Cyclone separator

Claim 1

UN A CYCLONE SEPARATOR FOR CLASSIFYING MATERIAL, THE COMBINATION COMPRISING: A FIXED UPPER CYLINDER, A FIXED LOWER CYLINDER, A PLURALITY OF TELESCOPING CYLINDRICAL CHAMBERS CONCENTRICALLY DISPOSED BETWEEN SAID FIXED UPPER AND LOWER CYLINDERS, EACH SAID TELESCOPING CHAMBER EXTENDING PART WAY UP INTO THE NEXT HIGHER LARGER DIAMETER CHAMBR SUCH THAT THE OPPOSING WALLS THEREOF DEFINE AN ANNULAR CAVITY, A HOPPER FOR THE MATERIAL TO BE TREATED DISPOSED ABOVE SAID FIXED UPPER CYLINDER, A FEED PIPE EXTENDING DOWN FROM SAID HOPPER WITH ITS LOWER DISCHARGE END LOCATED IN SAID FIXED LOWER CYLINDER, MEANS FOR DIRECTING A SPIRAL WHIRLING STREAM OF AIR UP INTO THE FIXED LOWER CYLINDER WHEREIN THE AIR PICKS UP THE MATERIAL DISCHARGED FROM SAID FEED PIPE AND CARRIES IT UPWARDLY THROUGH THE CYCLONE SEPARATOR TO CAUSE PARTICLES OF SUCCESSIVELY SMALLER SPECIFIC GRAVITY TO BE RELEASED BY THE COMBINED ACTION OF GRAVITY AND THE WHIRLING ACTION OF THE AIR INTO THE RESPECTIVE ANNULAR CAVITIES OF THE SUCCESSIVE TELESCOPING CHAMBERS, MEANS FOR INDIVIDUALLY VERTICALLY RAISING OR LOWERING EACH OF THE TELESCOPING CHAMBERS SO AS TO VARY THE DISTANCE THAT EACH EXTENDS UP INTO THE NEXT HIGHER LARGER DIAMETER CHAMBER, TO THEREBY ADJUST THE HEIGHT OF THE WALL OF EACH OF SAID CHAMBERS AGAINST WHICH THE PARTICLES ARE THROWN BY THE WHIRLING ACTION OF THE AIR, AN OUTLET RECEPTACLE ASSOCIAED WITH EACH OF SAID ANNULAR CAVITIES, AND FLEXIBLE CONVEYING MEANS CONNECTED TO OPENINGS ON THE BOTTOM OF EACH OF THE ANNULAR CAVITIES TO CONVEY THE PARTICLES COLLECTED THEREIN TO THE RESPECTIVE OUTLET RECEPTACLES.