Combined hydraulic and pneumatic pump and motor unit for simultaneous air, vacuum and fluid circulation

Claim 1

IN A COMBINED HYDRAULIC AND PNEUMATIC APPARATUS OF THE CLASS DESCRIBED FOR PUMPING A LIQUID AND A GAS IN VARIABLE VOLUMES, SIMULTANEOUSLY AND INDEPENDENTLY OF EACH OTHER, COMPRISING A HOUSING HAVING A FRONT AND A REAR OPEN END, A FRONT AND A REAR COVER MOUNTED THE RESPECTIVE OPEN ENDS OF SAID HOUSING, A BEARING BOSS AT THE INNER SIDE OF SAID REAR COVER DISPOSED IN AN OFF-CENTER POSITION AND EXTENDING INTO SAID HOUSING; (A) A REAR HYDRAULIC UNIT MEANS MOUNTED ON SAID BEARING BOSS IN AN OFF-CENTER POSITION AND IN A CLOSE PROXIMITY TO THE INNER SIDE OF SAID REAR COVER, SAID HYDRAULIC UNIT MEANS HAVING A CYLINDER BLOCK CHAMBERS UNIT PROVIDED WITH A PLURALITY OF CYLINDER CHAMBERS RADIALLY POSITIONED THEREIN AND A PLURALITY OF PISTON MEANS RECIPROCALLY POSITIONED IN SAID CYLINDER CHAMBERS, AND EACH PISTON MEANS HAVING A PISTON ROD EXTENDING OUTWARDLY FROM EACH OF SAID CYLINDER CHAMBERS; (B) A FRONT HYDRAULIC AND PNEUMATIC UNIT MEANS POSITIONED AT THE INNER SIDE FRONT COVER, SAID HYDRAULIC AND PNEUMATIC UNIT MEANS HAVING A PLURALITY OF CYLINDER AND PLUNGER COMBINATION CHAMBERS RADIALLY POSITIONED THEREIN, EACH CYLINDER AND PLUNGER COMBINATION CHAMBER HAVING A COMBINED PISTON AND PLUNGER MEANS RECIPROCALLY POSITIONED THEREIN, AND EACH PISTON HAVING A CONNECTING ROD EXTENDING OUTWARDLY FROM EACH RADIALLY POSITIONED CYLINDER CHAMBER OF SAID HYDRAULIC AND PNEUMATIC UNIT MEANS; (C) A BALANCING MEANS IN SAID HOUSING HAVING A CENTRALLY AND TRANSVERSELY POSITIONED WEB PLATE, A RIM AT THE PERIPHERY OF SAID WEB PLATE EXTENDING FRONTWARDLY AND REARWARDLY THEREIN FOR SECURING THE FRONT AND THE REAR RIM SECTIONS, A PLUTALITY OF RESILIENT BUSHING MEANS IN EACH OF SAID FRONTWARDLY AND REARWARDLY EXTENDING FRONT AND REAR RIM SECTIONS FOR CONNECTING THE RESPECTIVE CONNECTING RODS OF SAID PISTONS OF SAID FRONT HYDRAULIC AND PNEUMATIC UNIT MEANS AND SAID PISTON RODS OF SAID REAR HYDRAULIC UNIT MEANS; (D) A CYLINDER CENTER BAR MEANS ADJUSTABLY AND MOVABLY MOUNTED ON SAID FRONT COVER AND EXTENDING INTO SAID FRONTWARDLY EXTENDING RIM SECTION OF SAID BALANCING MEANS FOR SUPPORTING SAID FRONT HYDRAULIC AND PNEUMATIC UNIT MEANS WHEN MOVED AND ADJUSTED FROM ITS NORMALLY CENTER POSITION AND INTO AND EXTREME OFF-CENTER ROTATABLE POSITION; (E) A FLUID PASSAGE MEANS IN SAID REAR COVER FOR CONNECTING SAID REAR HYDRAULIC UNIT MEANS THEREBY SECURING FLUID FLOW THROUGH SAID REAR HYDRAULIC UNIT MEANS WHEN ROTATING TOGETHER WITH SAID BALANCING MEANS, A PLURALITY OF FLUID PASSAGE MEANS IN SAID ADJUSTABLY AND MOVABLY MOUNTED CYLINDER CENTER BAR MEANS FOR CONNECTING SAID FRONT HYDRAULIC AND PNEUMATIC UNIT MEANS, FOR SECURING THE FLUID FLOW THROUGH SAID REAR HYDRAULIC UNIT MEANS AND ALSO FOR SECURING A LIQUID AND A GAS CIRCULATION THROUGH SAID FRONT HYDRAULIC AND PNEUMATIC UNIT MEANS SIMULTANEOUSLY AND SEPARATELY FROM EACH OTHER AND INDEPENDENTLY WITH RESPECT TO THE FLUID FLOW PASSING THROUGH SAID REAR HYDRAULIC UNIT MEANS, AND WHEN SAID BALANCING MEANS IS ROTATING; (F) AND A SHAFT IN SAID WEB PLATE OF SAID BALANCING MEANS EXTENDING ENDWARDLY AND REARWARDLY THEREFROM AND REVOLVABLY MOUNTED IN SAID BEARING BOSS OF SAID REAR COVER OF SAID HOUSING FOR SUPPORTING SAID ROTATABLE POSITION OF SAID BALANCING MEANS WHEN SAID APPARATUS IS IN ROTATION.