Liquid cooling apparatus

Claim 1

APPARATUS FOR DISPENSING SMALL QUANTITIES OF COOLED LIQUIDS COMPRISING A TANK ADAPTED TO CONTAIN WATER, A REFRIGERANT SYSTEM HAVING A COOLANT COIL SUBMERGED IN THE WATER IN ONE PART OF SAID TANK, MEANS FORMING A PART OF SAID REFRIGERATING SYSTEM FOR CIRCULATING A COOLANT THROUGH SAID COIL TO REDUCE THE WATER TEMPERATURE IN SAID ONE PART OF SAID TANK, COIL MEANS COMPRISING FIRST AND SECOND SERIALLY CONNECTED COILS RESPECTIVELY HAVING INLET AND OUTLET ENDS AND BEING IMMERSED IN THE WATER IN ANOTHER PART OF SAID TANK IN SPACED RELATION TO SAID COOLANT COIL, A SOURCE OF LIQUID SUPPLY CONNECTED TO SAID INLET END, DISPENSING CONDUIT MEANS CONNECTED TO SAID OUTLET END AND PROVIDING A DISCHARGE OUTLET OUTSIDE SAID TANK, SAID SECOND COIL BEING COILED ABOUT AN UPSTANDING AXIS TO DELIMIT A CYLINDRICAL SPACE RESPECTIVELY OPENING AT OPPOSITE ENDS ADJACENT TO SAID OUTLET END AND TO THE OTHER END OF SAID SECOND COIL THAT IS CONNECTED TO SAID FIRST COIL, SAID OUTLET END BEING DISPOSED AT THE UPPER END OF SAID SECOND SOIL AND ABOVE SAID OTHER END, AN IMPELLER RECEIVED IN SAID CYLINDRICAL SPACE FOR DIRECTING WATER AXIALLY DOWNWARDLY THROUGH SAID SPACE TOWARDS SAID OTHER END OF SAID SECOND COIL, MEANS FOR DRIVING SAID IMPELLER TO CIRCULATE THE COOLER TANK WATER FROM SAID ONE PART OF SAID TANK AND DOWNWARDLY THROUGH SAID SPACE EFFECTIVELY IN COUNTERCURRENT, FLOW TO THE LIQUID SUPPLY TRANSMITTED THROUGH SAID SECOND COIL, AND SENSING MEANS DISPOSED IN SAID TANK AND BEING RESPONSIVE TO THE TEMPERATURE IN SAID ONE PART OF SAID TANK FOR CONTROLLING OPERATION OF SAID REFRIGERATING SYSTEM TO MAINTAIN THE WATER AROUND SAID COOLANT COIL SUBSTANTIALLY AT THE FREEZING POINT.