System for collecting gases and vapors from the suction side of tanker unloading pumps and discharging them with the cargo to shore storage

Claim 1

IN A PUMPING SYSTEM FOR PUMPING A MIXTURE OF LIQUIDS AND GASES, CENTRIFUGAL PUMP MEANS, FIRST TANK MEANS HAVING OUTLET MEANS CONNECTED TO SAID PUMP MEANS AND INLET MEANS CONNECTED TO A SOURCE OF A LIQUID-GAS MIXTURE TO BE PUMPED, SECOND TANK MEANS POSITIONED ABOVE SAID FIRST TANK MEANS, FIRST PIPE MEANS CONNECTING THE UPPER PORTION OF SAID FIRST TANK MEANS WITH THE UPPER PORTION OF SAID SECOND TANK MEANS, SECOND PIPE MEANS CONNECTING SAID SECOND TANK MEANS WITH SAID FIRST TANK MEANS, DISCHARGE PIPE MEANS EXTENDING FROM SAID PUMP MEANS, FIRST BYPASS PIPE MEANS CONNECTING SAID PUMP DISCHARGE PIPE MEANS TO SAID SECOND TANK MEANS, SECOND BYPASS PIPE MEANS CONNECTING SAID SECOND TANK MEANS WITH SAID PUMP DISCHARGE PIPE MEANS AT A POINT THEREIN DOWNSTREAM OF SAID FIRST BYPASS PIPE MEANS, VALVE MEANS AND EACH OF SAID FIRST AND SECOND CONNECTING PIPE MEANS AND EACH OF SAID FIRST AND SECOND BYPASS PIPE MEANS, RESPECTIVELY, LIQUID LEVEL RESPONSIVE MEANS COOPERATIVELY ASSOCIATED WITH SAID SECOND TANK MEANS, AND CONTROL MEANSRESPONSIVE TO SAID LIQUID LEVEL RESPONSIVE MEANS AND OPERABLE TO CONTROL THE OPERATION OF SAID VALVE MEANS IN RESPONSE TO THE LEVEL OF LIQUID WITHIN SAID SECOND TANK MEANS.