Contact apparatus with rotating discs

Claim 1

IN A CONTACTOR OF THE CHARACTER DESCRIBED, HAVING A PLURALITY OF COMPARTMENTS SEPARATED BY CENTRALLY APERTURED WALLS AND BOUNDED BY OUTER, SUBSTANTIALLY CIRCULAR WALLS AND CONTAINING WITHIN EACH COMPARTMENT A ROTOR DISC LYING WHOLLY WITHIN THE COMPARTMENT AND SPACED FROM THE SAID APERTURED WALLS THEREOF, SEVERAL ROTOR DISCS IN DIFFERENT COMPARTMENTS BEING MOUNTED ON A SHAFT THAT EXTENDS THROUGH AND IS SMALLER THAN THE APERTURES IN SAID APERTURED WALLS, WHEREIN, WITHIN EACH OF SAID COMPARTMENTS, FLUENT MATERIAL IS MADE TO FLOW AS FLAT TOROIDAL VORTICES THAT INCLUDE FLOW OF THE MATERIAL OUTWARDLY FROM THE ROTOR DISC, FOLLOWED BY DIVISION OF THE MATERIAL AND CHANGE IN THE FLOW DIRECTION THEREOF NEAR THE OUTER WALL AND FLOW FIRST AS SEPARATE, OPPOSITELY DIRECTED CURRENTS TOWARD SAID APERTURED WALLS AND THEREAFTER INWARDLY ALONG SAID WALLS, THE IMPROVEMENT OF AN ANNULAR STREAMLINING BODY AT SAID OUTER WALL SITUATED INTERMEDIATE SAID CENTRALLY APERTURED WALLS AND SUBSTANTIALLY OPPOSITE THE ROTOR DISC, SAID BODY HAVING A PAIR OF CONCAVE SURFACES DIRECTED TOWARD THE SAID APERTURED WALLS AND TOWARD THE ROTOR SHAFT.