Two component pumping and proportioning system

Claim 1

A TWO COMPONENT PUMPING AND PROPORTIONING SYSTEM, COMPRISING IN COMBINATION A PAIR OF POSITIVE DISPLACEMENT UNITS EACH INCLUDING A FRAME HAVING ALIGNED PUMP AND AIR MOTOR CYLIDERS, A CONNECTED PISTON ASSEMBLY INCLUDING PUMP AND AIR MOTOR PISTONS RECEIVED IN ITS RESPECTIVE CYLINDER, A CRANKSHAFT ROTATABLY SUPPORTED BY SAID FRAME, MEANS TO INTERCONNECTED THE PISTON ASSEMBLY AND THE CRANKSHAFT FOR RELATED MOVEMENTS THEREWITH OPERABLE TO RECIPROCATE THE PISTON ASSEMBLY RELATIVE TO THE CYLINDERS, COMPONENT INLET AND OUTLET MEANS COMMUNICATING WITH EACH PUMP CYLINDER, A DIFFERENTIAL UNIT HAVING TWO MECHANICAL INPUTS AND A CARRIER MEMBER INTERCONNECTING THE MECHANICAL INPUTS, SAID CARRIER MEMBER BEING ACTUATED BY THE MECHANICAL INPUTS TO MOVE IN EITHER OF TWO OPPOSITE DIRECTIONS AT ALL SPEED RATIOS OF THE MECHANICAL INPUTS EXCEPT AT A GIVEN SPEED RATIO WITH THE OPPOSITE DIRECTIONS OF MOVEMENT CORRESPONDING TO AN INCREASE AND A DECREASE FROM THE GIVEN SPEED RATIO, A POWER DISTRIBUTOR INCLUDING A SEALED CHAMBER AND SPACED PORTS OPERABLE TO SEPARATE A COMMON COMPRESSED FLUID POWER INPUT BETWEEN TWO CHANNELS, CONTROL VALVE MEANS ASSOCIATED WITH THE SEPARATING MEANS AND ACTUATED BY THE CARRIER MEMBER TO ADJUSTABLE POSITIONS OVER THE PORTS OPERABLE TO VARY THE RATIO OF POWER DISTRIBUTION BETWEEN THE TWO CHANNELS, MEANS TO CONNECT THE MECHANICAL INPUTS OF THE DIFFERENTIAL UNIT SEPARATELY TO THE CRANKSHAFT OF THE POSITIVE DISPLACEMENT UNITS, AND MEANS TO DIRECT THE TWO CHANNELS SEPARATELY TO THE UNITS TO DRIVE THE UNITS IN SUCH A MANNER THAT A CHANGE IN OPERATING SPEED RATIO OF THE UNITS CAUSES A CHANGE IN THE OPPOSITE SENSE IN THE POWER DISTRIBUTION RATIO TO THE UNITS.