Container filling apparatus

Claim 1

IN A CONTAINER FILLER, A DELIVERY TANK HAVING A DOWNWARDLY OPENING OUTLET AND A DELIVERY VALVE IN CONTROL OF SAID OUTLET, A SURGE TANK LOCATED ABOVE SAID DELIVERY TANK AND INCLUDING AN INLET FOR PLACING IT IN COMMUNICATION WITH A LARGE VOLUME LIQUID SUPPLY SOURCE AND A FLOAT-CONTROLLED VALVE IN CONTROL OF SAID INLET, A CONDUIT EFFECTING GRAVITY COMMUNICATION BETWEEN SAID TANK AND INCLUDING A FLOAT-CONTROLLED SHUT-OFF VALVE IN SAID DELIVERY TANK, A FLOAT WITHIN SAID DELIVERY TANK AND CONNECTED TO SAID DEDELIVERY VALVE AND OPERABLE TO OPEN SAID DELIVERY VALVE WHEN A PREDETERMINED LIQUID LEVEL EXISTS IN SAID DELIVERY TANK, ELECTRICALLY OPERATED MEANS TO CLOSE AND HOLD CLOSED SAID DELIVERY VALVE, MEANS TO CONTROL THE VOLUME DELIVERED BY SAID DELIVERY VALVE WHEN IT OPENS UNDER THE INFLUENCE OF SAID FLOAT WHEN SAID ELECTRICALLY OPERATED MEANS IS DE-ENERGIZED, AND MEANS TO CONTROL SAID DELIVERY VALVE FOR A SERIES OF CYCLES, EACH INCLUDING AN OPEN INTERVAL IN WHICH SAID ELECTRICALLY OPERATED MEANS IS DE-ENERGIZED AND A CLOSED INTERVAL IN WHICH SAID ELECTRICALLY OPERATED MEANS IS ENERGIZED, THE VALVE OPENING, THE CYCLE, AND THE LIQUID HEAD BEING SO RELATED THAT THE VOLUME OF LIQUID FLOWING INTO THE DELIVERY TANK DURING EACH CYCLE IS EQUAL TO THAT FLOWING THROUGH THE OUTLET DURING AN OPEN INTERVAL OF SAID DELIVERY VALVE.