Rotary internal combustion engine

Claim 1

IN AN INTERNAL COMBUSTION ENGINE, AN ANNULAR HOUSING HAVING SIDE WALLS, A ROTOR ROTATABLY MOUNTED IN ECCENTRIC RELATION WITHIN SAID HOUSING TO FORM A PERIPHERAL CHAMBER THEREIN, SAID ROTOR HAVING A PLURALITY OF RADIAL SLOTS, EACH OF SAID SIDE WALLS HAVING AN ANNULAR RACE, A PAIR OF CIRCUMFERENTIALLY SPACED ARCUATE PASSAGES FORMED IN SAID SIDE WALLS COMMUNICATING WITH SAID SLOTS IN THE ROTOR AND A TRANSFER PASSAGE TANGENTIALLY EXTENDING FROM ONE OF THE ARCUATE PASSAGES TO THE ANNULAR RACE, A PISTON SLIDABLY MOUNTED WITHIN EACH OF THE SLOTS TO FORM PISTON CHAMBERS THEREIN, BEARING MEANS SLIDABLY MOUNTED WITHIN SAID ANNULAR RACES ON THE SIDE WALLS AND PIVOTALLY CONNECTED TO EACH OF SAID PISTONS FOR DISPLACING FLUID WITHIN SAI PERIPHERAL CHAMBER AND IMPARTING RECIPROCATING MOVEMENT TO THE PISTONS IN RESPONSE TO ROTATION OF THE ROTOR, A FLUID INLET CONNECTED TO THE SIDE WALLS IN COMMUNICATION WITH THE OTHER OF THE ARCUATE PASSAGES, AN EXHAUST OUTLET CONNECTED TO THE HOUSING IN COMMUNICATION WITH SAID PERIPHERAL CHAMBER, AND IGNITION MEANS MOUNTED BY THE HOUSING FOR COMMUNICATION WITH THE PERIPHERAL CHAMBER CIRCUMFERENTIALLY SPACED FROM THE OUTLET.