A distributed connection ring assembly can be used in a stator assembly and can integrate a neutral connector and jumping winding connections in an overmolded assembly for insulation. The stator assembly including a stator core defining a plurality of slots spaced apart from each other, a plurality of bar conductors disposed in each of the slots, and a distributed connection ring assembly secured to the jumping winding connections. The distributed connection ring assembly includes an overmolded neutral connector. The distributed connection ring assembly also includes a plurality of overmolded couplers circumferentially spaced apart from one another. The overmolded couplers are coupled to the overmolded neutral connector. Each of the plurality of overmolded couplers includes a support body and a plurality of stator conductors partially disposed inside the support body. The stator conductors are electrically connected to the jumping winding connections.

An assembly and a method for supporting generator stator end winding coils are presented. The assembly includes an outer support circumferentially disposed on outer side of bottom end winding coils and inner braces disposed on inner side of top end winding coils and circumferentially spaced apart from each other. At least one inner brace is disposed along an axial direction of the top end winding coils. Studs are radially oriented and threaded into the inner braces from the outer support. The studs are tensioned and retightenable to a required clamping force for supporting the end winding coils. Filler layers are disposed between the top end wind coils and bottom end wind coils for supporting the clamping force.

A stator for a rotating electrical machine includes a stator core, two insulators, and conductive wires forming coils. At least one of the insulators includes guide grooves and through-grooves. The through-grooves include at least two first grooves each of which divides at least two of the guide grooves. Each of the first grooves has a recess that is recessed in the circumferential direction with respect to the rest of the first groove at a portion that divides one of the at least two guide grooves divided by the first groove. The conductive wires extending through the corresponding through-grooves and outward in the radial direction of the insulator base are guided in the circumferential direction by the corresponding guide grooves. The conductive wires extend through the recesses in the corresponding first grooves.

An axial field rotary energy device can include a rotor comprising an axis of rotation and a magnet. In addition, a stator can be coaxial with the rotor. The stator can include a plurality of stator segments that are coupled together about the axis. Each stator segment can include a printed circuit board (PCB) having a PCB layer comprising a coil. Each stator segment also can include only one electrical phase. The stator itself can include one or more electrical phases.

A motor includes a rotation shaft, a magnet unit fixed to the rotation shaft to rotates with the rotation shaft, and a coil unit arranged to face the magnet unit in an axial direction. The magnet unit includes a magnet ring in which magnets are arranged in a circumferential direction of the rotation shaft, and a holding ring provided at an outer peripheral side of the magnet ring to hold the magnet ring. The holding ring includes a composite material in which a carbon fiber is impregnated with resin. The carbon fiber includes a pitch-based carbon fiber and a PAN-based carbon fiber. A volume ratio of the pitch-based carbon fiber is larger than that of the PAN-based carbon fiber in a portion at an outer peripheral side; a volume ratio of the PAN-based carbon fiber is larger than that of the pitch-based carbon fiber in a portion at an inner peripheral side.

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.

A wiring terminal and a motor including the wiring terminal are provided. The wiring terminal includes: a mounting subassembly adapted to embed in a slot of an end insulator of a motor, a connection subassembly configured to support a wire stock having a lead wire, and a winding subassembly configure to receive an enameled wire wound on the winding subassembly. The connection subassembly and the winding subassembly are disposed on the top surface of the mounting subassembly. The lead wire of the wire stock is electrically connected to the enameled wire wound on the winding subassembly.

An axial field rotary energy device can include a rotor comprising an axis of rotation and a magnet. In addition, a stator can be coaxial with the rotor. The stator can include a plurality of stator segments that are coupled together about the axis. Each stator segment can include a printed circuit board (PCB) having a PCB layer comprising a coil. Each stator segment also can include only one electrical phase. The stator itself can include one or more electrical phases.

Phase windings are configured radially inside first coil ends by connecting together tip portions of first terminals that are bent so as to extend outward from slots that are six slots apart, and radially outside the first coil ends by connecting together tip portions of second terminals that are bent so as to extend outward from slots that are five slots apart, and also connecting together tip portions of second terminals that are bent so as to extend outward from slots that are seven slots apart in modified positions of an inserted slot group, and by connecting together tip portions of second terminals that are bent so as to extend outward from slots that are six slots apart in regions other than the modified positions of the inserted slot group.

An axial field rotary energy device can include a housing having coupling structures configured to mechanically couple the housing to a second housing of a second module. In addition, the housing can include electrical elements configured to electrically couple the housing to the second housing. A rotor can be rotatably mounted to the housing. The rotor can include an axis and a magnet. A stator can be mounted to the housing coaxially with the rotor. The stator can include a printed circuit board (PCB) having a PCB layer comprising a coil.