Fluid transmission and control

Claim 1

A MULTIPLE PUMP UNIT AND CONTROL ASSEMBLY ADAPTED TO BE DRIVEN BY A PRIME MOVER, AND INCLUDING, A CASE WITH A PLENUM THEREIN HAVING OPPOSED SEAT FACES, A LOW VOLUME PORT AND A HIGHT VOLUME PORT IN THE CASE AND OPENING INTO THE PLENUM AT ONE SEAT FACE AND IN COMMUNICATION WITH LOW AND HIGH VOUME PUMPS RESPECTIVELY, A SUCTION PASSAGE FROM EACH OF SAID PUMPS AND OPENING INTO THE PLENUM, SAID PUMPS HAVING DRIVING CONNECTION WITH THE PRIME MOVER, A PAIR OF FLOW TUBES OPENING INTO THE PLENUM AT THE OTHER SEAT FACE TO RECEIVE THE PUMP FLOW, AND A VALVE ELEMENT ROTATABLE BETWEEN SAID SEAT FACES AND THROUGH A PLURALITY OF POSITIONS CONTROLLING FLOW TO A POINT OF USE AND SELECTIVELY TO A POSITION WHEREBY FLOW IS FROM THE PLENUM AND THROUGH BOTH PUMPS AND FROM BOTH PORTIONS TO ENTER THROUGH AN APERTURE IN THE VALVE ELEMENT AND THEN THROUGH ONE TUBE TO RE-ENTER THE PLENUM THROUGH THE OTHER TUBE.