, (E) CONDUIT MEANS COMMUNICATING WITH THE CENTRAL PORTION OF SAID VORTEX CHAMBER FOR SIPHONING OFF THE LIGHTER PORTIONS OF LIQUID MIXTURE FROM THE VORTEX, AND (F) ROTATABLE MEANS DISPOSED IN SAID VORTEX CHAMBER IN THE PATH OF THE UPWARDLY MOVING LIQUID MIXTURE FOR RECIRCULATING THE LIQUID MIXTURE IN THE VORTEX AND FOR RECOVERING FROM THE LIQUID MIXTURE A PORTION OF THE ENERGY IMPARTED THERETO BY SAID ACCELERATING MEANS BY BEING ADAPTED TO BE AT LEAST PARTIALLY DRIVEN THEREBY.