The disclosure provides a device and a method for manufacturing a wire for a wound stator of an automotive generator. The wire includes a core and a coating surrounding the core. The wire manufacturing device includes a coating removing component, a movable holding component, a deforming component and a flattening component. The coating removing component is configured for removing the coating at a first position. The movable holding component is configured for holding and moving the wire from a first position to a second position. The deforming component is configured for deforming the wire into a waved shape. The flattening component is configured for flattening several parts of the wire that are spaced apart from each other.

The present disclosure provides an electrical connection cap of a stator. The electrical connection cap includes a housing and at least one connection sheet. The housing has a first opening and a second opening. The at least one connection sheet is embedded within the housing and has a first receiving part positioned in the first opening, and a second receiving part positioned in the second opening.

The present disclosure provides a system and a method for inserting a wire having a wavy shape into a stator core. The system includes a rotating receiver, a confining component, an expanding component and a pressing component. The rotating receiver is for rotating around an axis and receiving the wire. The rotating receiver includes multiple slots circumferentially disposed thereon. The slots extend along the axis. The confining component is for confining two adjacent linear segments of the wire separate within a space defined by the confining component. The expanding component is for adjusting the two adjacent linear segments so that they are separated from each other by a predetermined interval inside the space. The pressing component is for pressing the two linear segments into two of the multiple slots.

A rotational electric machine achieving both of productivity and insulation property is provided. A rotational electric machine includes an iron core having a plurality of slots, and a plurality of segment conductive bodies arranged in the slots, wherein the iron core includes a coil guide arranged at, at least, one of opening portions of the slots, and the coil guide includes a slot insertion portion located between the slot and the segment conductive body and at least one separation portion located between the segment conductive bodies, and the slot insertion portion and the separation portion are arranged in the slot together with the segment conductive body.

Provided are an alignment method and an alignment device by which, immediately before aligning, the leg parts of adjacent conductors do not interfere with each other. The alignment method, in which by providing a plurality of coil elements (40) in an annular shape and moving the plurality of coil elements (40) in a direction in which the diameter of the annular shape is reduced, the plurality of coil elements (40) are aligned in a state where turn sections (42) provided at substantially apex portions are alternately overlapped, wherein the plurality of coil elements (40) are aligned by moving each of the plurality of coil elements (40) toward an annularly shaped center, and while doing so, rotating the plurality of coil elements about a rotation axis (231e) that is parallel to the central axis (C1) of the annular shape.

An assembling device (10) includes a first rotating portion (11), a second rotating portion (12), and eighteen support arms (13) for supporting coil segments (4), and a motor (29). The first rotating portion (11) includes a first rotating plate (11a) having first holding portions (1d) on an outer peripheral surface thereof. The second rotating portion (12) includes a second rotating plate (12a) having second holding portions (12c) on an outer peripheral surface thereof. The motor (29) rotates the first rotating portion (11) in a counterclockwise direction D1, and the second rotating portion in a clockwise direction D2. Thus, the base parts (21) of the first to eighteenth support arms (13) are transferred from the first holding portions (11d) to the second holding portions (12c) so that the coil segments (4) are assembled to overlap with one another.

A motor includes: a shaft; a rotor; a first stator; and a second stator. The first stator includes: a plurality of first yoke parts; a plurality of first magnetic pole units; a coupling part coupling the plurality of first yoke parts in a circumferential direction; and a gap formed between the plurality of the first magnetic pole units adjacent in a circumferential direction. The second stator includes: a second yoke part; and a second magnetic pole unit, respectively. The second stator is disposed at the gap.

A manufacturing apparatus of an electrical rotating machine includes a coil segment shaping section for shaping a linear wire rod with a predetermined length into a coil segment with a predetermined shape consisting of a pair of slot insertion port ions extending substantially in parallel with each other and a linking portion for coupling the pair of slot insertion portions, and a coil assembling section for assembling a coil by circularly arranging the coil segments shaped in the coil segment shaping section. The coil segment shaping section and the coil assembling section are constituted to continuously perform the shaping and the assembling of the coil segment in each coil segment unit, based on control data set depending on a coil to be fabricated.

A method for producing the periphery of a rotor for a current-excited electric machine includes providing a rotor yoke, rotor poles formed separately from and mechanically connectable to the rotor yoke, and a coil carrier having a plurality of coil bodies and flexible connecting sections located between the coil bodies and by which the position of the coil bodies relative to one another is changeable. The coil carrier is brought into a production position by the flexible connecting sections and is equipped with an energizable winding by winding sections wound around the coil bodies. The rotor poles and the coil bodies are joined together to form pole coils. The coil carrier is transferred from the production position to an installation position by the flexible connecting sections, and the rotor poles, which are connected to the coil bodies of the coil carrier, are mechanically connected to the rotor yoke.

A method of making an electromagnetic coil for use in a high-temperature electromagnetic machine includes pre-coating magnet wire with a high-temperature insulation precursor to produce pre-coated magnet wire, winding, while applying in-situ a glass-ceramic slurry, the pre-coated magnet wire into a predetermined coil shape to produce a wet-wound green coil, and thermally processing the wet-wound green coil to produce a processed coil. In some instances, a second layer of a high-temperature insulation may be applied to the processed coil to produce a further insulated processed coil, and then thermally processing the further insulated processed coil to produce a further processed electromagnetic coil.