Multi-unit rotary mechanism

Claim 1

A MULTI-UNIT ROTORY MECHANISM COMPRISING AT LEAST THREE AXIALLY ALIGNED ROTARY UNITS HAVING A COMMON ROTATABLE ONE-PIECE SHAFT, EACH SAID ROTARY UNIT HAVING A PERIPHERAL WALL MOUNTED COAXIALLY WITH SAID ONE PIECE SHAFT AND THE INNER SURFACE OF SAID PERIPHERAL WALL HAVING A MULTI-LOBED PROFILE, AN INTERMEDIATE HOUSING INTERCONNECTED WITH THE PERIPHERAL WALLS OF ADJACENT ROTARY UNITS AND AN END HOUSING INTERCONNECTED WITH THE PERIPHERAL WALLS OF TWO OF SAID ROTARY UNITS AND POSITIONED AT EACH AXIAL END OF SAID ROTARY MECHANISM THEREBY DEFINING A MULTILOBED CAVITY IN EACH OF SAID ROTARY UNITS WITH SAID ONE PIECE SHAFT PASSING THROUGH EACH OF SAID INTERMEDIATE HOUSING AND SAID END HOUSING, SAID ONE-PIECE SHAFT HAVING A PLURALITY OF AXIALLY-SPACED ECCENTRIC PORTIONS FORMED THEREON THERE BEING ONE ECCENTRIC PORTION FOR EACH OF SAID CAVITIES, SAID INTERMEDIATE HOUSING HAVING AN OPENING THEREIN WITH A RELATIVELY LARGER DIAMETER THAN EACH SAID ECCENTRIC PORTIONS, A ROTOR ROTATABLY SUPPORTED ON EACH OF SAID ECCENTRIC PORTIONS AND HAVING A PLURALITY OF CIRCUMFERENTIALLY-SPACED APEX PORTIONS FOR SEALING ENGAGMENT WITH THE INNER SURFACE OF SAID PERIPHERAL WALL AND EACH ROTOR CARRYING AN INTERNAL GEAR THEREON, A PLURALITY OF FIXED GEARS DISPOSED ABOUT SAID ONE-PIECE SHAFT, ONE FROM AND IN MESHING ENGAGEMENT WITH EACH OF SAID INTERNAL GEARS, SAID FIXED GEARS HAVING AN INNER DIAMETER LESS THAN THE OUTER DIAMETER OF SAID ECCENTRIC PORTIONS, AND EACH FIXED GEAR DISPOSED BYTWEEN THE END ECCENTRIC PORTIONS BEING SPLIT FOR ASSEMBLY ABOUT SAID ONE-PIECE SHAFT, WEDGE MEANS INSERTED BETWEEN AND IN TIGHT CONTACTING ENGAGEMENT WITH THE INNER SURFACE OF EACH OF SAID INTERMEDIATE HOUSINGS AND THE OUTER SURFACE OF EACH OF SAID SPLIT FIXED GEARS FOR SUPPORTING SAID SPLIT FIXED GEARS ON SAID INTERMEDIATE HOUSINGS AND FOR MAINTAINING SAID SPLIT FIXED GEARS IN FIXED POSITIONS, ON THEIR RESPECTIVE HOUSINGS.