A temperature sensor in a rotating electric machine is disposed or installed on a surface of a temperature detection object. The temperature detection object, i.e., an installation portion, has a thickness. The temperature sensor has an inner case housing a detector element. The inner case is made of resin. The inner case has a thickness. A temperature detecting device has an outer case housing the temperature sensor. The outer case is made of resin. A linear expansion coefficient of the outer case is, within a certain temperature range including a threshold temperature for a protection of the rotating electric machine, is smaller than an average of linear expansion coefficients of the installation portion and the inner case.

A rotary electric machine includes a multi-phase winding including magnetic poles circumferentially arranged in a circumferential direction. The multi-phase winding includes crossover wires. Each crossover wire connects two single coils functioning as two of the magnetic poles that are same in phase. The crossover wire includes an inter-pole crossover wire and an end crossover wire. The inter-pole crossover wire extends between one end and another end of the multi-phase winding in an axial direction of the multi-phase winding. The inter-pole crossover wire extends through an inter-pole gap between adjacent two of the magnetic poles. The end crossover wire extends in the circumferential direction on the other end of the multi-phase winding.

A generator assembly includes a screw rod, a shell and a multi-polar magnetic ring, wherein a first inner hub is installed in the shell, a protection ring is sleeved on the outside of the multi-polar magnetic ring, a stator rubber-coated power generation coil set is installed in the multi-polar magnetic ring, the screw rod passes through the first inner hub, the multi-polar magnetic ring, the protection ring, the stator rubber-coated power generation coil set and a second inner wheel hub in sequence, and the stator rubber-coated power generation coil set includes a first dentiform outer iron shell, a single-strand winding coil set, a second dentiform outer iron shell and a circuit board. Moreover, the single-strand winding coil set is used, and cutting power generation is performed by using the inner and outer dentiform motor shells, therefore the processing of the coil and the motor shells move simply.

A motor includes a rotor and a stator. The rotor is rotatably supported and includes a magnet. The stator is radially opposed to the rotor and includes a plurality of coils. Each of the coils is formed by winding an electrically-conductive conductor wire in a ring shape. The coils are arranged along a circumferential direction. Moreover, for each of the coils, the conductor wire forming the coil has a first end portion radially protruding from an inner peripheral portion of the coil and a second end portion radially protruding from an outer peripheral portion of the coil.

In a stator, coils of multiple phases are wound around a stator core via an insulator. A guide member is provided on one side of the stator core in the axial direction and guides the terminal line of the coil in the circumferential direction at a position overlapping the coil in the axial direction. The coils have coils of different systems connected to circuits of different systems. The guide member has a collecting portion that collects the terminal lines of the different systems at one place in the circumferential direction.

An electrical distribution member includes a plurality of electrical conducting wires made of a solid wire. The electrical conducting wires each include an electrical conducting body, and a coating layer provided over a surface of that electrical conducting body, while removed therefrom over a respective predetermined length including a joining portion. The electrical conducting wires include at least one first electrical conducting wire having a joining portion extending in an axial direction of a stator core, and at least one second electrical conducting wire having a joining portion bent in relation to a radial direction of the stator core in such a manner as to follow a circumferential direction of the stator core. The predetermined length of the second electrical conducting wire with the coating layer removed therefrom is longer than the predetermined length of the first electrical conducting wire with the coating layer removed therefrom.

A motor includes a rotor that includes a shaft located along a central axis, a stator that includes coils and opposes the rotor in a radial direction, and a lead wire support portion that is above the coil and supports lead wires extending from the coils. The lead wire support portion includes a guide portion through which the lead wires extend and which guides the lead wires to an upper side of the lead wire support portion in an axial direction. The guide portion includes a tubular insertion portion which opposes the coil and into which the lead wires are inserted and a tubular lead portion which is above the insertion portion and from which the lead wires inserted from the insertion portion are drawn out.

A motor includes a rotor that includes a shaft located along a central axis extending in a vertical direction, a stator that includes coils and opposes the rotor in a radial direction, a casing that supports the rotor and the stator, and a terminal attached to the casing and electrically connected to lead wires extending from the coils. The terminal includes a lead wire terminal portion extending in a direction intersecting an axial direction toward the lead wires, and an external terminal portion that is electrically connected to the lead wire terminal portion and extends in the axial direction toward the outside of the casing.

A rotor, in particular for a current-excited synchronous machine, is at least partly embedded in a potting compound. The rotor is equipped with at least one conductor element, which forms a winding and is connected to a current collecting element, wherein potting compound is provided at least between the current collecting element and the winding, and a connection section of the conductor element, the connection section extending between the winding and the current collecting element, is shielded from the potting compound by a decoupling element arranged at the connection section.

Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an insulator module coupled to a top face of a stator core. The insulator module includes: each power terminal unit connected to each of 3-phases power lead wires; a neutral terminal unit connected to a neutral point of a coil; and an insulator body for achieving insulations between the power and neutral terminal units and the stator core, and between the power and neutral terminal units, wherein the power terminal unit and the neutral terminal unit are positioned at different vertical levels.