Submerged orifice proportioner

Claim 1

A FLUID PROPORTIONING APPARATUS TO ACCURATELY AND CONTINUOUSLY PROPORTION DIVERSE FLUIDS, SAID APPARATUS COMPRISING A PAIR OF ADJACENT FLUID CONTAINERS EACH HAVING A BOTTOM WITH A FLUID DISCHARGE OPENING THEREIN; AN OVERFLOW COLUMN SECURED TO THE TANK PROTRUDING DEPENDINGLY FROM THE TANK BOTTOM, SAID COLUMN HAVING AN OPEN UPPER OVERFLOW END, A LOWER DISCHARGE END, AND A FLUID INLET ADJACENT THE DISCHARGE END; A PASSAGEWAY LEADING FROM THE TANK BOTTOM INTO THE FLUID INLET; MEANS TO OPEN AND CLOSE THE DISCHARGE END OF THE COLUMN RESPONSIVE TO THE LEVEL OF FLUID IN SAID OVERFLOW COLUMN; MEANS CONNECTED TO SEPARATE SOURCES OF FLUIDS TO MAINTAIN THE LEVEL OF FLUIDS WITHIN SAID TANKS ABOVE A PREDETERMINED LEVEL; AN ADJUSTABLE ORIFICE POSITIONED IMMEDIATELY BELOW SAID COLUMN LOWER END TO REGULATE THE RATE OF FLOW OF FLUIDS DOWNWARDLY FROM SAID COLUMN; FLOW MEANS TO CAUSE A FLOW OF FLUIDS FROM SAID FLUID TANKS DOWNWARDLY THROUGH SAID PASSAGEWAY AND INTO SAID OVERFLOW COLUMN TO MAINTAIN SAID COLUMN IN A STATE OF OVERFLOW, SAID FLOW MEANS BEING MOUNTED WITHIN SAID TANK BELOW THE PREDETERMINED LEVEL OF FLUIDS IN THE TANK TO AVOID CAVITATION AND BEING POSITIONED PARTIALLY WITHIN THE UPPER END OF SAID PASSAGEWAY TO EFFEFT A SMOOTH, CONTINUOUS FLOW OF FLUIDS DOWNWARDLY INTO SAID PASSAGEWAY FROM SAID TANK.