Rotary internal combustion engine

Claim 1

A ROTARY INTERNAL COMBUSTION ENGINE HAVING A CYCLE WHICH INCLUDES THE FOUR PHASES OF INTAKE, COMPRESSION, EXPANSION AND EXHAUST; SAID ENGINE COMPRISING AN OUTER BODY HAVING A CAVITY SYMMETRICALLY DISPOSED ABOUT AN AXIS, SAID OUTER BODY CAVITY BEING DEFINED BY THE INNER SURFACE OF A PERIPHERAL WALL HAVING AN EVEN NUMBER OF SYMMETRICALLY SPACED SIDE WALLS POSITIONED CIRCUMFERENTIALLY ABOUT SAID AXIS, AND INNER BODY RECEIVED WITHIN SAID OUTER BODY CAVITY AND SUPPORTED FOR RELATIVE ROTATION WITH RESPECT TO SAID OUTER BODY, THE AXIS OF SAID INNER BODY BEING LATERALLY SPACED FROM BUT PARALLEL TO THE AXIS OF SAID OUTER BODY, SAID INNER BODY BEING MOUNTED FOR ROTATION ABOUT THE AXIS OF SAID OUTER BODY, SAID INNER BODY HAVING SYMMETRICALLY DISPOSED SIDE WALLS WITH SURFACES FACING SAID OUTER BODY INNER SURFACE, SAID INNER BODY SIDE WALLS BEING ONE LESS IN NUMBER THAN SAID OUTER BODY SIDE WALLS, SAID INNER BODY SIDE WALLS BEING JOINED ALONG APEXES, EACH OF SAID APEXES HAVING ITS RADIALLY OUTERMOST EDGE DISPOSED SUBSTANTIALLY AT SAID OUTER BODY PERIPHERAL WALL INNER SURFACE IN ALL RELATIVE POSITIONS OF SAID INNER AND OUTER BODIES, SAID APEXES HAVING CONTINUOUS SEALING ENGAGEMENT WITH SAID OUTER BODY PERIPHERAL WALL INNER SURFACE SUCH THAT THE SPACE BETWEEN THE FACING SURFACES OF SAID INNER AND OUTER BODIES DEFINE A PLURALITY OF WORKING CHAMBERS WHICH INDIVIDUALLY VARY IN VOLUME UPON RELATIVE ROTATION OF THE INNER BODY WITH RESPECT TO THE OUTER BODY, EACH PORTION OF THE OUTER SURFACE OF THE INNER BODY BETWEEN A PAIR OF ADJACENT APEXES BEING SUCH THAT THE ADJACENT WORKING CHAMBER EXTENDS FROM ONE OF SAID APEXES TO THE OTHER IN ALL RELATIVE POSITIONS OF THE TWO BODIES, INLET PORTS ADJACENT ONE END OF SAIAD WORKING CHAMBERS, SAID INLET PORTS BEING EQUAL IN NUMBER TO ONE HALF THE SIDES OF SAID OUTER BODY SIDE WALLS, SAID INLET PORTS