A rotor for an electrical axial flux machine that can be operated as a motor and/or generator includes a support, a plurality of magnet elements arranged against, on, or in the support and running radially from the interior outward. The magnet elements are magnetized in a circumferential direction and arranged individually or in groups in series around the circumference with alternating opposing magnetization directions. A plurality of flux conduction elements which conduct the magnetic flux are arranged against, on, or in the support and around the circumference, between the magnet elements. At least one conduction element arranged between two magnet elements is formed by a plurality of individual flux conduction elements, the individual flux conduction elements being formed such that they conduct the magnetic flux tangentially in a circumferential direction and block the flux in a radial direction

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.

An electric vehicle with magnetic induction power generating device includes an vehicle body, at least one battery pack installed inside the vehicle body, at least one power generation device electrically coupled to the at least one battery pack for providing electricity, a transmission device placed between the battery pack and the power generating device, and at least one motor for driving the electric vehicle, wherein the at least one power generating device can be coupled to at least one free-running wheel of the vehicle for converting a rotating energy of the at least one free-running wheel into electricity.

Disclosed is a motor or generator comprises a rotor and a stator, wherein the rotor has an axis of rotation and is configured to generate first magnetic flux parallel to the axis of rotation, the stator is configured to generate second magnetic flux parallel to the axis of rotation, and at least one of the rotor or the stator is configured to generate a magnetic flux profile that is non-uniformly distributed about the axis of rotation. Also disclosed is a method that involves arranging one or more magnetic flux producing windings of a stator non-uniformly about an axis of rotation of a rotor of an axial flux motor or generator.

In a rotor core and a motor including the rotor core, a rotor yoke includes magnetic pole core groups arranged in a circumferential direction and each including a magnetic conductor at a center and permanent magnets around the magnetic conductor. A center of each magnetic pole core group is defined by the magnetic conductor, so that the number of magnets used can be reduced to achieve low cost. The permanent magnets around the magnetic conductor increases a magnetic flux concentration effect while preventing magnetic flux leakage to achieve high efficiency and high performance.

An axial flux rotary electric machine including at least one stator and at least one rotor that are arranged along an axis of rotation of the machine, the rotor including a rotor mass and housings created in the rotor mass, the housings defining magnetic poles of the rotor, each of the housings being able to contain or not contain at least one permanent magnet.

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.

A device has a housing and rotors rotatably coupled to the housing. Each rotor has a magnet on at least one side of the rotor. Printed circuit board (PCB) stators are located axially between the rotors and coupled to the housing. The PCB stators have layers, and each layer has coils. The number of rotors disks is equal to the number of stators plus one. The stators are interleaved with the rotors. A shaft is coupled to the rotors and the housing. The shaft has a hollow section coupled to a source of a liquid coolant through a rotary connector and to radial channels in the shaft that dispense a liquid coolant between the rotors and PCB stators. The shaft has flanges with different diameters configured to receive the rotors disks with respective matching bore diameters. In addition, the housing has a sump to collect the liquid coolant.

A device has a housing and rotors rotatably coupled to the housing. Each rotor has a magnet on at least one side of the rotor. Printed circuit board (PCB) stators are located axially between the rotors and coupled to the housing. The PCB stators have layers, and each layer has coils. The number of rotors disks is equal to the number of stators plus one. The stators are interleaved with the rotors. A shaft is coupled to the rotors and the housing. The shaft has a hollow section coupled to a source of a liquid coolant through a rotary connector and to radial channels in the shaft that dispense a liquid coolant between the rotors and PCB stators. The shaft has flanges with different diameters configured to receive the rotors disks with respective matching bore diameters. In addition, the housing has a sump to collect the liquid coolant.

An axial flux motor is provided and includes a shaft, at least one rotor connected to the shaft, and a stator. The stator includes a stator core and an electrically conductive wire. The stator core is segmented and ring-shaped and includes a central opening through which the shaft extends to the at least one rotor. The stator core includes a hybrid segment. The hybrid segment includes soft magnetic composite material components and laminated layered blocks. The laminated layered blocks include two inclined laminated layered blocks, where a distance between the two inclined laminated layered blocks increases radially along a radially extending centerline of the hybrid segment. The electrically conductive wire wound on the hybrid segment.