Multi-stage compressor

Claim 1

A COMPRESSOR FOR GASES COMPRISING A CASING, HORIZONTAL SHAFT, EXTENDING THROUGH SAID CASING, A PAIR OF SPACED SUPPORT BEARINGS ROTATABLY SUPPORTING SAID SHAFT, EXHAUST MEANS LOCATED ADJACENT A PLACE INTERMEDIATE THE ENDS OF SAID SHAFT, A PLURALITY OF STATIONARY PLATES DISPOSED IN SAID CASING, A PLURALITY OF OUTER SLEEVES IN SAID CASING ALTERNATED WITH SAID PLATES AND ENGAGING OPPOSITE SIDES OF SAID PLATES, A FIRST SERIES OF COMPRESSOR STAGES LOCATED AROUND SAID SHAFT ON ONE SIDE OF EXHAUST MEANS, A SECOND SERIES OF COMPRESSOR STAGES LOCATED AROUND SAID SHAFT TO THE OPPOSITE SIDE OF SAID EXHAUST MEANS FROM AND FIRST SERIES, A FIRST INLET MEANS FOR FIRST SERIES LOCATED REMOTE FROM SAID EXHAUST MEANS, A SECOND INLET MEANS FOR SAID SECOND SERIES LOCATED REMOTE FROM SAID EXHAUST MEANS AND SAID FIRST INLET MEANS, SAID FIRST SERIES AND SAID SECOND SERIES OF COMPRESSOR STAGES BEING IN EQUAL AND OPPOSING RELATIONSHIP TO CANCEL ANY END THRUST THEREOF ON SAID SHAFT, MEANS OPERABLY COUPLED TO SAID SHAFT FOR THE ROTATION THEREOF; EACH OF SAID COMPRESSOR STAGES COMPRISING ONE OF SAID STATIONARY PLATES, AN UPSTREAM PORTION HAVING A CENTRAL APERTURE, SAID UPSTREAM PORTION BEING MOUNTED AROUND SAID SHAFT WITH SAID SHAFT EXTENDING THROUGH SAID APERTURE AND SPACED FROM SAID UPSTREAM PORTION TO PROVIDE AN INLET, A CIRCULAR ROTARY PLATE HAVING A CENTRAL HOLE THEREIN AND HAVING AN UPSTREAM FACE REMOTE FROM SAID EXHAUST MEANS, SAID ROTARY PLATE HAVFIXEDLY MOUNTED ON SAID SHAFT AND BEING SPACED DOWNSTREAM OF SAID UPSTREAM PORTION TO ESTABLISH A FIRST PASSAGEWAY FOR THE GAS TO MOVE, A PLURALITY OF FIRST BLADE MEANS MOUNTED ON SAID UPSTREAM FACE OF SAID ROTARY PLATE FOR CAUSING THE GAS TO MOVE OUTWARDLY THROUGH SAID