An electrical machine, as a prime mover of an electrically driven motor vehicle, including a rotor and a stator, wherein the stator surrounds a substantially cylindrical space area, in which the rotor is rotatably arranged, the rotor includes a rotor shaft, on which a rotor core is arranged, the rotor core including groove-like recesses which extend toward the rotor shaft, electrically conductive conductors of a rotor winding and a displacement body for arranging the conductors in the groove-like recess are provided in the groove-like recesses, and at least one cooling channel, which extends in a longitudinal direction of the rotor shaft, is arranged in at least one groove-like recess.

A star disc has integrated current busbars for the interconnecting of rotor windings. A rotor may comprise the star disc, and a method may comprise producing the rotor.

A method for producing a winding head support for a rotor of a rotating electric machine. To enable the production of even particularly large winding head supports in a simultaneously simple manner, it is provided that the winding head support is formed using an additive manufacturing process, in particular by wire arc buildup welding. Embodiments also relate to a winding head support.

An electromagnetic pole for a rotary electric machine with an axis of rotation is disclosed. The electromagnetic pole has a tooth comprising a tooth core of magnetic material. The tooth core is a laminated tooth core comprising a plurality of steel plates stacked in the direction of the axis of rotation. The electromagnetic pole also has a coil with a wire wound around the tooth core and at least one outer layer of the wire and one under layer of the wire. First portions of the wire of the outer layer are secured with second portions of the wire of the under layer by an adhesive material covering at least partially one of the first portions of the wire. A rotor comprising such electromagnetic poles, an electric machine comprising such a rotor, and a method for producing such an electromagnetic pole are also disclosed.

A rotor including a rotor shaft, a rotor body formed of a stack of laminations, a field coil wound around the rotor body, and at least one slip ring mounted on the rotor shaft and configured to exchange electric power with an external power supply. Each of the at least one slip ring is configured to be electrically connected to an end of the field coil through an electrical connector. The electrical connector is pre-bended such that to comprise an axial portion and a radial portion respectively located on both sides of a bend, the axial portion being configured to pass through an axial bore of the rotor shaft, the radial portion being configured to pass through a through bore of the rotor shaft.

An electromagnetic pole (17) for a rotary electric machine is disclosed. The pole has a tooth (18) comprising a tooth body (19), the tooth (18) being radially oriented and the tooth (18) comprising a recess (21), a coil (16) comprising a plurality of wire turns (20) wound around the tooth (18) between a first radial end (28) and a second radial end (29), the wire turns (20) which are the most distant from the tooth body (19) between the first radial end (28) and the second radial end (29), forming an outer wire layer (22), the coil (16) comprising a bracing wire (14), the bracing wire (14) being wound on the outer wire layer (22) from the first radial end (28) to the second radial end (29) in less than one turn around the tooth (18) so as to hold in position the outer wire layer (22).

A rotor, in particular of an electrical machine, has a base body and at least one metallic end plate which is mounted on the base body. The base body and the at least one end plate have a continuous layer which is injection molded.

Disclosed is a machine having a moving member. The moving member including a cold plate having a plurality of slots through the cold plate. The moving member also including a plurality of ferromagnetic cores coupled to the cold plate, each of the plurality of ferromagnetic cores protruding through a respective one of the plurality of slots, creating gaps between the plurality of ferromagnetic cores. The moving member also including a plurality of armature windings coupled to the cold plate, the plurality of armature windings occupying the gaps between the plurality of ferromagnetic cores.

A Wound Rotor Synchronous Motor (WRSM) includes a rotor body that is rotatably installed at a predetermined gap within a stator and a rotor coil that is wound at a plurality of rotor teeth. The WRSM includes: bobbins that are each disposed at both sides of a shaft direction of the rotor body so as to support the rotor coil and that are fixed to the rotor body by the rotor coil; a wedge member that is inserted in a shaft direction between rotor teeth of the rotor body so as to protrude to the outside of both ends of the rotor body, the wedge member supporting the rotor coil; and end coil covers that enclose a protruded portion of the wedge member at both sides of the shaft direction of the rotor body and that are each mounted at the bobbins.

A rotor of a rotating electrical machine includes a plurality of poles each extending on a first axis that is radial with respect to the rotor and on a second axis parallel to the rotor with respect to the rotor, each pole comprising a pole body, a rotor winding for each pole, positioned against the body of the pole, the rotor winding taking the form of a strip extending over the length of the pole body on the radial first axis wound against the pole body, a plurality of closure shims, a closure shim of the plurality of closure shims being in contact with a rotor winding associated with a pole body, the closure shim being configured to exert a pressure on the rotor winding towards the pole body.