System for feeding and transporting materials

Claim 1

A FEEDING UNIT FOR FEEDING MATERIAL FROM A MATERIAL CONTAINING HOPPER INTO A FLOW DUCT HAVING A MOVING FLUID STREAM THERIN, SAID UNIT COMPRISING A FIRST VALVE CHAMBER HAVING AN INLET OPENING AT ITS UPPER END ADAPTED FOR COMMUNICATION WITH SAID HOPPER AND AN OUTLET OPENING AT ITS LOWER END, SAID CHAMBER INCLUDING AN UPPER, ANNULAR, GENERALLY CONICAL SEATING SURFACE ENCIRCLING SAID INLET OPENING AND A LOWER, ANNULAR, GENERALLY CONICAL SEAT ING SURFACE ENCIRCLING SAID LOWER OUTLET, A FIRST MOVABLE VALVE MEMBER DISPOSED IN SAID FIRST VALVE CHAMBER INCLUDING UPPER AND LOWER GENERALLY CYLINDRICAL, RESILIENT VALVE DISKS IN SPACED APART CONCENTRIC RELATION TO ONE ANNOTHER AND MOVABLE ON AN UPWARD STROKE TO SEAT SAID UPPER DISK IS AWAY FROM SAID LOWER SEATING SURFACE WHEN SAID LOWER DISK IS AWAY FROM SAID LOWER SEATING SURFACE AND ON A DOWNWARD STROKE TO SEAT SAID LOWER DISK AGAINST SAID LOWER SEATING SURFACE WHEN SAID UPPER DISK IS AWAY FROM SAID UPER SEATING SURFACE, ROD MEANS HAVING AN OUTER END AND A FREE END EXTENDING INTO SAID FIRST CHAMBER THROUGH ONE OF SAID OPENINGS IN AXIAL ALIGNMENT THEREWITH INCLUDING MEANS FOR SECURING SAID DISKS THEREON IN SAID SPACED APART RELATION, MEANS EXTERNALLY OF SAID CHAMBER CONNECTED TO THE OUTER END OF SAID ROD MEANS FOR RECIPROCALLY MOVING SAID FIRST VALVE MEMBER TO EFFECT ALTERNATE SEATING OF SAID DISKS AGAINST THEIR RESPECTIVE SETING SURFACES FOR PREDETERMINED SELECTED PERIODS OF TIME, A SECOND VALVE CHAMBER HAVING A SEAT THERIN AND AN INLET END IN COMMUNICATION WITH SAID OUTLET OPENING AND AN OUTLET END ADAPTED FOR COMMUNICATION WITH SAID FLOW DUCT, A SECOND VALVE MEMBER DISPOSED IN SAID SECOND VALVE CHAMBER MOVABLE INTO ENGAGEMENT WITH AND AWAY FROM SAID SEAT AND MEANS FOR MOVING SAID SECOND VALVE MEMBER TO ENGAGE SAID FOR SELECTIVE PREDETERMINED TIME INTERVALS.