A brushless DC motor (BLDC) includes a stator having a ring-shaped body with multiple stator posts extending axially outward from the ring-shaped body. A plurality of stator windings are each wound about a corresponding one of the stator posts. A rotor support structure is positioned radially inward of the multiple stator posts. A rotor including a shaft is received in the rotor support structure. A first rotor disk is fixed to a first end of the shaft. At least a first set of magnets is disposed about the rotor disk and positioned radially adjacent to the stator posts such that the first set of magnets and the stator windings define a first radial flux flowpath. A second set of magnets positioned relative to the stator posts in one of an axial adjacency or a radial adjacency such that a second flux flowpath is defined.

An axial flux electric motor for an automobile includes a stator assembly, and a rotor assembly, the rotor assembly including a plurality of lamination blocks arranged in an annular pattern, a plurality of conductive wedges, one conductive wedge being positioned between each adjacent pair of lamination blocks, the plurality of lamination blocks and the plurality of conductive wedges defining a rotor core disk having an inner diameter and outer diameter and opposing axial faces, and a plurality of permanent magnets attached to one of the opposing axial faces of the rotor core disk.

Provided is a disc-type ironless permanent magnet synchronous generator powered by an auxiliary power supply, which comprises a stator coil disc and a pair of permanent magnet rotor discs (1) positioned on two sides of the stator coil disc and arranged with a gap therebetween, a circle of main coils (3) are fixedly arranged on the stator coil disc around a center of the disc, the main coil is a main winding of an electric motor to output electric energy, an auxiliary winding independent from the main winding is arranged on a circumference formed by the main coils (3) in a surrounding manner, and output power of the auxiliary winding is less than output power of the main winding.

An axial flux rotary generator comprising: two magnetic annuli; a coil annulus; the magnetic annuli and coil annulus having a common axis; the two magnetic annuli defining a plurality of magnetic fields around the common axis extending across a gap between the two magnetic annuli and the coil annulus having a sequence of coils attached around the common axis in the gap such that lines of magnetic flux from the magnetic fields cut the turns of the coils and thus induce electric current in the coils as the magnetic annuli are caused to rotate relative to the coil annulus; wherein a relative positioning of individual magnetic fields and a relative positioning of centers and sizing of individual coils in the sequence of coils is such that (i) the electric currents in the individual coils of the sequence of coils are in excess of three phases relative to one another, and (ii) the number of common factors other than one between the number of coils in the sequence of coils and the number of individual magnetic fields around the common axis is one or zero.

A stator includes layers of coated conductor. The coating is insulative and provides electrical isolation of adjacent conductor layers. The multiple layers of coated conductor form a stator core, and the stator includes magnet assemblies that sandwich the stator core. The conductor layers stack in a direction orthogonal to a plane of the magnet assemblies. The conductor layers have a rectangular cross section.

A magnet structure comprising a plurality of individual magnets in the form of an elongate block (4) having a length (4a) extending beyond the thickness of the magnet structure. The elongate block (4) is cylindrical or polyhedral in shape with at least one flat longitudinal face (4b) orientated towards a working surface of the magnet structure, the elongate block (4) having a line of magnetisation extending along its length. The individual magnets (4) being positioned at a distance from each other in the magnet structure in order to be electrically isolated from each other, the length (4a) of each block (4) being greater than the diameter of the flat longitudinal face (4b) for a cylindrical block (4) or with a larger diagonal (4c) connecting two apexes of said longitudinal face (4b) for a block (4) in the form of a polyhedron.

Disclosed are various embodiments for a new and improved electrical motor/generator, specifically a motor/generator comprising: a plurality of coils radially positioned about a coil assembly, a plurality of magnetic tunnels forming a relative rotational path for the coil assembly, wherein the all of plurality of magnets forming each magnetic tunnel have like poles facing inward toward the interior of the magnetic tunnel or facing outward away from the interior of the magnetic tunnel such that each magnetic field of any magnetic tunnel is of an opposite polarity to the magnetic field of an adjacent magnetic tunnel.

A new and improved method for producing electric energy or mechanical power, and in particular to an improved system and method for producing rotary motion from an electro-magnetic motor or generating electrical power from a rotary motion input by concentrating magnetic forces due to electromagnetism or geometric configurations.

Provided is a motor including a shaft; two rotors attached to the shaft and spaced from each other in an axial direction by a predetermined distance; a stator arranged between the two rotors; a busbar unit arranged on one axial side of at least one of the two rotors, and arranged to hold a busbar; and a housing arranged to hold the stator and house the two rotors therein. The stator includes a plurality of cores arranged in a circumferential direction, and coils wound around the cores. A lead wire drawn out from the coils is arranged to extend, radially outside of the one of the rotors, from the corresponding core to a position on the one axial side of the one of the rotors, and is connected to the busbar at the position. The busbar unit is housed in the housing.

An electric motor-clutch assembly is described, wherein the electric motor comprises a rotor comprising a free surface which forms part of the external surface of the motor, the clutch comprises a friction disc and the friction disc is mounted axially movable to selectively contact said free surface.