Automatic air injector system

Claim 1

IN A WATER PRESSURE SYSTEM CONTAINING A TANK HAVING A PRESSURE CHAMBER DESIGNED TO HOLD WATER IN THE LOWER PORTION THEREOF AND AN AIR CUSHION UNDER PRESSURE IN THE UPPER PORTION THEREOF, A MAIN SUPPLY LINE TO THE TANK, A PULSATING MAIN SUPPLY PUMP IN SAID MAIN SUPPLY LINE, AND AN OUTPUT LINE IN COMMUNICATION WITH THE LOWER PORTION OF SAID TANK, IN COMBINATION, AN AIR INJECTOR COMPRISING AN AIR SUPPLY CHAMBER IN FLUID COMMUNICATION WITH SAID TANK, AN AIR SUPPLY PUMP FOR PUMPING AIR FROM THE ATMOSPHERE INTO SAID AIR SUPPLY CHAMBER, WATER COUPLING MEANS BETWEEN THE MAIN SUPPLY PUMP AND THE AIR SUPPLY PUMP, AND A WATER SUPPLY LINE CONNECTING SAID WATER COUPLING MEANS TO SAID AIR SUPPLY CHAMBER FOR DELIVERING WATER TO SAID AIR SUPPLY CHAMBER IN RESPONSE TO OPERATION OF SAID MAIN SUPPLY PUMP, SAID AIR SUPPLY PUMP BEING OPERATED IN RESPONSE TO OPERATION OF SAID MAIN SUPPLY PUMP FOR PUMPING AIR INTO SAID AIR SUPPLY CHAMBER INTO WATER DELIVERED THERETO THROUGH SAID WATER SUPPLY LINE, AND FOR INJECTING AIR ABOVE THE WATER LEVEL IN SAID AIR SUPPLY CHAMBER INTO THE TANK, THE AMOUNT OF AIR PUMPED INTO SAID AIR SUPPLY CHAMBER AND INJECTED INTO SAID TANK BEING RESPONSIVE TO THE AMOUNT OF WATER PUMPED TO THE TANK BY SAID MAIN SUPPLY PUMP.