Motor-compressor unit

Claim 1

A MOTOR-COMPRESSOR UNIT COMPRISING MEANS DEFINING A CYLINDRICAL HOUSING, MEANS PROVIDED IN SAID HOUSING FOR DEFINING AT LEAST FIRST AND SECOND MOTOR COMPARTMENTS AND AT LEAST ONE COMPRESSOR COMPARTMENT, SAID PARTITION MEANS INCLUDING A FIRST MEMBER BETWEEN SAID FIRST AND SECOND MOTOR COMPARTMENTS AND A SECOND PARTITION MEMBER BETWEEN SAID SECOND MOTOR COMPARTMENT AND SAID COMPRESSOR COMPARTMENT, A SINGLE MAIN SHAFT EXTENDING AXIALLY OF SAID HOUSING AND THROUGH SAID COMPARTMENTS, MEANS FOR JOURNALING SAID SHAFT PROVIDED IN SAID PARTITIONING MEANS, A STATOR FIXEDLY MOUNTED IN EACH MOTOR COMPARTMENT AND SAID COMPRESSOR COMPARTMENT, EACH STATOR HAVING A BORE THROUGH WHICH SAID SHAFT EXTENDS, A ROTOR PROVIDED WITHIN THE BORE OF EACH STATOR AND BEING MOUNTED UPON SAID SHAFT FOR ROTATION THEREWITH, VANES MOUNTED ON EACH ROTOR, EACH OF SAID STATORS AND SAID FIRST AND SECOND PARTITION MEMBERS BEING SPACED THROUGOUT THEIR OUTER FACES FROM THE CONFRONTING INTERIOR FACE OF SAID HOUSING TO DEFINE THEREWITH AN INTERVENING CIRCUMFERENTIAL PASSAGE, MEANS FOR INTRODUCING MOTIVE FLUID TO SAID MOTOR COMPARTMENTS FOR EFFECTING A DRIVING FORCE UPON THE VANES OF THE ROTORS THEREIN, MEANS FOR INTRODUCING FLUID FOR COMPRESSION TO SAID COMPRESSOR COMPARTMENT, FIRST AND SECOND FLUID DISCHARGE MEANS FOR FLOW OF FLUID FROM SAID MOTOR COMPARTMENTS AND SAID COMPRESSOR COMPARTMENT INTO SAID CIRCUMFERENTIAL PASSAGE.