Axial air gap motor adapted for canned pump

Claim 1

A WET, DOUBLE AXIAL AIR GAP POLYPHASE INDUCTION MOTOR COMPRISING, A PAIR OF STATOR MEANS EACH HAVING POLYPHASE WINDING MEANS AND MUTUALLY SPACED AXIALLY FROM EACH OTHER BY A RADIALLY ANNULAR GAP, THE SEPARATE WINDING MEANS ON SAID TWO STATOR MEANS BEING EACH RESPONSIVE TO CURRENT ENERGIZATION TO PRODUCE RESPECTIVE MAGNETIC FIELDS ROTATING IN PUSH-PULL MAGNETIC RELATION IN A COMMON DIRECTION AROUND SAID GAP, A ROTOR DISPOSED IN SAID GAP, SAID ROTOR BEING RESPONSIVE TO SAID FIELDS TO UNDERGO ROTATION AND TO BE OVERALL REPELLED FROM EACH STATOR MEANS, AND SAID ROTOR BEING IN AXIALLY SPACED RELATION FROM EACH OF SAID STATOR MEANS TO PROVIDE FOR RADIAL FLOW OF LIQUID ON OPPOSITE SIDES OF SAID ROTOR IN PATHS EACH DISPOSED BETWEEN AND BOUNDED BY SAID ROTOR AND ONE OF SAID STATOR MEANS, THE SURFACE PORTION OF SAID ROTOR EXPOSED TO LIQUID IN SAID PATHS BEING PROVIDED BY ROTOR MATERIAL OF HOMOGENEOUS COMPOSITION, AND MEANS IMPERMEABLE TO SAID LIQUID AND INTERPOSED BETWEEN EACH OF SAID PATHS AND THE WINDING MEANS OF THE STATOR MEANS BOUNDING THAT PATH SO AS TO PROTECT SUCH WINDING MEANS FROM LIQUID IN SUCH PATH.