Rotary machine with end plates sealing blades sliding in slots in a rotor

Claim 1

A ROTARY MACHINE COMPRISING A CASING HAVING A CYLINDRICAL PERIPHERAL WALL AND FLAT, SINGLE PLANE PARALLEL SPACED END WALLS COOPERATIVELY FORMING A CYLINDRICAL CHAMBER, A SHAFT JOURNALED ECCENTRICALLY IN SAID CYLINDRICAL CHAMBER, A CYLINDRICAL ROTOR ON SAID SHAFT IN TANGENTIAL RELATION WITH THE SURROUNDING CYLINDRICAL WALL OF THE CHAMBER, SAID PERIPHERAL WALL HAVING INLET AND OUTLET PASSAGES LOCATED AT OPPOSITE SIDES OF THE LINE OF TANGENCY OF THE ROTOR, SAID ROTOR HAVING RADIALLY DISPOSED GUIDE SLOTS, BLADES SLIDINGLY CONTAINED IN SAID SLOTS IN COOPERATIVE RELATION WITH THE SURROUNDINGS PERIPHERAL WALL OF THE CASING, THIN, FLAT SINGLE PLANE CIRCULAR END PLATES COVERING OPPOSITE ENDS OF THE ROTOR AND BLADES SEATED THEREIN, SAID END PLATES HAVING CONTINUOUS SMOOTH, FLAT OUTER FACES IN FREE RUNNING RELATION WITH THE END WALLS OF THE CASING, PROJECTIONS ON THE INNER FACES OF SAID END PLATES RADIALLY PORTIONED TO ENGAGE ENDS OF THE BLADES IN THE ROTOR, AND SAID ROTOR HAVING ANNULAR GROOVES IN THE ENDS OF THE SAME POSITIONED TO FREELY RECEIVE SAID PROJECTIONS ON THE INNER FACES OF THE END PLATES.