Rotary engine

Claim 1

A ROTARY INTERNAL COMBUSTION ENGINE COMPRISING A HOUSING DEFINING A CENTRAL CHAMBER AND A PLURALITY OF CYLINDRICAL CHAMBERS EXTERIOR TO AND SIDEWISE ABUTTING AND COMMUNICATING WITH SAID CENTRAL CHAMBER, A CYLINDRICAL SEALING ROTOR ROTATABLY MOUNTED IN SAID CENTRAL CHAMBER AND HAVING LONGITUDINALLY EXTENDING CAVITIES MADE AT THE SURFACE THEREOF, A TOOTHED ROTOR ROTATABLY MOUNTED IN EACH CYLINDRICAL EXTERIOR CHAMBER, AND EACH PROVIDED WITH TWO DIAMETRICALLY OPPOSED LONGITUDINALLY EXTENDING TEETH IN SLIDING SEALING CONTACT WITH THE CYLINDRICAL SURFACE OF THEIR RESPECTIVE CYLINDERS AND ADAPTED TO ENGAGE IN SEALING ENGAGEMENT WITH A CAVITY OF SAID SEALING ROTOR, THE CYLINDRICAL SURFACE OF SAID SEALING ROTOR BEING IN DIRECT SEALING CONTACT WITH THE CYLINDRICAL SURFACES OF EACH OF SAID TOOTHED ROTORS, GEAR MEANS INTERCONNECTING SAID ROTORS FOR ROTATING THE SAME AT EQUAL PERIPHERAL SPEEDS, SAID CENTRAL CHAMBER HAVING END WALLS PROVIDED WITH HIGH PRESSURE AIR INLETS, ONE FOR EACH EXTERNAL CYLINDER AND DISPOSED IN THE PATH OF THE CAVITIES OF SAID SEALING ROTOR AND ON THE LINE JOINING THE AXES OF SAID SEALING ROTOR AND TOOTHED ROTOR, EACH EXTERNAL CYLINDER HAVING AN EXHAUST GAS PORT MADE IN THE CYLINDRICAL WALL THEREOF IN THE ZONE DIAMETRICALLY OPPOSITE SAID SEALING ROTOR, EACH EXTERNAL CYLINDER HAVING A FUEL INLET PORT MADE THEREIN ADJACENT SAID SEALING ROTOR AND ANGULARLY DISPLACED IN THE DIRECTION OF THE TOOTHED ROTOR ROTATION FROM THE ASSOCIATED AIR INLET PORT, FOR THE ADMISSION OF FUEL UNDER PRESSURE INTO SAID EXTERIOR CYLINDER, EACH EXTERIOR CYLINDER HAVING COMBUSTIBLE MIXTURE IGNITION MEANS DISPOSED CLOSE TO AND ANGULARLY DISPLACED FROM SAID FUEL INLET PORT IN THE DIRECTION OF THE TOOTHED ROTOR ROTATION, WHEREBY AIR UNDER PRESSURE IS FED INTO SAID EXTERIOR CYLINDER BEHIND A TOOTH OF SAID TOOTHED ROTOR LEAVING THE CAVITY OF SAID SEALING ROTOR, SAID AIR UNDER PRESSURE BEING CONFINED BETWEEN SAID TOOTH AND SAID SEALING ROTOR AND BEING FED WITH FUEL UPON PASSAGE OF SAID TOOTH PAST SAID FUEL INLET PORT AND THE RESULTING COMBUSTIBLE MIXTURE IS IGNITED WHEN SAID TOOTH PASSES BEYOND SAID IGNITION MEANS, THE SPENT COMBUSTION GASES IN FRONT OF SAID TOOTH BEING DISCHARGED THROUGH SAID EXHAUST PORT DURING FEEDING OF SAID AIR UNDER PRESSURE, INJECTION OF SAID FUEL AND IGNITING OF THE COMBUSTIBLE MIXTURE BEHIND SAID TOOTH.