Apparatus for adding measured amounts of one or more fluids to other fluids

Claim 1

APPARATUS FOR MIXING TOGETHER AND ADDING MEASURED DOSAGES OF A PLURALITY OF LIQUIDS TO THE CIRCULATORY SYSTEM OF A SWIMMING POOL COMPRISING A PLURALITY OF MEASURING UNITS EACH HAVING AN INLET AND AN OUTLET, MEANS FOR SUPPLYING A PLURALITY OF LIQUIDS TO THE INLETS OF SAID UNITS, EACH UNIT RECEIVING A DIFFERENT LIQUID AND BEING ADAPTED TO DELIVER A MEASURED DOSAGE OF LIQUID THROUGH ITS OUTLET UPON THE APPLICATION OF SUCTION TO ITS OUTLET, SAID MEASURING UNIT BEING RESPONSIVE TO AND ACTUATED BY THE MOMENTUM OF THE PARTICULAR LIQUID PASSING THROUGH AND BEING MEASURED BY IT, A MIXING CHAMBER, LINES CONNECTING THE OUTLET OF EACH UNIT TO SAID MIXING CHAMBER, MEANS FOR INTERMITTENTLY APPLYING SUCTION TO SAID CHAMBER FOR WITHDRAWING A MIXTURE OF LIQUIDS THEREFROM, AND MEANS FOR PREVENTING THE FLOW OF ONE LIQUID INTO ANOTHER WHEN SUCTION IS NOT APPLIED TO SAID CHAMBER.