Cylindrical cyclone centrifuges

Claim 1

CYCLONE CENTRIFUGE APPARATUS, COMPRISING: A CYLINDRICAL SEPARATOR TANK HAVING AN UPPER INLET AND A LOWER OUTLET, AND A CYLINDRICAL VERTICAL TANK WALL, WHICH IS ENTIRELY CYLINDRICAL BETWEEN SAID INLET AND SAID OUTLET, MEANS FOR DIRECTING A FEED FLUID HAVING SOLID PARTICLES OF VARIOUS WEIGHT THEREWITH FROM SAID INLET IN A DIRECTION TO CREATE A CYLONE FLOW OF SUCH FLUID WITHIN SAID TANK TO EFFECT A SEPARATION OF THE SOLID PARTICLES INTO A HEAVY PHASE NEAR SAID WALL OF SAID TANK AND A LIGHT PHASE TOWARDS THE CENTER OF SAID TANK, SAID TANK HAVING A CLOSER LOWER END WITH SAID LOWER OUTLET FOR THE DISCHARGE OF THE LIGHT PHASE FROM SAID TANK, A HEAVY PHASE FLUID OUTLET IN THE WALL OF SAID TANK NEAR ITS LOWER END FOR THE DISCHARGE OF THE HEAVY PHASE OF THE SOLID PARTICLES, AND HEAVY PHASE CONTROL MEANS CONNECTED TO SAID HEAVY HEAVY FLUID OUTLET ONLY AND HAVING A PLURALITY OF MEANS THEREWITH FOR CREATING SUBSTANTIALLY EQUAL SUCCESSIVE PREASURE DROPS IN THE FLUID DISCHARGING FOR THEREBY CREATING A PREDETERMINED PRESSURE DROP IN THE FLUID DISCHARGING WITH SAID HEAVY PHASE WITH AN ADEQUATE SIZE FOR SAID OUTLET TO INHABIT PLUGGING THEREOF WITH SOLID PARTICLES IN SAID HEAVY PHASE WHILE THE SAME TIME AVOIDING AN EXESSIVE PRESSURE DROP WHICH WOULD INTERFERE WITH THE CYCLONE SEPARATION IN SAID CYLINDRICAL SEPARATOR TANK.