Sliding vane rotary piston engine and compression seals therefor

Claim 1

A ROTARY INTERNAL COMBUSTION ENGINE COMPRISING A CASING HAVING THEREIN A CYLINDRICAL WORKING CHAMBER INCLUDING A CYLINDRICAL PERIPHERAL SIDE WALL AND A PAIR OF CIRCULAR END WALLS CONNECTED THERETO, A ROTOR JOURNALED IN SAID CASING FOR ROTATION ABOUT AN AXIS ECCENTRIC TO SAID CYLINDRICAL WALL WHEREBY TO VARIABLY SPACE THE ADJACENT PERIPHERAL SURFACES OF THE ROTOR AND CYLINDRICAL WALL THROUGHOUT THEIR CIRCUMFERENCES, SAID ROTOR HAVING AN AXIAL BORE OPENING INWARDLY FROM ONE END OF THE ROTOR FOR THE FLOW OF LUBRICANT THEREINTO, SAID ROTOR HAVING CIRCUMFERENTIALLY SPACED PAIRS OF DIAMETRICALLY OPPOSED SLOTS EXTENDING INWARDLY FROM THE PERIPHERY OF SAID ROTOR AND HAVING BOTTOM WALLS SPACED FROM SAID AXIAL BORE, SAID ROTOR HAVING CIRCUMFERENTIALLY SPACED PAIRS OF AXIALLY SPACED RADIAL BORES, EACH OF SAID PAIR OF RADIAL BORES ESTABLISHING COMMUNICATION BETWEEN SAID AXIAL BORE AND ONE OF SAID SLOT THROUGH THE BOTTOM WALL OF THE LATTER, A COMPRESSION BLADE SLIDABLY DIUSPOSED IN EACH SLOT AND PROJECTIBLE THEREFROM INTO CONTINUOUS SEALING ENGAGEMENT WITH SAID CYLINDRICAL SIDE WALL, SAID BLADES DEFINING WITH SAID CASING SIDE AND END WALLS, PLURALITY OF CIRCUMFERENTIALLY SPACED COMBUSTION CHAMBERS, FUEL SUPPLY EXHAUST AND IGNITION MEANS ON SAID CASING COOPERATING WITH SAID COMBUSTION CHAMBERS, EACH BLADE HAVING A PAIR OF GUIDE BORES OPENING INTO THE ASSOCIATED SLOT ADJACENT ITS BOTTOM WALL AND ALINED WITH THE RADIAL BORES OF SAID ASSOCIATED SLOT, A PAIR OF GUIDE RODS OF EACH PAIR OF DIAMETRICALLY OPPOSED BLADES, EACH GUIDE ROD BEING SLIDABLY DISPOSED IN THE ALIGNED RADIAL BORES OF SAID ROTOR AND THE ALIGNED GUIDE BORES IN THE ASSOCIATED BLADES, A SPRING EMBRACING EACH GUIDE ROD AND EXTENDING THROUGH SAID AXIAL BORE AND ABUTTING THE ADJACENT ENDS OF THE PAIRS OF ASSOCIATED BLADES.