Centrifuge

Claim 1

IN A CENTRIFUGE COMPRISING A PERFORATE FRUSTO-CONICAL ROTOR ELEMENT AND A CORRESPONDINGLY FRUSTO-CONICAL CONVEYOR ELEMENT NESTING WITHIN SAID ROTOR, MEANS FOR DRIVING SAID ELEMENTS AT DIFFERENT RESPECFIVE SPEEDS, SAID ELEMENTS DEFINING A CENTRIFUGING CHAMBER, AID CHAMBER HAVING AN INLET COMPRISING AN OPENING IN THE SMALLER END OF ONE OF THE ELEMENTS, THE OPENING BEING DEFINED BY A GENERALLY RADIAL ANNULAR SURFACE, THE OPENING EXTENDING TO THE PERIPHERY OF THE CONVEYOR, A TUBULAR FEED CONDUIT SUPPORTED AXIALLY OF THE ROTOR ADJACENT THE OPENING; THE IMPROVEMENT OF A TRANSITION SLEEVE TELSCOPICALLY ASSOCIATED WITH SAID TUBULAR FEED CONDUIT AND SLIDABLY EXTENDING INTO THE OPENING IN SAID ONE ELEMENT, SAID SLEEVE HAVING AN ANNULAR OUTWARDLY EXTENDING FLANGE INTERMEDIATE ITS ENDS, THE FACE OF SAID FLANGE ADJACENT SAID OPENING MOUNTING A RESILIENT RING WITH A FLAT SUBSTANTIALLY RADIAL SURFACE OPPOSING AND SPACED FROM SAID GENERALLY RADIAL ANNULAR SURFACE ABOUT SAID OPENING A DISTANCE NO GREATER THAN THE LARGER DIMENSION ACROSS A PERFORATION IN THE PERFORATE ROTOR ELEMENT, AID SLEEVE BEING SO CONSTRUCTED AND ARRANGED AS TO BE AXIALLY ADJUSTABLE WAS RESPECT TO SAID TUBULAR FEED CONDUIT AND SAID OPENING, AND MEANS FOR FIXING THE RELATIVE AXIS POSITION OF SAID SLEEVE.