Rotary gas compressor

Claim 1

A ROTARY GAS COMPRESSOR COMPRISING AN OUTER CASING HAVING A CYLINDRICAL RECESS THEREIN; A BEARING CARRIER ON SAID CASING DISPOSED AXIALLY OF SAID RECESS; AN INPUT SHAFT JOURNALED IN SAID CARRIER AND EXTENDING INTO SAID RECESS; A CYLINDRICAL INNER COMPRESSION CASING WITHIN SAID RECESS; AND HAVING AN AXIAL HOLE FOR SAID SHAFT, AND HAVING A NON-CYLINDRICAL DOUBLE BI-CENTER SEMI-TORUS RING COMPRESSION CHAMBER THEREIN PROVIDED WITH TWO SETS OF SUCTION GAS PORTS AND DISCHARGE GAS PORTS; A CYLINDRICAL ROTOR WITHIN SAID COMPRESSION CHAMBER KEYED TO SAID SHAFT AND OF WIDTH CONFORMING WITH THAT OF THE COMPRESSION CHAMBER, THE PERIPHERY OF THE ROTOR AND THE PERIPHERAL WALL OF THE COMPRESSION CHAMBER BEING ROUNDED ON THE SAME RADIUS WHEREBY THE ROTOR IS TANGENT TO THE WALLS OF THE COMPRESSION CHAMBER AT POINTS ON THE HORIZONTAL AXIS OF THE SHAFT THEREBY LEAVING CRESCENT-SHAPED COMPRESSION SPACES BETWEEN THE UPPER AND LOWER PORTIONS OF THE ROTOR AND THE TOP AND BOTTOM PORTIONS OF THE COMPRESSION CHAMBER DISPOSED 180* APART INTO WHICH THE DISCHARGE PORTS AND SUCTION PORTS EXTEND; SAID ROTOR HAVING FOUR RADIAL SLOTS SPACED 90* APART; SLIDABLE VANES IN SAID SLOTS HAVING PERIPHERIES ROUNDED ON THE SAME RADIUS AS THE PERIPHERAL WALLS OF THE ROTOR AND COMPRESSION CHAMBER, AND MEANS FOR COOLING THE OUTER CASING AND INNER COMPERSSION CHAMBER CARRIED THEREBY.