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 winding method for an electric motor stator includes at a start of winding of the coil, a first step for forming a two-turn winding portion by winding a magnet wire upwardly around a pin for two turns; a second step, subsequent to the first step, for winding the magnet wire to cross the two-turn winding portion from an outside from an upper side to a lower side on a side surface of the pin opposite from the power supply terminal; and a third step, subsequent to the second step, for winding the magnet wire for a half turn above the two-turn winding portion and then guiding the magnet wire to the power supply terminal to be hooked on the bent back section.

A structure for assembling a temperature sensor of an annular terminal unit for a drive motor. The structure includes a terminal holder having an annular shape, a temperature sensor fixed to the terminal holder, a plurality of cores radially arranged on a lower surface of the terminal holder, a bobbin inserted into each of the plurality of cores, and a stator coil wound around each of the bobbins. The temperature sensor passes through the terminal holder in a vertical direction of the terminal holder and is inserted between the bobbins around which the stator coils are wound.

A shrouded bladed-rotor for use as a rotor of an electrical generator incorporates a plurality of blades and an annular magnetically-permeable yoke concentric with an associated axis of revolution. An even-numbered plurality of permanent magnets are operatively coupled to an outer surface of the annular magnetically-permeable rotor yoke, the latter of which comprises either a shroud of the shrouded bladed-rotor or a ring of magnetically-permeable material encircling the shroud. The North-South axis of each permanent magnet is substantially radially oriented with respect to the axis of rotation, and North-South orientations of every pair of circumferentially-adjacent permanent magnets of the plurality of permanent magnets are opposite to one another. A non-magnetic magnet-retaining-ring encircling the plurality of permanent magnets has sufficient hoop strength to retain the plurality of permanent magnets on the annular magnetically-permeable rotor yoke during intended operation of the electrical generator.

An e-machine is disclosed that comprises a stator, a terminal block, and a plurality of interface conductors. The stator is disposed inside a housing in a wet portion of the housing that contains transmission fluid. The terminal block is attached to the housing and is electrically connected to an inverter system controller of the e-machine. The terminal block is disposed in a dry portion of the housing that does not contain transmission fluid. The plurality of interface conductors each include a hollow conductive body, a stator lead lug on a first end connected to windings of the stator, and a busbar on a second end connected to the terminal block. A seal is assembled at an intermediate location in a groove on an outer surface of the hollow conductive body. A plug is assembled inside the hollow conductive body.

Disclosed herein is a motor including a power connector capable of preventing current leakage to the outer case and structural interference with the outer case. The motor includes a stator provided with an insulator, a rotor configured to be rotated against the stator, a power connection portion provided in the insulator, and configured to support an end of a coil wound around the stator and configured to accommodate a mag-mate terminal, and a power connector coupled to the power connection portion to connect an external power source to the coil, wherein the power connector includes a lead wire, a fork terminal coupled to an end of the lead wire to electrically connect the lead wire to the coil and a housing configured to accommodate the end of the lead wire and the fork terminal and coupled to the power connection portion.

The purpose of the present invention is to ensure reliability and installation space reduction of crossover wires of an axial gap type rotary electric machine. An axial gap type rotary electric machine having: a stator which is constructed by annularly arranging multiple core units about an axis of rotation, each of the core units having at least a core, windings disposed around the outer periphery of the core, and crossover wires leading out from the windings; at least one rotor which faces an axial end surface of the cores with a gap therebetween; and a rotary shaft which rotates along with the rotor. The axial end surface side and the outer diameter side of the stator, is provided with multiple wiring support sections, each having an arc-shaped base part extending in a rotational direction along the annular shape of the outer diameter side of the stator, wherein the base part has a length extending over the outer diameter-side end surfaces of two or more adjoining core units and a predetermined axial width, and is equipped with multiple axial grooves for guiding the crossover wires in the rotational direction which are disposed on the opposite surface of the base from the rotary shaft. The rotary electric machine has a molding resin for integrally molding the wiring support sections with the stator.

An electric machine including a rotor and a stator positioned about the rotor. The stator includes a stator core having a plurality of stator teeth and a plurality of stator windings supported by the stator core about the plurality of stator teeth. The plurality of stator windings include a first end turn and a second end turn. The stator includes a plurality of interlocking insulators extending about corresponding ones of the plurality of stator teeth. Each of the plurality of interlocking insulators includes a first base portion extending circumferentially outwardly in a first direction and a second base portion extending circumferentially outwardly in a second direction. The first base portion being configured to inter-engage with a second base portion on an adjacent interlocking insulator to form a coolant passage and a coolant barrier about the air gap.

A motor apparatus includes a multi-lane permanent magnet synchronous motor having at least two sets of phase windings, and a control circuit. The control circuit selectively connects a first direct current power source to the motor phase windings of a first set of the motor phasing windings to form a first lane. The control circuit may also selectively connect a second direct current power source to the motor phase windings of a second set of the motor phasing windings to form a second lane. The control circuit may cause current to flow in the motor that meets a current demand from a current demand circuit. During at least one mode of operation, the control circuit may apply waveforms to a motor phase winding which causes an actively controlled transfer of energy from the first direct current source of the first lane into a component of the second lane.

An e-machine is disclosed that comprises a stator, a terminal block, and a plurality of interface conductors. The stator is disposed inside a housing in a wet portion of the housing that contains transmission fluid. The terminal block is attached to the housing and is electrically connected to an inverter system controller of the e-machine. The terminal block is disposed in a dry portion of the housing that does not contain transmission fluid. The plurality of interface conductors each include a hollow conductive body, a stator lead lug on a first end connected to windings of the stator, and a busbar on a second end connected to the terminal block. A seal is assembled at an intermediate location in a groove on an outer surface of the hollow conductive body. A plug is assembled inside the hollow conductive body.