A coil unit may include a coil in a substantially rectangular frame shape; and a coil holding member. A thickness direction of the coil may be perpendicular to a long side of the coil and a short side of the coil. An outer peripheral face of the coil holding member may include an abutting face in a flat shape with which the coil is abutted. A protruded part may be formed formed so as to protrude from the abutting face to an outer side of the coil holding member. A protruded part end face parallel to the abutting face may be formed on a tip end side of the protruded part in a protruding direction of the protruded part. A distance between the abutting face and the protruded part end face may be equal to a thickness of the coil.

A coil unit may include a coil in a substantially rectangular frame shape; and a coil holding member. A thickness direction of the coil may be perpendicular to a long side of the coil and a short side of the coil. An outer peripheral face of the coil holding member may include an abutting face in a flat shape with which the coil is abutted. A protruded part may be formed formed so as to protrude from the abutting face to an outer side of the coil holding member. A protruded part end face parallel to the abutting face may be formed on a tip end side of the protruded part in a protruding direction of the protruded part. A distance between the abutting face and the protruded part end face may be equal to a thickness of the coil.

A coreless motor includes a rotating shaft, a rotor plate attached to the rotating shaft, and a coil supported by the rotor plate. The coil includes a carbon nanotube electric wire, the carbon nanotube electric wire including a carbon nanotube wire and a coating layer, the carbon nanotube wire including a plurality of carbon nanotubes, the coating layer including an insulating layer that covers the carbon nanotube wire so as to insulate the carbon nanotube wire.

Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel, and where the magnetic toroidal cylindrical tunnel comprises magnets having a NNSS or SSNN pole configuration.

Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel, and where the magnetic toroidal cylindrical tunnel comprises magnets having a NNSS or SSNN pole configuration.

A method for producing a winding of a coil around a component, of an electric motor, wherein in order to produce the winding, at least one wire is guided over at least one arm encircling the component in a rotational movement in such a way that the wire is wound around the component in successive turns, wherein at least one image acquisition device and/or at least one computer unit provides information about the course of turns that have already been wound, wherein the arm is dynamically controlled in a type of movement different from the encircling rotational movement, in such a way that the turn currently being applied by the movement follows a determined turn course that is optimized with respect to previously applied adjacent turns.

A method for producing a winding of a coil around a component, of an electric motor, wherein in order to produce the winding, at least one wire is guided over at least one arm encircling the component in a rotational movement in such a way that the wire is wound around the component in successive turns, wherein at least one image acquisition device and/or at least one computer unit provides information about the course of turns that have already been wound, wherein the arm is dynamically controlled in a type of movement different from the encircling rotational movement, in such a way that the turn currently being applied by the movement follows a determined turn course that is optimized with respect to previously applied adjacent turns.

A manufacturing method for a rotary electric machine is equipped with an insertion roller having an outer circumferential surface configured to contact a coil lead line in such a manner that the coil lead line is inserted into accommodating grooves of an insulator, a roller support section that rotatably supports the insertion roller, and a bending unit that performs a bending process to bend the coil lead line by coming into contact with the coil lead line so as to form a terminal part.

A manufacturing method for a rotary electric machine is equipped with an insertion roller having an outer circumferential surface configured to contact a coil lead line in such a manner that the coil lead line is inserted into accommodating grooves of an insulator, a roller support section that rotatably supports the insertion roller, and a bending unit that performs a bending process to bend the coil lead line by coming into contact with the coil lead line so as to form a terminal part.

A stator assembly method of assembling a stator that includes a stator core that includes a slot that has an opening that opens on one side in a radial direction, a coil that includes a slot-housed portion housed in the slot, and insulation disposed between the slot and the slot-housed portion, the method including disposing the insulation in the slot; opening a portion of the insulation on the one side in the radial direction by inserting a first guide jig into the insulation, which is disposed in the slot, along a center axis direction of the stator core, after disposing the insulation; and inserting the slot-housed portion into the slot via the opening by moving the coil and the first guide jig together toward the other side in the radial direction with respect to the stator core, after opening the portion of the insulation.