Patent ID: 8310126

Claim:
One of a radial flux permanent magnet AC motor and generator comprising: a circular stator plate; a plurality of separately-formed electromagnet cores wound with wire to form a plurality of electromagnets; a separately-formed circular stator flux ring mounted on a top flat surface of said stator plate for providing a magnetic field path between said plurality of electromagnets, said stator flux ring having an inner cylindrical surface; said electromagnets being spaced equidistantly along said inner cylindrical surface of said stator flux ring to form an annular ring of electromagnets, said electromagnets having inner and outer surfaces and being positioned such that said outer surfaces of said electromagnets are in contact with said inner surface of said stator flux ring; a plurality of non-metallic anchor plates, one of said plurality of non-metallic anchor plates being mounted between two adjacent ones of said plurality of electromagnets on said top surface of said stator plate; a structural epoxy potting material filling a space between each one of said electromagnets and covering each of said anchor plates, said epoxy potting material and said anchor plates securing said ring of electromagnets against rotational forces produced during operation; a circular rotor mounted for rotation and positioned concentrically with said stator; a circular rotor flux ring mounted on said rotor, said rotor flux ring being axially and diametrically aligned with said stator flux ring, said rotor flux ring having an outer cylindrical surface; a plurality of permanent magnets mounted adjacent each other on said outer surface of said rotor flux ring to form an annular ring of permanent magnets within said annular ring of electromagnets, said permanent magnets having inner and outer surfaces and being positioned such that said inner surfaces of said permanent magnets contact said outer cylindrical surface of said rotor flux ring and said outer surfaces of said permanent magnets face said inner surfaces of said electromagnets across an air gap provided between said electromagnets; and a tube imbedded in said top surface of said stator plate, said tube formed to have two parallel circular legs, connected at one end in the form of a U and open at the other end to provide exit and entry ports for connection of the tube to an external coolant recirculation system, said parallel circular legs of said tube being imbedded in said top surface of said stator plate directly beneath said ring of electromagnets.