Rotary piston impulse gas engine

Claim 1

A ROTARY TYPE INTERNAL COMBUSTION ENGINE COMPRISING, A COMMON DRIVE SHAFT, MEANS FORMING TWO STATIONARY ANNULAR COMBUSTION SUPPORTING SPACED AND OPPOSED RACEWAYS CONCENTRIC WITH THE AXIS OF SAID COMMON SHAFT, SPACED ROTOR ELEMENTS MOUNTED UPON SAID COMMON SHAFT EXTERNALLY OF SAID MEANS EACH HAVING IMPULSE RESPONSIVE VANES EXTENDING INTO AN ADJACENT ONE OF SAID RACEWAYS, SPACING MEANS DISPOSED BETWEEN SAID ANNULAR COMBUSTION SUPPORTING RACEWAYS FORMING A COMMON FUEL INTAKE MANIFOLD IN COMMUNICATION WITH EACH OF SAID RACEWAYS, A PAIR OF SPACED RACEWAY INTERSECTING DISCS ROTATING ABOUT AN AXIS AT A RIGHT ANGLE TO AND DRIVEN FROM SAID COMMON SHAFT HAVING SECTORS ROTATED IN PLANES INTERSECTING THE PLANES OF SAID RACEWAYS AT DIAMETRICALLY OPPOSITE SIDES OF SAID SPACING MEANS, AN IGNITION CIRCUIT RESPONSIVE TO THE ROTATION OF SAID RACEWAY INTERSECTING DISCS FOR ALTERNATELY IGNITING FUEL IN SAID ANNULAR COMBUSTION CHAMBERS AS THE SECTORS OF SAID DISCS OPERATING IN SAID FUEL INTAKE MANIFOLD SUCCESSIVELY INTERSECT SAID RAACEWAYS TO FORM FUEL INTAKE AND FUEL COMBUSTION ZONESD IN SAID RACEWAYS, A HOUSING SURROUNDING SAID PARTS FORMING A COMPLETE ENCLOSURE ABOUT SAID ENGINE, CHARACTERIZED BY THE FACT THAT RESIDUAL EXHAUST GASES FROM SAID RACEWAYS ARE CONFINED WITHIN SAID HOUSING FOR RECIRCULATION WITH THE INTAKE OF NEW FUEL.