Pumping system for slurry and other solutions

Claim 1

A PUMPING SYSTEM FOR SLURRY AND OTHER SOLUTIONS HAVING NONSOLUBLE SOLIDS IN SUSPENSION COMPRISING A PUMP, MEANS ACTUATING SAID PUMP, SAID PUMP HAVING A CHAMBER AND A DUCT COMMUNICATING WITH SAID CHAMBER, A VALVE HOUSING HAVING A VERTICALLY DISPOSED CHAMBER, A STAND PIPE MOUNTED VERTICALLY IN SAID VALVE CHAMBER HAVING A FREE END AT THE UPPER PORTION OF SAID VALVE CHAMBER, SAID STAND PIPE HAVING A PASSAGEWAY ADAPTED TO BE CONNECTED TO A SOURCE OF SLURRY, INLET VALVE MEANS MOUNTED AT THE FREE END OF SAID STAND PIPE IN SAID VALVE CHAMBER FOR THE CONTROL OF SLURRY THROUGH SAID PASSAGEWAY WHEREBY UPON THE CESSATION OF OPERATION OF SAID PUMP, THE SOLID MATERIALS IN SUSPENSION WILL COLLECT IN SAID VALVE CHAMBER BELOW SAID INLET VALVE MEANS, SAID DUCT COMMUNICATING WITH SUBSTANTIALLY THE LOWERMOST PORTION OF SAID VALVE CHAMBER BELOW SAID INLET VALVE MEANS, WHEREBY FLUID DISCHARGED FROM SAID PUMP CHAMBER THROUGH SAID DUCT WILL ENTER SAID VALVE CHAMBER AT SAID LOWERMOST PORTION TO COMPEL THE FLOW OF FLUID ALONG SAID DEPOSITED SOLID MATERIALS AND SUBSTANTIALLY THE FULL LENGTH OF SAID VALVE CHAMBER TO REMOVE SAID SOLID MATERIALS FROM SAID VALVE CHAMBER.