Distilling apparatus for the production of pure water

Claim 1

DISTILLATION APPARATUS FOR THE PRODUCTION OF PURE WATER, COMPRISING, IN COMBINATION, TWO SUPERPOSED DISTILLATION FLASKS OF SILICON DIOXIDE FOR SIMULTANEOUSLY AND CONTINUOUSLY OPERATING TWO DISTILLATION STAGES, A SEPARATING WALL BETWEEN SAID FLASKS CONSTITUTING THE CEILING OF THAT LOWER FLASK AND THE BOTTOM OF THE UPPER FLASK, ELECTRICAL HEATING MEANS MOUNTED IN THE TWO FLASKS, CONDUIT MEANS CONNECTING THE TWO FLASKS FOR FEEDING DISTILLATE FROM THE LOWER TO THE UPPER FLASK, SAFETY MEANS ARRANGED IN THE UPPER FLASK AND FORMING PART OF SAID CONDUIT MEANS FOR PREVENTING CONTAMINATION OF THE VAPOR OF THE SECOND DISTILLATION STAGE BY CONDENSATE FED FROM THE FIRST STAGE THROUGH THE CONDUIT MEANS, A COMMON COOLER OF SILICON DIOXIDE FROM BOTH DISTILLATION STAGES, SAID COOLER BEING ARRANGE IN SUPERPOSED RELATIONSHIP TO THE TWO DISTILLATION FLASKS AND SAID CONDUIT MEANS PASSING THROUGH THE COOLER TO CONSTITUTE A COOLING PATH FOR THE FIRST DISTILLATION STAGE, CAPILLARY MEANS ARRANGED NEAR THE LOWER END OF SAID COOLING PATH FOR EFFECTING PRESSURE EQUALIZATION WITH THE ATMOSPHERE, OVERFLOW MEANS CONNECTING THE COOLER AND THE LOWER FLASK FOR FEEDING WATER FROM THE COOLER TO THE LOWER FLASK, AND A THROTTLE DEVICE ARRANGED IN SAID OVERFLOW WATER FEEDING MEANS.