Rotary combustion engines

Claim 1

A ROTARY COMBUSTION ENGINE HAVING A CYCLE WHICH INCLUDES THE FOUR PHASES OF INTAKE, COMPRESSION, EXPANSION, AND EXHAUST, THE ENGINE COMPRISING AN OUTER BODY HAVING SPACED END WALLS AND A PERIPHERAL WALL INTERCONNECTING THE END WALLS TO DEFINE, BETWEEN THESE WALLS, A CAVITY HAVING AN AXIS ALONG WHICH THE END WALLS ARE SPACED, A ROTOR RECEIVED WITHIN THE OUTER BODY CAVITY AND SUPPORTED FOR RELATIVE ROTATION WITH RESPECT TO THE OUTER BODY WITH THE AXIS OF THE ROTOR BEING LATERALLY SPACED FROM BUT PARALLEL TO THE AXIS OF THE OUTER BODY CAVITY, THE ROTOR HAVING AXIALLY-SPACED END FACES DISPOSED ADJACENT TO AND IN SEALING ENGAGEMENT WITH THE END WALLS AND A PLURALITY OF CIRCUMFERENTIALLY-SPACED APEX PORTIONS, EACH APEX PORTION HAVING SEAL MEANS DISPOSED IN SEALING ENGAGEMENT WITH THE INNER SURFACE OF THE PERIPHERAL WALL TO FORM A PLURALITY OF WORKING CHAMBERS BETWEEN THE ROTOR AND OUTER BODY WHICH VARY IN VOLUME UPON RELATIVE ROTATION OF THE ROTOR AND OUTER BODY, THE ROTOR HAVING WORKING FACES INTERCONNECTING APEX PORTIONS AND EXTENDING FROM ONE APEX PORTION TO AN ADJACENT APEX PORTION, THE INNER SURFACE OF THE PERIPHERAL WALL OF THE OUTER BODY HAVING A PLURALITY OF REGIONS DISPOSED AT A MINIMUM RADIUS FROM AND PARALLEL TO ITS AXIS, THE WORKING FACES OF THE ROTOR COMPRISING A FIRST SURFACE HAVING TWO AREAS, ONE AREA BEING ADJACENT TO ONE APEX PORTION SEAL MEANS OF