Rotary engine

Claim 1

A ROTARY PRIME MOVER, COMPRISING, IN COMBINATION, A HOUSING DEFINING A PAIR OF ELONGATED SMOOTH WALLED CHAMBERS THEREIN, OINE SAID CHAMBER BEING A COMPRESSION CHAMBER AND THE OTHER A POWER CHAMBER, A SHAFT JOURNALLED IN SAID HOUSING AND PASSING THROUGH SAID CHAMBERS, A CYLINDRICAL ROTOR DISPOSED UPON SAID SHAFT IN EACH OF SAID CHAMBERS, EACH SAID FOR ROTOR HAVING A PLURALITY OF EQUALLY SPACED RADIALLY EXTENSIBLE VANES, SAID VANES ON EACH ROTOR BEING RADIALLY ALIGNED, AND RODS EXTENDING BETWEEN SAID ROTORS INTERCONNECTING SAID SO ALIGNED VANES, SPRING MEANS CONNECTED WITH SAID RODS, SAID SPRING MEANS CONTINUOUSLY BIASING SAID VANES OUTWARDLY AGAINST THE INNER WALL OF SAID CHAMBER, ADJACENT VANES DEFINGING A VARIABLE VOLUME WORK SPACE THEREBETWEEN, A COMPRESSIBLE FLUID BEING RECEIVED IN A RELATIVELY LARGE VOLUME WORK SPACE OF SAID COMPRESSIN CHAMBER, AND BEING COMPRESSED AS SAID ROTOR ROTATES, A PASSAGE FORMED IN THE PERIPHERAL WALL OF SAID HOUSING FOR TRANSFERRING SAID COMPRESSED FLUID FROM SAID COMPRESSION CHAMBER TO SAID POWER CHAMBER, HEATER MEANS CONNECTED WITH SAID POWER CHAMBER, ADJACENT SAID PASSAGE FOR HEATING SAID COMPRESSED FLUID, WHEREBY SAID HEATED, COMPRESSED FLUID RAPIDLY EXPANDS IN SAID POWER CHAMBER AGAINST SAID VANES ON SAID POWER ROTOR FOR CAUSING ROTATION OF SAID SAME TO DRIVE SAID SHAFT.